syzkaller login: [ 521.224394][ T31] kauditd_printk_skb: 8 callbacks suppressed [ 521.224771][ T31] audit: type=1400 audit(521.160:58): avc: denied { read write } for pid=3092 comm="sftp-server" name="null" dev="devtmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 521.239944][ T31] audit: type=1400 audit(521.170:59): avc: denied { open } for pid=3092 comm="sftp-server" path="/dev/null" dev="devtmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 Warning: Permanently added '[localhost]:3176' (ED25519) to the list of known hosts. [ 555.694213][ T31] audit: type=1400 audit(555.620:60): avc: denied { execute } for pid=3110 comm="sh" name="syz-executor3540013812" dev="vda" ino=807 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 555.701377][ T31] audit: type=1400 audit(555.640:61): avc: denied { execute_no_trans } for pid=3110 comm="sh" path="/syz-executor3540013812" dev="vda" ino=807 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 556.175605][ T31] audit: type=1400 audit(556.110:62): avc: denied { execmem } for pid=3110 comm="syz-executor354" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 556.290992][ T31] audit: type=1400 audit(556.230:63): avc: denied { prog_load } for pid=3111 comm="syz-executor354" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 556.291963][ T31] audit: type=1400 audit(556.230:64): avc: denied { bpf } for pid=3111 comm="syz-executor354" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 556.293801][ T31] audit: type=1400 audit(556.230:65): avc: denied { perfmon } for pid=3111 comm="syz-executor354" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 executing program [ 556.369262][ T31] audit: type=1400 audit(556.300:66): avc: denied { prog_run } for pid=3111 comm="syz-executor354" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 911.307413][ C0] hrtimer: interrupt took 35382224 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1324.060538][ T32] INFO: task kworker/1:1:52 blocked for more than 450 seconds. [ 1324.061132][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.061352][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.061535][ T32] task:kworker/1:1 state:D stack:0 pid:52 tgid:52 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.061875][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.062768][ T32] Call trace: [ 1324.063049][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.063307][ T32] r10:8291a684 r9:df935d84 r8:00000002 r7:60000013 r6:df935d8c r5:833e3c00 [ 1324.063387][ T32] r4:833e3c00 [ 1324.063514][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.063581][ T32] r5:833e3c00 r4:8291a680 [ 1324.063607][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.063653][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.063699][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df935e08 [ 1324.063723][ T32] r4:00000000 [ 1324.063744][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.063786][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.064279][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.064424][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fb340 [ 1324.064537][ T32] r4:00000000 [ 1324.064623][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.064789][ T32] r9:83018205 r8:833e3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f08d000 [ 1324.064843][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.065547][ T32] r5:00001000 r4:ebabb000 [ 1324.065621][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.065722][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.065792][ T32] r5:856feb8c r4:856fe800 [ 1324.065906][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.066446][ T32] r7:ddde2d80 r6:83018200 r5:856feb8c r4:832a0a00 [ 1324.066518][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.066636][ T32] r10:61c88647 r9:833e3c00 r8:832a0a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.066694][ T32] r4:832a0a00 [ 1324.066747][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.066854][ T32] r10:00000000 r9:832a0a00 r8:80287e08 r7:df879e60 r6:8336db80 r5:833e3c00 [ 1324.066909][ T32] r4:00000001 [ 1324.066950][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.067115][ T32] Exception stack(0xdf935fb0 to 0xdf935ff8) [ 1324.067263][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.067339][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.067422][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.067514][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.067592][ T32] r4:832a1bc0 [ 1324.068334][ T32] INFO: task kworker/1:1:52 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.068418][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.068643][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.068707][ T32] Call trace: [ 1324.068800][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.068862][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.068887][ T32] r4:00000000 [ 1324.068909][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.068953][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.068984][ T32] dd20: 969c6000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.069042][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.069100][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.069154][ T32] r5:800d0013 r4:80239bb0 [ 1324.069182][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.069231][ T32] r4:82ac21e4 [ 1324.069253][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.079887][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.079987][ T32] r4:e044ddc0 [ 1324.080016][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.080090][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.080116][ T32] r4:00000000 [ 1324.080137][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.080220][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.080250][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.080351][ T32] r5:00001000 r4:dfe3d000 [ 1324.080392][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.080472][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.080554][ T32] r5:84a2438c r4:84a24000 [ 1324.080578][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.080635][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.080695][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.080754][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.080821][ T32] r4:84ab5800 [ 1324.080869][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.081036][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.081081][ T32] r4:00000001 [ 1324.081108][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.081154][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.081188][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.081221][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.081252][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.081285][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.081343][ T32] r4:84ab0640 [ 1324.081774][ T32] INFO: task kworker/1:2:2885 blocked for more than 450 seconds. [ 1324.081875][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.081930][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.081979][ T32] task:kworker/1:2 state:D stack:0 pid:2885 tgid:2885 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.082115][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.082238][ T32] Call trace: [ 1324.082321][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.082449][ T32] r10:8291a684 r9:ebce9d84 r8:00000002 r7:60000113 r6:ebce9d8c r5:846da400 [ 1324.082503][ T32] r4:846da400 [ 1324.082551][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.082656][ T32] r5:846da400 r4:8291a680 [ 1324.082705][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.082794][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.082887][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebce9e08 [ 1324.082939][ T32] r4:00000000 [ 1324.082986][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.083066][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.083161][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.083257][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fbb00 [ 1324.083310][ T32] r4:00000000 [ 1324.083356][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.083466][ T32] r9:83018205 r8:846da400 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 [ 1324.083528][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.083648][ T32] r5:00001000 r4:ebca9000 [ 1324.083677][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.083723][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.083770][ T32] r5:856ffb8c r4:856ff800 [ 1324.083792][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.083880][ T32] r7:ddde2d80 r6:83018200 r5:856ffb8c r4:8473da00 [ 1324.083906][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.083958][ T32] r10:61c88647 r9:846da400 r8:8473da2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.083982][ T32] r4:8473da00 [ 1324.084064][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.084120][ T32] r10:00000000 r9:8473da00 r8:80287e08 r7:df879e60 r6:844d1400 r5:846da400 [ 1324.084145][ T32] r4:00000001 [ 1324.084188][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.084301][ T32] Exception stack(0xebce9fb0 to 0xebce9ff8) [ 1324.084369][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.084415][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.084444][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.084529][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.084580][ T32] r4:8472fe00 [ 1324.085153][ T32] INFO: task kworker/1:2:2885 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.085239][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.085425][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.085588][ T32] Call trace: [ 1324.085746][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.085862][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.085907][ T32] r4:00000000 [ 1324.085930][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.085999][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.086061][ T32] dd20: 96f09000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.086122][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.086156][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.086182][ T32] r5:800d0013 r4:80239bb0 [ 1324.086223][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.086310][ T32] r4:82ac21e4 [ 1324.086369][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.086494][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.086550][ T32] r4:e044ddc0 [ 1324.086595][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.086702][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.086758][ T32] r4:00000000 [ 1324.086810][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.086931][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.086984][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.087076][ T32] r5:00001000 r4:dfe3d000 [ 1324.087123][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.087218][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.087333][ T32] r5:84a2438c r4:84a24000 [ 1324.087401][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.087508][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.087598][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.087720][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.087773][ T32] r4:84ab5800 [ 1324.087826][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.087932][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.087987][ T32] r4:00000001 [ 1324.088030][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.088191][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.088314][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.088395][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.088458][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.088550][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.088604][ T32] r4:84ab0640 [ 1324.088729][ T32] INFO: task kworker/0:4:3118 blocked for more than 450 seconds. [ 1324.088822][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.088883][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.088944][ T32] task:kworker/0:4 state:D stack:0 pid:3118 tgid:3118 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.089061][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.089160][ T32] Call trace: [ 1324.089234][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.100208][ T32] r10:8291a684 r9:df9b5d84 r8:00000002 r7:60000113 r6:df9b5d8c r5:83bc8000 [ 1324.100306][ T32] r4:83bc8000 [ 1324.100353][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.100443][ T32] r5:83bc8000 r4:8291a680 [ 1324.100467][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.100601][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.100663][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9b5e08 [ 1324.100690][ T32] r4:00000000 [ 1324.100737][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.100780][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.100847][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.100939][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8462bc40 [ 1324.100971][ T32] r4:00000000 [ 1324.101021][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.101108][ T32] r9:83018005 r8:83bc8000 r7:00000000 r6:83018000 r5:00001000 r4:7f089000 [ 1324.101161][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.101250][ T32] r5:00001000 r4:dff45000 [ 1324.101303][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.101430][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.101541][ T32] r5:84b94b8c r4:84b94800 [ 1324.101595][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.101703][ T32] r7:dddced80 r6:83018000 r5:84b94b8c r4:8456ae00 [ 1324.101755][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.101871][ T32] r10:61c88647 r9:83bc8000 r8:8456ae2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.101939][ T32] r4:8456ae00 [ 1324.101999][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.102103][ T32] r10:00000000 r9:8456ae00 r8:80287e08 r7:eb061e60 r6:8456ab80 r5:83bc8000 [ 1324.102154][ T32] r4:00000001 [ 1324.102221][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.102276][ T32] Exception stack(0xdf9b5fb0 to 0xdf9b5ff8) [ 1324.102311][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.102342][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.102512][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.102594][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.102705][ T32] r4:848c2500 [ 1324.103769][ T32] INFO: task kworker/0:4:3118 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.103859][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.104227][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.104335][ T32] Call trace: [ 1324.104418][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.104566][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.104621][ T32] r4:00000000 [ 1324.104710][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.104808][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.104874][ T32] dd20: 9735d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.104938][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.104996][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.105131][ T32] r5:800d0013 r4:80239bb0 [ 1324.105190][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.105283][ T32] r4:82ac21e4 [ 1324.105330][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.105430][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.105672][ T32] r4:e044ddc0 [ 1324.105793][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.106114][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.106175][ T32] r4:00000000 [ 1324.106223][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.106324][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.106376][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.106543][ T32] r5:00001000 r4:dfe3d000 [ 1324.106597][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.106692][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.106789][ T32] r5:84a2438c r4:84a24000 [ 1324.106835][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.106938][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.106990][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.107301][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.107617][ T32] r4:84ab5800 [ 1324.107865][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.107977][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.108108][ T32] r4:00000001 [ 1324.108162][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.108245][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.108767][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.108846][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.109109][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.109184][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.109241][ T32] r4:84ab0640 [ 1324.109420][ T32] INFO: task kworker/0:5:3121 blocked for more than 450 seconds. [ 1324.120185][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.120281][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.120335][ T32] task:kworker/0:5 state:D stack:0 pid:3121 tgid:3121 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.120485][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.120663][ T32] Call trace: [ 1324.120852][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.121004][ T32] r10:8291a684 r9:df9bdd84 r8:00000002 r7:60000113 r6:df9bdd8c r5:83bcec00 [ 1324.121066][ T32] r4:83bcec00 [ 1324.121116][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.121213][ T32] r5:83bcec00 r4:8291a680 [ 1324.121263][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.121352][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.121457][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9bde08 [ 1324.121508][ T32] r4:00000000 [ 1324.121554][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.121631][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.121718][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.121900][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848c26c0 [ 1324.121964][ T32] r4:00000000 [ 1324.122038][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.122147][ T32] r9:83018005 r8:83bcec00 r7:00000000 r6:83018000 r5:00001000 r4:7f03b000 [ 1324.122205][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.122301][ T32] r5:00001000 r4:dfe05000 [ 1324.122349][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.122448][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.122537][ T32] r5:84b9538c r4:84b95000 [ 1324.122585][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.122706][ T32] r7:dddced80 r6:83018000 r5:84b9538c r4:8456af00 [ 1324.122762][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.122884][ T32] r10:61c88647 r9:83bcec00 r8:8456af2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.122943][ T32] r4:8456af00 [ 1324.122990][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.123098][ T32] r10:00000000 r9:8456af00 r8:80287e08 r7:df9b5e60 r6:8456ae80 r5:83bcec00 [ 1324.123256][ T32] r4:00000001 [ 1324.123343][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.123552][ T32] Exception stack(0xdf9bdfb0 to 0xdf9bdff8) [ 1324.123625][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.123696][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.123758][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.123914][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.123971][ T32] r4:848c2600 [ 1324.125296][ T32] INFO: task kworker/0:5:3121 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.125396][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.125779][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.125969][ T32] Call trace: [ 1324.126048][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.126168][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.126228][ T32] r4:00000000 [ 1324.126276][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.126418][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.126493][ T32] dd20: 9766f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.126633][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.126830][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.126909][ T32] r5:800d0013 r4:80239bb0 [ 1324.126968][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.127103][ T32] r4:82ac21e4 [ 1324.127160][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.127257][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.127308][ T32] r4:e044ddc0 [ 1324.127354][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.127458][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.127508][ T32] r4:00000000 [ 1324.127553][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.127674][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.127798][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.127971][ T32] r5:00001000 r4:dfe3d000 [ 1324.128027][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.128155][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.128471][ T32] r5:84a2438c r4:84a24000 [ 1324.128546][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.128660][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.128712][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.128840][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.128901][ T32] r4:84ab5800 [ 1324.128945][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.129048][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.129098][ T32] r4:00000001 [ 1324.129143][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.129222][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.129414][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.140783][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.141190][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.141306][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.141362][ T32] r4:84ab0640 [ 1324.141440][ T32] INFO: task kworker/0:6:3122 blocked for more than 450 seconds. [ 1324.141545][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.141607][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.141670][ T32] task:kworker/0:6 state:D stack:0 pid:3122 tgid:3122 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.141807][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.141949][ T32] Call trace: [ 1324.142022][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.142145][ T32] r10:8291a684 r9:df9d9d84 r8:00000002 r7:60000113 r6:df9d9d8c r5:8325d400 [ 1324.142195][ T32] r4:8325d400 [ 1324.142243][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.142338][ T32] r5:8325d400 r4:8291a680 [ 1324.142384][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.142472][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.142568][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9d9e08 [ 1324.142618][ T32] r4:00000000 [ 1324.142671][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.142751][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.142832][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.142924][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850ab580 [ 1324.142976][ T32] r4:00000000 [ 1324.143023][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.143124][ T32] r9:83018005 r8:8325d400 r7:00000000 r6:83018000 r5:00001000 r4:7f00f000 [ 1324.143172][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.143265][ T32] r5:00001000 r4:df977000 [ 1324.143311][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.143400][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.143498][ T32] r5:841d938c r4:841d9000 [ 1324.143546][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.143661][ T32] r7:dddced80 r6:83018000 r5:841d938c r4:8473a980 [ 1324.143709][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.143810][ T32] r10:61c88647 r9:8325d400 r8:8473a9ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.143864][ T32] r4:8473a980 [ 1324.143909][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.144009][ T32] r10:00000000 r9:8473a980 r8:80287e08 r7:df9bde60 r6:8473d700 r5:8325d400 [ 1324.144060][ T32] r4:00000001 [ 1324.144104][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.144189][ T32] Exception stack(0xdf9d9fb0 to 0xdf9d9ff8) [ 1324.144250][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.144315][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.144375][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.144439][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.144490][ T32] r4:848c2600 [ 1324.145329][ T32] INFO: task kworker/0:6:3122 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.145412][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.145541][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.145694][ T32] Call trace: [ 1324.145917][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.146037][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.146094][ T32] r4:00000000 [ 1324.146140][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.146299][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.146369][ T32] dd20: 97974000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.146442][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.146504][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.146560][ T32] r5:800d0013 r4:80239bb0 [ 1324.146605][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.146706][ T32] r4:82ac21e4 [ 1324.146829][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.146960][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.147043][ T32] r4:e044ddc0 [ 1324.147095][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.147244][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.147351][ T32] r4:00000000 [ 1324.147404][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.147724][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.147785][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.147884][ T32] r5:00001000 r4:dfe3d000 [ 1324.147931][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.148019][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.148111][ T32] r5:84a2438c r4:84a24000 [ 1324.148177][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.148284][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.148337][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.148446][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.148498][ T32] r4:84ab5800 [ 1324.148571][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.148687][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.148738][ T32] r4:00000001 [ 1324.148785][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.148866][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.149075][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.149175][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.149241][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.149430][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.160406][ T32] r4:84ab0640 [ 1324.160567][ T32] INFO: task kworker/1:3:3124 blocked for more than 450 seconds. [ 1324.160693][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.160790][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.160853][ T32] task:kworker/1:3 state:D stack:0 pid:3124 tgid:3124 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.160989][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.161135][ T32] Call trace: [ 1324.161302][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.161438][ T32] r10:8291a684 r9:df9f1d84 r8:00000002 r7:60000113 r6:df9f1d8c r5:84281800 [ 1324.161654][ T32] r4:84281800 [ 1324.161770][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.161878][ T32] r5:84281800 r4:8291a680 [ 1324.161928][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.162133][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.162340][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9f1e08 [ 1324.162468][ T32] r4:00000000 [ 1324.162524][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.162651][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.162744][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.162839][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fb5c0 [ 1324.162894][ T32] r4:00000000 [ 1324.162942][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.163046][ T32] r9:83018205 r8:84281800 r7:00000000 r6:83018200 r5:00001000 r4:7f08b000 [ 1324.163096][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.163206][ T32] r5:00001000 r4:eb9a1000 [ 1324.163293][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.163420][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.163526][ T32] r5:856fe78c r4:856fe400 [ 1324.163852][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.163969][ T32] r7:ddde2d80 r6:83018200 r5:856fe78c r4:849d2380 [ 1324.164025][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.164134][ T32] r10:61c88647 r9:84281800 r8:849d23ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.164193][ T32] r4:849d2380 [ 1324.164241][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.164522][ T32] r10:00000000 r9:849d2380 r8:80287e08 r7:df935e60 r6:849d2400 r5:84281800 [ 1324.164646][ T32] r4:00000001 [ 1324.164701][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.164788][ T32] Exception stack(0xdf9f1fb0 to 0xdf9f1ff8) [ 1324.164930][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1324.165036][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.165105][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.165206][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.165262][ T32] r4:8457b880 [ 1324.166199][ T32] INFO: task kworker/1:3:3124 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.166288][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.166591][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.166782][ T32] Call trace: [ 1324.167102][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.167546][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.167610][ T32] r4:00000000 [ 1324.167664][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.167757][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.167881][ T32] dd20: 97c43000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.168077][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.168151][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.168206][ T32] r5:800d0013 r4:80239bb0 [ 1324.168453][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.168578][ T32] r4:82ac21e4 [ 1324.168629][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.168741][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.168873][ T32] r4:e044ddc0 [ 1324.168984][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.169105][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.169160][ T32] r4:00000000 [ 1324.169207][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.180230][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.180407][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.180668][ T32] r5:00001000 r4:dfe3d000 [ 1324.180783][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.180885][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.180986][ T32] r5:84a2438c r4:84a24000 [ 1324.181059][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.181172][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.181222][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.181330][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.181385][ T32] r4:84ab5800 [ 1324.181434][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.181542][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.181593][ T32] r4:00000001 [ 1324.181688][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.181782][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.181851][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.181917][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.181979][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.182083][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.182144][ T32] r4:84ab0640 [ 1324.182560][ T32] INFO: task kworker/0:7:3125 blocked for more than 450 seconds. [ 1324.182668][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.182729][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.182932][ T32] task:kworker/0:7 state:D stack:0 pid:3125 tgid:3125 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.183156][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.183270][ T32] Call trace: [ 1324.183348][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.183469][ T32] r10:8291a684 r9:df9f5d84 r8:00000002 r7:60000113 r6:df9f5d8c r5:838bb000 [ 1324.183528][ T32] r4:838bb000 [ 1324.183574][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.183683][ T32] r5:838bb000 r4:8291a680 [ 1324.183739][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.183833][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.183938][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9f5e08 [ 1324.184080][ T32] r4:00000000 [ 1324.184135][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.184216][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.184299][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.184420][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85074900 [ 1324.184571][ T32] r4:00000000 [ 1324.184638][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.184748][ T32] r9:83018005 r8:838bb000 r7:00000000 r6:83018000 r5:00001000 r4:7f065000 [ 1324.184800][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.184900][ T32] r5:00001000 r4:dfb5d000 [ 1324.184945][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.185041][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.185171][ T32] r5:84b9678c r4:84b96400 [ 1324.185223][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.185329][ T32] r7:dddced80 r6:83018000 r5:84b9678c r4:83357200 [ 1324.185463][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.185581][ T32] r10:61c88647 r9:838bb000 r8:8335722c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.185642][ T32] r4:83357200 [ 1324.185689][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.185796][ T32] r10:00000000 r9:83357200 r8:80287e08 r7:df9d9e60 r6:849d2480 r5:838bb000 [ 1324.185855][ T32] r4:00000001 [ 1324.185902][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.186456][ T32] Exception stack(0xdf9f5fb0 to 0xdf9f5ff8) [ 1324.186553][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.186621][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.186760][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.186873][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.187092][ T32] r4:848c2980 [ 1324.188005][ T32] INFO: task kworker/0:7:3125 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.188089][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.188226][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.188377][ T32] Call trace: [ 1324.188529][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.188668][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.188724][ T32] r4:00000000 [ 1324.188769][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.188959][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.189045][ T32] dd20: 97f1d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.189116][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.189279][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.189370][ T32] r5:800d0013 r4:80239bb0 [ 1324.189486][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.201009][ T32] r4:82ac21e4 [ 1324.201221][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.201375][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.201434][ T32] r4:e044ddc0 [ 1324.201490][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.201596][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.201710][ T32] r4:00000000 [ 1324.201885][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.202001][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.202054][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.202161][ T32] r5:00001000 r4:dfe3d000 [ 1324.202294][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.202396][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.202522][ T32] r5:84a2438c r4:84a24000 [ 1324.202661][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.202789][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.203059][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.203165][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.203222][ T32] r4:84ab5800 [ 1324.203272][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.203410][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.203498][ T32] r4:00000001 [ 1324.203551][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.203645][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.203822][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.203967][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.204130][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.204310][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.204389][ T32] r4:84ab0640 [ 1324.204570][ T32] INFO: task kworker/0:8:3128 blocked for more than 450 seconds. [ 1324.204704][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.204826][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.204887][ T32] task:kworker/0:8 state:D stack:0 pid:3128 tgid:3128 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.205079][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.205190][ T32] Call trace: [ 1324.205288][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.205428][ T32] r10:8291a684 r9:dfa11d84 r8:00000002 r7:60000113 r6:dfa11d8c r5:83243c00 [ 1324.205486][ T32] r4:83243c00 [ 1324.205532][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.205645][ T32] r5:83243c00 r4:8291a680 [ 1324.205698][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.205786][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.205887][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa11e08 [ 1324.205943][ T32] r4:00000000 [ 1324.205989][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.206067][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.206145][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.206384][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8538aa00 [ 1324.206452][ T32] r4:00000000 [ 1324.206502][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.206760][ T32] r9:83018005 r8:83243c00 r7:00000000 r6:83018000 r5:00001000 r4:7f077000 [ 1324.206822][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.206927][ T32] r5:00001000 r4:e059f000 [ 1324.206975][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.207065][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.207199][ T32] r5:85101f8c r4:85101c00 [ 1324.207252][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.207356][ T32] r7:dddced80 r6:83018000 r5:85101f8c r4:83357100 [ 1324.207406][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.207547][ T32] r10:61c88647 r9:83243c00 r8:8335712c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.207846][ T32] r4:83357100 [ 1324.207903][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.208009][ T32] r10:00000000 r9:83357100 r8:80287e08 r7:df9d9e60 r6:849d2500 r5:83243c00 [ 1324.208190][ T32] r4:00000001 [ 1324.208246][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.208333][ T32] Exception stack(0xdfa11fb0 to 0xdfa11ff8) [ 1324.208454][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1324.208565][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.208654][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.208767][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.209116][ T32] r4:848c29c0 [ 1324.220756][ T32] INFO: task kworker/0:8:3128 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.220976][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.221695][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.221857][ T32] Call trace: [ 1324.222168][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.222378][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.222444][ T32] r4:00000000 [ 1324.222496][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.222597][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.222818][ T32] dd20: 984f0000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.223086][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.223223][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.223289][ T32] r5:800d0013 r4:80239bb0 [ 1324.223441][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.223552][ T32] r4:82ac21e4 [ 1324.223681][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.223883][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.223943][ T32] r4:e044ddc0 [ 1324.223992][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.224088][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.224140][ T32] r4:00000000 [ 1324.224226][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.224346][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.224529][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.224656][ T32] r5:00001000 r4:dfe3d000 [ 1324.224806][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.225336][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.225444][ T32] r5:84a2438c r4:84a24000 [ 1324.225495][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.225674][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.225735][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.225843][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.225894][ T32] r4:84ab5800 [ 1324.225961][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.226118][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.226180][ T32] r4:00000001 [ 1324.226373][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.226465][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.226676][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.226753][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.226859][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.227008][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.227066][ T32] r4:84ab0640 [ 1324.227139][ T32] INFO: task kworker/0:9:3129 blocked for more than 450 seconds. [ 1324.227217][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.227274][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.227324][ T32] task:kworker/0:9 state:D stack:0 pid:3129 tgid:3129 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.227434][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.227623][ T32] Call trace: [ 1324.227811][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.227928][ T32] r10:8291a684 r9:dfa15d84 r8:00000002 r7:60000113 r6:dfa15d8c r5:84283c00 [ 1324.228045][ T32] r4:84283c00 [ 1324.228358][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.228541][ T32] r5:84283c00 r4:8291a680 [ 1324.228606][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.228713][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.228806][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa15e08 [ 1324.228865][ T32] r4:00000000 [ 1324.228913][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.228996][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.229075][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.229165][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850b9040 [ 1324.229217][ T32] r4:00000000 [ 1324.229365][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.271388][ T32] r9:83018005 r8:84283c00 r7:00000000 r6:83018000 r5:00001000 r4:7f029000 [ 1324.271744][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.271907][ T32] r5:00001000 r4:df96f000 [ 1324.271959][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.272057][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.272179][ T32] r5:850e2b8c r4:850e2800 [ 1324.272271][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.272400][ T32] r7:dddced80 r6:83018000 r5:850e2b8c r4:830cc100 [ 1324.272540][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.272724][ T32] r10:61c88647 r9:84283c00 r8:830cc12c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.272786][ T32] r4:830cc100 [ 1324.273003][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.273591][ T32] r10:00000000 r9:830cc100 r8:80287e08 r7:dfa11e60 r6:849d2580 r5:84283c00 [ 1324.273656][ T32] r4:00000001 [ 1324.274165][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.274268][ T32] Exception stack(0xdfa15fb0 to 0xdfa15ff8) [ 1324.274343][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.274721][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.274810][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.274883][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.274938][ T32] r4:848c29c0 [ 1324.275845][ T32] INFO: task kworker/0:9:3129 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.275936][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.276211][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.276597][ T32] Call trace: [ 1324.276776][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.276899][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.276954][ T32] r4:00000000 [ 1324.277019][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.277208][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.277288][ T32] dd20: 98a33000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.277359][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.277559][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.277624][ T32] r5:800d0013 r4:80239bb0 [ 1324.277844][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.277947][ T32] r4:82ac21e4 [ 1324.278340][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.278543][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.278605][ T32] r4:e044ddc0 [ 1324.278723][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.279099][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.279161][ T32] r4:00000000 [ 1324.279209][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.309808][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.309933][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.310024][ T32] r5:00001000 r4:dfe3d000 [ 1324.310049][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.310112][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.310190][ T32] r5:84a2438c r4:84a24000 [ 1324.310218][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.310277][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.310303][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.310361][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.310395][ T32] r4:84ab5800 [ 1324.310419][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.310500][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.310530][ T32] r4:00000001 [ 1324.310581][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.310630][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.310667][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.310701][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.310733][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.310768][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.310818][ T32] r4:84ab0640 [ 1324.310893][ T32] INFO: task kworker/0:10:3131 blocked for more than 450 seconds. [ 1324.310938][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.310968][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.310997][ T32] task:kworker/0:10 state:D stack:0 pid:3131 tgid:3131 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.311066][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.311152][ T32] Call trace: [ 1324.311200][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.311267][ T32] r10:8291a684 r9:dfa29d84 r8:00000002 r7:60000113 r6:dfa29d8c r5:833f9800 [ 1324.311342][ T32] r4:833f9800 [ 1324.311396][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.311452][ T32] r5:833f9800 r4:8291a680 [ 1324.311486][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.311551][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.311607][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa29e08 [ 1324.311634][ T32] r4:00000000 [ 1324.311657][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.311718][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.311787][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.311881][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85249880 [ 1324.311934][ T32] r4:00000000 [ 1324.311959][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.312035][ T32] r9:83018005 r8:833f9800 r7:00000000 r6:83018000 r5:00001000 r4:7f0ab000 [ 1324.312086][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.312170][ T32] r5:00001000 r4:eaa2f000 [ 1324.312200][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.312244][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.312289][ T32] r5:850e3f8c r4:850e3c00 [ 1324.312335][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.312422][ T32] r7:dddced80 r6:83018000 r5:850e3f8c r4:830cc080 [ 1324.312477][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.312581][ T32] r10:61c88647 r9:833f9800 r8:830cc0ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.312607][ T32] r4:830cc080 [ 1324.312646][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.312702][ T32] r10:00000000 r9:830cc080 r8:80287e08 r7:dfa11e60 r6:849d2600 r5:833f9800 [ 1324.312727][ T32] r4:00000001 [ 1324.312810][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.312878][ T32] Exception stack(0xdfa29fb0 to 0xdfa29ff8) [ 1324.312911][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.312963][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.312995][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.313026][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.313074][ T32] r4:848c2d40 [ 1324.313725][ T32] INFO: task kworker/0:10:3131 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.313812][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.313949][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.314048][ T32] Call trace: [ 1324.314176][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.314309][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.314394][ T32] r4:00000000 [ 1324.314449][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.314533][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.314609][ T32] dd20: 98edc000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.314681][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.314736][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.314786][ T32] r5:800d0013 r4:80239bb0 [ 1324.314859][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.314958][ T32] r4:82ac21e4 [ 1324.315008][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.315138][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.315202][ T32] r4:e044ddc0 [ 1324.315250][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.315345][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.315439][ T32] r4:00000000 [ 1324.315506][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.315616][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.315673][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.315790][ T32] r5:00001000 r4:dfe3d000 [ 1324.315910][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.316037][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.316142][ T32] r5:84a2438c r4:84a24000 [ 1324.316196][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.316302][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.316352][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.316475][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.316565][ T32] r4:84ab5800 [ 1324.316613][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.316721][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.316771][ T32] r4:00000001 [ 1324.316841][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.316957][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.317037][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.317104][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.317141][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.317173][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.317239][ T32] r4:84ab0640 [ 1324.317324][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.317446][ T32] INFO: task kworker/0:11:3133 blocked for more than 450 seconds. [ 1324.317488][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.317540][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.317567][ T32] task:kworker/0:11 state:D stack:0 pid:3133 tgid:3133 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.317622][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.317748][ T32] Call trace: [ 1324.317834][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.317918][ T32] r10:8291a684 r9:dfa35d84 r8:00000002 r7:60000113 r6:dfa35d8c r5:833fa400 [ 1324.317973][ T32] r4:833fa400 [ 1324.317998][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.318047][ T32] r5:833fa400 r4:8291a680 [ 1324.318069][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.318111][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.318156][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa35e08 [ 1324.318191][ T32] r4:00000000 [ 1324.318215][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.318277][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.318351][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.318430][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85267c80 [ 1324.318460][ T32] r4:00000000 [ 1324.318506][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.318558][ T32] r9:83018005 r8:833fa400 r7:00000000 r6:83018000 r5:00001000 r4:7f08d000 [ 1324.318581][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.318626][ T32] r5:00001000 r4:ea8cb000 [ 1324.318678][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.318725][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.318769][ T32] r5:841d978c r4:841d9400 [ 1324.318815][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.318869][ T32] r7:dddced80 r6:83018000 r5:841d978c r4:830cc400 [ 1324.318891][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.318966][ T32] r10:61c88647 r9:833fa400 r8:830cc42c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.319038][ T32] r4:830cc400 [ 1324.319097][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.319149][ T32] r10:00000000 r9:830cc400 r8:80287e08 r7:dfa11e60 r6:849d2680 r5:833fa400 [ 1324.319282][ T32] r4:00000001 [ 1324.350689][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.350880][ T32] Exception stack(0xdfa35fb0 to 0xdfa35ff8) [ 1324.350986][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.351142][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.351212][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.351304][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.351370][ T32] r4:848c2dc0 [ 1324.352172][ T32] INFO: task kworker/0:11:3133 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.352263][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.352576][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.352707][ T32] Call trace: [ 1324.352785][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.352903][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.352961][ T32] r4:00000000 [ 1324.353045][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.353136][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.353195][ T32] dd20: 990cc000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.353257][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.353313][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.353369][ T32] r5:800d0013 r4:80239bb0 [ 1324.353435][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.353529][ T32] r4:82ac21e4 [ 1324.353570][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.353659][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.353710][ T32] r4:e044ddc0 [ 1324.354087][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.354200][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.354252][ T32] r4:00000000 [ 1324.354297][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.354413][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.354467][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.354563][ T32] r5:00001000 r4:dfe3d000 [ 1324.354606][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.354693][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.354798][ T32] r5:84a2438c r4:84a24000 [ 1324.354843][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.354947][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.354997][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.355099][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.355169][ T32] r4:84ab5800 [ 1324.355222][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.355321][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.355376][ T32] r4:00000001 [ 1324.355432][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.355515][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.355573][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.355655][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.355720][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.355782][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.355833][ T32] r4:84ab0640 [ 1324.355880][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.355939][ T32] INFO: task kworker/0:12:3135 blocked for more than 450 seconds. [ 1324.356007][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.356061][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.356108][ T32] task:kworker/0:12 state:D stack:0 pid:3135 tgid:3135 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.356206][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.356306][ T32] Call trace: [ 1324.356372][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.356476][ T32] r10:8291a684 r9:dfa4dd84 r8:00000002 r7:60000113 r6:dfa4dd8c r5:833fb000 [ 1324.356558][ T32] r4:833fb000 [ 1324.356602][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.356696][ T32] r5:833fb000 r4:8291a680 [ 1324.356825][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.356919][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.357015][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa4de08 [ 1324.357064][ T32] r4:00000000 [ 1324.357126][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.357205][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.357283][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.357373][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852d2940 [ 1324.357433][ T32] r4:00000000 [ 1324.357476][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.357572][ T32] r9:83018005 r8:833fb000 r7:00000000 r6:83018000 r5:00001000 r4:7f039000 [ 1324.357621][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.357709][ T32] r5:00001000 r4:e0335000 [ 1324.357749][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.357827][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.357915][ T32] r5:85100f8c r4:85100c00 [ 1324.358007][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.358121][ T32] r7:dddced80 r6:83018000 r5:85100f8c r4:830cc300 [ 1324.358262][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.358413][ T32] r10:61c88647 r9:833fb000 r8:830cc32c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.358465][ T32] r4:830cc300 [ 1324.358511][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.358611][ T32] r10:00000000 r9:830cc300 r8:80287e08 r7:dfa11e60 r6:849d2700 r5:833fb000 [ 1324.358663][ T32] r4:00000001 [ 1324.358709][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.358789][ T32] Exception stack(0xdfa4dfb0 to 0xdfa4dff8) [ 1324.358846][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.358912][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.358974][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.359038][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.359093][ T32] r4:848c2000 [ 1324.385156][ T32] INFO: task kworker/0:12:3135 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.385354][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.385532][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.385671][ T32] Call trace: [ 1324.385748][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.385873][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.385941][ T32] r4:00000000 [ 1324.386034][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.386131][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.386194][ T32] dd20: 99402000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.386255][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.386310][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.386364][ T32] r5:800d0013 r4:80239bb0 [ 1324.386423][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.386515][ T32] r4:82ac21e4 [ 1324.386563][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.386662][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.386717][ T32] r4:e044ddc0 [ 1324.386767][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.386866][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.386916][ T32] r4:00000000 [ 1324.386962][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.387068][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.387281][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.387398][ T32] r5:00001000 r4:dfe3d000 [ 1324.387447][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.387642][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.387746][ T32] r5:84a2438c r4:84a24000 [ 1324.387795][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.387895][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.387941][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.388072][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.388130][ T32] r4:84ab5800 [ 1324.388174][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.388273][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.388325][ T32] r4:00000001 [ 1324.388372][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.388478][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.388594][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.388682][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.388744][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.388814][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.388873][ T32] r4:84ab0640 [ 1324.388924][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.388987][ T32] INFO: task kworker/0:13:3137 blocked for more than 450 seconds. [ 1324.389068][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.389126][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.389177][ T32] task:kworker/0:13 state:D stack:0 pid:3137 tgid:3137 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.403501][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.403772][ T32] Call trace: [ 1324.403865][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.404009][ T32] r10:8291a684 r9:dfa5dd84 r8:00000002 r7:60000113 r6:dfa5dd8c r5:833f8c00 [ 1324.404065][ T32] r4:833f8c00 [ 1324.404112][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.404216][ T32] r5:833f8c00 r4:8291a680 [ 1324.404268][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.404444][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.404599][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa5de08 [ 1324.404823][ T32] r4:00000000 [ 1324.404885][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.404977][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.405064][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.405220][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a7c80 [ 1324.405283][ T32] r4:00000000 [ 1324.405327][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.405446][ T32] r9:83018005 r8:833f8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f081000 [ 1324.405496][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.405588][ T32] r5:00001000 r4:ea953000 [ 1324.405630][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.405720][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.405816][ T32] r5:85102f8c r4:85102c00 [ 1324.405875][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.405997][ T32] r7:dddced80 r6:83018000 r5:85102f8c r4:830cc280 [ 1324.406048][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.406154][ T32] r10:61c88647 r9:833f8c00 r8:830cc2ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.406209][ T32] r4:830cc280 [ 1324.406259][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.406399][ T32] r10:00000000 r9:830cc280 r8:80287e08 r7:dfa11e60 r6:849d2780 r5:833f8c00 [ 1324.406461][ T32] r4:00000001 [ 1324.406512][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.406599][ T32] Exception stack(0xdfa5dfb0 to 0xdfa5dff8) [ 1324.406670][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.406742][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.406810][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.406879][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.406931][ T32] r4:848c2ec0 [ 1324.407738][ T32] INFO: task kworker/0:13:3137 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.407830][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.407989][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.408087][ T32] Call trace: [ 1324.408150][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.408251][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.408306][ T32] r4:00000000 [ 1324.408350][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.408457][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.408559][ T32] dd20: 99402000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.408782][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.408859][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.408918][ T32] r5:800d0013 r4:80239bb0 [ 1324.408965][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.409060][ T32] r4:82ac21e4 [ 1324.409126][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.409226][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.409376][ T32] r4:e044ddc0 [ 1324.429997][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.430191][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.430280][ T32] r4:00000000 [ 1324.430366][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.430498][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.430550][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.430652][ T32] r5:00001000 r4:dfe3d000 [ 1324.430722][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.430843][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.430944][ T32] r5:84a2438c r4:84a24000 [ 1324.430992][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.431131][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.431189][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.431302][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.431355][ T32] r4:84ab5800 [ 1324.431456][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.431588][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.431650][ T32] r4:00000001 [ 1324.431700][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.431807][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.431896][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.431971][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.432035][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.432131][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.432193][ T32] r4:84ab0640 [ 1324.432293][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.432409][ T32] INFO: task kworker/0:14:3139 blocked for more than 450 seconds. [ 1324.432488][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.432589][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.432660][ T32] task:kworker/0:14 state:D stack:0 pid:3139 tgid:3139 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.432825][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.432936][ T32] Call trace: [ 1324.433010][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.433116][ T32] r10:8291a684 r9:dfa6dd84 r8:00000002 r7:60000113 r6:dfa6dd8c r5:833fbc00 [ 1324.433167][ T32] r4:833fbc00 [ 1324.433210][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.433300][ T32] r5:833fbc00 r4:8291a680 [ 1324.433344][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.433440][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.433540][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa6de08 [ 1324.433595][ T32] r4:00000000 [ 1324.433647][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.433722][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.433802][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.433899][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dd040 [ 1324.433992][ T32] r4:00000000 [ 1324.434048][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.434174][ T32] r9:83018005 r8:833fbc00 r7:00000000 r6:83018000 r5:00001000 r4:7f02f000 [ 1324.434229][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.434346][ T32] r5:00001000 r4:dfe2f000 [ 1324.434404][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.434522][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.434617][ T32] r5:85102b8c r4:85102800 [ 1324.434670][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.434774][ T32] r7:dddced80 r6:83018000 r5:85102b8c r4:830cc380 [ 1324.434834][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.434937][ T32] r10:61c88647 r9:833fbc00 r8:830cc3ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.434996][ T32] r4:830cc380 [ 1324.435038][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.435134][ T32] r10:00000000 r9:830cc380 r8:80287e08 r7:dfa5de60 r6:849d2800 r5:833fbc00 [ 1324.435185][ T32] r4:00000001 [ 1324.435232][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.435315][ T32] Exception stack(0xdfa6dfb0 to 0xdfa6dff8) [ 1324.435376][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.435457][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.435524][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.435594][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.435663][ T32] r4:84557580 [ 1324.436422][ T32] INFO: task kworker/0:14:3139 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.436547][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.436728][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.437006][ T32] Call trace: [ 1324.437139][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.437249][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.437297][ T32] r4:00000000 [ 1324.437337][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.437489][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.437598][ T32] dd20: 996ac000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.437818][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.437896][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.437951][ T32] r5:800d0013 r4:80239bb0 [ 1324.437995][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.438090][ T32] r4:82ac21e4 [ 1324.438135][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.438361][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.438454][ T32] r4:e044ddc0 [ 1324.438505][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.438625][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.438686][ T32] r4:00000000 [ 1324.438735][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.438849][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.438960][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.439072][ T32] r5:00001000 r4:dfe3d000 [ 1324.439128][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.439316][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.469895][ T32] r5:84a2438c r4:84a24000 [ 1324.469955][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.470062][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.470126][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.470195][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.470225][ T32] r4:84ab5800 [ 1324.470252][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.470439][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.470501][ T32] r4:00000001 [ 1324.470530][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.470586][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.470627][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.470665][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.470732][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.470770][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.470811][ T32] r4:84ab0640 [ 1324.470842][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.470878][ T32] INFO: task kworker/0:15:3141 blocked for more than 450 seconds. [ 1324.470982][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.471076][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.471122][ T32] task:kworker/0:15 state:D stack:0 pid:3141 tgid:3141 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.471269][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.471353][ T32] Call trace: [ 1324.471394][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.471458][ T32] r10:8291a684 r9:dfa79d84 r8:00000002 r7:60000113 r6:dfa79d8c r5:833fc800 [ 1324.471484][ T32] r4:833fc800 [ 1324.471508][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.471565][ T32] r5:833fc800 r4:8291a680 [ 1324.471620][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.471733][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.471812][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa79e08 [ 1324.471841][ T32] r4:00000000 [ 1324.471874][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.471916][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.471959][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.472067][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8550e980 [ 1324.472095][ T32] r4:00000000 [ 1324.472118][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.472199][ T32] r9:83018005 r8:833fc800 r7:00000000 r6:83018000 r5:00001000 r4:7f085000 [ 1324.472236][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.472302][ T32] r5:00001000 r4:eacd5000 [ 1324.472331][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.472375][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.472421][ T32] r5:841db78c r4:841db400 [ 1324.472471][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.472567][ T32] r7:dddced80 r6:83018000 r5:841db78c r4:83dc4600 [ 1324.472593][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.472646][ T32] r10:61c88647 r9:833fc800 r8:83dc462c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.472671][ T32] r4:83dc4600 [ 1324.472691][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.472770][ T32] r10:00000000 r9:83dc4600 r8:80287e08 r7:dfa5de60 r6:849d2880 r5:833fc800 [ 1324.472853][ T32] r4:00000001 [ 1324.472881][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.472992][ T32] Exception stack(0xdfa79fb0 to 0xdfa79ff8) [ 1324.473075][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.473111][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.473140][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.473202][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.473261][ T32] r4:848dd1c0 [ 1324.473777][ T32] INFO: task kworker/0:15:3141 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.473877][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.473986][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.474038][ T32] Call trace: [ 1324.474167][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.474228][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.474255][ T32] r4:00000000 [ 1324.474276][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.474318][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.474414][ T32] dd20: 999e8000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.474449][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.474476][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.474503][ T32] r5:800d0013 r4:80239bb0 [ 1324.474526][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.474577][ T32] r4:82ac21e4 [ 1324.474652][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.474704][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.474729][ T32] r4:e044ddc0 [ 1324.474776][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.474834][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.474860][ T32] r4:00000000 [ 1324.474881][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.474948][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.475003][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.475053][ T32] r5:00001000 r4:dfe3d000 [ 1324.475105][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.475154][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.475200][ T32] r5:84a2438c r4:84a24000 [ 1324.475252][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.475307][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.475331][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.475396][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.475426][ T32] r4:84ab5800 [ 1324.475446][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.475496][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.475589][ T32] r4:00000001 [ 1324.475624][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.475805][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.475913][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.475948][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.475978][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.476011][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.476132][ T32] r4:84ab0640 [ 1324.476158][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.476217][ T32] INFO: task kworker/0:16:3143 blocked for more than 450 seconds. [ 1324.476251][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.476381][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.476410][ T32] task:kworker/0:16 state:D stack:0 pid:3143 tgid:3143 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.476481][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.476583][ T32] Call trace: [ 1324.476621][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.476704][ T32] r10:8291a684 r9:dfa8dd84 r8:00000002 r7:60000113 r6:dfa8dd8c r5:833fd400 [ 1324.476736][ T32] r4:833fd400 [ 1324.476758][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.476805][ T32] r5:833fd400 r4:8291a680 [ 1324.476860][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.476969][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.477023][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa8de08 [ 1324.477048][ T32] r4:00000000 [ 1324.477081][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.477122][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.477160][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.477206][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848c9dc0 [ 1324.477230][ T32] r4:00000000 [ 1324.477284][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.477342][ T32] r9:83018005 r8:833fd400 r7:00000000 r6:83018000 r5:00001000 r4:7f04f000 [ 1324.477396][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.477446][ T32] r5:00001000 r4:eacc9000 [ 1324.477467][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.477604][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.477712][ T32] r5:85103b8c r4:85103800 [ 1324.477773][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.477899][ T32] r7:dddced80 r6:83018000 r5:85103b8c r4:83dc4580 [ 1324.477951][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.478008][ T32] r10:61c88647 r9:833fd400 r8:83dc45ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.478035][ T32] r4:83dc4580 [ 1324.478092][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.478179][ T32] r10:00000000 r9:83dc4580 r8:80287e08 r7:dfa79e60 r6:849d2900 r5:833fd400 [ 1324.478208][ T32] r4:00000001 [ 1324.478229][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.478342][ T32] Exception stack(0xdfa8dfb0 to 0xdfa8dff8) [ 1324.478377][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.478409][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.478437][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.478529][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.478563][ T32] r4:848dd100 [ 1324.478817][ T32] INFO: task kworker/0:16:3143 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.478945][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.479011][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.479059][ T32] Call trace: [ 1324.479120][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.479180][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.479205][ T32] r4:00000000 [ 1324.479226][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.479268][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.479298][ T32] dd20: 999e8000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.479423][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.506242][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.506343][ T32] r5:800d0013 r4:80239bb0 [ 1324.506402][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.506476][ T32] r4:82ac21e4 [ 1324.506500][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.506669][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.506703][ T32] r4:e044ddc0 [ 1324.506757][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.506846][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.506875][ T32] r4:00000000 [ 1324.507235][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.507295][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.507322][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.507385][ T32] r5:00001000 r4:dfe3d000 [ 1324.507428][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.507505][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.507577][ T32] r5:84a2438c r4:84a24000 [ 1324.507613][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.507669][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.507692][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.507745][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.507770][ T32] r4:84ab5800 [ 1324.507808][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.507896][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.507925][ T32] r4:00000001 [ 1324.507948][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.507991][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.508021][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.508052][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.508082][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.508179][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.508209][ T32] r4:84ab0640 [ 1324.508236][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.508271][ T32] INFO: task kworker/0:17:3145 blocked for more than 450 seconds. [ 1324.508309][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.508338][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.508363][ T32] task:kworker/0:17 state:D stack:0 pid:3145 tgid:3145 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.508432][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.508481][ T32] Call trace: [ 1324.508601][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.508710][ T32] r10:8291a684 r9:dfa9dd84 r8:00000002 r7:60000013 r6:dfa9dd8c r5:83aee000 [ 1324.508742][ T32] r4:83aee000 [ 1324.508764][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.508872][ T32] r5:83aee000 r4:8291a680 [ 1324.508899][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.508942][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.508988][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa9de08 [ 1324.509011][ T32] r4:00000000 [ 1324.509032][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.509068][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.509104][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.509176][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84603540 [ 1324.509247][ T32] r4:00000000 [ 1324.509340][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.515901][ T32] r9:83018005 r8:83aee000 r7:00000000 r6:83018000 r5:00001000 r4:7f00f000 [ 1324.515951][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.516023][ T32] r5:00001000 r4:df9d5000 [ 1324.516114][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.516165][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.516489][ T32] r5:841dbb8c r4:841db800 [ 1324.516646][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.517428][ T32] r7:dddced80 r6:83018000 r5:841dbb8c r4:848abb80 [ 1324.517509][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.517626][ T32] r10:61c88647 r9:83aee000 r8:848abbac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.517657][ T32] r4:848abb80 [ 1324.517682][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.517922][ T32] r10:00000000 r9:848abb80 r8:80287e08 r7:dfa79e60 r6:849d2980 r5:83aee000 [ 1324.517983][ T32] r4:00000001 [ 1324.518040][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.518088][ T32] Exception stack(0xdfa9dfb0 to 0xdfa9dff8) [ 1324.518121][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.518152][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.518231][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.518344][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.518409][ T32] r4:848dd1c0 [ 1324.518914][ T32] INFO: task kworker/0:17:3145 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.519022][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.519154][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.519214][ T32] Call trace: [ 1324.519365][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.526177][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.526221][ T32] r4:00000000 [ 1324.526246][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.526338][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.526380][ T32] dd20: 99ce7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.526414][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.526466][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.526497][ T32] r5:800d0013 r4:80239bb0 [ 1324.526668][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.526727][ T32] r4:82ac21e4 [ 1324.526780][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.526832][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.526858][ T32] r4:e044ddc0 [ 1324.526879][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.526925][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.527054][ T32] r4:00000000 [ 1324.527081][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.527134][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.527157][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.527206][ T32] r5:00001000 r4:dfe3d000 [ 1324.527228][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.527270][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.527317][ T32] r5:84a2438c r4:84a24000 [ 1324.527440][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.527501][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.527525][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.527584][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.527753][ T32] r4:84ab5800 [ 1324.527781][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.527863][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.527892][ T32] r4:00000001 [ 1324.528068][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.528111][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.528170][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.528286][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.528392][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.528534][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.528914][ T32] r4:84ab0640 [ 1324.528950][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.528986][ T32] INFO: task kworker/0:18:3147 blocked for more than 450 seconds. [ 1324.529058][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.529120][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.529150][ T32] task:kworker/0:18 state:D stack:0 pid:3147 tgid:3147 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.529214][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.542838][ T32] Call trace: [ 1324.542909][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.542995][ T32] r10:8291a684 r9:dfaa5d84 r8:00000002 r7:60000113 r6:dfaa5d8c r5:83ae8c00 [ 1324.543020][ T32] r4:83ae8c00 [ 1324.543043][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.543153][ T32] r5:83ae8c00 r4:8291a680 [ 1324.543183][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.543228][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.543274][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaa5e08 [ 1324.543298][ T32] r4:00000000 [ 1324.543345][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.543424][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.543472][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.543535][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849a3d00 [ 1324.543571][ T32] r4:00000000 [ 1324.543593][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.543648][ T32] r9:83018005 r8:83ae8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0c7000 [ 1324.543703][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.543759][ T32] r5:00001000 r4:eb6eb000 [ 1324.543819][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.543898][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.543976][ T32] r5:84b4ef8c r4:84b4ec00 [ 1324.544003][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.544094][ T32] r7:dddced80 r6:83018000 r5:84b4ef8c r4:848abd00 [ 1324.544151][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.544268][ T32] r10:61c88647 r9:83ae8c00 r8:848abd2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.544334][ T32] r4:848abd00 [ 1324.544362][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.544416][ T32] r10:00000000 r9:848abd00 r8:80287e08 r7:dfa9de60 r6:849d2a00 r5:83ae8c00 [ 1324.544441][ T32] r4:00000001 [ 1324.544462][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.544530][ T32] Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) [ 1324.544709][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.544747][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.544776][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.544807][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.544851][ T32] r4:848dd3c0 [ 1324.545307][ T32] INFO: task kworker/0:18:3147 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.545382][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.545657][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.545799][ T32] Call trace: [ 1324.545835][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.545891][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.545915][ T32] r4:00000000 [ 1324.545935][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.545976][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.546006][ T32] dd20: 99f2f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.546082][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.546114][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.546139][ T32] r5:800d0013 r4:80239bb0 [ 1324.546191][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.546242][ T32] r4:82ac21e4 [ 1324.546265][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.546311][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.546336][ T32] r4:e044ddc0 [ 1324.546386][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.546438][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.546462][ T32] r4:00000000 [ 1324.546483][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.546596][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.546626][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.546674][ T32] r5:00001000 r4:dfe3d000 [ 1324.546696][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.546739][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.546877][ T32] r5:84a2438c r4:84a24000 [ 1324.546965][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.547022][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.547045][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.547096][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.547121][ T32] r4:84ab5800 [ 1324.547142][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.547230][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.547276][ T32] r4:00000001 [ 1324.547302][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.547345][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.547374][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.547428][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.547462][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.547493][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.547582][ T32] r4:84ab0640 [ 1324.547612][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.547664][ T32] INFO: task kworker/0:19:3150 blocked for more than 450 seconds. [ 1324.547705][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.547734][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.547771][ T32] task:kworker/0:19 state:D stack:0 pid:3150 tgid:3150 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.547828][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.547875][ T32] Call trace: [ 1324.547909][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.547960][ T32] r10:8291a684 r9:dfab9d84 r8:00000002 r7:60000113 r6:dfab9d8c r5:83ae8000 [ 1324.548029][ T32] r4:83ae8000 [ 1324.548055][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.548102][ T32] r5:83ae8000 r4:8291a680 [ 1324.548123][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.548224][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.548276][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfab9e08 [ 1324.548302][ T32] r4:00000000 [ 1324.548327][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.548364][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.548401][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.548447][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849a34c0 [ 1324.548522][ T32] r4:00000000 [ 1324.548571][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.548623][ T32] r9:83018005 r8:83ae8000 r7:00000000 r6:83018000 r5:00001000 r4:7f05d000 [ 1324.548647][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.548692][ T32] r5:00001000 r4:eb4a1000 [ 1324.548712][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.548820][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.548872][ T32] r5:84b4df8c r4:84b4dc00 [ 1324.548893][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.548943][ T32] r7:dddced80 r6:83018000 r5:84b4df8c r4:830b8580 [ 1324.548965][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.549104][ T32] r10:61c88647 r9:83ae8000 r8:830b85ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.549141][ T32] r4:830b8580 [ 1324.549198][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.549253][ T32] r10:00000000 r9:830b8580 r8:80287e08 r7:dfaa5e60 r6:849d2a80 r5:83ae8000 [ 1324.549309][ T32] r4:00000001 [ 1324.549427][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.573891][ T32] Exception stack(0xdfab9fb0 to 0xdfab9ff8) [ 1324.573959][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.574080][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.574116][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.574184][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.574247][ T32] r4:848dd5c0 [ 1324.574727][ T32] INFO: task kworker/0:19:3150 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.574771][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.574882][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.574995][ T32] Call trace: [ 1324.575069][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.575194][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.575225][ T32] r4:00000000 [ 1324.575248][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.575295][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.575326][ T32] dd20: 9a107000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.575360][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.575395][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.575423][ T32] r5:800d0013 r4:80239bb0 [ 1324.575445][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.575492][ T32] r4:82ac21e4 [ 1324.575514][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.575662][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.575693][ T32] r4:e044ddc0 [ 1324.575715][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.575762][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.575785][ T32] r4:00000000 [ 1324.575806][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.575893][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.576013][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.576070][ T32] r5:00001000 r4:dfe3d000 [ 1324.576093][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.576168][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.576221][ T32] r5:84a2438c r4:84a24000 [ 1324.576274][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.576331][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.576479][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.576570][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.576641][ T32] r4:84ab5800 [ 1324.576669][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.576752][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.576782][ T32] r4:00000001 [ 1324.576834][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.576941][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.576991][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.577057][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.577091][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.577122][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.577145][ T32] r4:84ab0640 [ 1324.577230][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.577282][ T32] INFO: task kworker/0:20:3152 blocked for more than 450 seconds. [ 1324.577325][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.577389][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.577416][ T32] task:kworker/0:20 state:D stack:0 pid:3152 tgid:3152 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.577562][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.577767][ T32] Call trace: [ 1324.577806][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.577859][ T32] r10:8291a684 r9:dfac5d84 r8:00000002 r7:60000113 r6:dfac5d8c r5:83aeec00 [ 1324.577883][ T32] r4:83aeec00 [ 1324.577905][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.577950][ T32] r5:83aeec00 r4:8291a680 [ 1324.577972][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.578012][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.578088][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfac5e08 [ 1324.578117][ T32] r4:00000000 [ 1324.578138][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.578206][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.578247][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.578320][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85694e00 [ 1324.578345][ T32] r4:00000000 [ 1324.578399][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.578452][ T32] r9:83018005 r8:83aeec00 r7:00000000 r6:83018000 r5:00001000 r4:7f069000 [ 1324.578502][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.578553][ T32] r5:00001000 r4:ea843000 [ 1324.578575][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.578651][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.578702][ T32] r5:855d1b8c r4:855d1800 [ 1324.578765][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.578824][ T32] r7:dddced80 r6:83018000 r5:855d1b8c r4:830b8480 [ 1324.578847][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.578898][ T32] r10:61c88647 r9:83aeec00 r8:830b84ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.578953][ T32] r4:830b8480 [ 1324.578978][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.579029][ T32] r10:00000000 r9:830b8480 r8:80287e08 r7:dfaa5e60 r6:849d2b00 r5:83aeec00 [ 1324.579053][ T32] r4:00000001 [ 1324.579074][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.579111][ T32] Exception stack(0xdfac5fb0 to 0xdfac5ff8) [ 1324.579171][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.579207][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.579260][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.579294][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.579439][ T32] r4:848dd7c0 [ 1324.596534][ T32] INFO: task kworker/0:20:3152 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.596684][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.596843][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.596915][ T32] Call trace: [ 1324.597047][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.597128][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.597185][ T32] r4:00000000 [ 1324.597212][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.597260][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.597296][ T32] dd20: 9a1d7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.597350][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.597418][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.597452][ T32] r5:800d0013 r4:80239bb0 [ 1324.597507][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.597564][ T32] r4:82ac21e4 [ 1324.597598][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.597647][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.597701][ T32] r4:e044ddc0 [ 1324.597739][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.597786][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.597810][ T32] r4:00000000 [ 1324.597832][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.597884][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.597936][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.597989][ T32] r5:00001000 r4:dfe3d000 [ 1324.598012][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.598055][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.598102][ T32] r5:84a2438c r4:84a24000 [ 1324.598144][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.598341][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.598372][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.598426][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.598450][ T32] r4:84ab5800 [ 1324.598471][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.598520][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.598545][ T32] r4:00000001 [ 1324.598567][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.598613][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.598643][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.598675][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.598704][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.598736][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.598760][ T32] r4:84ab0640 [ 1324.598783][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.598814][ T32] INFO: task kworker/0:21:3154 blocked for more than 451 seconds. [ 1324.598852][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.598911][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.598940][ T32] task:kworker/0:21 state:D stack:0 pid:3154 tgid:3154 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.599089][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.599188][ T32] Call trace: [ 1324.599277][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.599422][ T32] r10:8291a684 r9:dfad1d84 r8:00000002 r7:60000113 r6:dfad1d8c r5:83ae9800 [ 1324.613154][ T32] r4:83ae9800 [ 1324.613317][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.613453][ T32] r5:83ae9800 r4:8291a680 [ 1324.613482][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.613528][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.613582][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfad1e08 [ 1324.613609][ T32] r4:00000000 [ 1324.613638][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.613677][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.613721][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.613765][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8463ba40 [ 1324.613790][ T32] r4:00000000 [ 1324.613814][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.613865][ T32] r9:83018005 r8:83ae9800 r7:00000000 r6:83018000 r5:00001000 r4:7f03b000 [ 1324.613889][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.613938][ T32] r5:00001000 r4:eae91000 [ 1324.613981][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.614043][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.614154][ T32] r5:841dc78c r4:841dc400 [ 1324.614182][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.614237][ T32] r7:dddced80 r6:83018000 r5:841dc78c r4:830b8500 [ 1324.614261][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.614374][ T32] r10:61c88647 r9:83ae9800 r8:830b852c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.614404][ T32] r4:830b8500 [ 1324.614497][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.614620][ T32] r10:00000000 r9:830b8500 r8:80287e08 r7:dfac5e60 r6:849d2b80 r5:83ae9800 [ 1324.614658][ T32] r4:00000001 [ 1324.614710][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.614758][ T32] Exception stack(0xdfad1fb0 to 0xdfad1ff8) [ 1324.614792][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1324.614826][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.614855][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.614920][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.614950][ T32] r4:848dd900 [ 1324.615426][ T32] INFO: task kworker/0:21:3154 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.615488][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.615617][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.615731][ T32] Call trace: [ 1324.615774][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.615838][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.615866][ T32] r4:00000000 [ 1324.615917][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.616010][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.616094][ T32] dd20: 9a510000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.616133][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.616193][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.616314][ T32] r5:800d0013 r4:80239bb0 [ 1324.616353][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.616403][ T32] r4:82ac21e4 [ 1324.616426][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.616532][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.616590][ T32] r4:e044ddc0 [ 1324.616619][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.616667][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.616712][ T32] r4:00000000 [ 1324.616763][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.616825][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.616884][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.616998][ T32] r5:00001000 r4:dfe3d000 [ 1324.617027][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.617071][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.617178][ T32] r5:84a2438c r4:84a24000 [ 1324.617206][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.617258][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.617283][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.617350][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.617415][ T32] r4:84ab5800 [ 1324.617470][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.617540][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.617569][ T32] r4:00000001 [ 1324.617695][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.617741][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.617771][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.617831][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.617893][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.617945][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.617973][ T32] r4:84ab0640 [ 1324.617996][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.618030][ T32] INFO: task kworker/0:22:3156 blocked for more than 451 seconds. [ 1324.618068][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.618097][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.618121][ T32] task:kworker/0:22 state:D stack:0 pid:3156 tgid:3156 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.618200][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.618287][ T32] Call trace: [ 1324.618421][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.618483][ T32] r10:8291a684 r9:dfaddd84 r8:00000002 r7:60000113 r6:dfaddd8c r5:84286c00 [ 1324.618509][ T32] r4:84286c00 [ 1324.618547][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.618712][ T32] r5:84286c00 r4:8291a680 [ 1324.618773][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.618850][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.618903][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfadde08 [ 1324.618959][ T32] r4:00000000 [ 1324.619016][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.619065][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.619105][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.619181][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85703840 [ 1324.619243][ T32] r4:00000000 [ 1324.619271][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.640015][ T32] r9:83018005 r8:84286c00 r7:00000000 r6:83018000 r5:00001000 r4:7f049000 [ 1324.640218][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.640346][ T32] r5:00001000 r4:eb591000 [ 1324.640379][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.640441][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.640540][ T32] r5:856d0b8c r4:856d0800 [ 1324.640575][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.640654][ T32] r7:dddced80 r6:83018000 r5:856d0b8c r4:830b8400 [ 1324.640926][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.641004][ T32] r10:61c88647 r9:84286c00 r8:830b842c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.641074][ T32] r4:830b8400 [ 1324.641107][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.641275][ T32] r10:00000000 r9:830b8400 r8:80287e08 r7:dfac5e60 r6:849d2c00 r5:84286c00 [ 1324.641376][ T32] r4:00000001 [ 1324.641409][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.641483][ T32] Exception stack(0xdfaddfb0 to 0xdfaddff8) [ 1324.641530][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.641573][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.641689][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.641727][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.641753][ T32] r4:848dd880 [ 1324.642205][ T32] INFO: task kworker/0:22:3156 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.642246][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.642361][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.642423][ T32] Call trace: [ 1324.642523][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.642595][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.642624][ T32] r4:00000000 [ 1324.642648][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.642722][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.642766][ T32] dd20: 9a77e000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.642801][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.642835][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.642893][ T32] r5:800d0013 r4:80239bb0 [ 1324.642927][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.643008][ T32] r4:82ac21e4 [ 1324.643037][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.643087][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.643111][ T32] r4:e044ddc0 [ 1324.643133][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.643178][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.643202][ T32] r4:00000000 [ 1324.643225][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.643275][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.643404][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.643487][ T32] r5:00001000 r4:dfe3d000 [ 1324.643513][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.643589][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.643707][ T32] r5:84a2438c r4:84a24000 [ 1324.643735][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.643787][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.643810][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.643906][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.643937][ T32] r4:84ab5800 [ 1324.643970][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.644051][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.644110][ T32] r4:00000001 [ 1324.644176][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.644220][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.644250][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.644375][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.644433][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.644467][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.644555][ T32] r4:84ab0640 [ 1324.644597][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.644634][ T32] INFO: task kworker/0:23:3158 blocked for more than 451 seconds. [ 1324.644673][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.644701][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.644724][ T32] task:kworker/0:23 state:D stack:0 pid:3158 tgid:3158 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.644932][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.645155][ T32] Call trace: [ 1324.645254][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.645310][ T32] r10:8291a684 r9:dfae9d84 r8:00000002 r7:60000113 r6:dfae9d8c r5:83ac0000 [ 1324.645339][ T32] r4:83ac0000 [ 1324.645362][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.645407][ T32] r5:83ac0000 r4:8291a680 [ 1324.645428][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.645468][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.645555][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfae9e08 [ 1324.645596][ T32] r4:00000000 [ 1324.645618][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.645656][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.645692][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.645734][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b7a140 [ 1324.645779][ T32] r4:00000000 [ 1324.645869][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.645929][ T32] r9:83018005 r8:83ac0000 r7:00000000 r6:83018000 r5:00001000 r4:7f121000 [ 1324.645954][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.646001][ T32] r5:00001000 r4:ed17b000 [ 1324.646022][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.646239][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.646290][ T32] r5:85bc3b8c r4:85bc3800 [ 1324.646312][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.646362][ T32] r7:dddced80 r6:83018000 r5:85bc3b8c r4:8433f180 [ 1324.646384][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.646432][ T32] r10:61c88647 r9:83ac0000 r8:8433f1ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.646590][ T32] r4:8433f180 [ 1324.646625][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.646674][ T32] r10:00000000 r9:8433f180 r8:80287e08 r7:dfadde60 r6:849d2c80 r5:83ac0000 [ 1324.646698][ T32] r4:00000001 [ 1324.646798][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.646840][ T32] Exception stack(0xdfae9fb0 to 0xdfae9ff8) [ 1324.646869][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.646898][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.647318][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.647385][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.647415][ T32] r4:848ddb40 [ 1324.647723][ T32] INFO: task kworker/0:23:3158 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.647762][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.648017][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.648185][ T32] Call trace: [ 1324.648260][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.648377][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.648438][ T32] r4:00000000 [ 1324.648465][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.648549][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.648602][ T32] dd20: 9a77e000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.648634][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.648663][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.648746][ T32] r5:800d0013 r4:80239bb0 [ 1324.648809][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.648871][ T32] r4:82ac21e4 [ 1324.648895][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.648941][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.649178][ T32] r4:e044ddc0 [ 1324.649204][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.649249][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.649273][ T32] r4:00000000 [ 1324.649392][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.649561][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.677280][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.677404][ T32] r5:00001000 r4:dfe3d000 [ 1324.677431][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.677476][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.677524][ T32] r5:84a2438c r4:84a24000 [ 1324.677565][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.677636][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.677661][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.677780][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.677809][ T32] r4:84ab5800 [ 1324.677832][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.677884][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.677939][ T32] r4:00000001 [ 1324.678000][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.678078][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.678146][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.678246][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.678278][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.678335][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.678398][ T32] r4:84ab0640 [ 1324.678456][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.678512][ T32] INFO: task kworker/0:24:3159 blocked for more than 451 seconds. [ 1324.678694][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.678760][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.678789][ T32] task:kworker/0:24 state:D stack:0 pid:3159 tgid:3159 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.678887][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.678955][ T32] Call trace: [ 1324.679104][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.679337][ T32] r10:8291a684 r9:dfaf5d84 r8:00000002 r7:60000113 r6:dfaf5d8c r5:83ac0c00 [ 1324.682428][ T32] r4:83ac0c00 [ 1324.682506][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.682575][ T32] r5:83ac0c00 r4:8291a680 [ 1324.682738][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.682787][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.682862][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaf5e08 [ 1324.682987][ T32] r4:00000000 [ 1324.683013][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.683050][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.683201][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.683260][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850ba740 [ 1324.683420][ T32] r4:00000000 [ 1324.683447][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.683691][ T32] r9:83018005 r8:83ac0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f037000 [ 1324.683741][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.683801][ T32] r5:00001000 r4:eafc5000 [ 1324.683824][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.683898][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.683977][ T32] r5:841dd38c r4:841dd000 [ 1324.684004][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.684086][ T32] r7:dddced80 r6:83018000 r5:841dd38c r4:848e5000 [ 1324.684180][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.684264][ T32] r10:61c88647 r9:83ac0c00 r8:848e502c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.684294][ T32] r4:848e5000 [ 1324.684335][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.684404][ T32] r10:00000000 r9:848e5000 r8:80287e08 r7:dfae9e60 r6:849d2d00 r5:83ac0c00 [ 1324.684437][ T32] r4:00000001 [ 1324.684493][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.684574][ T32] Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) [ 1324.684634][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.684671][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.684700][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.684730][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.684783][ T32] r4:848ddd80 [ 1324.685244][ T32] INFO: task kworker/0:24:3159 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.685283][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.685392][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.685563][ T32] Call trace: [ 1324.685715][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.685836][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.686062][ T32] r4:00000000 [ 1324.686088][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.686132][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.686185][ T32] dd20: 9a9c6000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.686307][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.686344][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.686438][ T32] r5:800d0013 r4:80239bb0 [ 1324.686465][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.686546][ T32] r4:82ac21e4 [ 1324.686584][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.686636][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.686661][ T32] r4:e044ddc0 [ 1324.686739][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.687117][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.687242][ T32] r4:00000000 [ 1324.687318][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.687408][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.687437][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.687485][ T32] r5:00001000 r4:dfe3d000 [ 1324.687508][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.687551][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.687601][ T32] r5:84a2438c r4:84a24000 [ 1324.687734][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.687858][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.687981][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.688058][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.688106][ T32] r4:84ab5800 [ 1324.688130][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.688224][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.688253][ T32] r4:00000001 [ 1324.688275][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.688478][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.688586][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.688735][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.688770][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.688841][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.688876][ T32] r4:84ab0640 [ 1324.688901][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.689307][ T32] INFO: task kworker/0:25:3161 blocked for more than 451 seconds. [ 1324.707230][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.707309][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.707357][ T32] task:kworker/0:25 state:D stack:0 pid:3161 tgid:3161 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.707482][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.707568][ T32] Call trace: [ 1324.707613][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.707676][ T32] r10:8291a684 r9:dfb05d84 r8:00000002 r7:60000113 r6:dfb05d8c r5:83236000 [ 1324.707701][ T32] r4:83236000 [ 1324.707724][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.707770][ T32] r5:83236000 r4:8291a680 [ 1324.707791][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.707855][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.707929][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb05e08 [ 1324.707983][ T32] r4:00000000 [ 1324.708029][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.708071][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.708113][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.708178][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850ba640 [ 1324.708228][ T32] r4:00000000 [ 1324.708260][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.708349][ T32] r9:83018005 r8:83236000 r7:00000000 r6:83018000 r5:00001000 r4:7f035000 [ 1324.708398][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.708449][ T32] r5:00001000 r4:eaf1f000 [ 1324.708495][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.708590][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.708652][ T32] r5:841dd78c r4:841dd400 [ 1324.708679][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.708755][ T32] r7:dddced80 r6:83018000 r5:841dd78c r4:848e5100 [ 1324.708807][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.708884][ T32] r10:61c88647 r9:83236000 r8:848e512c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.708936][ T32] r4:848e5100 [ 1324.708961][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.709033][ T32] r10:00000000 r9:848e5100 r8:80287e08 r7:dfae9e60 r6:849d2d80 r5:83236000 [ 1324.709062][ T32] r4:00000001 [ 1324.709084][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.709125][ T32] Exception stack(0xdfb05fb0 to 0xdfb05ff8) [ 1324.709179][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.709214][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.709302][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.722569][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.722621][ T32] r4:848ddf40 [ 1324.723131][ T32] INFO: task kworker/0:25:3161 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.723218][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.723370][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.723498][ T32] Call trace: [ 1324.723535][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.723621][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.723678][ T32] r4:00000000 [ 1324.723788][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.723838][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.723905][ T32] dd20: 9b264000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.723972][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.724002][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.724027][ T32] r5:800d0013 r4:80239bb0 [ 1324.724048][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.724098][ T32] r4:82ac21e4 [ 1324.724164][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.724282][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.724360][ T32] r4:e044ddc0 [ 1324.724389][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.724447][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.724490][ T32] r4:00000000 [ 1324.724548][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.724624][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.724676][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.724755][ T32] r5:00001000 r4:dfe3d000 [ 1324.724780][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.724824][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.724904][ T32] r5:84a2438c r4:84a24000 [ 1324.724931][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.724989][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.725012][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.725097][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.725138][ T32] r4:84ab5800 [ 1324.725190][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.725246][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.725271][ T32] r4:00000001 [ 1324.725291][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.725368][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.725434][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.725504][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.725535][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.725602][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.725637][ T32] r4:84ab0640 [ 1324.725661][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.725750][ T32] INFO: task kworker/0:26:3163 blocked for more than 451 seconds. [ 1324.725817][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.725921][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.725948][ T32] task:kworker/0:26 state:D stack:0 pid:3163 tgid:3163 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.725998][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.726141][ T32] Call trace: [ 1324.726201][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.726255][ T32] r10:8291a684 r9:dfb15d84 r8:00000002 r7:60000113 r6:dfb15d8c r5:84023000 [ 1324.726279][ T32] r4:84023000 [ 1324.726404][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.726462][ T32] r5:84023000 r4:8291a680 [ 1324.726484][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.726561][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.726616][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb15e08 [ 1324.726640][ T32] r4:00000000 [ 1324.726660][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.726732][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.726792][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.726841][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815300 [ 1324.726900][ T32] r4:00000000 [ 1324.726928][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.726978][ T32] r9:83018005 r8:84023000 r7:00000000 r6:83018000 r5:00001000 r4:7f0b5000 [ 1324.727000][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.727045][ T32] r5:00001000 r4:ec505000 [ 1324.727065][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.727133][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.727235][ T32] r5:8582d78c r4:8582d400 [ 1324.727259][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.727311][ T32] r7:dddced80 r6:83018000 r5:8582d78c r4:848e5080 [ 1324.727397][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.727453][ T32] r10:61c88647 r9:84023000 r8:848e50ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.727483][ T32] r4:848e5080 [ 1324.727533][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.727596][ T32] r10:00000000 r9:848e5080 r8:80287e08 r7:dfae9e60 r6:849d2e00 r5:84023000 [ 1324.727649][ T32] r4:00000001 [ 1324.727695][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.727739][ T32] Exception stack(0xdfb15fb0 to 0xdfb15ff8) [ 1324.727767][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.727797][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.727826][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.727856][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.727917][ T32] r4:848b5840 [ 1324.728150][ T32] INFO: task kworker/0:26:3163 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.728185][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.728280][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.728375][ T32] Call trace: [ 1324.728491][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.728641][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.728677][ T32] r4:00000000 [ 1324.728698][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.728740][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.728836][ T32] dd20: 9b264000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.728911][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.728958][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.729049][ T32] r5:800d0013 r4:80239bb0 [ 1324.729075][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.729121][ T32] r4:82ac21e4 [ 1324.729142][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.729288][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.741053][ T32] r4:e044ddc0 [ 1324.741097][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.741167][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.741191][ T32] r4:00000000 [ 1324.741212][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.741263][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.741286][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.741383][ T32] r5:00001000 r4:dfe3d000 [ 1324.741411][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.741494][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.741545][ T32] r5:84a2438c r4:84a24000 [ 1324.741567][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.741631][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.741653][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.741741][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.741782][ T32] r4:84ab5800 [ 1324.741844][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.741898][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.741922][ T32] r4:00000001 [ 1324.741975][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.742056][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.742093][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.742124][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.742188][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.742222][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.742283][ T32] r4:84ab0640 [ 1324.742335][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.742373][ T32] INFO: task kworker/0:27:3165 blocked for more than 451 seconds. [ 1324.742410][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.742438][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.742496][ T32] task:kworker/0:27 state:D stack:0 pid:3165 tgid:3165 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.742566][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.742654][ T32] Call trace: [ 1324.742693][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.742749][ T32] r10:8291a684 r9:dfb25d84 r8:00000002 r7:60000113 r6:dfb25d8c r5:84020c00 [ 1324.742777][ T32] r4:84020c00 [ 1324.742840][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.742904][ T32] r5:84020c00 r4:8291a680 [ 1324.742967][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.743049][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.743125][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb25e08 [ 1324.743191][ T32] r4:00000000 [ 1324.743237][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.743318][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.743358][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.743402][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c6280 [ 1324.743425][ T32] r4:00000000 [ 1324.743483][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.743535][ T32] r9:83018005 r8:84020c00 r7:00000000 r6:83018000 r5:00001000 r4:7f03f000 [ 1324.743557][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.743609][ T32] r5:00001000 r4:eb6cd000 [ 1324.743630][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.743712][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.743800][ T32] r5:841ddf8c r4:841ddc00 [ 1324.743824][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.743915][ T32] r7:dddced80 r6:83018000 r5:841ddf8c r4:848e5180 [ 1324.743960][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.744027][ T32] r10:61c88647 r9:84020c00 r8:848e51ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.744086][ T32] r4:848e5180 [ 1324.744142][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.744248][ T32] r10:00000000 r9:848e5180 r8:80287e08 r7:dfae9e60 r6:849d2e80 r5:84020c00 [ 1324.744331][ T32] r4:00000001 [ 1324.744354][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.744392][ T32] Exception stack(0xdfb25fb0 to 0xdfb25ff8) [ 1324.744420][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.744472][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.744581][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.744635][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.744664][ T32] r4:848aa680 [ 1324.745107][ T32] INFO: task kworker/0:27:3165 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.745146][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.745269][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.745324][ T32] Call trace: [ 1324.745403][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.745462][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.745487][ T32] r4:00000000 [ 1324.745508][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.745599][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.745635][ T32] dd20: 9b264000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.745666][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.745721][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.745796][ T32] r5:800d0013 r4:80239bb0 [ 1324.745831][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.745900][ T32] r4:82ac21e4 [ 1324.745927][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.745998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.746027][ T32] r4:e044ddc0 [ 1324.746047][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.746092][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.746115][ T32] r4:00000000 [ 1324.746210][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.746320][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.746356][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.746403][ T32] r5:00001000 r4:dfe3d000 [ 1324.746438][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.746485][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.746542][ T32] r5:84a2438c r4:84a24000 [ 1324.746579][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.746634][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.746657][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.746706][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.746730][ T32] r4:84ab5800 [ 1324.746750][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.746821][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.746848][ T32] r4:00000001 [ 1324.746868][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.746929][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.746961][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.746991][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.747041][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.747075][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.747120][ T32] r4:84ab0640 [ 1324.747144][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.747173][ T32] INFO: task kworker/0:28:3167 blocked for more than 451 seconds. [ 1324.747202][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.747227][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.747248][ T32] task:kworker/0:28 state:D stack:0 pid:3167 tgid:3167 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.747312][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.747388][ T32] Call trace: [ 1324.747425][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.747476][ T32] r10:8291a684 r9:dfb35d84 r8:00000002 r7:60000013 r6:dfb35d8c r5:84026000 [ 1324.747500][ T32] r4:84026000 [ 1324.747520][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.747578][ T32] r5:84026000 r4:8291a680 [ 1324.747603][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.747674][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.747763][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb35e08 [ 1324.747789][ T32] r4:00000000 [ 1324.747833][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.747880][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.747953][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.748029][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c6980 [ 1324.748106][ T32] r4:00000000 [ 1324.748165][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.748218][ T32] r9:83018005 r8:84026000 r7:00000000 r6:83018000 r5:00001000 r4:7f065000 [ 1324.748241][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.748287][ T32] r5:00001000 r4:e052b000 [ 1324.748308][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.748353][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.748412][ T32] r5:841de38c r4:841de000 [ 1324.748476][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.748606][ T32] r7:dddced80 r6:83018000 r5:841de38c r4:848e5200 [ 1324.748658][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.748755][ T32] r10:61c88647 r9:84026000 r8:848e522c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.748808][ T32] r4:848e5200 [ 1324.748876][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.749011][ T32] r10:00000000 r9:848e5200 r8:80287e08 r7:dfae9e60 r6:849d2f00 r5:84026000 [ 1324.749073][ T32] r4:00000001 [ 1324.749141][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.749257][ T32] Exception stack(0xdfb35fb0 to 0xdfb35ff8) [ 1324.749441][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.775238][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.775375][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.775448][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.775501][ T32] r4:84697040 [ 1324.776219][ T32] INFO: task kworker/0:28:3167 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.776301][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.776464][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.776647][ T32] Call trace: [ 1324.776721][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.776843][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.776928][ T32] r4:00000000 [ 1324.777072][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.777185][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.777334][ T32] dd20: 9b56e000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.777381][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.777622][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.777654][ T32] r5:800d0013 r4:80239bb0 [ 1324.777678][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.777791][ T32] r4:82ac21e4 [ 1324.778030][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.778084][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.778108][ T32] r4:e044ddc0 [ 1324.778128][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.778318][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.778360][ T32] r4:00000000 [ 1324.778384][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.778437][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.778462][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.778507][ T32] r5:00001000 r4:dfe3d000 [ 1324.778528][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.778570][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.778615][ T32] r5:84a2438c r4:84a24000 [ 1324.778638][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.778691][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.778713][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.778761][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.778785][ T32] r4:84ab5800 [ 1324.778805][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.778985][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.779111][ T32] r4:00000001 [ 1324.779308][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.797580][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.797728][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.797800][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.797894][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.797979][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.798041][ T32] r4:84ab0640 [ 1324.798099][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.798217][ T32] INFO: task kworker/1:4:3170 blocked for more than 451 seconds. [ 1324.798370][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.798458][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.798539][ T32] task:kworker/1:4 state:D stack:0 pid:3170 tgid:3170 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.798673][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.798808][ T32] Call trace: [ 1324.798885][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.799009][ T32] r10:8291a684 r9:df9e5d84 r8:00000002 r7:60000113 r6:df9e5d8c r5:833e6c00 [ 1324.799069][ T32] r4:833e6c00 [ 1324.799122][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.799219][ T32] r5:833e6c00 r4:8291a680 [ 1324.799268][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.813127][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.813258][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9e5e08 [ 1324.813286][ T32] r4:00000000 [ 1324.813310][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.813361][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.813405][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.813449][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fba00 [ 1324.813474][ T32] r4:00000000 [ 1324.813496][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.813546][ T32] r9:83018205 r8:833e6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f093000 [ 1324.813569][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.813658][ T32] r5:00001000 r4:ebc5d000 [ 1324.813776][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.813828][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.813876][ T32] r5:856ff78c r4:856ff400 [ 1324.813936][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.813994][ T32] r7:ddde2d80 r6:83018200 r5:856ff78c r4:849d2f80 [ 1324.814020][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.814074][ T32] r10:61c88647 r9:833e6c00 r8:849d2fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.814169][ T32] r4:849d2f80 [ 1324.814197][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.814250][ T32] r10:00000000 r9:849d2f80 r8:80287e08 r7:df935e60 r6:849d2300 r5:833e6c00 [ 1324.814274][ T32] r4:00000001 [ 1324.814295][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.814410][ T32] Exception stack(0xdf9e5fb0 to 0xdf9e5ff8) [ 1324.814897][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.815124][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.815158][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.815230][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.815295][ T32] r4:84699000 [ 1324.815830][ T32] INFO: task kworker/1:4:3170 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.815908][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.816132][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.816193][ T32] Call trace: [ 1324.816342][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.816406][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.816431][ T32] r4:00000000 [ 1324.816451][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.816494][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.816575][ T32] dd20: 9b725000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.816703][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.816833][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.816866][ T32] r5:800d0013 r4:80239bb0 [ 1324.816920][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.816973][ T32] r4:82ac21e4 [ 1324.817025][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.817078][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.817102][ T32] r4:e044ddc0 [ 1324.817155][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.817268][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.817298][ T32] r4:00000000 [ 1324.817321][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.817381][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.817467][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.817590][ T32] r5:00001000 r4:dfe3d000 [ 1324.817626][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.817672][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.817739][ T32] r5:84a2438c r4:84a24000 [ 1324.817833][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.817949][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.818066][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.818153][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.818274][ T32] r4:84ab5800 [ 1324.818327][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.818391][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.818434][ T32] r4:00000001 [ 1324.818478][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.818550][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.818601][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.818633][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.818661][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.818722][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.818752][ T32] r4:84ab0640 [ 1324.818776][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.818872][ T32] INFO: task kworker/1:5:3172 blocked for more than 451 seconds. [ 1324.818919][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.818947][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.819000][ T32] task:kworker/1:5 state:D stack:0 pid:3172 tgid:3172 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.819179][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.819335][ T32] Call trace: [ 1324.840370][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.840471][ T32] r10:8291a684 r9:dfb29d84 r8:00000002 r7:60000113 r6:dfb29d8c r5:83be8000 [ 1324.840531][ T32] r4:83be8000 [ 1324.840608][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.840697][ T32] r5:83be8000 r4:8291a680 [ 1324.840726][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.840773][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.840819][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb29e08 [ 1324.840844][ T32] r4:00000000 [ 1324.840865][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.840901][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.840943][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.840987][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fb900 [ 1324.841011][ T32] r4:00000000 [ 1324.841034][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.841148][ T32] r9:83018205 r8:83be8000 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1324.841178][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.841243][ T32] r5:00001000 r4:ebb0d000 [ 1324.841300][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.841355][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.841499][ T32] r5:856ff38c r4:856ff000 [ 1324.841560][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.841628][ T32] r7:ddde2d80 r6:83018200 r5:856ff38c r4:849d2280 [ 1324.841652][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.841704][ T32] r10:61c88647 r9:83be8000 r8:849d22ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.841727][ T32] r4:849d2280 [ 1324.841747][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.841826][ T32] r10:00000000 r9:849d2280 r8:80287e08 r7:df9e5e60 r6:849d2200 r5:83be8000 [ 1324.841855][ T32] r4:00000001 [ 1324.841877][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.841919][ T32] Exception stack(0xdfb29fb0 to 0xdfb29ff8) [ 1324.841982][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.842035][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.842067][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.842131][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.842191][ T32] r4:84699240 [ 1324.842664][ T32] INFO: task kworker/1:5:3172 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.842706][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.842857][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.842911][ T32] Call trace: [ 1324.842978][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.843040][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.843126][ T32] r4:00000000 [ 1324.843154][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.843241][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.843343][ T32] dd20: 9ba87000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.843380][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.843408][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.843433][ T32] r5:800d0013 r4:80239bb0 [ 1324.843454][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.843498][ T32] r4:82ac21e4 [ 1324.843595][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.843648][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.843673][ T32] r4:e044ddc0 [ 1324.843708][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.843758][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.843811][ T32] r4:00000000 [ 1324.843838][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.843889][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.843912][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.843957][ T32] r5:00001000 r4:dfe3d000 [ 1324.844008][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.844062][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.844109][ T32] r5:84a2438c r4:84a24000 [ 1324.844130][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.844211][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.844239][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.844291][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.844315][ T32] r4:84ab5800 [ 1324.844335][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.844393][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.844417][ T32] r4:00000001 [ 1324.844437][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.844529][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.844577][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.844616][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.844683][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.844805][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.844874][ T32] r4:84ab0640 [ 1324.844949][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.845018][ T32] INFO: task kworker/1:6:3177 blocked for more than 451 seconds. [ 1324.845121][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.845239][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.845313][ T32] task:kworker/1:6 state:D stack:0 pid:3177 tgid:3177 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.845622][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.845676][ T32] Call trace: [ 1324.845745][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.845888][ T32] r10:8291a684 r9:dfb59d84 r8:00000002 r7:60000113 r6:dfb59d8c r5:83bdbc00 [ 1324.845918][ T32] r4:83bdbc00 [ 1324.845940][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.845988][ T32] r5:83bdbc00 r4:8291a680 [ 1324.846194][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.846240][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.846285][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb59e08 [ 1324.846308][ T32] r4:00000000 [ 1324.846422][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.846467][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.846504][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.846548][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fbbc0 [ 1324.846572][ T32] r4:00000000 [ 1324.846593][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.846640][ T32] r9:83018205 r8:83bdbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 [ 1324.846663][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.846707][ T32] r5:00001000 r4:ebcb5000 [ 1324.846727][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.846854][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.847114][ T32] r5:856fff8c r4:856ffc00 [ 1324.847161][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.847359][ T32] r7:ddde2d80 r6:83018200 r5:856fff8c r4:849d2100 [ 1324.847404][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.847458][ T32] r10:61c88647 r9:83bdbc00 r8:849d212c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.847530][ T32] r4:849d2100 [ 1324.847600][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.847666][ T32] r10:00000000 r9:849d2100 r8:80287e08 r7:ebce9e60 r6:849d2180 r5:83bdbc00 [ 1324.847691][ T32] r4:00000001 [ 1324.847752][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.847815][ T32] Exception stack(0xdfb59fb0 to 0xdfb59ff8) [ 1324.847844][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.847874][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.847917][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.847952][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.848070][ T32] r4:84699280 [ 1324.848447][ T32] INFO: task kworker/1:6:3177 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.848566][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.848691][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.848743][ T32] Call trace: [ 1324.848775][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.848919][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.848951][ T32] r4:00000000 [ 1324.849032][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.849090][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.849122][ T32] dd20: 9ba87000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.849222][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.880709][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.880863][ T32] r5:800d0013 r4:80239bb0 [ 1324.880894][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.880974][ T32] r4:82ac21e4 [ 1324.881000][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.881053][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.881080][ T32] r4:e044ddc0 [ 1324.881133][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.881223][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.881282][ T32] r4:00000000 [ 1324.881374][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.881436][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.881463][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.881519][ T32] r5:00001000 r4:dfe3d000 [ 1324.881543][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.881590][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.881657][ T32] r5:84a2438c r4:84a24000 [ 1324.881752][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.881824][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.881849][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.881939][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.881971][ T32] r4:84ab5800 [ 1324.881996][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.882076][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.882146][ T32] r4:00000001 [ 1324.882190][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.882310][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.882368][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.882405][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.882452][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.882490][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.882517][ T32] r4:84ab0640 [ 1324.882546][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.882646][ T32] INFO: task kworker/1:7:3178 blocked for more than 451 seconds. [ 1324.882690][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.882732][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.882793][ T32] task:kworker/1:7 state:D stack:0 pid:3178 tgid:3178 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.882865][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.882930][ T32] Call trace: [ 1324.883027][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.883114][ T32] r10:8291a684 r9:dfb65d84 r8:00000002 r7:60000113 r6:dfb65d8c r5:83bdec00 [ 1324.883202][ T32] r4:83bdec00 [ 1324.883265][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.883322][ T32] r5:83bdec00 r4:8291a680 [ 1324.883364][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.883408][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.883454][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb65e08 [ 1324.883515][ T32] r4:00000000 [ 1324.883545][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.883659][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.883704][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.883748][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fbf00 [ 1324.883771][ T32] r4:00000000 [ 1324.883819][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.883921][ T32] r9:83018205 r8:83bdec00 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1324.884196][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.884249][ T32] r5:00001000 r4:ebcd9000 [ 1324.884271][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.884349][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.884544][ T32] r5:8582cb8c r4:8582c800 [ 1324.884595][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.884668][ T32] r7:ddde2d80 r6:83018200 r5:8582cb8c r4:849d2000 [ 1324.884725][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.884836][ T32] r10:61c88647 r9:83bdec00 r8:849d202c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.884907][ T32] r4:849d2000 [ 1324.884935][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.884987][ T32] r10:00000000 r9:849d2000 r8:80287e08 r7:dfb59e60 r6:849d2080 r5:83bdec00 [ 1324.885033][ T32] r4:00000001 [ 1324.885058][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.885097][ T32] Exception stack(0xdfb65fb0 to 0xdfb65ff8) [ 1324.885156][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.885192][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.885225][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.885274][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.885353][ T32] r4:84699280 [ 1324.885836][ T32] INFO: task kworker/1:7:3178 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.885876][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.885960][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.886034][ T32] Call trace: [ 1324.886101][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.886161][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.886187][ T32] r4:00000000 [ 1324.886208][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.886249][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.886359][ T32] dd20: 9bdd4000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.886405][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.886513][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.886544][ T32] r5:800d0013 r4:80239bb0 [ 1324.886614][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.886711][ T32] r4:82ac21e4 [ 1324.886739][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.886786][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.886811][ T32] r4:e044ddc0 [ 1324.886845][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.886893][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.886916][ T32] r4:00000000 [ 1324.886939][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.886987][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.887008][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.887055][ T32] r5:00001000 r4:dfe3d000 [ 1324.887097][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.887225][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.887324][ T32] r5:84a2438c r4:84a24000 [ 1324.887372][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.887424][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.887446][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.887496][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.887536][ T32] r4:84ab5800 [ 1324.887562][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.887613][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.887734][ T32] r4:00000001 [ 1324.887760][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.887829][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.887868][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.887898][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.887926][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.887971][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.887999][ T32] r4:84ab0640 [ 1324.888026][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.888055][ T32] INFO: task kworker/1:8:3181 blocked for more than 451 seconds. [ 1324.888253][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.888290][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.888313][ T32] task:kworker/1:8 state:D stack:0 pid:3181 tgid:3181 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.888434][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.888623][ T32] Call trace: [ 1324.888675][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.888730][ T32] r10:8291a684 r9:df98dd84 r8:00000002 r7:60000113 r6:df98dd8c r5:83bdb000 [ 1324.888754][ T32] r4:83bdb000 [ 1324.888777][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.888824][ T32] r5:83bdb000 r4:8291a680 [ 1324.888994][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.889055][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.889152][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df98de08 [ 1324.889182][ T32] r4:00000000 [ 1324.889203][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.889241][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.889276][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.889386][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fbd00 [ 1324.910176][ T32] r4:00000000 [ 1324.910307][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.910487][ T32] r9:83018205 r8:83bdb000 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1324.910528][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.910621][ T32] r5:00001000 r4:ebcc1000 [ 1324.910648][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.910694][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.910741][ T32] r5:8582c38c r4:8582c000 [ 1324.910778][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.910836][ T32] r7:ddde2d80 r6:83018200 r5:8582c38c r4:844ae200 [ 1324.910889][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.910968][ T32] r10:61c88647 r9:83bdb000 r8:844ae22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.911043][ T32] r4:844ae200 [ 1324.911070][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.911124][ T32] r10:00000000 r9:844ae200 r8:80287e08 r7:dfb65e60 r6:844ae180 r5:83bdb000 [ 1324.911149][ T32] r4:00000001 [ 1324.911171][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.911213][ T32] Exception stack(0xdf98dfb0 to 0xdf98dff8) [ 1324.911245][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.911293][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.911326][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.911368][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.911425][ T32] r4:84699b00 [ 1324.911952][ T32] INFO: task kworker/1:8:3181 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.912030][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.912249][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.912317][ T32] Call trace: [ 1324.912386][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.912448][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.912473][ T32] r4:00000000 [ 1324.912494][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.912565][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.912596][ T32] dd20: 9c064000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.912627][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.912654][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.912679][ T32] r5:800d0013 r4:80239bb0 [ 1324.912700][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.912744][ T32] r4:82ac21e4 [ 1324.912766][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.912810][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.912851][ T32] r4:e044ddc0 [ 1324.912879][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.912943][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.912971][ T32] r4:00000000 [ 1324.912993][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.913044][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.913077][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.913124][ T32] r5:00001000 r4:dfe3d000 [ 1324.913146][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.913189][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.913250][ T32] r5:84a2438c r4:84a24000 [ 1324.913277][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.913328][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.913358][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.913410][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.913435][ T32] r4:84ab5800 [ 1324.913505][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.913602][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.913631][ T32] r4:00000001 [ 1324.913652][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.913771][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.913804][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.913834][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.913865][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.913896][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.913920][ T32] r4:84ab0640 [ 1324.913942][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.913994][ T32] INFO: task kworker/1:9:3183 blocked for more than 451 seconds. [ 1324.914034][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.914062][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.914085][ T32] task:kworker/1:9 state:D stack:0 pid:3183 tgid:3183 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.914266][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.914374][ T32] Call trace: [ 1324.914413][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.914465][ T32] r10:8291a684 r9:dfb7dd84 r8:00000002 r7:60000113 r6:dfb7dd8c r5:83bd8c00 [ 1324.914551][ T32] r4:83bd8c00 [ 1324.914579][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.914667][ T32] r5:83bd8c00 r4:8291a680 [ 1324.914693][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.914736][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.914926][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb7de08 [ 1324.914955][ T32] r4:00000000 [ 1324.915013][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.915059][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.915096][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.915184][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815580 [ 1324.915215][ T32] r4:00000000 [ 1324.915236][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.915284][ T32] r9:83018205 r8:83bd8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b9000 [ 1324.915306][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.915358][ T32] r5:00001000 r4:ec515000 [ 1324.915406][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.915666][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.915717][ T32] r5:8582df8c r4:8582dc00 [ 1324.915739][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.915907][ T32] r7:ddde2d80 r6:83018200 r5:8582df8c r4:84696000 [ 1324.916030][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.916086][ T32] r10:61c88647 r9:83bd8c00 r8:8469602c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.916112][ T32] r4:84696000 [ 1324.916134][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.916227][ T32] r10:00000000 r9:84696000 r8:80287e08 r7:dfb65e60 r6:84696080 r5:83bd8c00 [ 1324.916288][ T32] r4:00000001 [ 1324.916314][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.916389][ T32] Exception stack(0xdfb7dfb0 to 0xdfb7dff8) [ 1324.916421][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.916452][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.916480][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.916529][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.916556][ T32] r4:846999c0 [ 1324.916842][ T32] INFO: task kworker/1:9:3183 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.916896][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.916979][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.917056][ T32] Call trace: [ 1324.917092][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.917147][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.917171][ T32] r4:00000000 [ 1324.917192][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.917233][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.917262][ T32] dd20: 9c064000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.917413][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.917448][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.917506][ T32] r5:800d0013 r4:80239bb0 [ 1324.917533][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.917605][ T32] r4:82ac21e4 [ 1324.917650][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.917700][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.917788][ T32] r4:e044ddc0 [ 1324.917845][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.917924][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.917952][ T32] r4:00000000 [ 1324.918004][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.918081][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.918109][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.918156][ T32] r5:00001000 r4:dfe3d000 [ 1324.918193][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.918241][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.918287][ T32] r5:84a2438c r4:84a24000 [ 1324.918351][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.918405][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.918441][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.918537][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.918584][ T32] r4:84ab5800 [ 1324.918612][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.918664][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.918689][ T32] r4:00000001 [ 1324.918710][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.918748][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.918777][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.918827][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.918894][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.918961][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.919107][ T32] r4:84ab0640 [ 1324.919133][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.919163][ T32] INFO: task kworker/1:10:3185 blocked for more than 451 seconds. [ 1324.919198][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.919247][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.919357][ T32] task:kworker/1:10 state:D stack:0 pid:3185 tgid:3185 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.956464][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.956580][ T32] Call trace: [ 1324.956620][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.956688][ T32] r10:8291a684 r9:dfb89d84 r8:00000002 r7:60000113 r6:dfb89d8c r5:83bd8000 [ 1324.956715][ T32] r4:83bd8000 [ 1324.956739][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.957010][ T32] r5:83bd8000 r4:8291a680 [ 1324.957048][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.957229][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.957380][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb89e08 [ 1324.957420][ T32] r4:00000000 [ 1324.957482][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.957528][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.957572][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.957620][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fbfc0 [ 1324.957663][ T32] r4:00000000 [ 1324.957690][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.957751][ T32] r9:83018205 r8:83bd8000 r7:00000000 r6:83018200 r5:00001000 r4:7f0b1000 [ 1324.957775][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.957826][ T32] r5:00001000 r4:ebcef000 [ 1324.957880][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.957954][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.958007][ T32] r5:8582cf8c r4:8582cc00 [ 1324.958127][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.958208][ T32] r7:ddde2d80 r6:83018200 r5:8582cf8c r4:84696100 [ 1324.958235][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.958346][ T32] r10:61c88647 r9:83bd8000 r8:8469612c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.958393][ T32] r4:84696100 [ 1324.958420][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.958567][ T32] r10:00000000 r9:84696100 r8:80287e08 r7:dfb7de60 r6:84696180 r5:83bd8000 [ 1324.958632][ T32] r4:00000001 [ 1324.958702][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.958755][ T32] Exception stack(0xdfb89fb0 to 0xdfb89ff8) [ 1324.958788][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.958841][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.958875][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.958907][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.958931][ T32] r4:84699280 [ 1324.969349][ T32] INFO: task kworker/1:10:3185 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.970089][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.970227][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.970308][ T32] Call trace: [ 1324.970374][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.970476][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.970507][ T32] r4:00000000 [ 1324.970562][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.970653][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.970719][ T32] dd20: 9c492000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.970756][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.970784][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.970812][ T32] r5:800d0013 r4:80239bb0 [ 1324.970835][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.970882][ T32] r4:82ac21e4 [ 1324.970904][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.970979][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.971007][ T32] r4:e044ddc0 [ 1324.971034][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.971081][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.971144][ T32] r4:00000000 [ 1324.971198][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.971255][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.971279][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.971325][ T32] r5:00001000 r4:dfe3d000 [ 1324.971359][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.971403][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.971451][ T32] r5:84a2438c r4:84a24000 [ 1324.971473][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.971524][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.971546][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.971636][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.971665][ T32] r4:84ab5800 [ 1324.971716][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.971772][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.971796][ T32] r4:00000001 [ 1324.971816][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.971867][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.971898][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.971945][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.971976][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.972008][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.972061][ T32] r4:84ab0640 [ 1324.972092][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.972126][ T32] INFO: task kworker/1:11:3186 blocked for more than 451 seconds. [ 1324.972164][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.972191][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.972212][ T32] task:kworker/1:11 state:D stack:0 pid:3186 tgid:3186 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.972263][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.972307][ T32] Call trace: [ 1324.972349][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.972428][ T32] r10:8291a684 r9:dfb95d84 r8:00000002 r7:60000113 r6:dfb95d8c r5:83bdc800 [ 1324.972485][ T32] r4:83bdc800 [ 1324.972549][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.972638][ T32] r5:83bdc800 r4:8291a680 [ 1324.972662][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.972722][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.972775][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb95e08 [ 1324.972800][ T32] r4:00000000 [ 1324.972855][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.972899][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.972937][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.972980][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815480 [ 1324.973003][ T32] r4:00000000 [ 1324.973024][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.973070][ T32] r9:83018205 r8:83bdc800 r7:00000000 r6:83018200 r5:00001000 r4:7f0b7000 [ 1324.973094][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.973137][ T32] r5:00001000 r4:ec50d000 [ 1324.973158][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.973229][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.973279][ T32] r5:8582db8c r4:8582d800 [ 1324.973300][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.973355][ T32] r7:ddde2d80 r6:83018200 r5:8582db8c r4:84696200 [ 1324.973378][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.973427][ T32] r10:61c88647 r9:83bdc800 r8:8469622c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.973450][ T32] r4:84696200 [ 1324.973792][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.973849][ T32] r10:00000000 r9:84696200 r8:80287e08 r7:dfb7de60 r6:84696280 r5:83bdc800 [ 1324.973877][ T32] r4:00000001 [ 1324.973921][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.974002][ T32] Exception stack(0xdfb95fb0 to 0xdfb95ff8) [ 1324.974059][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.974115][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.974186][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.974222][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.974277][ T32] r4:84699d00 [ 1324.974754][ T32] INFO: task kworker/1:11:3186 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1324.974794][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.974955][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.975005][ T32] Call trace: [ 1324.975040][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1324.975140][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1324.975171][ T32] r4:00000000 [ 1324.975192][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.975262][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1324.975389][ T32] dd20: 9c492000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1324.975424][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1324.975452][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1324.975478][ T32] r5:800d0013 r4:80239bb0 [ 1324.975500][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.975543][ T32] r4:82ac21e4 [ 1324.975666][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.975716][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1324.975742][ T32] r4:e044ddc0 [ 1324.975823][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.975873][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1324.976059][ T32] r4:00000000 [ 1324.976109][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.976201][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1324.976226][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.976275][ T32] r5:00001000 r4:dfe3d000 [ 1324.976297][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.976348][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.976397][ T32] r5:84a2438c r4:84a24000 [ 1324.976418][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.976552][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1324.976605][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.976674][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.976702][ T32] r4:84ab5800 [ 1324.977013][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.977136][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1324.977165][ T32] r4:00000001 [ 1324.977186][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.977223][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1324.977252][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.977282][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.977310][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.977354][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1324.977398][ T32] r4:84ab0640 [ 1324.977424][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.977454][ T32] INFO: task kworker/0:29:3188 blocked for more than 451 seconds. [ 1324.977570][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1324.977612][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.977637][ T32] task:kworker/0:29 state:D stack:0 pid:3188 tgid:3188 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.977693][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.977740][ T32] Call trace: [ 1324.978033][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1324.978160][ T32] r10:8291a684 r9:dfb51d84 r8:00000002 r7:60000113 r6:dfb51d8c r5:83ac8c00 [ 1324.978321][ T32] r4:83ac8c00 [ 1324.978406][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1324.978513][ T32] r5:83ac8c00 r4:8291a680 [ 1324.978542][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.978588][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.978813][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb51e08 [ 1324.978876][ T32] r4:00000000 [ 1324.978914][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1324.978954][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1324.978996][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1324.979046][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b7a500 [ 1324.979069][ T32] r4:00000000 [ 1324.979091][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1324.979140][ T32] r9:83018005 r8:83ac8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f14d000 [ 1324.979162][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1324.979207][ T32] r5:00001000 r4:ec779000 [ 1324.979228][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1324.998616][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.998887][ T32] r5:85bc3f8c r4:85bc3c00 [ 1324.998950][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1324.999050][ T32] r7:dddced80 r6:83018000 r5:85bc3f8c r4:848e5280 [ 1324.999085][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1324.999147][ T32] r10:61c88647 r9:83ac8c00 r8:848e52ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.999174][ T32] r4:848e5280 [ 1324.999234][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1324.999460][ T32] r10:00000000 r9:848e5280 r8:80287e08 r7:dfae9e60 r6:848e5300 r5:83ac8c00 [ 1325.005397][ T32] r4:00000001 [ 1325.005451][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.005523][ T32] Exception stack(0xdfb51fb0 to 0xdfb51ff8) [ 1325.005558][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.005590][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.005619][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.005672][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.005702][ T32] r4:846974c0 [ 1325.006169][ T32] INFO: task kworker/0:29:3188 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.006224][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.006345][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.006579][ T32] Call trace: [ 1325.006692][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.006766][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.006794][ T32] r4:00000000 [ 1325.006816][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.006861][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.006892][ T32] dd20: 9c735000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.006923][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.006970][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.007000][ T32] r5:800d0013 r4:80239bb0 [ 1325.007026][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.007091][ T32] r4:82ac21e4 [ 1325.007119][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.007167][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.007220][ T32] r4:e044ddc0 [ 1325.007246][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.007293][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.007317][ T32] r4:00000000 [ 1325.007346][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.007403][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.007427][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.007474][ T32] r5:00001000 r4:dfe3d000 [ 1325.007495][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.007537][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.007582][ T32] r5:84a2438c r4:84a24000 [ 1325.007642][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.007699][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.007722][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.007786][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.007814][ T32] r4:84ab5800 [ 1325.007836][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.007995][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.008031][ T32] r4:00000001 [ 1325.008053][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.008092][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.008121][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.008151][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.008179][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.008209][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.008233][ T32] r4:84ab0640 [ 1325.008271][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.008308][ T32] INFO: task kworker/0:31:3192 blocked for more than 451 seconds. [ 1325.008356][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.008386][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.008410][ T32] task:kworker/0:31 state:D stack:0 pid:3192 tgid:3192 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.008474][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.008547][ T32] Call trace: [ 1325.008605][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.008663][ T32] r10:8291a684 r9:dfba1d84 r8:00000002 r7:60000113 r6:dfba1d8c r5:83acb000 [ 1325.008689][ T32] r4:83acb000 [ 1325.008712][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.008757][ T32] r5:83acb000 r4:8291a680 [ 1325.008778][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.008877][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.008968][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfba1e08 [ 1325.009029][ T32] r4:00000000 [ 1325.009057][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.009096][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.009133][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.009177][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b19440 [ 1325.009221][ T32] r4:00000000 [ 1325.023185][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.023418][ T32] r9:83018005 r8:83acb000 r7:00000000 r6:83018000 r5:00001000 r4:7f121000 [ 1325.023453][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.023557][ T32] r5:00001000 r4:df90f000 [ 1325.023590][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.023644][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.023713][ T32] r5:841def8c r4:841dec00 [ 1325.023740][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.023794][ T32] r7:dddced80 r6:83018000 r5:841def8c r4:848e5500 [ 1325.023817][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.023869][ T32] r10:61c88647 r9:83acb000 r8:848e552c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.023894][ T32] r4:848e5500 [ 1325.023915][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.023981][ T32] r10:00000000 r9:848e5500 r8:80287e08 r7:dfb79e60 r6:848e5580 r5:83acb000 [ 1325.024028][ T32] r4:00000001 [ 1325.024054][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.024096][ T32] Exception stack(0xdfba1fb0 to 0xdfba1ff8) [ 1325.024130][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.024161][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.024191][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.024222][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.024263][ T32] r4:846976c0 [ 1325.024752][ T32] INFO: task kworker/0:31:3192 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.024795][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.024944][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.025050][ T32] Call trace: [ 1325.025092][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.025151][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.025176][ T32] r4:00000000 [ 1325.025196][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.025239][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.025268][ T32] dd20: 9c982000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.025299][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.025347][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.025379][ T32] r5:800d0013 r4:80239bb0 [ 1325.025432][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.025512][ T32] r4:82ac21e4 [ 1325.025547][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.025595][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.025621][ T32] r4:e044ddc0 [ 1325.025654][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.025739][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.025837][ T32] r4:00000000 [ 1325.025876][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.025961][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.025990][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.026069][ T32] r5:00001000 r4:dfe3d000 [ 1325.026096][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.026140][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.026186][ T32] r5:84a2438c r4:84a24000 [ 1325.026206][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.026275][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.026304][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.026363][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.026416][ T32] r4:84ab5800 [ 1325.026440][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.026491][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.026515][ T32] r4:00000001 [ 1325.026535][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.026600][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.026641][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.026672][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.026715][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.026751][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.026794][ T32] r4:84ab0640 [ 1325.026821][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.026875][ T32] INFO: task kworker/1:12:3195 blocked for more than 451 seconds. [ 1325.026915][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.026944][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.026966][ T32] task:kworker/1:12 state:D stack:0 pid:3195 tgid:3195 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.027020][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.027067][ T32] Call trace: [ 1325.027100][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.027151][ T32] r10:8291a684 r9:dfbbdd84 r8:00000002 r7:60000013 r6:dfbbdd8c r5:83acd400 [ 1325.027176][ T32] r4:83acd400 [ 1325.027197][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.027241][ T32] r5:83acd400 r4:8291a680 [ 1325.027262][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.027326][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.027381][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbbde08 [ 1325.027407][ T32] r4:00000000 [ 1325.027456][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.027498][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.027535][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.027580][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815780 [ 1325.027641][ T32] r4:00000000 [ 1325.027668][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.027750][ T32] r9:83018205 r8:83acd400 r7:00000000 r6:83018200 r5:00001000 r4:7f0bd000 [ 1325.027791][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.027871][ T32] r5:00001000 r4:ec525000 [ 1325.027897][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.027940][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.028105][ T32] r5:8582e78c r4:8582e400 [ 1325.028131][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.028182][ T32] r7:ddde2d80 r6:83018200 r5:8582e78c r4:84696300 [ 1325.028205][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.028273][ T32] r10:61c88647 r9:83acd400 r8:8469632c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.028331][ T32] r4:84696300 [ 1325.028413][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.028469][ T32] r10:00000000 r9:84696300 r8:80287e08 r7:dfb7de60 r6:848e5700 r5:83acd400 [ 1325.028493][ T32] r4:00000001 [ 1325.028577][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.028633][ T32] Exception stack(0xdfbbdfb0 to 0xdfbbdff8) [ 1325.028678][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.028715][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.028745][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.028788][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.028836][ T32] r4:8469d100 [ 1325.029172][ T32] INFO: task kworker/1:12:3195 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.029237][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.053422][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.053530][ T32] Call trace: [ 1325.053602][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.053679][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.053705][ T32] r4:00000000 [ 1325.053728][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.053829][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.053885][ T32] dd20: 9cc5f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.053922][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.053949][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.054038][ T32] r5:800d0013 r4:80239bb0 [ 1325.054066][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.054149][ T32] r4:82ac21e4 [ 1325.054199][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.054251][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.054278][ T32] r4:e044ddc0 [ 1325.054300][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.054352][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.054377][ T32] r4:00000000 [ 1325.054398][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.054480][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.054540][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.054598][ T32] r5:00001000 r4:dfe3d000 [ 1325.054623][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.054709][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.054791][ T32] r5:84a2438c r4:84a24000 [ 1325.054851][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.054913][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.054936][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.054988][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.055013][ T32] r4:84ab5800 [ 1325.055036][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.055085][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.055108][ T32] r4:00000001 [ 1325.055130][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.055168][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.055195][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.055225][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.055253][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.055285][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.055308][ T32] r4:84ab0640 [ 1325.055332][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.055376][ T32] INFO: task kworker/1:13:3196 blocked for more than 451 seconds. [ 1325.055414][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.055440][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.055464][ T32] task:kworker/1:13 state:D stack:0 pid:3196 tgid:3196 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.055549][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.055613][ T32] Call trace: [ 1325.055667][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.055751][ T32] r10:8291a684 r9:dfbc1d84 r8:00000002 r7:60000113 r6:dfbc1d8c r5:83236c00 [ 1325.055785][ T32] r4:83236c00 [ 1325.055809][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.055886][ T32] r5:83236c00 r4:8291a680 [ 1325.055912][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.055956][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.056001][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbc1e08 [ 1325.056024][ T32] r4:00000000 [ 1325.056045][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.056082][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.056118][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.056162][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815680 [ 1325.056186][ T32] r4:00000000 [ 1325.056237][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.056291][ T32] r9:83018205 r8:83236c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0bb000 [ 1325.056315][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.056369][ T32] r5:00001000 r4:ec51d000 [ 1325.056419][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.056467][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.056535][ T32] r5:8582e38c r4:8582e000 [ 1325.056560][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.056612][ T32] r7:ddde2d80 r6:83018200 r5:8582e38c r4:84696380 [ 1325.056658][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.056712][ T32] r10:61c88647 r9:83236c00 r8:846963ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.056767][ T32] r4:84696380 [ 1325.056792][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.056840][ T32] r10:00000000 r9:84696380 r8:80287e08 r7:dfbbde60 r6:848e5780 r5:83236c00 [ 1325.056865][ T32] r4:00000001 [ 1325.056887][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.056924][ T32] Exception stack(0xdfbc1fb0 to 0xdfbc1ff8) [ 1325.056952][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.056982][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.057011][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.057056][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.057084][ T32] r4:8469d100 [ 1325.057575][ T32] INFO: task kworker/1:13:3196 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.057683][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.057800][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.057849][ T32] Call trace: [ 1325.057900][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.057955][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.057979][ T32] r4:00000000 [ 1325.057999][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.058042][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.058071][ T32] dd20: 9cc5f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.058101][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.058164][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.058227][ T32] r5:800d0013 r4:80239bb0 [ 1325.058253][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.058347][ T32] r4:82ac21e4 [ 1325.058372][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.058420][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.058444][ T32] r4:e044ddc0 [ 1325.058466][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.058528][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.058587][ T32] r4:00000000 [ 1325.058655][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.058711][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.058735][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.058810][ T32] r5:00001000 r4:dfe3d000 [ 1325.058837][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.058911][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.058961][ T32] r5:84a2438c r4:84a24000 [ 1325.059009][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.059071][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.059095][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.059145][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.059171][ T32] r4:84ab5800 [ 1325.059211][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.059435][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.067863][ T32] r4:00000001 [ 1325.067924][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.068048][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.068104][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.068157][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.068220][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.068350][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.068382][ T32] r4:84ab0640 [ 1325.068411][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.068446][ T32] INFO: task kworker/1:14:3198 blocked for more than 451 seconds. [ 1325.068483][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.068532][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.068558][ T32] task:kworker/1:14 state:D stack:0 pid:3198 tgid:3198 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.068663][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.068718][ T32] Call trace: [ 1325.068753][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.068811][ T32] r10:8291a684 r9:dfbd5d84 r8:00000002 r7:60000013 r6:dfbd5d8c r5:841f8c00 [ 1325.068835][ T32] r4:841f8c00 [ 1325.068856][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.068918][ T32] r5:841f8c00 r4:8291a680 [ 1325.068946][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.068989][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.069057][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbd5e08 [ 1325.069086][ T32] r4:00000000 [ 1325.069107][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.069145][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.069194][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.069414][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815980 [ 1325.084014][ T32] r4:00000000 [ 1325.084069][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.084175][ T32] r9:83018205 r8:841f8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0c1000 [ 1325.084240][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.084309][ T32] r5:00001000 r4:ec535000 [ 1325.084334][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.084459][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.084542][ T32] r5:8582ef8c r4:8582ec00 [ 1325.084569][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.084644][ T32] r7:ddde2d80 r6:83018200 r5:8582ef8c r4:84696400 [ 1325.084672][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.084725][ T32] r10:61c88647 r9:841f8c00 r8:8469642c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.084750][ T32] r4:84696400 [ 1325.084772][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.084838][ T32] r10:00000000 r9:84696400 r8:80287e08 r7:dfbbde60 r6:848e5800 r5:841f8c00 [ 1325.084903][ T32] r4:00000001 [ 1325.084942][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.085019][ T32] Exception stack(0xdfbd5fb0 to 0xdfbd5ff8) [ 1325.085068][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.085136][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.085170][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.085202][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.085286][ T32] r4:8469d300 [ 1325.085770][ T32] INFO: task kworker/1:14:3198 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.085812][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.085893][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.085986][ T32] Call trace: [ 1325.086057][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.086147][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.086179][ T32] r4:00000000 [ 1325.086201][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.086245][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.086322][ T32] dd20: 9d00f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.086418][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.086450][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.086477][ T32] r5:800d0013 r4:80239bb0 [ 1325.086528][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.086579][ T32] r4:82ac21e4 [ 1325.086615][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.086665][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.086969][ T32] r4:e044ddc0 [ 1325.087173][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.087272][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.087302][ T32] r4:00000000 [ 1325.087324][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.087384][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.087407][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.087465][ T32] r5:00001000 r4:dfe3d000 [ 1325.087493][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.087538][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.087585][ T32] r5:84a2438c r4:84a24000 [ 1325.087609][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.087660][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.087713][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.087770][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.087794][ T32] r4:84ab5800 [ 1325.087816][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.087896][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.087934][ T32] r4:00000001 [ 1325.087956][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.088020][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.088065][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.088100][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.088129][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.088161][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.088184][ T32] r4:84ab0640 [ 1325.088208][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.088240][ T32] INFO: task kworker/1:15:3201 blocked for more than 451 seconds. [ 1325.088279][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.088310][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.088335][ T32] task:kworker/1:15 state:D stack:0 pid:3201 tgid:3201 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.088476][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.088562][ T32] Call trace: [ 1325.088633][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.088687][ T32] r10:8291a684 r9:dfbe9d84 r8:00000002 r7:60000113 r6:dfbe9d8c r5:841fc800 [ 1325.088743][ T32] r4:841fc800 [ 1325.088772][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.088821][ T32] r5:841fc800 r4:8291a680 [ 1325.088857][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.088905][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.088993][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbe9e08 [ 1325.089029][ T32] r4:00000000 [ 1325.089050][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.089088][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.089190][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.089421][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815a80 [ 1325.098626][ T32] r4:00000000 [ 1325.098698][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.098819][ T32] r9:83018205 r8:841fc800 r7:00000000 r6:83018200 r5:00001000 r4:7f0c3000 [ 1325.098852][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.098908][ T32] r5:00001000 r4:ec53d000 [ 1325.098958][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.099008][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.099090][ T32] r5:8582f38c r4:8582f000 [ 1325.099149][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.099230][ T32] r7:ddde2d80 r6:83018200 r5:8582f38c r4:84696480 [ 1325.099284][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.100094][ T32] r10:61c88647 r9:841fc800 r8:846964ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.100138][ T32] r4:84696480 [ 1325.100164][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.100232][ T32] r10:00000000 r9:84696480 r8:80287e08 r7:dfbd5e60 r6:848e5880 r5:841fc800 [ 1325.100256][ T32] r4:00000001 [ 1325.100278][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.100321][ T32] Exception stack(0xdfbe9fb0 to 0xdfbe9ff8) [ 1325.100386][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.100457][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.100493][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.100577][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.100650][ T32] r4:8469d280 [ 1325.101144][ T32] INFO: task kworker/1:15:3201 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.101186][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.101300][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.101424][ T32] Call trace: [ 1325.101498][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.101590][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.101622][ T32] r4:00000000 [ 1325.101645][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.101692][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.101744][ T32] dd20: 9d00f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.101783][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.101843][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.101875][ T32] r5:800d0013 r4:80239bb0 [ 1325.101897][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.101977][ T32] r4:82ac21e4 [ 1325.102004][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.102052][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.102077][ T32] r4:e044ddc0 [ 1325.102142][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.102227][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.102291][ T32] r4:00000000 [ 1325.102319][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.102382][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.102408][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.102455][ T32] r5:00001000 r4:dfe3d000 [ 1325.102477][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.102621][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.102721][ T32] r5:84a2438c r4:84a24000 [ 1325.102780][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.102871][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.102899][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.102952][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.103007][ T32] r4:84ab5800 [ 1325.103040][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.103092][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.103157][ T32] r4:00000001 [ 1325.103183][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.103236][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.103279][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.103380][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.103414][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.103478][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.103506][ T32] r4:84ab0640 [ 1325.103530][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.103596][ T32] INFO: task kworker/1:16:3204 blocked for more than 451 seconds. [ 1325.103678][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.103710][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.103734][ T32] task:kworker/1:16 state:D stack:0 pid:3204 tgid:3204 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.103854][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.103907][ T32] Call trace: [ 1325.103975][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.104034][ T32] r10:8291a684 r9:dfc05d84 r8:00000002 r7:60000013 r6:dfc05d8c r5:83ae5400 [ 1325.104058][ T32] r4:83ae5400 [ 1325.104110][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.104177][ T32] r5:83ae5400 r4:8291a680 [ 1325.104232][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.104280][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.104327][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc05e08 [ 1325.104360][ T32] r4:00000000 [ 1325.104381][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.104420][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.104456][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.104532][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815b80 [ 1325.104591][ T32] r4:00000000 [ 1325.104619][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.104670][ T32] r9:83018205 r8:83ae5400 r7:00000000 r6:83018200 r5:00001000 r4:7f0c5000 [ 1325.104694][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.104800][ T32] r5:00001000 r4:ec549000 [ 1325.104826][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.104872][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.104917][ T32] r5:8582f78c r4:8582f400 [ 1325.104938][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.104987][ T32] r7:ddde2d80 r6:83018200 r5:8582f78c r4:84696500 [ 1325.105033][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.105090][ T32] r10:61c88647 r9:83ae5400 r8:8469652c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.105115][ T32] r4:84696500 [ 1325.105167][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.105237][ T32] r10:00000000 r9:84696500 r8:80287e08 r7:dfbe9e60 r6:848e5900 r5:83ae5400 [ 1325.105267][ T32] r4:00000001 [ 1325.105318][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.105406][ T32] Exception stack(0xdfc05fb0 to 0xdfc05ff8) [ 1325.105536][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.105605][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.105662][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.105713][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.105744][ T32] r4:8469d580 [ 1325.106082][ T32] INFO: task kworker/1:16:3204 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.106120][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.106183][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.106233][ T32] Call trace: [ 1325.106275][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.106332][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.106367][ T32] r4:00000000 [ 1325.106389][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.106432][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.106461][ T32] dd20: 9d00f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.106493][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.106552][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.106583][ T32] r5:800d0013 r4:80239bb0 [ 1325.106607][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.106685][ T32] r4:82ac21e4 [ 1325.106745][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.106795][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.106820][ T32] r4:e044ddc0 [ 1325.106877][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.106959][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.107020][ T32] r4:00000000 [ 1325.107056][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.107137][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.107167][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.107216][ T32] r5:00001000 r4:dfe3d000 [ 1325.107239][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.107283][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.107346][ T32] r5:84a2438c r4:84a24000 [ 1325.107373][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.107426][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.107451][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.107502][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.107570][ T32] r4:84ab5800 [ 1325.107596][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.107650][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.107691][ T32] r4:00000001 [ 1325.107716][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.107755][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.107783][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.107898][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.107932][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.107998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.108060][ T32] r4:84ab0640 [ 1325.108119][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.108183][ T32] INFO: task kworker/1:17:3206 blocked for more than 451 seconds. [ 1325.108220][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.108248][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.108271][ T32] task:kworker/1:17 state:D stack:0 pid:3206 tgid:3206 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.108391][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.108471][ T32] Call trace: [ 1325.108540][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.108608][ T32] r10:8291a684 r9:dfc15d84 r8:00000002 r7:60000113 r6:dfc15d8c r5:83ae3000 [ 1325.108634][ T32] r4:83ae3000 [ 1325.108687][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.108740][ T32] r5:83ae3000 r4:8291a680 [ 1325.108762][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.108803][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.108847][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc15e08 [ 1325.108871][ T32] r4:00000000 [ 1325.108891][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.108958][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.109052][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.109103][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815c80 [ 1325.109127][ T32] r4:00000000 [ 1325.109148][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.109238][ T32] r9:83018205 r8:83ae3000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c7000 [ 1325.109362][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.148925][ T32] r5:00001000 r4:ec551000 [ 1325.149034][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.149160][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.149914][ T32] r5:8582fb8c r4:8582f800 [ 1325.149966][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.150053][ T32] r7:ddde2d80 r6:83018200 r5:8582fb8c r4:84696580 [ 1325.150080][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.150141][ T32] r10:61c88647 r9:83ae3000 r8:846965ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.150167][ T32] r4:84696580 [ 1325.150192][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.150250][ T32] r10:00000000 r9:84696580 r8:80287e08 r7:dfc05e60 r6:848e5980 r5:83ae3000 [ 1325.150277][ T32] r4:00000001 [ 1325.150302][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.150354][ T32] Exception stack(0xdfc15fb0 to 0xdfc15ff8) [ 1325.150393][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.150428][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.150460][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.150496][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.150618][ T32] r4:8469d600 [ 1325.151121][ T32] INFO: task kworker/1:17:3206 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.151164][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.151251][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.151307][ T32] Call trace: [ 1325.151377][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.151444][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.151471][ T32] r4:00000000 [ 1325.151494][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.151558][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.151596][ T32] dd20: 9d41d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.151631][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.151661][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.151815][ T32] r5:800d0013 r4:80239bb0 [ 1325.151854][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.151903][ T32] r4:82ac21e4 [ 1325.151987][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.152158][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.152187][ T32] r4:e044ddc0 [ 1325.152225][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.152274][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.152325][ T32] r4:00000000 [ 1325.152356][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.152414][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.152438][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.152482][ T32] r5:00001000 r4:dfe3d000 [ 1325.152538][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.152587][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.152633][ T32] r5:84a2438c r4:84a24000 [ 1325.152655][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.152705][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.152743][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.152796][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.152820][ T32] r4:84ab5800 [ 1325.152840][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.152889][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.152912][ T32] r4:00000001 [ 1325.152932][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.152984][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.153019][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.153053][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.153109][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.153152][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.153210][ T32] r4:84ab0640 [ 1325.153239][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.153291][ T32] INFO: task kworker/1:18:3207 blocked for more than 451 seconds. [ 1325.153328][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.153364][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.153386][ T32] task:kworker/1:18 state:D stack:0 pid:3207 tgid:3207 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.153436][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.153481][ T32] Call trace: [ 1325.153704][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.153760][ T32] r10:8291a684 r9:dfc19d84 r8:00000002 r7:60000113 r6:dfc19d8c r5:841fec00 [ 1325.153784][ T32] r4:841fec00 [ 1325.153806][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.153885][ T32] r5:841fec00 r4:8291a680 [ 1325.153910][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.153953][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.153996][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc19e08 [ 1325.154021][ T32] r4:00000000 [ 1325.154043][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.154121][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.154170][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.154214][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815d80 [ 1325.154310][ T32] r4:00000000 [ 1325.154397][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.154456][ T32] r9:83018205 r8:841fec00 r7:00000000 r6:83018200 r5:00001000 r4:7f00f000 [ 1325.154481][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.154526][ T32] r5:00001000 r4:dfaa7000 [ 1325.154545][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.154655][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.154712][ T32] r5:8582ff8c r4:8582fc00 [ 1325.154734][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.154799][ T32] r7:ddde2d80 r6:83018200 r5:8582ff8c r4:84696600 [ 1325.154826][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.155004][ T32] r10:61c88647 r9:841fec00 r8:8469662c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.155041][ T32] r4:84696600 [ 1325.155062][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.155111][ T32] r10:00000000 r9:84696600 r8:80287e08 r7:dfc15e60 r6:848e5a00 r5:841fec00 [ 1325.155136][ T32] r4:00000001 [ 1325.155156][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.155226][ T32] Exception stack(0xdfc19fb0 to 0xdfc19ff8) [ 1325.155258][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.155287][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.155346][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.155385][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.155409][ T32] r4:8469d600 [ 1325.155726][ T32] INFO: task kworker/1:18:3207 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.155763][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.155823][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.155919][ T32] Call trace: [ 1325.156081][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.156204][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.156235][ T32] r4:00000000 [ 1325.156302][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.156361][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.156393][ T32] dd20: 9d41d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.156425][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.156451][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.156475][ T32] r5:800d0013 r4:80239bb0 [ 1325.156496][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.156564][ T32] r4:82ac21e4 [ 1325.156606][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.156656][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.156723][ T32] r4:e044ddc0 [ 1325.156771][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.156852][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.157022][ T32] r4:00000000 [ 1325.157060][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.157112][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.157136][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.157180][ T32] r5:00001000 r4:dfe3d000 [ 1325.157217][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.157279][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.157328][ T32] r5:84a2438c r4:84a24000 [ 1325.157384][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.157440][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.157464][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.157514][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.157539][ T32] r4:84ab5800 [ 1325.157559][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.157607][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.157630][ T32] r4:00000001 [ 1325.157650][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.157730][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.157825][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.157860][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.157921][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.158035][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.158072][ T32] r4:84ab0640 [ 1325.158115][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.158358][ T32] INFO: task kworker/1:19:3209 blocked for more than 451 seconds. [ 1325.158408][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.158435][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.158479][ T32] task:kworker/1:19 state:D stack:0 pid:3209 tgid:3209 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.158564][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.158785][ T32] Call trace: [ 1325.158859][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.159112][ T32] r10:8291a684 r9:dfc29d84 r8:00000002 r7:60000113 r6:dfc29d8c r5:83ae3c00 [ 1325.159161][ T32] r4:83ae3c00 [ 1325.159318][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.190534][ T32] r5:83ae3c00 r4:8291a680 [ 1325.190618][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.190708][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.190774][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc29e08 [ 1325.190806][ T32] r4:00000000 [ 1325.190833][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.190882][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.190935][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.191054][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8581c880 [ 1325.191090][ T32] r4:00000000 [ 1325.191147][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.191218][ T32] r9:83018205 r8:83ae3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 [ 1325.191249][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.191374][ T32] r5:00001000 r4:eb79d000 [ 1325.191408][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.191468][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.191531][ T32] r5:85832f8c r4:85832c00 [ 1325.191609][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.191680][ T32] r7:ddde2d80 r6:83018200 r5:85832f8c r4:84696680 [ 1325.191706][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.191763][ T32] r10:61c88647 r9:83ae3c00 r8:846966ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.191818][ T32] r4:84696680 [ 1325.191874][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.191931][ T32] r10:00000000 r9:84696680 r8:80287e08 r7:dfc19e60 r6:848e5a80 r5:83ae3c00 [ 1325.192010][ T32] r4:00000001 [ 1325.192071][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.192123][ T32] Exception stack(0xdfc29fb0 to 0xdfc29ff8) [ 1325.192159][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.192193][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.192223][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.192255][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.192279][ T32] r4:8469d9c0 [ 1325.192998][ T32] INFO: task kworker/1:19:3209 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.193053][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.193180][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.193242][ T32] Call trace: [ 1325.193280][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.193348][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.193378][ T32] r4:00000000 [ 1325.193400][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.193442][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.193586][ T32] dd20: 9d742000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.193687][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.193728][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.193786][ T32] r5:800d0013 r4:80239bb0 [ 1325.193818][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.193907][ T32] r4:82ac21e4 [ 1325.193953][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.194047][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.194113][ T32] r4:e044ddc0 [ 1325.194157][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.194248][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.194294][ T32] r4:00000000 [ 1325.194351][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.194458][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.194506][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.194604][ T32] r5:00001000 r4:dfe3d000 [ 1325.194648][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.194734][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.194830][ T32] r5:84a2438c r4:84a24000 [ 1325.194875][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.194973][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.195028][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.195124][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.195167][ T32] r4:84ab5800 [ 1325.195214][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.195307][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.195387][ T32] r4:00000001 [ 1325.195447][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.195526][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.195583][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.195686][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.195748][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.195805][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.195862][ T32] r4:84ab0640 [ 1325.195924][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.196026][ T32] INFO: task kworker/1:20:3211 blocked for more than 451 seconds. [ 1325.196134][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.196197][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.196243][ T32] task:kworker/1:20 state:D stack:0 pid:3211 tgid:3211 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.196351][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.196449][ T32] Call trace: [ 1325.196533][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.196613][ T32] r10:8291a684 r9:dfc39d84 r8:00000002 r7:60000013 r6:dfc39d8c r5:83896000 [ 1325.196640][ T32] r4:83896000 [ 1325.196974][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.197057][ T32] r5:83896000 r4:8291a680 [ 1325.197107][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.197160][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.197206][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc39e08 [ 1325.197247][ T32] r4:00000000 [ 1325.197274][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.197313][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.197363][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.197408][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815f80 [ 1325.197435][ T32] r4:00000000 [ 1325.197531][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.197590][ T32] r9:83018205 r8:83896000 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 [ 1325.197650][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.197741][ T32] r5:00001000 r4:e0603000 [ 1325.197769][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.197864][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.197944][ T32] r5:8583078c r4:85830400 [ 1325.198007][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.198065][ T32] r7:ddde2d80 r6:83018200 r5:8583078c r4:84696700 [ 1325.198090][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.198170][ T32] r10:61c88647 r9:83896000 r8:8469672c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.198229][ T32] r4:84696700 [ 1325.198253][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.198332][ T32] r10:00000000 r9:84696700 r8:80287e08 r7:dfc29e60 r6:848e5b00 r5:83896000 [ 1325.198427][ T32] r4:00000001 [ 1325.198453][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.198524][ T32] Exception stack(0xdfc39fb0 to 0xdfc39ff8) [ 1325.198557][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.198652][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.198718][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.198761][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.198815][ T32] r4:8469db00 [ 1325.199108][ T32] INFO: task kworker/1:20:3211 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.199159][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.228600][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.228730][ T32] Call trace: [ 1325.228803][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.228877][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.228904][ T32] r4:00000000 [ 1325.228926][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.228971][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.229022][ T32] dd20: 9d995000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.229067][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.229096][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.229123][ T32] r5:800d0013 r4:80239bb0 [ 1325.229307][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.230260][ T32] r4:82ac21e4 [ 1325.230300][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.230433][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.230507][ T32] r4:e044ddc0 [ 1325.230574][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.230671][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.230699][ T32] r4:00000000 [ 1325.230721][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.230775][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.230843][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.231036][ T32] r5:00001000 r4:dfe3d000 [ 1325.231075][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.231124][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.231360][ T32] r5:84a2438c r4:84a24000 [ 1325.231399][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.231566][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.231595][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.231763][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.231953][ T32] r4:84ab5800 [ 1325.231979][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.232036][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.232063][ T32] r4:00000001 [ 1325.232084][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.232141][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.232179][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.232210][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.232245][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.232278][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.232303][ T32] r4:84ab0640 [ 1325.232329][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.232374][ T32] INFO: task kworker/1:21:3212 blocked for more than 451 seconds. [ 1325.232412][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.232441][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.232466][ T32] task:kworker/1:21 state:D stack:0 pid:3212 tgid:3212 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.232552][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.232604][ T32] Call trace: [ 1325.232657][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.232722][ T32] r10:8291a684 r9:dfc3dd84 r8:00000002 r7:60000113 r6:dfc3dd8c r5:83893c00 [ 1325.232747][ T32] r4:83893c00 [ 1325.232767][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.232813][ T32] r5:83893c00 r4:8291a680 [ 1325.232835][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.232875][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.232920][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc3de08 [ 1325.233045][ T32] r4:00000000 [ 1325.233082][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.233129][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.233205][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.233255][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85099180 [ 1325.233284][ T32] r4:00000000 [ 1325.233310][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.233373][ T32] r9:83018205 r8:83893c00 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 [ 1325.233430][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.233481][ T32] r5:00001000 r4:eaeb1000 [ 1325.233502][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.233573][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.233629][ T32] r5:8583138c r4:85831000 [ 1325.233681][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.233735][ T32] r7:ddde2d80 r6:83018200 r5:8583138c r4:84696780 [ 1325.233758][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.233807][ T32] r10:61c88647 r9:83893c00 r8:846967ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.233831][ T32] r4:84696780 [ 1325.233852][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.233898][ T32] r10:00000000 r9:84696780 r8:80287e08 r7:dfc29e60 r6:848e5b80 r5:83893c00 [ 1325.233936][ T32] r4:00000001 [ 1325.233973][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.234063][ T32] Exception stack(0xdfc3dfb0 to 0xdfc3dff8) [ 1325.234097][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.234129][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.234157][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.234187][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.234210][ T32] r4:8469da40 [ 1325.234686][ T32] INFO: task kworker/1:21:3212 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.234761][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.234862][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.234946][ T32] Call trace: [ 1325.234980][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.235041][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.235066][ T32] r4:00000000 [ 1325.235117][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.235166][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.235196][ T32] dd20: 9d995000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.235226][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.235296][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.235327][ T32] r5:800d0013 r4:80239bb0 [ 1325.235357][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.235402][ T32] r4:82ac21e4 [ 1325.235453][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.235504][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.235559][ T32] r4:e044ddc0 [ 1325.235585][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.235647][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.235675][ T32] r4:00000000 [ 1325.235697][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.235775][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.235803][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.235914][ T32] r5:00001000 r4:dfe3d000 [ 1325.236020][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.236109][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.236172][ T32] r5:84a2438c r4:84a24000 [ 1325.236230][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.236284][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.236308][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.236371][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.236395][ T32] r4:84ab5800 [ 1325.236416][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.236466][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.236541][ T32] r4:00000001 [ 1325.236653][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.236698][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.236727][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.236792][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.236907][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.236949][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.236981][ T32] r4:84ab0640 [ 1325.237004][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.237035][ T32] INFO: task kworker/1:22:3214 blocked for more than 451 seconds. [ 1325.237065][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.237090][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.237112][ T32] task:kworker/1:22 state:D stack:0 pid:3214 tgid:3214 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.237161][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.237340][ T32] Call trace: [ 1325.237386][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.237466][ T32] r10:8291a684 r9:dfc4dd84 r8:00000002 r7:60000113 r6:dfc4dd8c r5:83894800 [ 1325.237496][ T32] r4:83894800 [ 1325.237617][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.237668][ T32] r5:83894800 r4:8291a680 [ 1325.237719][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.237829][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.237879][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc4de08 [ 1325.237903][ T32] r4:00000000 [ 1325.237923][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.237987][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.238169][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.238263][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fbf40 [ 1325.238347][ T32] r4:00000000 [ 1325.238375][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.238425][ T32] r9:83018205 r8:83894800 r7:00000000 r6:83018200 r5:00001000 r4:7f02f000 [ 1325.238527][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.238593][ T32] r5:00001000 r4:eaca7000 [ 1325.238619][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.238691][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.238791][ T32] r5:85830f8c r4:85830c00 [ 1325.238815][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.238896][ T32] r7:ddde2d80 r6:83018200 r5:85830f8c r4:84696800 [ 1325.239099][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.239163][ T32] r10:61c88647 r9:83894800 r8:8469682c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.239210][ T32] r4:84696800 [ 1325.239342][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.265744][ T32] r10:00000000 r9:84696800 r8:80287e08 r7:dfc29e60 r6:848e5c00 r5:83894800 [ 1325.265807][ T32] r4:00000001 [ 1325.265871][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.265987][ T32] Exception stack(0xdfc4dfb0 to 0xdfc4dff8) [ 1325.266030][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.266099][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.266133][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.266165][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.266188][ T32] r4:8469dc00 [ 1325.266636][ T32] INFO: task kworker/1:22:3214 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.266678][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.266764][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.266863][ T32] Call trace: [ 1325.267065][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.267176][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.267207][ T32] r4:00000000 [ 1325.267230][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.267276][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.267389][ T32] dd20: 9de1a000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.267427][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.267455][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.267482][ T32] r5:800d0013 r4:80239bb0 [ 1325.267505][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.267563][ T32] r4:82ac21e4 [ 1325.267746][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.267800][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.267856][ T32] r4:e044ddc0 [ 1325.267882][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.267930][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.267954][ T32] r4:00000000 [ 1325.267976][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.268095][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.268154][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.268371][ T32] r5:00001000 r4:dfe3d000 [ 1325.268413][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.268527][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.268599][ T32] r5:84a2438c r4:84a24000 [ 1325.268661][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.268731][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.268778][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.268835][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.268953][ T32] r4:84ab5800 [ 1325.269070][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.269190][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.269250][ T32] r4:00000001 [ 1325.269407][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.280135][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.280262][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.280303][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.280333][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.280379][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.280406][ T32] r4:84ab0640 [ 1325.280476][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.280572][ T32] INFO: task kworker/1:23:3216 blocked for more than 451 seconds. [ 1325.280620][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.280649][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.280674][ T32] task:kworker/1:23 state:D stack:0 pid:3216 tgid:3216 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.280741][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.280812][ T32] Call trace: [ 1325.280871][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.280976][ T32] r10:8291a684 r9:dfc65d84 r8:00000002 r7:60000113 r6:dfc65d8c r5:83896c00 [ 1325.281008][ T32] r4:83896c00 [ 1325.281032][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.281082][ T32] r5:83896c00 r4:8291a680 [ 1325.281103][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.281348][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.281539][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc65e08 [ 1325.281568][ T32] r4:00000000 [ 1325.281590][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.281653][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.281761][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.281811][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8581c040 [ 1325.281835][ T32] r4:00000000 [ 1325.281985][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.282048][ T32] r9:83018205 r8:83896c00 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 [ 1325.282071][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.282117][ T32] r5:00001000 r4:eafa1000 [ 1325.282139][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.282180][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.282285][ T32] r5:8583178c r4:85831400 [ 1325.282398][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.282475][ T32] r7:ddde2d80 r6:83018200 r5:8583178c r4:84696880 [ 1325.282504][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.282558][ T32] r10:61c88647 r9:83896c00 r8:846968ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.282583][ T32] r4:84696880 [ 1325.282604][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.282657][ T32] r10:00000000 r9:84696880 r8:80287e08 r7:dfc29e60 r6:848e5c80 r5:83896c00 [ 1325.282681][ T32] r4:00000001 [ 1325.282801][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.282882][ T32] Exception stack(0xdfc65fb0 to 0xdfc65ff8) [ 1325.283000][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.283038][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.283284][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.283322][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.283358][ T32] r4:8469dc80 [ 1325.283824][ T32] INFO: task kworker/1:23:3216 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.283862][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.284058][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.284108][ T32] Call trace: [ 1325.284203][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.284266][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.284292][ T32] r4:00000000 [ 1325.284312][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.284365][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.284571][ T32] dd20: 9de1a000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.284880][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.284912][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.284977][ T32] r5:800d0013 r4:80239bb0 [ 1325.285004][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.285052][ T32] r4:82ac21e4 [ 1325.285073][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.285153][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.285182][ T32] r4:e044ddc0 [ 1325.285227][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.285276][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.285299][ T32] r4:00000000 [ 1325.285321][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.285376][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.285398][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.285442][ T32] r5:00001000 r4:dfe3d000 [ 1325.285463][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.285542][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.285598][ T32] r5:84a2438c r4:84a24000 [ 1325.285668][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.285761][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.285811][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.285866][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.285890][ T32] r4:84ab5800 [ 1325.285911][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.285960][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.285982][ T32] r4:00000001 [ 1325.286002][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.286042][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.286070][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.286099][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.286127][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.286156][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.286179][ T32] r4:84ab0640 [ 1325.286200][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.286371][ T32] INFO: task kworker/1:24:3219 blocked for more than 451 seconds. [ 1325.286413][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.286439][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.286462][ T32] task:kworker/1:24 state:D stack:0 pid:3219 tgid:3219 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.286516][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.286560][ T32] Call trace: [ 1325.286687][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.286743][ T32] r10:8291a684 r9:dfc79d84 r8:00000002 r7:60000113 r6:dfc79d8c r5:841f9800 [ 1325.286767][ T32] r4:841f9800 [ 1325.286870][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.286921][ T32] r5:841f9800 r4:8291a680 [ 1325.286943][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.286984][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.287068][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc79e08 [ 1325.287182][ T32] r4:00000000 [ 1325.287207][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.287246][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.287281][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.287375][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8581c280 [ 1325.287560][ T32] r4:00000000 [ 1325.287585][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.287634][ T32] r9:83018205 r8:841f9800 r7:00000000 r6:83018200 r5:00001000 r4:7f035000 [ 1325.287656][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.287737][ T32] r5:00001000 r4:eb0f5000 [ 1325.287834][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.287879][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.287960][ T32] r5:85831b8c r4:85831800 [ 1325.287985][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.288038][ T32] r7:ddde2d80 r6:83018200 r5:85831b8c r4:84696900 [ 1325.288188][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.288245][ T32] r10:61c88647 r9:841f9800 r8:8469692c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.288269][ T32] r4:84696900 [ 1325.288289][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.288527][ T32] r10:00000000 r9:84696900 r8:80287e08 r7:dfc29e60 r6:848e5d00 r5:841f9800 [ 1325.288570][ T32] r4:00000001 [ 1325.288734][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.288834][ T32] Exception stack(0xdfc79fb0 to 0xdfc79ff8) [ 1325.288867][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.288934][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.289120][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.289159][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.289400][ T32] r4:84697d00 [ 1325.324952][ T32] INFO: task kworker/1:24:3219 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.325127][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.325321][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.325464][ T32] Call trace: [ 1325.325533][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.325661][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.325739][ T32] r4:00000000 [ 1325.325789][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.325878][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.325941][ T32] dd20: 9e145000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.326002][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.326056][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.326108][ T32] r5:800d0013 r4:80239bb0 [ 1325.326152][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.326240][ T32] r4:82ac21e4 [ 1325.326283][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.326403][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.326470][ T32] r4:e044ddc0 [ 1325.326512][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.326607][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.326657][ T32] r4:00000000 [ 1325.326698][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.326791][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.326836][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.326919][ T32] r5:00001000 r4:dfe3d000 [ 1325.326960][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.327042][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.327132][ T32] r5:84a2438c r4:84a24000 [ 1325.327179][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.327272][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.327318][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.327424][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.327476][ T32] r4:84ab5800 [ 1325.327520][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.327628][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.327682][ T32] r4:00000001 [ 1325.327770][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.327845][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.327915][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.327977][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.328043][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.328144][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.328218][ T32] r4:84ab0640 [ 1325.328272][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.328329][ T32] INFO: task kworker/1:25:3221 blocked for more than 451 seconds. [ 1325.328413][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.328465][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.328535][ T32] task:kworker/1:25 state:D stack:0 pid:3221 tgid:3221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.328645][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.328753][ T32] Call trace: [ 1325.328852][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.328953][ T32] r10:8291a684 r9:dfc89d84 r8:00000002 r7:60000113 r6:dfc89d8c r5:84590c00 [ 1325.329054][ T32] r4:84590c00 [ 1325.329137][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.329300][ T32] r5:84590c00 r4:8291a680 [ 1325.340339][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.340553][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.340699][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc89e08 [ 1325.340778][ T32] r4:00000000 [ 1325.340822][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.340894][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.340944][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.340989][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8581c3c0 [ 1325.341014][ T32] r4:00000000 [ 1325.341035][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.341086][ T32] r9:83018205 r8:84590c00 r7:00000000 r6:83018200 r5:00001000 r4:7f037000 [ 1325.341109][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.341157][ T32] r5:00001000 r4:eb167000 [ 1325.341178][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.341219][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.341265][ T32] r5:85831f8c r4:85831c00 [ 1325.341286][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.341337][ T32] r7:ddde2d80 r6:83018200 r5:85831f8c r4:84696980 [ 1325.341359][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.341411][ T32] r10:61c88647 r9:84590c00 r8:846969ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.341470][ T32] r4:84696980 [ 1325.341495][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.341577][ T32] r10:00000000 r9:84696980 r8:80287e08 r7:dfc29e60 r6:848e5d80 r5:84590c00 [ 1325.341606][ T32] r4:00000001 [ 1325.341638][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.341680][ T32] Exception stack(0xdfc89fb0 to 0xdfc89ff8) [ 1325.341736][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.341796][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.341828][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.341858][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.341881][ T32] r4:8469df80 [ 1325.342370][ T32] INFO: task kworker/1:25:3221 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.342416][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.342496][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.342576][ T32] Call trace: [ 1325.342647][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.342709][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.342745][ T32] r4:00000000 [ 1325.342781][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.342825][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.342865][ T32] dd20: 9e145000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.342900][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.342926][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.342976][ T32] r5:800d0013 r4:80239bb0 [ 1325.343002][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.343047][ T32] r4:82ac21e4 [ 1325.343068][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.343112][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.343157][ T32] r4:e044ddc0 [ 1325.343182][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.343229][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 2 printk messages dropped ** [ 1325.343360][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 17 printk messages dropped ** [ 1325.344098][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 11 printk messages dropped ** [ 1325.344841][ T32] r4:84591800 [ 1325.344864][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.344920][ T32] r5:84591800 r4:8291a680 [ 1325.344969][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.345066][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.345165][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc8de08 [ 1325.345218][ T32] r4:00000000 [ 1325.345292][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.345382][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.345491][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.345594][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8581c4c0 [ 1325.345658][ T32] r4:00000000 [ 1325.345721][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.345829][ T32] r9:83018205 r8:84591800 r7:00000000 r6:83018200 r5:00001000 r4:7f039000 [ 1325.345907][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.346014][ T32] r5:00001000 r4:eb49d000 [ 1325.346060][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.346134][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.346204][ T32] r5:8583238c r4:85832000 [ 1325.346260][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.346314][ T32] r7:ddde2d80 r6:83018200 r5:8583238c r4:84696a00 [ 1325.346337][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.346388][ T32] r10:61c88647 r9:84591800 r8:84696a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.346411][ T32] r4:84696a00 [ 1325.346454][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.346507][ T32] r10:00000000 r9:84696a00 r8:80287e08 r7:dfc29e60 r6:848e5e00 r5:84591800 [ 1325.346531][ T32] r4:00000001 [ 1325.346575][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.346635][ T32] Exception stack(0xdfc8dfb0 to 0xdfc8dff8) [ 1325.346668][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.346711][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.346744][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.346774][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.346797][ T32] r4:8469df80 [ 1325.347123][ T32] INFO: task kworker/1:26:3222 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.347186][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.347267][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.347349][ T32] Call trace: [ 1325.347404][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.347463][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.347505][ T32] r4:00000000 [ 1325.347530][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.347592][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.347626][ T32] dd20: 9e145000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.347663][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.347689][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.347737][ T32] r5:800d0013 r4:80239bb0 [ 1325.347785][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.347833][ T32] r4:82ac21e4 [ 1325.347855][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.347899][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.347932][ T32] r4:e044ddc0 [ 1325.347957][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.348002][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.348048][ T32] r4:00000000 [ 1325.348082][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.348135][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 3 printk messages dropped ** [ 1325.348322][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 12 printk messages dropped ** [ 1325.348850][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1325.383315][ T32] r10:8291a684 r9:dfca9d84 r8:00000002 r7:60000113 r6:dfca9d8c r5:84593c00 ** 8 printk messages dropped ** [ 1325.383682][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1325.384134][ T32] r5:8583278c r4:85832400 ** 4 printk messages dropped ** [ 1325.384387][ T32] r4:84696a80 ** 6 printk messages dropped ** [ 1325.384705][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1325.385544][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1325.385710][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 9 printk messages dropped ** [ 1325.386084][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1325.386255][ T32] r5:00001000 r4:dfe3d000 ** 7 printk messages dropped ** [ 1325.386646][ T32] r4:84ab5800 ** 1 printk messages dropped ** [ 1325.386755][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.386783][ T32] r4:00000001 [ 1325.386828][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.386870][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.386912][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.386945][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.386995][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.387030][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.387055][ T32] r4:84ab0640 [ 1325.387101][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.387163][ T32] INFO: task kworker/1:28:3226 blocked for more than 451 seconds. [ 1325.387204][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.387231][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.387253][ T32] task:kworker/1:28 state:D stack:0 pid:3226 tgid:3226 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.387325][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.387430][ T32] Call trace: [ 1325.387492][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.387544][ T32] r10:8291a684 r9:dfbadd84 r8:00000002 r7:60000113 r6:dfbadd8c r5:83bda400 [ 1325.387569][ T32] r4:83bda400 [ 1325.387590][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.387644][ T32] r5:83bda400 r4:8291a680 [ 1325.387666][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.387718][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.387767][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbade08 [ 1325.387791][ T32] r4:00000000 [ 1325.387810][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.387846][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.387906][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.387955][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8581c6c0 [ 1325.387980][ T32] r4:00000000 [ 1325.388000][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.388047][ T32] r9:83018205 r8:83bda400 r7:00000000 r6:83018200 r5:00001000 r4:7f03d000 [ 1325.388093][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.388141][ T32] r5:00001000 r4:eb671000 [ 1325.388185][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.388232][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.388278][ T32] r5:85832b8c r4:85832800 [ 1325.388310][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.388365][ T32] r7:ddde2d80 r6:83018200 r5:85832b8c r4:84696b00 [ 1325.388412][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.388466][ T32] r10:61c88647 r9:83bda400 r8:84696b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.388491][ T32] r4:84696b00 [ 1325.388568][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.388655][ T32] r10:00000000 r9:84696b00 r8:80287e08 r7:dfc29e60 r6:84696b80 r5:83bda400 [ 1325.388710][ T32] r4:00000001 [ 1325.388757][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.388800][ T32] Exception stack(0xdfbadfb0 to 0xdfbadff8) [ 1325.388840][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.388894][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.388937][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.388974][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.388997][ T32] r4:848d9200 [ 1325.404191][ T32] INFO: task kworker/1:28:3226 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.404325][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.404419][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.404491][ T32] Call trace: [ 1325.404579][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.404656][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.404684][ T32] r4:00000000 [ 1325.404753][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.404827][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.404865][ T32] dd20: 9e6df000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.404898][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.404950][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.404990][ T32] r5:800d0013 r4:80239bb0 [ 1325.405013][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.405083][ T32] r4:82ac21e4 [ 1325.405134][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.405184][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.405232][ T32] r4:e044ddc0 [ 1325.405257][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.405328][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.405356][ T32] r4:00000000 [ 1325.405378][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.405431][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.405455][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.405502][ T32] r5:00001000 r4:dfe3d000 [ 1325.405524][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.405578][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.405648][ T32] r5:84a2438c r4:84a24000 [ 1325.405675][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.405751][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.405779][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.405831][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.405856][ T32] r4:84ab5800 [ 1325.405877][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.405950][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.405979][ T32] r4:00000001 [ 1325.406000][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.406039][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.406091][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.406129][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.406157][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.406213][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.406250][ T32] r4:84ab0640 [ 1325.406278][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.406324][ T32] INFO: task kworker/1:29:3230 blocked for more than 451 seconds. ** 1 printk messages dropped ** [ 1325.406430][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1325.406963][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 13 printk messages dropped ** [ 1325.407614][ T32] r5:8583338c r4:85833000 [ 1325.407675][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.407754][ T32] r7:ddde2d80 r6:83018200 r5:8583338c r4:84696c00 ** 4 printk messages dropped ** [ 1325.407983][ T32] r10:00000000 r9:84696c00 r8:80287e08 r7:dfc29e60 r6:84696c80 r5:83bde000 ** 10 printk messages dropped ** [ 1325.408976][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1325.409219][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.409308][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.426692][ T32] dd20: 9ebed000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.426764][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.426808][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.426844][ T32] r5:800d0013 r4:80239bb0 [ 1325.426869][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.426939][ T32] r4:82ac21e4 [ 1325.426961][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.427006][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.427031][ T32] r4:e044ddc0 [ 1325.427052][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.427116][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.427166][ T32] r4:00000000 [ 1325.427214][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.427285][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.427312][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.427361][ T32] r5:00001000 r4:dfe3d000 [ 1325.427382][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.427424][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.427468][ T32] r5:84a2438c r4:84a24000 [ 1325.427489][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.427539][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.427562][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.427611][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.427644][ T32] r4:84ab5800 [ 1325.427676][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.427741][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.427769][ T32] r4:00000001 [ 1325.427791][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.427831][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.427882][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.427940][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.427975][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.428051][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.428102][ T32] r4:84ab0640 [ 1325.428132][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.428166][ T32] INFO: task kworker/1:30:3231 blocked for more than 451 seconds. ** 3 printk messages dropped ** [ 1325.428331][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1325.428849][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1325.429238][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1325.433495][ T32] r5:8583378c r4:85833400 ** 1 printk messages dropped ** [ 1325.433598][ T32] r7:ddde2d80 r6:83018200 r5:8583378c r4:84696d00 ** 2 printk messages dropped ** [ 1325.433728][ T32] r4:84696d00 ** 5 printk messages dropped ** [ 1325.433953][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1325.434835][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1325.435210][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1325.435423][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 10 printk messages dropped ** [ 1325.435956][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1325.436318][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1325.436648][ T32] task:kworker/1:31 state:D stack:0 pid:3233 tgid:3233 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1325.437137][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1325.437709][ T32] r5:8583438c r4:85834000 ** 1 printk messages dropped ** [ 1325.437819][ T32] r7:ddde2d80 r6:83018200 r5:8583438c r4:84696e80 ** 4 printk messages dropped ** [ 1325.438036][ T32] r10:00000000 r9:84696e80 r8:80287e08 r7:dfcc1e60 r6:84696f00 r5:83beec00 [ 1325.438066][ T32] r4:00000001 [ 1325.438086][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.438123][ T32] Exception stack(0xdfccdfb0 to 0xdfccdff8) [ 1325.438172][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.438209][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.438237][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.438267][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.438314][ T32] r4:848d9600 [ 1325.438568][ T32] INFO: task kworker/1:31:3233 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.438603][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.438679][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.438754][ T32] Call trace: [ 1325.438824][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.438881][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.438906][ T32] r4:00000000 [ 1325.438926][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.438987][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.439023][ T32] dd20: 9ebed000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.439056][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.439082][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.439116][ T32] r5:800d0013 r4:80239bb0 [ 1325.439141][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.439190][ T32] r4:82ac21e4 [ 1325.439213][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.459130][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.459304][ T32] r4:e044ddc0 [ 1325.459788][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.459874][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.459942][ T32] r4:00000000 [ 1325.459970][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.460048][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.460078][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.460129][ T32] r5:00001000 r4:dfe3d000 [ 1325.460151][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.460192][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.460237][ T32] r5:84a2438c r4:84a24000 [ 1325.460270][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.460365][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.460419][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.460538][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.460574][ T32] r4:84ab5800 [ 1325.460596][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.460655][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.460679][ T32] r4:00000001 [ 1325.460700][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.460763][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.460808][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.460841][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.460893][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.460951][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.460979][ T32] r4:84ab0640 [ 1325.461028][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.461077][ T32] INFO: task kworker/1:32:3234 blocked for more than 451 seconds. [ 1325.461118][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.461145][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.461181][ T32] task:kworker/1:32 state:D stack:0 pid:3234 tgid:3234 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.461251][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.461298][ T32] Call trace: [ 1325.461641][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.461712][ T32] r10:8291a684 r9:dfbe5d84 r8:00000002 r7:60000113 r6:dfbe5d8c r5:83801800 [ 1325.461738][ T32] r4:83801800 [ 1325.461760][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.461830][ T32] r5:83801800 r4:8291a680 ** 1 printk messages dropped ** [ 1325.461901][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1325.462212][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8581cb80 ** 4 printk messages dropped ** [ 1325.462456][ T32] r5:00001000 r4:eb865000 ** 2 printk messages dropped ** [ 1325.462596][ T32] r5:85833b8c r4:85833800 [ 1325.462617][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.462679][ T32] r7:ddde2d80 r6:83018200 r5:85833b8c r4:84696f80 ** 1 printk messages dropped ** [ 1325.462749][ T32] r10:61c88647 r9:83801800 r8:84696fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1325.463038][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.463982][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1325.464389][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1325.464554][ T32] r4:e044ddc0 [ 1325.464594][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.464656][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.464681][ T32] r4:00000000 [ 1325.464702][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.464750][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.464773][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.464817][ T32] r5:00001000 r4:dfe3d000 [ 1325.464851][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.464897][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.464943][ T32] r5:84a2438c r4:84a24000 [ 1325.464964][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.465032][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.465061][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.465111][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.465134][ T32] r4:84ab5800 [ 1325.465154][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.465202][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.465235][ T32] r4:00000001 [ 1325.465269][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.465320][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.465371][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.465405][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.465433][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.465463][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.465512][ T32] r4:84ab0640 [ 1325.465538][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.465567][ T32] INFO: task kworker/1:33:3237 blocked for more than 451 seconds. [ 1325.465598][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.465623][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.465651][ T32] task:kworker/1:33 state:D stack:0 pid:3237 tgid:3237 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.465700][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.465772][ T32] Call trace: [ 1325.465836][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.465911][ T32] r10:8291a684 r9:dfcd9d84 r8:00000002 r7:60000113 r6:dfcd9d8c r5:83805400 [ 1325.465939][ T32] r4:83805400 [ 1325.465961][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.466029][ T32] r5:83805400 r4:8291a680 [ 1325.466065][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.466131][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.466180][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcd9e08 [ 1325.466206][ T32] r4:00000000 [ 1325.466226][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.466262][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.466297][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.466362][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8581ce80 [ 1325.466390][ T32] r4:00000000 [ 1325.466435][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.466485][ T32] r9:83018205 r8:83805400 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 [ 1325.466518][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.466589][ T32] r5:00001000 r4:eba45000 [ 1325.466616][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.466665][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.466709][ T32] r5:8583478c r4:85834400 [ 1325.466730][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.466777][ T32] r7:ddde2d80 r6:83018200 r5:8583478c r4:848cd080 [ 1325.466799][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.466858][ T32] r10:61c88647 r9:83805400 r8:848cd0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.466886][ T32] r4:848cd080 [ 1325.466906][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.466953][ T32] r10:00000000 r9:848cd080 r8:80287e08 r7:dfccde60 r6:848cd100 r5:83805400 [ 1325.467000][ T32] r4:00000001 [ 1325.467024][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.467079][ T32] Exception stack(0xdfcd9fb0 to 0xdfcd9ff8) [ 1325.467131][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.467179][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.467211][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.467241][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.467287][ T32] r4:848d9a00 [ 1325.467568][ T32] INFO: task kworker/1:33:3237 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.467651][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.467806][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.467859][ T32] Call trace: [ 1325.467917][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.467995][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.468033][ T32] r4:00000000 [ 1325.468054][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.468095][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.468148][ T32] dd20: 9f04b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.468183][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.468211][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.468261][ T32] r5:800d0013 r4:80239bb0 [ 1325.468290][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.468343][ T32] r4:82ac21e4 [ 1325.468364][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.468408][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.468455][ T32] r4:e044ddc0 [ 1325.468483][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.468561][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.468609][ T32] r4:00000000 [ 1325.468667][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.468724][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.468772][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.468823][ T32] r5:00001000 r4:dfe3d000 [ 1325.468845][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.468887][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.468953][ T32] r5:84a2438c r4:84a24000 [ 1325.468978][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.469031][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.469055][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.469104][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.469128][ T32] r4:84ab5800 [ 1325.469176][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.469230][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.469330][ T32] r4:00000001 [ 1325.500277][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.500393][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.500434][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.500487][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.500569][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.500610][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.500644][ T32] r4:84ab0640 [ 1325.500672][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.500708][ T32] INFO: task kworker/1:34:3239 blocked for more than 451 seconds. [ 1325.500748][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.500775][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.500800][ T32] task:kworker/1:34 state:D stack:0 pid:3239 tgid:3239 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.500868][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.501033][ T32] Call trace: [ 1325.501194][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.501394][ T32] r10:8291a684 r9:dfcf1d84 r8:00000002 r7:60000113 r6:dfcf1d8c r5:846dbc00 [ 1325.501613][ T32] r4:846dbc00 [ 1325.501652][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.501813][ T32] r5:846dbc00 r4:8291a680 [ 1325.501847][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.501894][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.501941][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcf1e08 [ 1325.501965][ T32] r4:00000000 [ 1325.501985][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.502021][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.502062][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.502106][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8581cf80 [ 1325.502131][ T32] r4:00000000 [ 1325.502151][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.502200][ T32] r9:83018205 r8:846dbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f04f000 [ 1325.502223][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.502267][ T32] r5:00001000 r4:eba71000 [ 1325.502289][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.502332][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.502384][ T32] r5:85834b8c r4:85834800 [ 1325.502523][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.502589][ T32] r7:ddde2d80 r6:83018200 r5:85834b8c r4:848cd180 [ 1325.502613][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.502670][ T32] r10:61c88647 r9:846dbc00 r8:848cd1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.502694][ T32] r4:848cd180 [ 1325.502714][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.502760][ T32] r10:00000000 r9:848cd180 r8:80287e08 r7:dfcd9e60 r6:848cd200 r5:846dbc00 [ 1325.502784][ T32] r4:00000001 [ 1325.502953][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.503015][ T32] Exception stack(0xdfcf1fb0 to 0xdfcf1ff8) [ 1325.503049][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.503084][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.503315][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.503437][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.503466][ T32] r4:848d99c0 [ 1325.503921][ T32] INFO: task kworker/1:34:3239 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.503959][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.504196][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.504441][ T32] Call trace: [ 1325.504584][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.504642][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.504669][ T32] r4:00000000 [ 1325.504689][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.504731][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.504760][ T32] dd20: 9f1c6000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.504791][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.504862][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.504892][ T32] r5:800d0013 r4:80239bb0 [ 1325.504914][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.504997][ T32] r4:82ac21e4 [ 1325.505023][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.505068][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.505091][ T32] r4:e044ddc0 [ 1325.505113][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.505231][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.505347][ T32] r4:00000000 [ 1325.505372][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.505428][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.505450][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.505494][ T32] r5:00001000 r4:dfe3d000 [ 1325.505515][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.505677][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.505729][ T32] r5:84a2438c r4:84a24000 [ 1325.505751][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.505801][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.505896][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.506239][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.506268][ T32] r4:84ab5800 [ 1325.506289][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.506338][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.506362][ T32] r4:00000001 [ 1325.506392][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.506431][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.506458][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.506592][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.506640][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.506675][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.506728][ T32] r4:84ab0640 [ 1325.506754][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.506943][ T32] INFO: task kworker/1:35:3241 blocked for more than 451 seconds. [ 1325.506979][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.507005][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.507067][ T32] task:kworker/1:35 state:D stack:0 pid:3241 tgid:3241 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.507146][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.507305][ T32] Call trace: [ 1325.507416][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.507468][ T32] r10:8291a684 r9:dfce5d84 r8:00000002 r7:60000113 r6:dfce5d8c r5:84948000 [ 1325.507492][ T32] r4:84948000 [ 1325.507514][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.507596][ T32] r5:84948000 r4:8291a680 [ 1325.507622][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.507665][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.507745][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfce5e08 [ 1325.507773][ T32] r4:00000000 [ 1325.507794][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.507832][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.507868][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.507972][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857f62c0 [ 1325.508000][ T32] r4:00000000 [ 1325.508023][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.508203][ T32] r9:83018205 r8:84948000 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 [ 1325.508239][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.508421][ T32] r5:00001000 r4:ebb17000 [ 1325.508452][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.508535][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.508601][ T32] r5:8583538c r4:85835000 [ 1325.508624][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.508754][ T32] r7:ddde2d80 r6:83018200 r5:8583538c r4:848cd280 [ 1325.508781][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.508832][ T32] r10:61c88647 r9:84948000 r8:848cd2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.508856][ T32] r4:848cd280 [ 1325.508968][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.509023][ T32] r10:00000000 r9:848cd280 r8:80287e08 r7:dfcf1e60 r6:848cd300 r5:84948000 [ 1325.509047][ T32] r4:00000001 [ 1325.509086][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.509208][ T32] Exception stack(0xdfce5fb0 to 0xdfce5ff8) [ 1325.509302][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.540443][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.540642][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.540758][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.540877][ T32] r4:848d9bc0 [ 1325.541380][ T32] INFO: task kworker/1:35:3241 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.541430][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.541548][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.541664][ T32] Call trace: [ 1325.541704][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.541774][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.541803][ T32] r4:00000000 [ 1325.542057][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.542114][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.542148][ T32] dd20: 9f5fa000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.542314][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.542357][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.542395][ T32] r5:800d0013 r4:80239bb0 [ 1325.542424][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.542478][ T32] r4:82ac21e4 [ 1325.542502][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.542582][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.542615][ T32] r4:e044ddc0 [ 1325.542647][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.542698][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.542883][ T32] r4:00000000 [ 1325.542910][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.542967][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.542998][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.543134][ T32] r5:00001000 r4:dfe3d000 [ 1325.543356][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.543413][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.543462][ T32] r5:84a2438c r4:84a24000 [ 1325.543485][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.543539][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.543643][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.543700][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.543762][ T32] r4:84ab5800 [ 1325.543788][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.543990][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.544019][ T32] r4:00000001 [ 1325.544041][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.544080][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.544215][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.544251][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.544279][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.544310][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.544447][ T32] r4:84ab0640 [ 1325.544633][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.544767][ T32] INFO: task kworker/1:36:3242 blocked for more than 451 seconds. [ 1325.544995][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.545028][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.545053][ T32] task:kworker/1:36 state:D stack:0 pid:3242 tgid:3242 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.545251][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.545299][ T32] Call trace: [ 1325.545332][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.545393][ T32] r10:8291a684 r9:dfd09d84 r8:00000002 r7:60000113 r6:dfd09d8c r5:84948c00 [ 1325.545505][ T32] r4:84948c00 [ 1325.545533][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.545581][ T32] r5:84948c00 r4:8291a680 [ 1325.545626][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.545675][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.545758][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd09e08 [ 1325.545788][ T32] r4:00000000 [ 1325.545809][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.545885][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.545926][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.545971][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8581c540 [ 1325.545995][ T32] r4:00000000 [ 1325.546063][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.546127][ T32] r9:83018205 r8:84948c00 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 [ 1325.546213][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.546265][ T32] r5:00001000 r4:eba8b000 [ 1325.546287][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.546370][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.546487][ T32] r5:85834f8c r4:85834c00 [ 1325.546600][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.546657][ T32] r7:ddde2d80 r6:83018200 r5:85834f8c r4:848cd380 [ 1325.546680][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.546731][ T32] r10:61c88647 r9:84948c00 r8:848cd3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.546798][ T32] r4:848cd380 [ 1325.546860][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.546956][ T32] r10:00000000 r9:848cd380 r8:80287e08 r7:dfce5e60 r6:848cd400 r5:84948c00 [ 1325.546985][ T32] r4:00000001 [ 1325.547005][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.547085][ T32] Exception stack(0xdfd09fb0 to 0xdfd09ff8) [ 1325.547138][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.547207][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.547243][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.547342][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.547371][ T32] r4:848d9bc0 [ 1325.547695][ T32] INFO: task kworker/1:36:3242 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.547776][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.548004][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.548129][ T32] Call trace: [ 1325.548165][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.548222][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.548363][ T32] r4:00000000 [ 1325.548394][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.548539][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.548669][ T32] dd20: 9f5fa000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.548793][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.548909][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.549025][ T32] r5:800d0013 r4:80239bb0 [ 1325.549051][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.549339][ T32] r4:82ac21e4 [ 1325.577865][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.577982][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.578013][ T32] r4:e044ddc0 [ 1325.578035][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.578083][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.578272][ T32] r4:00000000 [ 1325.578395][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.578458][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.578483][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.578646][ T32] r5:00001000 r4:dfe3d000 [ 1325.578674][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.578719][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.578840][ T32] r5:84a2438c r4:84a24000 [ 1325.578965][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.579029][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.579091][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.579204][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.579236][ T32] r4:84ab5800 [ 1325.579349][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.582714][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.582766][ T32] r4:00000001 [ 1325.583022][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.583141][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.583180][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.583276][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.583489][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.583615][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.583645][ T32] r4:84ab0640 [ 1325.583673][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.583708][ T32] INFO: task kworker/1:37:3245 blocked for more than 452 seconds. [ 1325.583746][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.583773][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.583838][ T32] task:kworker/1:37 state:D stack:0 pid:3245 tgid:3245 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.583912][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.583967][ T32] Call trace: [ 1325.584001][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.584059][ T32] r10:8291a684 r9:dfd1dd84 r8:00000002 r7:60000113 r6:dfd1dd8c r5:84593000 [ 1325.584083][ T32] r4:84593000 [ 1325.584252][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.584306][ T32] r5:84593000 r4:8291a680 [ 1325.584481][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.584603][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.584655][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd1de08 [ 1325.584742][ T32] r4:00000000 [ 1325.584870][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.585000][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.585048][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1325.585120][ T32] r4:00000000 [ 1325.585220][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.585359][ T32] r9:83018205 r8:84593000 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1325.585393][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.585443][ T32] r5:00001000 r4:ebb7d000 [ 1325.585465][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.585509][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.585729][ T32] r5:85835b8c r4:85835800 [ 1325.585757][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.585810][ T32] r7:ddde2d80 r6:83018200 r5:85835b8c r4:848cd480 [ 1325.585945][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.586001][ T32] r10:61c88647 r9:84593000 r8:848cd4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.586066][ T32] r4:848cd480 [ 1325.586090][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.586140][ T32] r10:00000000 r9:848cd480 r8:80287e08 r7:dfce5e60 r6:848e5f00 r5:84593000 [ 1325.586165][ T32] r4:00000001 [ 1325.586203][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.586276][ T32] Exception stack(0xdfd1dfb0 to 0xdfd1dff8) [ 1325.586434][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.586556][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.586590][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.586623][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.586769][ T32] r4:848cc100 [ 1325.587228][ T32] INFO: task kworker/1:37:3245 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.587344][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.587466][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.587573][ T32] Call trace: [ 1325.587610][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.587707][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.587737][ T32] r4:00000000 [ 1325.587758][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.587801][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.587831][ T32] dd20: 9f910000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.587862][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.587889][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.587914][ T32] r5:800d0013 r4:80239bb0 [ 1325.587935][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.588039][ T32] r4:82ac21e4 [ 1325.588067][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.588115][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.588154][ T32] r4:e044ddc0 ** 2 printk messages dropped ** [ 1325.588313][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1325.589016][ T32] r5:84a2438c r4:84a24000 ** 6 printk messages dropped ** [ 1325.610372][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.610446][ T32] r4:00000001 [ 1325.610474][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.610531][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.610564][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.610596][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.610624][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.610655][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.610678][ T32] r4:84ab0640 [ 1325.610703][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.610735][ T32] INFO: task kworker/1:38:3246 blocked for more than 452 seconds. [ 1325.610774][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.610800][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.610825][ T32] task:kworker/1:38 state:D stack:0 pid:3246 tgid:3246 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.610890][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.611024][ T32] Call trace: [ 1325.611102][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.611162][ T32] r10:8291a684 r9:dfd21d84 r8:00000002 r7:60000113 r6:dfd21d8c r5:84592400 [ 1325.611187][ T32] r4:84592400 [ 1325.611210][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.611383][ T32] r5:84592400 r4:8291a680 [ 1325.611414][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.611460][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.611524][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd21e08 [ 1325.611552][ T32] r4:00000000 [ 1325.611573][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.611611][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.611754][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.611805][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852410c0 [ 1325.611830][ T32] r4:00000000 [ 1325.611851][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.611938][ T32] r9:83018205 r8:84592400 r7:00000000 r6:83018200 r5:00001000 r4:7f055000 [ 1325.612037][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.612617][ T32] r5:00001000 r4:ebb33000 [ 1325.612659][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.613221][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.613289][ T32] r5:8583578c r4:85835400 [ 1325.613365][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.613435][ T32] r7:ddde2d80 r6:83018200 r5:8583578c r4:848cd500 [ 1325.613460][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.613515][ T32] r10:61c88647 r9:84592400 r8:848cd52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.613616][ T32] r4:848cd500 [ 1325.613841][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.614080][ T32] r10:00000000 r9:848cd500 r8:80287e08 r7:dfd1de60 r6:848e5f80 r5:84592400 ** 4 printk messages dropped ** [ 1325.615380][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.617961][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1325.653886][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1325.654533][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1325.654850][ T32] r5:00001000 r4:dfe3d000 ** 6 printk messages dropped ** [ 1325.655269][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1325.655774][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1325.656893][ T32] Call trace: ** 6 printk messages dropped ** [ 1325.657226][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1325.657911][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1325.658073][ T32] r5:8583638c r4:85836000 ** 3 printk messages dropped ** [ 1325.658263][ T32] r10:61c88647 r9:84594800 r8:848cd5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1325.658710][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1325.670939][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1325.671212][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1325.671492][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1325.671741][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 8 printk messages dropped ** [ 1325.672556][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1325.672973][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1325.673083][ T32] INFO: task kworker/1:40:3250 blocked for more than 452 seconds. [ 1325.673165][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.673236][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.673267][ T32] task:kworker/1:40 state:D stack:0 pid:3250 tgid:3250 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.673324][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.673378][ T32] Call trace: [ 1325.673474][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.673568][ T32] r10:8291a684 r9:dfd39d84 r8:00000002 r7:60000113 r6:dfd39d8c r5:84595400 [ 1325.673598][ T32] r4:84595400 [ 1325.673622][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.673668][ T32] r5:84595400 r4:8291a680 [ 1325.673710][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.673757][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.673802][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd39e08 [ 1325.673826][ T32] r4:00000000 [ 1325.673846][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.673901][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.674030][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.674080][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85241400 [ 1325.674154][ T32] r4:00000000 [ 1325.674273][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.674406][ T32] r9:83018205 r8:84595400 r7:00000000 r6:83018200 r5:00001000 r4:7f059000 [ 1325.674435][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.674483][ T32] r5:00001000 r4:ebb95000 [ 1325.674504][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.674545][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.674655][ T32] r5:85835f8c r4:85835c00 [ 1325.674718][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.674774][ T32] r7:ddde2d80 r6:83018200 r5:85835f8c r4:848cd600 [ 1325.674797][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.674884][ T32] r10:61c88647 r9:84595400 r8:848cd62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.674913][ T32] r4:848cd600 [ 1325.674935][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.675010][ T32] r10:00000000 r9:848cd600 r8:80287e08 r7:dfd35e60 r6:849d5080 r5:84595400 [ 1325.675124][ T32] r4:00000001 [ 1325.675150][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.675190][ T32] Exception stack(0xdfd39fb0 to 0xdfd39ff8) [ 1325.675255][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.675382][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.675427][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.675489][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.675612][ T32] r4:848cc0c0 [ 1325.675990][ T32] INFO: task kworker/1:40:3250 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.676030][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.676137][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.676480][ T32] Call trace: [ 1325.676558][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.676620][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.676645][ T32] r4:00000000 [ 1325.676704][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.676942][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.676977][ T32] dd20: a0127000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.677009][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.677169][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.677289][ T32] r5:800d0013 r4:80239bb0 [ 1325.677425][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.677477][ T32] r4:82ac21e4 [ 1325.677499][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.677544][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.677568][ T32] r4:e044ddc0 [ 1325.677588][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.677633][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.677775][ T32] r4:00000000 [ 1325.677802][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.677898][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.678011][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.678069][ T32] r5:00001000 r4:dfe3d000 [ 1325.678092][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.678135][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.678317][ T32] r5:84a2438c r4:84a24000 [ 1325.678347][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.678409][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.678432][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.678483][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.678651][ T32] r4:84ab5800 [ 1325.678678][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.678756][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.678890][ T32] r4:00000001 [ 1325.678915][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.678956][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.678983][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.679015][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.679104][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.679154][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.679213][ T32] r4:84ab0640 [ 1325.679243][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.679271][ T32] INFO: task kworker/1:41:3253 blocked for more than 452 seconds. [ 1325.679384][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.711277][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.711340][ T32] task:kworker/1:41 state:D stack:0 pid:3253 tgid:3253 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.711440][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.711859][ T32] Call trace: [ 1325.712091][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.712167][ T32] r10:8291a684 r9:dfd55d84 r8:00000002 r7:60000113 r6:dfd55d8c r5:84590000 [ 1325.712198][ T32] r4:84590000 [ 1325.712225][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.712283][ T32] r5:84590000 r4:8291a680 [ 1325.712310][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.712360][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.712422][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd55e08 [ 1325.712452][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1325.712580][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 2 printk messages dropped ** [ 1325.712761][ T32] r4:00000000 [ 1325.712784][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.712840][ T32] r9:83018205 r8:84590000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.712955][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.713009][ T32] r5:00001000 r4:ec56b000 [ 1325.713074][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.713125][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.713213][ T32] r5:85837b8c r4:85837800 [ 1325.713242][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.713299][ T32] r7:ddde2d80 r6:83018200 r5:85837b8c r4:848cd680 [ 1325.713520][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.713680][ T32] r10:61c88647 r9:84590000 r8:848cd6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.713871][ T32] r4:848cd680 [ 1325.713897][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.713949][ T32] r10:00000000 r9:848cd680 r8:80287e08 r7:dfd35e60 r6:849d5100 r5:84590000 [ 1325.713974][ T32] r4:00000001 [ 1325.714043][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.714088][ T32] Exception stack(0xdfd55fb0 to 0xdfd55ff8) [ 1325.714163][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.714198][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.714230][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.714262][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.714352][ T32] r4:848cc540 [ 1325.714911][ T32] INFO: task kworker/1:41:3253 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.714963][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.715252][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.715351][ T32] Call trace: [ 1325.715433][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.715542][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.715570][ T32] r4:00000000 [ 1325.715590][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 1 printk messages dropped ** [ 1325.715713][ T32] dd20: a0646000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 7 printk messages dropped ** [ 1325.716102][ T32] r4:e044ddc0 [ 1325.716128][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.716174][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.716225][ T32] r4:00000000 [ 1325.716328][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.716440][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.716468][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.716628][ T32] r5:00001000 r4:dfe3d000 [ 1325.716718][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.716770][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.716818][ T32] r5:84a2438c r4:84a24000 [ 1325.716900][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.716980][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.717038][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.717092][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.717159][ T32] r4:84ab5800 [ 1325.717214][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.717304][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.717445][ T32] r4:00000001 [ 1325.717513][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.717585][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.717650][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.717684][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.717713][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.717744][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.717771][ T32] r4:84ab0640 [ 1325.717795][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.717863][ T32] INFO: task kworker/1:42:3255 blocked for more than 452 seconds. [ 1325.717908][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.717968][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.717994][ T32] task:kworker/1:42 state:D stack:0 pid:3255 tgid:3255 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.718045][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.718091][ T32] Call trace: [ 1325.718174][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.718269][ T32] r10:8291a684 r9:dfd6dd84 r8:00000002 r7:60000113 r6:dfd6dd8c r5:84596c00 [ 1325.718357][ T32] r4:84596c00 [ 1325.718391][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.718440][ T32] r5:84596c00 r4:8291a680 [ 1325.718491][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1325.718740][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1325.719147][ T32] r5:00001000 r4:dfaeb000 ** 2 printk messages dropped ** [ 1325.746509][ T32] r5:8583878c r4:85838400 [ 1325.746536][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1325.746704][ T32] r10:61c88647 r9:84596c00 r8:848cd72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 4 printk messages dropped ** [ 1325.746882][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1325.747066][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1325.747741][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1325.748161][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.748192][ T32] dd20: a0d3b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.748246][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.748278][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.748304][ T32] r5:800d0013 r4:80239bb0 [ 1325.748326][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.748427][ T32] r4:82ac21e4 [ 1325.748455][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.748546][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.748620][ T32] r4:e044ddc0 [ 1325.748654][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.748703][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.748726][ T32] r4:00000000 [ 1325.748747][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.748800][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.748823][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.748868][ T32] r5:00001000 r4:dfe3d000 [ 1325.748889][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.748972][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.749024][ T32] r5:84a2438c r4:84a24000 [ 1325.749046][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.749096][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.749118][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.749283][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.759235][ T32] r4:84ab5800 [ 1325.759883][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.759988][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.760056][ T32] r4:00000001 [ 1325.760085][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.760129][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.760192][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.760250][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.760383][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.760422][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.760490][ T32] r4:84ab0640 [ 1325.760563][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.760630][ T32] INFO: task kworker/1:43:3256 blocked for more than 452 seconds. [ 1325.760670][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.760697][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.760721][ T32] task:kworker/1:43 state:D stack:0 pid:3256 tgid:3256 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.760785][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.760978][ T32] Call trace: [ 1325.761095][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.761160][ T32] r10:8291a684 r9:dfd71d84 r8:00000002 r7:60000113 r6:dfd71d8c r5:83ae6c00 [ 1325.761215][ T32] r4:83ae6c00 [ 1325.761241][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.761314][ T32] r5:83ae6c00 r4:8291a680 [ 1325.761340][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.761392][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.761455][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd71e08 [ 1325.761507][ T32] r4:00000000 [ 1325.761545][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.761627][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.761680][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.761726][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85241ac0 [ 1325.761751][ T32] r4:00000000 [ 1325.761772][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1325.762085][ T32] r5:8583778c r4:85837400 [ 1325.762165][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.762253][ T32] r7:ddde2d80 r6:83018200 r5:8583778c r4:848cd780 ** 1 printk messages dropped ** [ 1325.762366][ T32] r10:61c88647 r9:83ae6c00 r8:848cd7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1325.762768][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1325.763726][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1325.763926][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 9 printk messages dropped ** [ 1325.764416][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1325.764677][ T32] r5:00001000 r4:dfe3d000 ** 5 printk messages dropped ** [ 1325.764960][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1325.765280][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1325.765523][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.765591][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.765618][ T32] task:kworker/1:44 state:D stack:0 pid:3258 tgid:3258 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.765668][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.765725][ T32] Call trace: [ 1325.765796][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.765848][ T32] r10:8291a684 r9:dfd81d84 r8:00000002 r7:60000113 r6:dfd81d8c r5:84596000 [ 1325.765872][ T32] r4:84596000 [ 1325.765893][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.765938][ T32] r5:84596000 r4:8291a680 [ 1325.765958][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.766031][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.766102][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd81e08 [ 1325.766162][ T32] r4:00000000 [ 1325.766228][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.766270][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.766339][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.766396][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852419c0 [ 1325.766421][ T32] r4:00000000 [ 1325.766472][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.766523][ T32] r9:83018205 r8:84596000 r7:00000000 r6:83018200 r5:00001000 r4:7f063000 [ 1325.766547][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.766590][ T32] r5:00001000 r4:ebbe9000 [ 1325.766645][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.766692][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.766737][ T32] r5:8583738c r4:85837000 [ 1325.766758][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.766806][ T32] r7:ddde2d80 r6:83018200 r5:8583738c r4:848cd800 [ 1325.766827][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.766875][ T32] r10:61c88647 r9:84596000 r8:848cd82c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.766899][ T32] r4:848cd800 [ 1325.766919][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.766965][ T32] r10:00000000 r9:848cd800 r8:80287e08 r7:dfd6de60 r6:849d5280 r5:84596000 [ 1325.766988][ T32] r4:00000001 [ 1325.767008][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.767044][ T32] Exception stack(0xdfd81fb0 to 0xdfd81ff8) [ 1325.767072][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.767134][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.767167][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.767242][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.767270][ T32] r4:848cc9c0 [ 1325.767571][ T32] INFO: task kworker/1:44:3258 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.767609][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.767695][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.767774][ T32] Call trace: [ 1325.767810][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.767877][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.767906][ T32] r4:00000000 [ 1325.767950][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.768028][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.768065][ T32] dd20: a0d3b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.768097][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.768139][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.768168][ T32] r5:800d0013 r4:80239bb0 [ 1325.768191][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.768269][ T32] r4:82ac21e4 [ 1325.768294][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.768339][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.768414][ T32] r4:e044ddc0 [ 1325.768463][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.768569][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.768600][ T32] r4:00000000 [ 1325.768640][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.768698][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.768753][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.768803][ T32] r5:00001000 r4:dfe3d000 [ 1325.768826][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.768868][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.768912][ T32] r5:84a2438c r4:84a24000 [ 1325.768969][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.769054][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.769082][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.769137][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.769188][ T32] r4:84ab5800 [ 1325.769392][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.798909][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.799018][ T32] r4:00000001 [ 1325.799075][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.799322][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.805782][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.805870][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.805944][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.806023][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.806076][ T32] r4:84ab0640 [ 1325.806132][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.806199][ T32] INFO: task kworker/1:45:3260 blocked for more than 452 seconds. [ 1325.806305][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.806406][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.806602][ T32] task:kworker/1:45 state:D stack:0 pid:3260 tgid:3260 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.806780][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.806928][ T32] Call trace: [ 1325.807134][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.807494][ T32] r10:8291a684 r9:dfd91d84 r8:00000002 r7:60000113 r6:dfd91d8c r5:841e8c00 [ 1325.807589][ T32] r4:841e8c00 [ 1325.807646][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.807751][ T32] r5:841e8c00 r4:8291a680 [ 1325.807867][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.808045][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.808150][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd91e08 ** 2 printk messages dropped ** [ 1325.808667][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1325.830912][ T32] r5:00001000 r4:ebbdb000 ** 2 printk messages dropped ** [ 1325.831418][ T32] r5:85836f8c r4:85836c00 [ 1325.831477][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.831591][ T32] r7:ddde2d80 r6:83018200 r5:85836f8c r4:848cd880 [ 1325.831646][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.831758][ T32] r10:61c88647 r9:841e8c00 r8:848cd8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.831812][ T32] r4:848cd880 [ 1325.831863][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.832214][ T32] r10:00000000 r9:848cd880 r8:80287e08 r7:dfd6de60 r6:849d5300 r5:841e8c00 [ 1325.832820][ T32] r4:00000001 [ 1325.833090][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.833274][ T32] Exception stack(0xdfd91fb0 to 0xdfd91ff8) [ 1325.833543][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.833647][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.833748][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.833824][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.833882][ T32] r4:848ccb00 [ 1325.834710][ T32] INFO: task kworker/1:45:3260 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.834981][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.835779][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.836030][ T32] Call trace: [ 1325.836259][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.836464][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.836548][ T32] r4:00000000 [ 1325.836715][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.836790][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.837056][ T32] dd20: a12f0000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.837093][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.837121][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.837147][ T32] r5:800d0013 r4:80239bb0 [ 1325.837169][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.837217][ T32] r4:82ac21e4 [ 1325.837239][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.837284][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.837308][ T32] r4:e044ddc0 [ 1325.837329][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.837399][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.837429][ T32] r4:00000000 [ 1325.837497][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.837598][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.837631][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.837699][ T32] r5:00001000 r4:dfe3d000 [ 1325.837725][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.837800][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.837895][ T32] r5:84a2438c r4:84a24000 [ 1325.837990][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.838047][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.838183][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.838274][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.838366][ T32] r4:84ab5800 [ 1325.838452][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.838537][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.838567][ T32] r4:00000001 [ 1325.838589][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.838664][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.838699][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.838760][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.838793][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.838824][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.838848][ T32] r4:84ab0640 [ 1325.838878][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.838913][ T32] INFO: task kworker/1:46:3262 blocked for more than 452 seconds. [ 1325.838952][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.838993][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.839029][ T32] task:kworker/1:46 state:D stack:0 pid:3262 tgid:3262 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.839083][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.839147][ T32] Call trace: [ 1325.839183][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.839235][ T32] r10:8291a684 r9:dfda1d84 r8:00000002 r7:60000113 r6:dfda1d8c r5:841e8000 [ 1325.839259][ T32] r4:841e8000 [ 1325.869959][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 3 printk messages dropped ** [ 1325.870332][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfda1e08 ** 4 printk messages dropped ** [ 1325.870536][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85241cc0 ** 4 printk messages dropped ** [ 1325.870739][ T32] r5:00001000 r4:ec577000 ** 2 printk messages dropped ** [ 1325.870898][ T32] r5:85837f8c r4:85837c00 [ 1325.870925][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.870989][ T32] r7:ddde2d80 r6:83018200 r5:85837f8c r4:848cd900 [ 1325.871037][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.871104][ T32] r10:61c88647 r9:841e8000 r8:848cd92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 4 printk messages dropped ** [ 1325.871275][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 1 printk messages dropped ** [ 1325.871386][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.871428][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.871464][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.871524][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.871556][ T32] r4:848ccc80 [ 1325.872133][ T32] INFO: task kworker/1:46:3262 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.872179][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.872259][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.872317][ T32] Call trace: [ 1325.872357][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.872427][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.872481][ T32] r4:00000000 [ 1325.872530][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.872615][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.872653][ T32] dd20: a185d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.872687][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.872715][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.872741][ T32] r5:800d0013 r4:80239bb0 [ 1325.872763][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.872836][ T32] r4:82ac21e4 [ 1325.872864][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.872939][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.872969][ T32] r4:e044ddc0 [ 1325.872991][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.873051][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.873168][ T32] r4:00000000 [ 1325.873194][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.873249][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.873273][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.873319][ T32] r5:00001000 r4:dfe3d000 [ 1325.873340][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.873426][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.873505][ T32] r5:84a2438c r4:84a24000 [ 1325.873531][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.873670][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.873704][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.873759][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.873784][ T32] r4:84ab5800 [ 1325.873806][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.873855][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.873880][ T32] r4:00000001 [ 1325.874019][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.874137][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.874261][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.874298][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.874327][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.874378][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.874606][ T32] r4:84ab0640 [ 1325.874634][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.874687][ T32] INFO: task kworker/1:47:3264 blocked for more than 452 seconds. [ 1325.874744][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.874777][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.874802][ T32] task:kworker/1:47 state:D stack:0 pid:3264 tgid:3264 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.874852][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.874898][ T32] Call trace: [ 1325.875029][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.875083][ T32] r10:8291a684 r9:dfdb1d84 r8:00000002 r7:60000113 r6:dfdb1d8c r5:841e9800 [ 1325.875228][ T32] r4:841e9800 [ 1325.875255][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.875346][ T32] r5:841e9800 r4:8291a680 [ 1325.875635][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.875829][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.875932][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfdb1e08 [ 1325.876049][ T32] r4:00000000 [ 1325.876075][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.876258][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.876301][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.876346][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85241d40 [ 1325.876391][ T32] r4:00000000 [ 1325.876517][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.876575][ T32] r9:83018205 r8:841e9800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1325.876599][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.876647][ T32] r5:00001000 r4:ec583000 [ 1325.876669][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.876740][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.876792][ T32] r5:8583838c r4:85838000 [ 1325.876860][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.876915][ T32] r7:ddde2d80 r6:83018200 r5:8583838c r4:848cd980 [ 1325.876938][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.876988][ T32] r10:61c88647 r9:841e9800 r8:848cd9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.877070][ T32] r4:848cd980 [ 1325.877095][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.877190][ T32] r10:00000000 r9:848cd980 r8:80287e08 r7:dfd6de60 r6:849d5400 r5:841e9800 [ 1325.877222][ T32] r4:00000001 [ 1325.877246][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.877285][ T32] Exception stack(0xdfdb1fb0 to 0xdfdb1ff8) [ 1325.877313][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.877372][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.877415][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.877587][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.877636][ T32] r4:848ccd80 [ 1325.877916][ T32] INFO: task kworker/1:47:3264 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.877954][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.878044][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.878153][ T32] Call trace: [ 1325.878190][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.878247][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.878272][ T32] r4:00000000 [ 1325.878337][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.878397][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.878428][ T32] dd20: a185d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.878459][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 3 printk messages dropped ** [ 1325.878673][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1325.878920][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1325.902263][ T32] r5:00001000 r4:dfe3d000 ** 6 printk messages dropped ** [ 1325.902713][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1325.903055][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 7 printk messages dropped ** [ 1325.903369][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 3 printk messages dropped ** [ 1325.903722][ T32] Call trace: ** 4 printk messages dropped ** [ 1325.903911][ T32] r5:841ea400 r4:8291a680 ** 5 printk messages dropped ** [ 1325.904141][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 5 printk messages dropped ** [ 1325.904496][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.904586][ T32] r5:00001000 r4:ebcf9000 [ 1325.904609][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.904652][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.904697][ T32] r5:85838b8c r4:85838800 [ 1325.904744][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.904799][ T32] r7:ddde2d80 r6:83018200 r5:85838b8c r4:848cda00 [ 1325.904847][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.904930][ T32] r10:61c88647 r9:841ea400 r8:848cda2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.904985][ T32] r4:848cda00 [ 1325.905010][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.905059][ T32] r10:00000000 r9:848cda00 r8:80287e08 r7:dfd6de60 r6:849d5480 r5:841ea400 [ 1325.905083][ T32] r4:00000001 [ 1325.905103][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.905141][ T32] Exception stack(0xdfdc1fb0 to 0xdfdc1ff8) [ 1325.905168][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.905198][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.905226][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.905336][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.905365][ T32] r4:848ccc40 [ 1325.905870][ T32] INFO: task kworker/1:48:3266 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.905937][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.906003][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.906052][ T32] Call trace: [ 1325.906083][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.906137][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.906162][ T32] r4:00000000 [ 1325.906182][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.906223][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.906253][ T32] dd20: a1cfb000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.906284][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.906667][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.906795][ T32] r5:800d0013 r4:80239bb0 [ 1325.906822][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.906867][ T32] r4:82ac21e4 [ 1325.906889][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.906932][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.906956][ T32] r4:e044ddc0 [ 1325.906976][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.907100][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.907129][ T32] r4:00000000 [ 1325.907150][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.907200][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.907222][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.907267][ T32] r5:00001000 r4:dfe3d000 [ 1325.907379][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.907429][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.907476][ T32] r5:84a2438c r4:84a24000 [ 1325.907497][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.907545][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.907567][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.907617][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.907640][ T32] r4:84ab5800 [ 1325.907730][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.907785][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.907811][ T32] r4:00000001 [ 1325.907831][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.907870][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.907897][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.908097][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.908132][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.908163][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.908186][ T32] r4:84ab0640 [ 1325.908207][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.908355][ T32] INFO: task kworker/0:79:3600 blocked for more than 452 seconds. [ 1325.908401][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.908426][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.908449][ T32] task:kworker/0:79 state:D stack:0 pid:3600 tgid:3600 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.908495][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.908591][ T32] Call trace: [ 1325.908628][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.908702][ T32] r10:8291a684 r9:e0309d84 r8:00000002 r7:60000013 r6:e0309d8c r5:842a6c00 [ 1325.908732][ T32] r4:842a6c00 [ 1325.908754][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.908829][ T32] r5:842a6c00 r4:8291a680 [ 1325.908860][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.908931][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.908983][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0309e08 [ 1325.909011][ T32] r4:00000000 [ 1325.909039][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.909079][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.909117][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1325.909213][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1325.925668][ T32] r5:84b9438c r4:84b94000 [ 1325.925691][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.925750][ T32] r7:dddced80 r6:83018000 r5:84b9438c r4:84aaf000 ** 2 printk messages dropped ** [ 1325.925857][ T32] r4:84aaf000 ** 4 printk messages dropped ** [ 1325.926088][ T32] Exception stack(0xe0309fb0 to 0xe0309ff8) ** 4 printk messages dropped ** [ 1325.926238][ T32] r4:84ab9200 ** 5 printk messages dropped ** [ 1325.927412][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1325.927703][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1325.927943][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1325.928176][ T32] r5:00001000 r4:dfe3d000 ** 4 printk messages dropped ** [ 1325.928460][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 4 printk messages dropped ** [ 1325.928713][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1325.929030][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1325.929190][ T32] task:kworker/0:80 state:D stack:0 pid:3602 tgid:3602 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1325.943833][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1325.944182][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8462b040 [ 1325.944206][ T32] r4:00000000 [ 1325.944227][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.944278][ T32] r9:83018005 r8:842a5400 r7:00000000 r6:83018000 r5:00001000 r4:7f059000 [ 1325.944346][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.944469][ T32] r5:00001000 r4:e0305000 [ 1325.944526][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.944595][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.944645][ T32] r5:84b8b78c r4:84b8b400 [ 1325.944669][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.944721][ T32] r7:dddced80 r6:83018000 r5:84b8b78c r4:84aaf100 [ 1325.944744][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.944869][ T32] r10:61c88647 r9:842a5400 r8:84aaf12c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.944928][ T32] r4:84aaf100 [ 1325.944954][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.945008][ T32] r10:00000000 r9:84aaf100 r8:80287e08 r7:e0309e60 r6:84aaf180 r5:842a5400 [ 1325.945032][ T32] r4:00000001 [ 1325.945080][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.945155][ T32] Exception stack(0xe0439fb0 to 0xe0439ff8) [ 1325.945193][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.945226][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.945390][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.945457][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.945486][ T32] r4:84ab93c0 [ 1325.945979][ T32] INFO: task kworker/0:80:3602 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1325.946020][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.946325][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.946480][ T32] Call trace: [ 1325.946557][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1325.946616][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1325.946659][ T32] r4:00000000 [ 1325.946766][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.946870][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1325.946970][ T32] dd20: a20bc000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1325.947005][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1325.947033][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1325.947085][ T32] r5:800d0013 r4:80239bb0 [ 1325.947112][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.947187][ T32] r4:82ac21e4 [ 1325.947316][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.947368][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1325.947403][ T32] r4:e044ddc0 [ 1325.947452][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.947502][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1325.947528][ T32] r4:00000000 [ 1325.947603][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1325.947717][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1325.947745][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1325.947793][ T32] r5:00001000 r4:dfe3d000 [ 1325.947816][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1325.947860][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.947905][ T32] r5:84a2438c r4:84a24000 [ 1325.948410][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.948473][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1325.948497][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1325.948619][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.948653][ T32] r4:84ab5800 [ 1325.948674][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1325.948725][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1325.948749][ T32] r4:00000001 [ 1325.948769][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.948807][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1325.948850][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.948955][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.949001][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.949036][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1325.949061][ T32] r4:84ab0640 [ 1325.949104][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.949148][ T32] INFO: task kworker/1:170:3612 blocked for more than 452 seconds. [ 1325.949204][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1325.973390][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.973486][ T32] task:kworker/1:170 state:D stack:0 pid:3612 tgid:3612 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.973623][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.973700][ T32] Call trace: [ 1325.973740][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.973808][ T32] r10:8291a684 r9:e0445d84 r8:00000002 r7:60000113 r6:e0445d8c r5:845c4800 [ 1325.973836][ T32] r4:845c4800 [ 1325.973961][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.974085][ T32] r5:845c4800 r4:8291a680 [ 1325.974113][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.974158][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.974203][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0445e08 [ 1325.974232][ T32] r4:00000000 [ 1325.974255][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.974294][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1325.974335][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1325.974386][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aae2c0 [ 1325.974439][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1325.974520][ T32] r9:83018205 r8:845c4800 r7:00000000 r6:83018200 r5:00001000 r4:7f04b000 ** 4 printk messages dropped ** [ 1325.974765][ T32] r5:84a24b8c r4:84a24800 [ 1325.974814][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1325.974873][ T32] r7:ddde2d80 r6:83018200 r5:84a24b8c r4:84ab5600 ** 1 printk messages dropped ** [ 1325.974979][ T32] r10:61c88647 r9:845c4800 r8:84ab562c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1325.975310][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1325.976357][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1325.976746][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1325.977026][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1325.977431][ T32] r5:84a2438c r4:84a24000 ** 3 printk messages dropped ** [ 1325.977738][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1325.978062][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1325.978475][ T32] task:kworker/1:173 state:D stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 1 printk messages dropped ** [ 1325.978619][ T32] Call trace: [ 1325.978653][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1325.978791][ T32] r10:8291a684 r9:e0459d84 r8:00000002 r7:60000113 r6:e0459d8c r5:845e8c00 [ 1325.978909][ T32] r4:845e8c00 [ 1325.978936][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1325.978984][ T32] r5:845e8c00 r4:8291a680 [ 1325.979005][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.979052][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.979101][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0459e08 [ 1325.979130][ T32] r4:00000000 [ 1325.979154][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1325.979225][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.000325][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.000582][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aae100 [ 1326.000622][ T32] r4:00000000 [ 1326.000656][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.000723][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f049000 [ 1326.000752][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.000841][ T32] r5:00001000 r4:dfe4d000 [ 1326.000873][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.000926][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.000999][ T32] r5:84a2478c r4:84a24400 [ 1326.001029][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.001093][ T32] r7:ddde2d80 r6:83018200 r5:84a2478c r4:84ab5900 [ 1326.001121][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.001198][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.001231][ T32] r4:84ab5900 [ 1326.001258][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.001321][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1326.001350][ T32] r4:00000001 [ 1326.001385][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.001525][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1326.001642][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1326.001688][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.001719][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.001752][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.001778][ T32] r4:84aae040 [ 1326.002354][ T32] INFO: task kworker/1:173:3617 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.002427][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.002579][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.002667][ T32] Call trace: [ 1326.002736][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.002800][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.002826][ T32] r4:00000000 [ 1326.002847][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.002917][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.002971][ T32] dd20: a27a1000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.003008][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.003037][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.003062][ T32] r5:800d0013 r4:80239bb0 [ 1326.003084][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.003130][ T32] r4:82ac21e4 [ 1326.003184][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.003234][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.003290][ T32] r4:e044ddc0 [ 1326.003317][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.003396][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.003491][ T32] r4:00000000 [ 1326.003544][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.003617][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.003670][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.003736][ T32] r5:00001000 r4:dfe3d000 [ 1326.003805][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.003861][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.003923][ T32] r5:84a2438c r4:84a24000 [ 1326.003949][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.004002][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.004025][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.004074][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.004097][ T32] r4:84ab5800 [ 1326.004117][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.004166][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.004190][ T32] r4:00000001 [ 1326.004239][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.004283][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.004350][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.004421][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.004456][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.004524][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.004567][ T32] r4:84ab0640 [ 1326.004610][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.004665][ T32] INFO: task kworker/1:174:3620 blocked for more than 452 seconds. [ 1326.004706][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.004763][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.004791][ T32] task:kworker/1:174 state:D stack:0 pid:3620 tgid:3620 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.004843][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1326.005118][ T32] r10:8291a684 r9:e0481d84 r8:00000002 r7:60000013 r6:e0481d8c r5:845ea400 ** 9 printk messages dropped ** [ 1326.005644][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1326.005958][ T32] r5:84a24f8c r4:84a24c00 [ 1326.005991][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1326.006152][ T32] r10:61c88647 r9:845ea400 r8:84ab59ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1326.006530][ T32] r4:84aae140 ** 2 printk messages dropped ** [ 1326.006995][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1326.007354][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1326.007661][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 7 printk messages dropped ** [ 1326.008070][ T32] r5:84a2438c r4:84a24000 ** 6 printk messages dropped ** [ 1326.008630][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 4 printk messages dropped ** [ 1326.009015][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.009119][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.009155][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.009189][ T32] r4:84ab0640 [ 1326.009235][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.009346][ T32] INFO: task kworker/1:175:3623 blocked for more than 452 seconds. [ 1326.020470][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.020589][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.020630][ T32] task:kworker/1:175 state:D stack:0 pid:3623 tgid:3623 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.020711][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.020782][ T32] Call trace: [ 1326.020876][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.020949][ T32] r10:8291a684 r9:e04a9d84 r8:00000002 r7:60000013 r6:e04a9d8c r5:845e8000 [ 1326.020999][ T32] r4:845e8000 [ 1326.021028][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.021077][ T32] r5:845e8000 r4:8291a680 [ 1326.021099][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.021155][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.021235][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e04a9e08 [ 1326.021264][ T32] r4:00000000 [ 1326.021287][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.021327][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.021369][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.021436][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aae680 [ 1326.021522][ T32] r4:00000000 [ 1326.021573][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.021645][ T32] r9:83018205 r8:845e8000 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 [ 1326.021670][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.021761][ T32] r5:00001000 r4:dfea9000 [ 1326.021790][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.021864][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.021945][ T32] r5:84a2578c r4:84a25400 [ 1326.021974][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.022112][ T32] r7:ddde2d80 r6:83018200 r5:84a2578c r4:84ab5a00 [ 1326.022141][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.022241][ T32] r10:61c88647 r9:845e8000 r8:84ab5a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.022281][ T32] r4:84ab5a00 [ 1326.022304][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.022358][ T32] r10:00000000 r9:84ab5a00 r8:80287e08 r7:e0481e60 r6:84aaf380 r5:845e8000 [ 1326.022395][ T32] r4:00000001 [ 1326.022519][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.022574][ T32] Exception stack(0xe04a9fb0 to 0xe04a9ff8) [ 1326.022639][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1326.022684][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.022745][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.022810][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.022839][ T32] r4:84aae3c0 [ 1326.023308][ T32] INFO: task kworker/1:175:3623 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.023349][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.023450][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.023501][ T32] Call trace: [ 1326.023533][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.023588][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.023613][ T32] r4:00000000 [ 1326.023638][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.023682][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.023711][ T32] dd20: a27a1000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.023749][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.023813][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.023908][ T32] r5:800d0013 r4:80239bb0 [ 1326.023937][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.023985][ T32] r4:82ac21e4 [ 1326.024023][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.024083][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.024173][ T32] r4:e044ddc0 [ 1326.024224][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.024308][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.024415][ T32] r4:00000000 [ 1326.024443][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.024495][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.024587][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.024671][ T32] r5:00001000 r4:dfe3d000 [ 1326.024740][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.024824][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.024875][ T32] r5:84a2438c r4:84a24000 [ 1326.024897][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.024978][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.025096][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.025186][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.025215][ T32] r4:84ab5800 [ 1326.025252][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.025314][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.025384][ T32] r4:00000001 [ 1326.025410][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.025451][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.025478][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.025509][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.025537][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1326.025598][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1326.025765][ T32] task:kworker/1:176 state:D stack:0 pid:3624 tgid:3624 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1326.026257][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1326.026684][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1326.026928][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.027018][ T32] r5:84a2538c r4:84a25000 ** 3 printk messages dropped ** [ 1326.027168][ T32] r10:61c88647 r9:845ebc00 r8:84ab5aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.027191][ T32] r4:84ab5a80 [ 1326.027242][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.027295][ T32] r10:00000000 r9:84ab5a80 r8:80287e08 r7:e04a9e60 r6:84aaf400 r5:845ebc00 [ 1326.027322][ T32] r4:00000001 [ 1326.027342][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.027397][ T32] Exception stack(0xe04bdfb0 to 0xe04bdff8) [ 1326.027425][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.027455][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.027483][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.027512][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.027564][ T32] r4:84aae3c0 [ 1326.027840][ T32] INFO: task kworker/1:176:3624 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.027878][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.027974][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.028022][ T32] Call trace: [ 1326.028053][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.028187][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.028219][ T32] r4:00000000 [ 1326.028240][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.028313][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.028348][ T32] dd20: a27a1000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.028386][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.028414][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.028482][ T32] r5:800d0013 r4:80239bb0 [ 1326.028544][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.028629][ T32] r4:82ac21e4 [ 1326.028672][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.028723][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.028778][ T32] r4:e044ddc0 [ 1326.028834][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.028957][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.028987][ T32] r4:00000000 [ 1326.029040][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.029103][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.029159][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.029246][ T32] r5:00001000 r4:dfe3d000 [ 1326.029367][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.063727][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.063849][ T32] r5:84a2438c r4:84a24000 [ 1326.063875][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.063948][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.063978][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.064042][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.064096][ T32] r4:84ab5800 [ 1326.064151][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.064208][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.064232][ T32] r4:00000001 [ 1326.064253][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.064322][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.064360][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.064428][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.064463][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.064495][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.064578][ T32] r4:84ab0640 [ 1326.064609][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.064649][ T32] INFO: task kworker/1:177:3626 blocked for more than 452 seconds. [ 1326.064706][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 2 printk messages dropped ** [ 1326.064899][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1326.065178][ T32] r4:845e9800 ** 5 printk messages dropped ** [ 1326.065686][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1326.065879][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1326.066161][ T32] r5:84a25f8c r4:84a25c00 [ 1326.066204][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1326.066380][ T32] r10:61c88647 r9:845e9800 r8:84ab5b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1326.066517][ T32] r10:00000000 r9:84ab5b00 r8:80287e08 r7:e04a9e60 r6:84aaf480 r5:845e9800 ** 7 printk messages dropped ** [ 1326.066777][ T32] r4:84aae500 [ 1326.067265][ T32] INFO: task kworker/1:177:3626 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.067342][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.067536][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.067600][ T32] Call trace: [ 1326.067635][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.067692][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.067716][ T32] r4:00000000 [ 1326.067736][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.067778][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.067807][ T32] dd20: a2cf5000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.067838][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.067915][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.067948][ T32] r5:800d0013 r4:80239bb0 [ 1326.067970][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.068015][ T32] r4:82ac21e4 [ 1326.068037][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.068112][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.068172][ T32] r4:e044ddc0 [ 1326.068203][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.068280][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.068310][ T32] r4:00000000 [ 1326.068350][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.068424][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.068478][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.068629][ T32] r5:00001000 r4:dfe3d000 [ 1326.068670][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.068717][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.068764][ T32] r5:84a2438c r4:84a24000 [ 1326.068785][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.068836][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.068858][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.068908][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.068932][ T32] r4:84ab5800 [ 1326.068952][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.069030][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.069065][ T32] r4:00000001 [ 1326.069088][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.069128][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.069156][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.069200][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.069344][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.080044][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.080106][ T32] r4:84ab0640 [ 1326.080151][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.080195][ T32] INFO: task kworker/1:178:3628 blocked for more than 452 seconds. [ 1326.080240][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.080271][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 4 printk messages dropped ** [ 1326.080827][ T32] r10:8291a684 r9:e04c9d84 r8:00000002 r7:60000013 r6:e04c9d8c r5:845ec800 ** 7 printk messages dropped ** [ 1326.081247][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 6 printk messages dropped ** [ 1326.081659][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1326.081872][ T32] r5:84a25b8c r4:84a25800 [ 1326.081926][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1326.082134][ T32] r10:61c88647 r9:845ec800 r8:84ab5bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1326.082583][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1326.083568][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 6 printk messages dropped ** [ 1326.083927][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1326.084248][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1326.084700][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 1 printk messages dropped ** [ 1326.084837][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.084868][ T32] r4:84ab5800 [ 1326.084890][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.084971][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.085019][ T32] r4:00000001 [ 1326.085047][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.085088][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.085171][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.085289][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.085322][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.085355][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.085456][ T32] r4:84ab0640 [ 1326.085483][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.085521][ T32] INFO: task kworker/1:179:3631 blocked for more than 452 seconds. [ 1326.085583][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.085613][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.085636][ T32] task:kworker/1:179 state:D stack:0 pid:3631 tgid:3631 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.085693][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.085764][ T32] Call trace: [ 1326.085800][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.085852][ T32] r10:8291a684 r9:e04d1d84 r8:00000002 r7:60000013 r6:e04d1d8c r5:845ee000 [ 1326.085877][ T32] r4:845ee000 [ 1326.085899][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.086029][ T32] r5:845ee000 r4:8291a680 [ 1326.086057][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.086099][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.086144][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e04d1e08 [ 1326.086199][ T32] r4:00000000 [ 1326.086255][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.086297][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.086335][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.086397][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aaea80 [ 1326.086428][ T32] r4:00000000 [ 1326.086481][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.086535][ T32] r9:83018205 r8:845ee000 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1326.086559][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.086605][ T32] r5:00001000 r4:dffe5000 [ 1326.086627][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.086667][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.086712][ T32] r5:84a2638c r4:84a26000 [ 1326.086763][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.086824][ T32] r7:ddde2d80 r6:83018200 r5:84a2638c r4:84ab5c00 [ 1326.086849][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.086900][ T32] r10:61c88647 r9:845ee000 r8:84ab5c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.086952][ T32] r4:84ab5c00 [ 1326.086978][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.087028][ T32] r10:00000000 r9:84ab5c00 r8:80287e08 r7:e04c5e60 r6:84aaf580 r5:845ee000 [ 1326.087053][ T32] r4:00000001 [ 1326.087073][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.087112][ T32] Exception stack(0xe04d1fb0 to 0xe04d1ff8) [ 1326.087140][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1326.087201][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.087263][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.087299][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.087341][ T32] r4:84aae800 [ 1326.087652][ T32] INFO: task kworker/1:179:3631 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 1 printk messages dropped ** [ 1326.087797][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1326.088130][ T32] dd20: a2d5c000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 7 printk messages dropped ** [ 1326.088455][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1326.088758][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 9 printk messages dropped ** [ 1326.120245][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1326.120582][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 5 printk messages dropped ** [ 1326.120911][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 7 printk messages dropped ** [ 1326.121438][ T32] r10:8291a684 r9:e04a1d84 r8:00000002 r7:60000113 r6:e04a1d8c r5:845c3000 ** 7 printk messages dropped ** [ 1326.121896][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 10 printk messages dropped ** [ 1326.122472][ T32] r5:84a26b8c r4:84a26800 [ 1326.122494][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1326.122772][ T32] r10:61c88647 r9:845c3000 r8:84ab5cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1326.123458][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1326.124564][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1326.124750][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.124776][ T32] r5:800d0013 r4:80239bb0 [ 1326.124797][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.124841][ T32] r4:82ac21e4 [ 1326.125030][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.125083][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.125108][ T32] r4:e044ddc0 [ 1326.125129][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.125174][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.125200][ T32] r4:00000000 [ 1326.125220][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.125328][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.125363][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.125419][ T32] r5:00001000 r4:dfe3d000 [ 1326.125447][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.125492][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.125537][ T32] r5:84a2438c r4:84a24000 [ 1326.125586][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.125694][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.125723][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.125806][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.125835][ T32] r4:84ab5800 [ 1326.125964][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.126032][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.126057][ T32] r4:00000001 [ 1326.126112][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.126156][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.126184][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.126214][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.126271][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.126387][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.126679][ T32] r4:84ab0640 [ 1326.126706][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.126832][ T32] INFO: task kworker/1:181:3633 blocked for more than 452 seconds. [ 1326.126886][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.126918][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.126942][ T32] task:kworker/1:181 state:D stack:0 pid:3633 tgid:3633 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.126994][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.127041][ T32] Call trace: [ 1326.127106][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.127165][ T32] r10:8291a684 r9:e04d5d84 r8:00000002 r7:60000113 r6:e04d5d8c r5:84913000 [ 1326.127191][ T32] r4:84913000 [ 1326.127218][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.127267][ T32] r5:84913000 r4:8291a680 [ 1326.127305][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.127351][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.127409][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e04d5e08 [ 1326.127464][ T32] r4:00000000 [ 1326.127503][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.127546][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.127624][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.127677][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aaedc0 [ 1326.127702][ T32] r4:00000000 [ 1326.127726][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.127775][ T32] r9:83018205 r8:84913000 r7:00000000 r6:83018200 r5:00001000 r4:7f05b000 [ 1326.127798][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.127844][ T32] r5:00001000 r4:e0319000 [ 1326.127866][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.127936][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.127988][ T32] r5:84a2678c r4:84a26400 [ 1326.128010][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.128089][ T32] r7:ddde2d80 r6:83018200 r5:84a2678c r4:84ab5d80 [ 1326.128145][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.128203][ T32] r10:61c88647 r9:84913000 r8:84ab5dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.128227][ T32] r4:84ab5d80 [ 1326.128288][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.128375][ T32] r10:00000000 r9:84ab5d80 r8:80287e08 r7:e04a1e60 r6:84ab5e00 r5:84913000 [ 1326.128415][ T32] r4:00000001 [ 1326.128437][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.128479][ T32] Exception stack(0xe04d5fb0 to 0xe04d5ff8) [ 1326.128542][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.128660][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.128704][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.128737][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.128763][ T32] r4:84aaeac0 [ 1326.129062][ T32] INFO: task kworker/1:181:3633 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.129104][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.129197][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.152861][ T32] Call trace: [ 1326.152948][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.153045][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 3 printk messages dropped ** [ 1326.153211][ T32] dd20: a3586000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 7 printk messages dropped ** [ 1326.153573][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1326.153807][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 7 printk messages dropped ** [ 1326.154102][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1326.154427][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1326.154671][ T32] INFO: task kworker/0:81:3635 blocked for more than 452 seconds. ** 6 printk messages dropped ** [ 1326.155031][ T32] r10:8291a684 r9:e0455d84 r8:00000002 r7:60000113 r6:e0455d8c r5:845eec00 ** 8 printk messages dropped ** [ 1326.155519][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 2 printk messages dropped ** [ 1326.155754][ T32] r4:00000000 [ 1326.155784][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.155837][ T32] r9:83018005 r8:845eec00 r7:00000000 r6:83018000 r5:00001000 r4:7f05d000 ** 4 printk messages dropped ** [ 1326.156094][ T32] r5:84b8bb8c r4:84b8b800 [ 1326.156117][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.156167][ T32] r7:dddced80 r6:83018000 r5:84b8bb8c r4:84aaf600 [ 1326.156189][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.156242][ T32] r10:61c88647 r9:845eec00 r8:84aaf62c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1326.156304][ T32] r4:84aaf600 [ 1326.156350][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.156417][ T32] r10:00000000 r9:84aaf600 r8:80287e08 r7:e0309e60 r6:84aaf680 r5:845eec00 [ 1326.156450][ T32] r4:00000001 [ 1326.156473][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.156561][ T32] Exception stack(0xe0455fb0 to 0xe0455ff8) [ 1326.156626][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.156664][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.156723][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.156760][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.156787][ T32] r4:8462b000 [ 1326.157305][ T32] INFO: task kworker/0:81:3635 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.157391][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.157490][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.157548][ T32] Call trace: [ 1326.157580][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.157641][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.157666][ T32] r4:00000000 [ 1326.157687][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.157731][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.157762][ T32] dd20: a3586000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.157860][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.157905][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.157962][ T32] r5:800d0013 r4:80239bb0 [ 1326.157989][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.158049][ T32] r4:82ac21e4 [ 1326.158078][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.158126][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.158208][ T32] r4:e044ddc0 [ 1326.158265][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.158347][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.158381][ T32] r4:00000000 [ 1326.158407][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.158488][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.158526][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.158602][ T32] r5:00001000 r4:dfe3d000 [ 1326.158632][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.158678][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.158739][ T32] r5:84a2438c r4:84a24000 [ 1326.158787][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.158843][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.158867][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.158918][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.158942][ T32] r4:84ab5800 [ 1326.158963][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.159014][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.159085][ T32] r4:00000001 [ 1326.159119][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.159182][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.159344][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.180382][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.180534][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.180647][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.180700][ T32] r4:84ab0640 [ 1326.180737][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.180810][ T32] INFO: task kworker/0:82:3638 blocked for more than 452 seconds. [ 1326.180872][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.180931][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.181004][ T32] task:kworker/0:82 state:D stack:0 pid:3638 tgid:3638 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.181109][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.181225][ T32] Call trace: [ 1326.181303][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.181402][ T32] r10:8291a684 r9:e0465d84 r8:00000002 r7:60000013 r6:e0465d8c r5:845ed400 [ 1326.181457][ T32] r4:845ed400 [ 1326.181494][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.181564][ T32] r5:845ed400 r4:8291a680 [ 1326.181612][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.181677][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.181763][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0465e08 [ 1326.181795][ T32] r4:00000000 [ 1326.181818][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.181858][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.181901][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.181948][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8462b480 [ 1326.181973][ T32] r4:00000000 [ 1326.182024][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.182084][ T32] r9:83018005 r8:845ed400 r7:00000000 r6:83018000 r5:00001000 r4:7f063000 [ 1326.182111][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.182164][ T32] r5:00001000 r4:e04b5000 [ 1326.182187][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.182264][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.182317][ T32] r5:84b8bf8c r4:84b8bc00 [ 1326.182342][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.182411][ T32] r7:dddced80 r6:83018000 r5:84b8bf8c r4:84aaf700 [ 1326.182435][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.182490][ T32] r10:61c88647 r9:845ed400 r8:84aaf72c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1326.182517][ T32] r4:84aaf700 [ 1326.182539][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.182600][ T32] r10:00000000 r9:84aaf700 r8:80287e08 r7:e0309e60 r6:84aaf780 r5:845ed400 [ 1326.182627][ T32] r4:00000001 [ 1326.182649][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.182694][ T32] Exception stack(0xe0465fb0 to 0xe0465ff8) [ 1326.182724][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.182754][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.182798][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.182836][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.182861][ T32] r4:8462b180 [ 1326.183379][ T32] INFO: task kworker/0:82:3638 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.183423][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.183544][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.183645][ T32] Call trace: [ 1326.183685][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.183743][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.183769][ T32] r4:00000000 [ 1326.183791][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.183835][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.183865][ T32] dd20: a39a3000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.183897][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.183925][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.183952][ T32] r5:800d0013 r4:80239bb0 [ 1326.183974][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.184018][ T32] r4:82ac21e4 [ 1326.184041][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.184085][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.184139][ T32] r4:e044ddc0 [ 1326.184167][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.184215][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.184269][ T32] r4:00000000 [ 1326.184298][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.184350][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 9 printk messages dropped ** [ 1326.184898][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1326.184990][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1326.185144][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1326.185577][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1326.185969][ T32] r5:845c8000 r4:8291a680 ** 3 printk messages dropped ** [ 1326.186133][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1326.186342][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1326.186583][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.186635][ T32] r5:84a2778c r4:84a27400 ** 3 printk messages dropped ** [ 1326.186809][ T32] r10:61c88647 r9:845c8000 r8:84ab5eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1326.187060][ T32] Exception stack(0xe04ddfb0 to 0xe04ddff8) ** 6 printk messages dropped ** [ 1326.187606][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1326.188198][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1326.188548][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1326.188716][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 1 printk messages dropped ** [ 1326.188784][ T32] r5:00001000 r4:dfe3d000 [ 1326.188836][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.188889][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.188935][ T32] r5:84a2438c r4:84a24000 [ 1326.188957][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.189006][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.189030][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.189094][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.189123][ T32] r4:84ab5800 [ 1326.189144][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.189214][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.189354][ T32] r4:00000001 [ 1326.197948][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.198078][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.198123][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.198170][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.198203][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.198239][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.198322][ T32] r4:84ab0640 [ 1326.198360][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.198404][ T32] INFO: task kworker/1:183:3641 blocked for more than 452 seconds. [ 1326.198445][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.198502][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.198547][ T32] task:kworker/1:183 state:D stack:0 pid:3641 tgid:3641 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.198625][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.198682][ T32] Call trace: [ 1326.198738][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.198826][ T32] r10:8291a684 r9:e04d9d84 r8:00000002 r7:60000113 r6:e04d9d8c r5:845c8c00 [ 1326.198885][ T32] r4:845c8c00 [ 1326.198911][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.198987][ T32] r5:845c8c00 r4:8291a680 [ 1326.199015][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.199060][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.199105][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e04d9e08 [ 1326.199159][ T32] r4:00000000 [ 1326.199206][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.199367][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.215849][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.215991][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84622040 [ 1326.216029][ T32] r4:00000000 [ 1326.216082][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1326.216284][ T32] r5:00001000 r4:e0499000 ** 2 printk messages dropped ** [ 1326.216542][ T32] r5:84a26f8c r4:84a26c00 [ 1326.216568][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1326.216726][ T32] r10:61c88647 r9:845c8c00 r8:84ab5fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1326.217183][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1326.217947][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1326.218229][ T32] dd20: a3ba4000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 9 printk messages dropped ** [ 1326.218813][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 7 printk messages dropped ** [ 1326.219154][ T32] r5:84a2438c r4:84a24000 ** 3 printk messages dropped ** [ 1326.226017][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1326.226342][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1326.226674][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1326.227089][ T32] r5:845cb000 r4:8291a680 ** 4 printk messages dropped ** [ 1326.227293][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 6 printk messages dropped ** [ 1326.227598][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1326.227779][ T32] r5:84b9478c r4:84b94400 ** 3 printk messages dropped ** [ 1326.227966][ T32] r10:61c88647 r9:845cb000 r8:84aaf82c r7:82804d40 r6:dddced80 r5:dddceda0 ** 6 printk messages dropped ** [ 1326.228176][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1326.243538][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1326.243872][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.243903][ T32] r5:800d0013 r4:80239bb0 [ 1326.243944][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.243999][ T32] r4:82ac21e4 [ 1326.244021][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.244068][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.244105][ T32] r4:e044ddc0 [ 1326.244132][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.244179][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.244204][ T32] r4:00000000 [ 1326.244258][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.244316][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.244340][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.244432][ T32] r5:00001000 r4:dfe3d000 [ 1326.244542][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.244602][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.244651][ T32] r5:84a2438c r4:84a24000 [ 1326.244675][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.244775][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.244804][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.244889][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.244949][ T32] r4:84ab5800 [ 1326.244976][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.245029][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.245126][ T32] r4:00000001 [ 1326.245183][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.245227][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.245256][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.245291][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.245358][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.245425][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.245482][ T32] r4:84ab0640 [ 1326.245513][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.245566][ T32] INFO: task kworker/1:184:3646 blocked for more than 452 seconds. [ 1326.245610][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.245696][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.245728][ T32] task:kworker/1:184 state:D stack:0 pid:3646 tgid:3646 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.245796][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.245878][ T32] Call trace: [ 1326.245922][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.246005][ T32] r10:8291a684 r9:e0511d84 r8:00000002 r7:60000113 r6:e0511d8c r5:845cbc00 [ 1326.246041][ T32] r4:845cbc00 [ 1326.246098][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.246206][ T32] r5:845cbc00 r4:8291a680 [ 1326.246240][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.246285][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.246333][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0511e08 [ 1326.246379][ T32] r4:00000000 [ 1326.246425][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.246464][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.246503][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.246547][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846228c0 [ 1326.246614][ T32] r4:00000000 [ 1326.246698][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.246754][ T32] r9:83018205 r8:845cbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 [ 1326.246778][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.246852][ T32] r5:00001000 r4:df885000 [ 1326.246880][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.246924][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.246969][ T32] r5:84a2738c r4:84a27000 [ 1326.247017][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.247100][ T32] r7:ddde2d80 r6:83018200 r5:84a2738c r4:84abd100 [ 1326.247127][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.247241][ T32] r10:61c88647 r9:845cbc00 r8:84abd12c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.247270][ T32] r4:84abd100 [ 1326.247297][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.247348][ T32] r10:00000000 r9:84abd100 r8:80287e08 r7:e04dde60 r6:84abd180 r5:845cbc00 [ 1326.247372][ T32] r4:00000001 [ 1326.247403][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.247448][ T32] Exception stack(0xe0511fb0 to 0xe0511ff8) [ 1326.247479][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1326.247537][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.247571][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.247616][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.247702][ T32] r4:84622540 [ 1326.248156][ T32] INFO: task kworker/1:184:3646 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.248198][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.248309][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.248392][ T32] Call trace: [ 1326.248440][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.248526][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.248623][ T32] r4:00000000 [ 1326.248652][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.248711][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.248759][ T32] dd20: a3edd000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.248822][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.248854][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.248883][ T32] r5:800d0013 r4:80239bb0 [ 1326.248935][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.249040][ T32] r4:82ac21e4 [ 1326.249070][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.249122][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.249237][ T32] r4:e044ddc0 [ 1326.249360][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.270059][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 3 printk messages dropped ** [ 1326.270280][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1326.270867][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 8 printk messages dropped ** [ 1326.271324][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.271366][ T32] INFO: task kworker/0:84:3647 blocked for more than 452 seconds. [ 1326.271417][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.271480][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.271515][ T32] task:kworker/0:84 state:D stack:0 pid:3647 tgid:3647 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.271602][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.271719][ T32] Call trace: [ 1326.271792][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.271855][ T32] r10:8291a684 r9:e0515d84 r8:00000002 r7:60000113 r6:e0515d8c r5:845cc800 [ 1326.271881][ T32] r4:845cc800 [ 1326.271903][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.271951][ T32] r5:845cc800 r4:8291a680 [ 1326.271974][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.272062][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.272133][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0515e08 [ 1326.272165][ T32] r4:00000000 [ 1326.272192][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.272233][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.272295][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.272359][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b63c40 [ 1326.272398][ T32] r4:00000000 [ 1326.272420][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.272498][ T32] r9:83018005 r8:845cc800 r7:00000000 r6:83018000 r5:00001000 r4:7f057000 [ 1326.272546][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.272597][ T32] r5:00001000 r4:e04ad000 [ 1326.272619][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.272692][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.272746][ T32] r5:84b95b8c r4:84b95800 [ 1326.272770][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.272820][ T32] r7:dddced80 r6:83018000 r5:84b95b8c r4:84aaf880 [ 1326.272855][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.272907][ T32] r10:61c88647 r9:845cc800 r8:84aaf8ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1326.272949][ T32] r4:84aaf880 [ 1326.272988][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.273059][ T32] r10:00000000 r9:84aaf880 r8:80287e08 r7:e04fde60 r6:84abd200 r5:845cc800 [ 1326.273103][ T32] r4:00000001 [ 1326.273130][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.273232][ T32] Exception stack(0xe0515fb0 to 0xe0515ff8) [ 1326.273266][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.273300][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.273336][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.273370][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.273403][ T32] r4:8462b540 [ 1326.273911][ T32] INFO: task kworker/0:84:3647 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.273951][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.274049][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.274106][ T32] Call trace: [ 1326.274156][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.274223][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.274365][ T32] r4:00000000 [ 1326.274416][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.274466][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.274559][ T32] dd20: a4194000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.274596][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.274686][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.274718][ T32] r5:800d0013 r4:80239bb0 [ 1326.274743][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.274790][ T32] r4:82ac21e4 [ 1326.274812][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.274859][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.274884][ T32] r4:e044ddc0 [ 1326.274933][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.274985][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.275013][ T32] r4:00000000 [ 1326.275034][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.275099][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.275156][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.275209][ T32] r5:00001000 r4:dfe3d000 [ 1326.275231][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.275275][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.275321][ T32] r5:84a2438c r4:84a24000 [ 1326.275373][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.275442][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.275468][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.275520][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.275545][ T32] r4:84ab5800 [ 1326.275567][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.275635][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.275704][ T32] r4:00000001 [ 1326.275732][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.275772][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.275806][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.275868][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.275986][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.276024][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.276107][ T32] r4:84ab0640 [ 1326.276135][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.276166][ T32] INFO: task kworker/0:85:3649 blocked for more than 452 seconds. [ 1326.276199][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.276226][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.276307][ T32] task:kworker/0:85 state:D stack:0 pid:3649 tgid:3649 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.276458][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.276534][ T32] Call trace: [ 1326.276606][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.276664][ T32] r10:8291a684 r9:e04e1d84 r8:00000002 r7:60000113 r6:e04e1d8c r5:845eb000 [ 1326.276690][ T32] r4:845eb000 [ 1326.276748][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.276802][ T32] r5:845eb000 r4:8291a680 [ 1326.276825][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.276866][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.276912][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e04e1e08 [ 1326.276937][ T32] r4:00000000 [ 1326.276957][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.276994][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.277034][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.277078][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848c2540 [ 1326.277133][ T32] r4:00000000 [ 1326.277189][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.277245][ T32] r9:83018005 r8:845eb000 r7:00000000 r6:83018000 r5:00001000 r4:7f08b000 [ 1326.277299][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.277351][ T32] r5:00001000 r4:e0355000 [ 1326.277374][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.277433][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.277480][ T32] r5:84b94f8c r4:84b94c00 [ 1326.277502][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.277552][ T32] r7:dddced80 r6:83018000 r5:84b94f8c r4:84aaf900 ** 1 printk messages dropped ** [ 1326.277657][ T32] r10:61c88647 r9:845eb000 r8:84aaf92c r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1326.277988][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1326.278708][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 6 printk messages dropped ** [ 1326.279095][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 8 printk messages dropped ** [ 1326.305185][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1326.305642][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1326.306563][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1326.306934][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1326.307685][ T32] Call trace: ** 6 printk messages dropped ** [ 1326.308149][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1326.308656][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1326.309032][ T32] r5:84a27b8c r4:84a27800 ** 3 printk messages dropped ** [ 1326.320169][ T32] r10:61c88647 r9:842a8000 r8:84abd2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1326.320623][ T32] Exception stack(0xe04edfb0 to 0xe04edff8) [ 1326.320671][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.320708][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.320758][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.320793][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.320818][ T32] r4:846224c0 [ 1326.321273][ T32] INFO: task kworker/1:185:3651 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.321317][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.321429][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.321487][ T32] Call trace: [ 1326.321522][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.321622][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.321667][ T32] r4:00000000 [ 1326.321690][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.321765][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.321828][ T32] dd20: a44ca000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.321874][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.321943][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.321987][ T32] r5:800d0013 r4:80239bb0 [ 1326.322013][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.322094][ T32] r4:82ac21e4 [ 1326.322123][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.322173][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.322199][ T32] r4:e044ddc0 [ 1326.322248][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.322337][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.322379][ T32] r4:00000000 [ 1326.322404][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.322459][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.322491][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.322544][ T32] r5:00001000 r4:dfe3d000 [ 1326.322664][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.322733][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.322787][ T32] r5:84a2438c r4:84a24000 [ 1326.322934][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.323026][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.323104][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.323163][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.323199][ T32] r4:84ab5800 [ 1326.323254][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.323373][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.323420][ T32] r4:00000001 [ 1326.323444][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.323486][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.323515][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.323547][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.323578][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.323610][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 1 printk messages dropped ** [ 1326.323669][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1326.324010][ T32] r4:845c9800 ** 6 printk messages dropped ** [ 1326.324337][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 10 printk messages dropped ** [ 1326.324996][ T32] r5:84a27f8c r4:84a27c00 [ 1326.325017][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.325095][ T32] r7:ddde2d80 r6:83018200 r5:84a27f8c r4:84abd300 ** 1 printk messages dropped ** [ 1326.325177][ T32] r10:61c88647 r9:845c9800 r8:84abd32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1326.325586][ T32] r4:84622940 ** 4 printk messages dropped ** [ 1326.326306][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 6 printk messages dropped ** [ 1326.326653][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 8 printk messages dropped ** [ 1326.327053][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.327424][ T32] r5:84a2438c r4:84a24000 ** 6 printk messages dropped ** [ 1326.327787][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1326.328135][ T32] INFO: task kworker/1:187:3656 blocked for more than 452 seconds. ** 7 printk messages dropped ** [ 1326.328554][ T32] r4:845cd400 ** 3 printk messages dropped ** [ 1326.328759][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1326.349873][ T32] r5:00001000 r4:dfbf5000 [ 1326.349933][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.350020][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.350071][ T32] r5:84a2c78c r4:84a2c400 [ 1326.350121][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.350218][ T32] r7:ddde2d80 r6:83018200 r5:84a2c78c r4:84abd400 [ 1326.350343][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.350404][ T32] r10:61c88647 r9:845cd400 r8:84abd42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.350430][ T32] r4:84abd400 [ 1326.350562][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.350675][ T32] r10:00000000 r9:84abd400 r8:80287e08 r7:e050de60 r6:84abd480 r5:845cd400 [ 1326.350706][ T32] r4:00000001 [ 1326.350730][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.350776][ T32] Exception stack(0xe034dfb0 to 0xe034dff8) [ 1326.350811][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.350959][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.350994][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.351077][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.351108][ T32] r4:84622b80 [ 1326.351577][ T32] INFO: task kworker/1:187:3656 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.351634][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.351828][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.351935][ T32] Call trace: [ 1326.352049][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.352114][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.352148][ T32] r4:00000000 [ 1326.352300][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.352351][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.352384][ T32] dd20: a45f7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.352415][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.352444][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.352529][ T32] r5:800d0013 r4:80239bb0 [ 1326.352584][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.352644][ T32] r4:82ac21e4 [ 1326.352668][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.352715][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.352769][ T32] r4:e044ddc0 [ 1326.352797][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.352845][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.352871][ T32] r4:00000000 [ 1326.352893][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.352943][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.352967][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.353045][ T32] r5:00001000 r4:dfe3d000 [ 1326.353074][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.353120][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.353199][ T32] r5:84a2438c r4:84a24000 [ 1326.353335][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.353424][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.353562][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.353771][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.353802][ T32] r4:84ab5800 [ 1326.353898][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.353958][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.353984][ T32] r4:00000001 [ 1326.354008][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.354125][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.354280][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.354316][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.354438][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.354477][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.354503][ T32] r4:84ab0640 [ 1326.354526][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.354577][ T32] INFO: task kworker/1:188:3657 blocked for more than 452 seconds. [ 1326.354626][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.354657][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1326.354787][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1326.355058][ T32] r5:845ce000 r4:8291a680 ** 3 printk messages dropped ** [ 1326.355189][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1326.355247][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 3 printk messages dropped ** [ 1326.355667][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1326.355949][ T32] r5:84a2c38c r4:84a2c000 [ 1326.355982][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.356048][ T32] r7:ddde2d80 r6:83018200 r5:84a2c38c r4:84abd500 ** 1 printk messages dropped ** [ 1326.356140][ T32] r10:61c88647 r9:845ce000 r8:84abd52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.356165][ T32] r4:84abd500 [ 1326.356186][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.356270][ T32] r10:00000000 r9:84abd500 r8:80287e08 r7:e034de60 r6:84abd580 r5:845ce000 [ 1326.356345][ T32] r4:00000001 [ 1326.356379][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.356443][ T32] Exception stack(0xe0359fb0 to 0xe0359ff8) [ 1326.356537][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1326.356591][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.356631][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.356665][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.356689][ T32] r4:84622b80 [ 1326.356963][ T32] INFO: task kworker/1:188:3657 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.357002][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.357066][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.357115][ T32] Call trace: [ 1326.357181][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.357242][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.357315][ T32] r4:00000000 [ 1326.357374][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.357452][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.357487][ T32] dd20: a45f7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.357518][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.357546][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.357573][ T32] r5:800d0013 r4:80239bb0 [ 1326.357594][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.357650][ T32] r4:82ac21e4 [ 1326.357673][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.357718][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.357750][ T32] r4:e044ddc0 [ 1326.357772][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.357821][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.357876][ T32] r4:00000000 [ 1326.357903][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.357969][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.358043][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.358094][ T32] r5:00001000 r4:dfe3d000 [ 1326.358144][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.358192][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.358239][ T32] r5:84a2438c r4:84a24000 [ 1326.358454][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.358513][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.358536][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.358624][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.358654][ T32] r4:84ab5800 [ 1326.358675][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.358731][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.358779][ T32] r4:00000001 [ 1326.358805][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.358844][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.358899][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.358934][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.358963][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.358996][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.359021][ T32] r4:84ab0640 [ 1326.359043][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.359070][ T32] INFO: task kworker/1:189:3659 blocked for more than 452 seconds. [ 1326.359129][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.359172][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.359220][ T32] task:kworker/1:189 state:D stack:0 pid:3659 tgid:3659 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.394668][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.394802][ T32] Call trace: [ 1326.394844][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.394926][ T32] r10:8291a684 r9:e0341d84 r8:00000002 r7:60000113 r6:e0341d8c r5:845cec00 [ 1326.394957][ T32] r4:845cec00 [ 1326.395101][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.395159][ T32] r5:845cec00 r4:8291a680 [ 1326.395184][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.395304][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.395417][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0341e08 [ 1326.395539][ T32] r4:00000000 [ 1326.395565][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 1 printk messages dropped ** [ 1326.395662][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1326.396117][ T32] r5:84a2cb8c r4:84a2c800 [ 1326.396141][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.396193][ T32] r7:ddde2d80 r6:83018200 r5:84a2cb8c r4:84abd600 [ 1326.396219][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.396271][ T32] r10:61c88647 r9:845cec00 r8:84abd62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.396296][ T32] r4:84abd600 [ 1326.396317][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.396367][ T32] r10:00000000 r9:84abd600 r8:80287e08 r7:e034de60 r6:84abd680 r5:845cec00 [ 1326.396467][ T32] r4:00000001 [ 1326.396494][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.396559][ T32] Exception stack(0xe0341fb0 to 0xe0341ff8) [ 1326.396592][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1326.396630][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.396753][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.396830][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.396951][ T32] r4:84622300 [ 1326.397423][ T32] INFO: task kworker/1:189:3659 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.397559][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.397678][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.397797][ T32] Call trace: [ 1326.397839][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.397900][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.398020][ T32] r4:00000000 [ 1326.398054][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.398226][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.398263][ T32] dd20: a4a0e000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 9 printk messages dropped ** [ 1326.414157][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 13 printk messages dropped ** [ 1326.414994][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 11 printk messages dropped ** [ 1326.415460][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 10 printk messages dropped ** [ 1326.416192][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 13 printk messages dropped ** [ 1326.417107][ T32] r5:84a2d38c r4:84a2d000 ** 3 printk messages dropped ** [ 1326.417273][ T32] r10:61c88647 r9:845ca400 r8:84abd72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.417301][ T32] r4:84abd700 [ 1326.417323][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.417391][ T32] r10:00000000 r9:84abd700 r8:80287e08 r7:e0341e60 r6:84abd780 r5:845ca400 [ 1326.417421][ T32] r4:00000001 [ 1326.417472][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.417516][ T32] Exception stack(0xe0365fb0 to 0xe0365ff8) [ 1326.417545][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.417576][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.417605][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.417656][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.417682][ T32] r4:84aaed00 [ 1326.418177][ T32] INFO: task kworker/1:190:3662 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.418221][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.418315][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.418367][ T32] Call trace: [ 1326.418447][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.418551][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.418583][ T32] r4:00000000 [ 1326.418606][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 1 printk messages dropped ** [ 1326.418690][ T32] dd20: a4bb4000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 16 printk messages dropped ** [ 1326.440335][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1326.440927][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 11 printk messages dropped ** [ 1326.441863][ T32] Call trace: ** 9 printk messages dropped ** [ 1326.442357][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 10 printk messages dropped ** [ 1326.442875][ T32] r5:84a2cf8c r4:84a2cc00 ** 6 printk messages dropped ** [ 1326.443228][ T32] r10:00000000 r9:84abd880 r8:80287e08 r7:e0365e60 r6:84abd900 r5:845c6c00 ** 7 printk messages dropped ** [ 1326.443576][ T32] r4:84ab2080 [ 1326.444082][ T32] INFO: task kworker/1:191:3663 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.444171][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.444373][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.444458][ T32] Call trace: [ 1326.444614][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.444674][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.444785][ T32] r4:00000000 [ 1326.444842][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.444890][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.444920][ T32] dd20: a4f8b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.444951][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.444979][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.445005][ T32] r5:800d0013 r4:80239bb0 [ 1326.445028][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.445072][ T32] r4:82ac21e4 [ 1326.445107][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.445157][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.445212][ T32] r4:e044ddc0 [ 1326.445267][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.445318][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.445343][ T32] r4:00000000 [ 1326.445364][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.445567][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.445595][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.445671][ T32] r5:00001000 r4:dfe3d000 [ 1326.445708][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.445781][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.445854][ T32] r5:84a2438c r4:84a24000 [ 1326.445937][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.446020][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.446054][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.446106][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.446137][ T32] r4:84ab5800 [ 1326.446246][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.446305][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.446330][ T32] r4:00000001 [ 1326.446376][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.446420][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.446449][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.446482][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.446510][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.446541][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.446565][ T32] r4:84ab0640 ** 2 printk messages dropped ** [ 1326.446646][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 5 printk messages dropped ** [ 1326.447082][ T32] r10:8291a684 r9:e037dd84 r8:00000002 r7:60000113 r6:e037dd8c r5:84912400 ** 7 printk messages dropped ** [ 1326.447470][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 6 printk messages dropped ** [ 1326.447818][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1326.448027][ T32] r5:84a2d78c r4:84a2d400 [ 1326.448060][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1326.448184][ T32] r10:61c88647 r9:84912400 r8:84abd82c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1326.448411][ T32] Exception stack(0xe037dfb0 to 0xe037dff8) [ 1326.448444][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.448475][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.448525][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.448559][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.448585][ T32] r4:84ab2180 [ 1326.448862][ T32] INFO: task kworker/1:192:3667 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.448899][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.449044][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.449142][ T32] Call trace: [ 1326.449176][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.449312][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.470592][ T32] r4:00000000 [ 1326.470701][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.470845][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.470949][ T32] dd20: a50ca000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.471060][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.471127][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.471206][ T32] r5:800d0013 r4:80239bb0 [ 1326.471260][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.471359][ T32] r4:82ac21e4 [ 1326.471418][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.471513][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.471564][ T32] r4:e044ddc0 [ 1326.471607][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.471697][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.471750][ T32] r4:00000000 [ 1326.471795][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.471895][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.471940][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.472032][ T32] r5:00001000 r4:dfe3d000 [ 1326.472098][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.472192][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.472288][ T32] r5:84a2438c r4:84a24000 [ 1326.472332][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.472443][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.472489][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.472622][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.472677][ T32] r4:84ab5800 [ 1326.472722][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.472834][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.472885][ T32] r4:00000001 [ 1326.472928][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.473025][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.473118][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.473186][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1326.473863][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1326.474515][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0399e08 ** 12 printk messages dropped ** [ 1326.475678][ T32] r5:84a2df8c r4:84a2dc00 [ 1326.475730][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.475830][ T32] r7:ddde2d80 r6:83018200 r5:84a2df8c r4:84abda00 [ 1326.475877][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.475996][ T32] r10:61c88647 r9:845d0000 r8:84abda2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.476057][ T32] r4:84abda00 [ 1326.476121][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.476242][ T32] r10:00000000 r9:84abda00 r8:80287e08 r7:e037de60 r6:84abda80 r5:845d0000 [ 1326.476299][ T32] r4:00000001 [ 1326.476342][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.476435][ T32] Exception stack(0xe0399fb0 to 0xe0399ff8) [ 1326.476494][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1326.476597][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.476683][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.476760][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.476836][ T32] r4:84ab22c0 [ 1326.477499][ T32] INFO: task kworker/1:193:3668 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.477573][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.477688][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1326.478066][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 17 printk messages dropped ** [ 1326.478810][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 13 printk messages dropped ** [ 1326.504941][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.505007][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.505053][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.505082][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.505133][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.505164][ T32] r4:84ab0640 [ 1326.505200][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.505269][ T32] INFO: task kworker/1:194:3669 blocked for more than 452 seconds. [ 1326.505341][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.505387][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.505414][ T32] task:kworker/1:194 state:D stack:0 pid:3669 tgid:3669 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.505576][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.505640][ T32] Call trace: [ 1326.505753][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.505881][ T32] r10:8291a684 r9:e0389d84 r8:00000002 r7:60000113 r6:e0389d8c r5:845d0c00 [ 1326.505943][ T32] r4:845d0c00 [ 1326.506009][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.506112][ T32] r5:845d0c00 r4:8291a680 [ 1326.506159][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.506257][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.506349][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0389e08 ** 1 printk messages dropped ** [ 1326.506474][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 6 printk messages dropped ** [ 1326.507102][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1326.507323][ T32] r5:84a2db8c r4:84a2d800 ** 1 printk messages dropped ** [ 1326.507428][ T32] r7:ddde2d80 r6:83018200 r5:84a2db8c r4:84abdb00 ** 1 printk messages dropped ** [ 1326.507557][ T32] r10:61c88647 r9:845d0c00 r8:84abdb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1326.507927][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1326.508809][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1326.524300][ T32] dd20: a52b8000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 10 printk messages dropped ** [ 1326.525140][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.525719][ T32] r5:84a2438c r4:84a24000 ** 5 printk messages dropped ** [ 1326.526130][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1326.526777][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1326.527020][ T32] INFO: task kworker/1:195:3672 blocked for more than 452 seconds. ** 4 printk messages dropped ** [ 1326.527508][ T32] Call trace: ** 4 printk messages dropped ** [ 1326.528009][ T32] r5:845d1800 r4:8291a680 ** 2 printk messages dropped ** [ 1326.528284][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e03a5e08 [ 1326.528333][ T32] r4:00000000 [ 1326.528384][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.528460][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.528562][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.528659][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab2900 [ 1326.528712][ T32] r4:00000000 [ 1326.528759][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.528854][ T32] r9:83018205 r8:845d1800 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1326.528929][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.529030][ T32] r5:00001000 r4:dfd5f000 [ 1326.529074][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.529152][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.529237][ T32] r5:84a2e38c r4:84a2e000 [ 1326.545821][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.546184][ T32] r7:ddde2d80 r6:83018200 r5:84a2e38c r4:84abdc00 [ 1326.546303][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.546424][ T32] r10:61c88647 r9:845d1800 r8:84abdc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.546478][ T32] r4:84abdc00 [ 1326.546547][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.546659][ T32] r10:00000000 r9:84abdc00 r8:80287e08 r7:e0399e60 r6:84abdc80 r5:845d1800 [ 1326.546712][ T32] r4:00000001 [ 1326.546759][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.546843][ T32] Exception stack(0xe03a5fb0 to 0xe03a5ff8) [ 1326.546926][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.546996][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.547054][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.547119][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.547167][ T32] r4:84ab2640 [ 1326.547987][ T32] INFO: task kworker/1:195:3672 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.548100][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.548261][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.548363][ T32] Call trace: [ 1326.548468][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.548634][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.548708][ T32] r4:00000000 [ 1326.548776][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.548878][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.548957][ T32] dd20: a547b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.549025][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.549089][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.549142][ T32] r5:800d0013 r4:80239bb0 [ 1326.549186][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.549360][ T32] r4:82ac21e4 [ 1326.574464][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.574702][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.574767][ T32] r4:e044ddc0 [ 1326.574843][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.574970][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 3 printk messages dropped ** [ 1326.575248][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 13 printk messages dropped ** [ 1326.576435][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 10 printk messages dropped ** [ 1326.577342][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1326.578280][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1326.579161][ T32] r5:84a2f38c r4:84a2f000 ** 3 printk messages dropped ** [ 1326.590500][ T32] r10:61c88647 r9:845d2400 r8:84abdd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 12 printk messages dropped ** [ 1326.592354][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 17 printk messages dropped ** [ 1326.594070][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1326.594947][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 4 printk messages dropped ** [ 1326.595332][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.595393][ T32] r4:00000001 [ 1326.595458][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.595540][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.595616][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.595717][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.595794][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.595864][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.595946][ T32] r4:84ab0640 [ 1326.596011][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.596111][ T32] INFO: task kworker/1:197:3675 blocked for more than 453 seconds. [ 1326.596186][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.596263][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.596324][ T32] task:kworker/1:197 state:D stack:0 pid:3675 tgid:3675 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.596470][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.596614][ T32] Call trace: [ 1326.596765][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.596871][ T32] r10:8291a684 r9:e03c9d84 r8:00000002 r7:60000113 r6:e03c9d8c r5:845d3c00 [ 1326.596921][ T32] r4:845d3c00 [ 1326.596966][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.597074][ T32] r5:845d3c00 r4:8291a680 [ 1326.597145][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.597232][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.597321][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e03c9e08 [ 1326.597414][ T32] r4:00000000 [ 1326.597487][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.597579][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.597659][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.597746][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab2a80 [ 1326.597800][ T32] r4:00000000 [ 1326.597850][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.597969][ T32] r9:83018205 r8:845d3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 [ 1326.598032][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.598123][ T32] r5:00001000 r4:dfd75000 [ 1326.598206][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.598335][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.598463][ T32] r5:84a2e78c r4:84a2e400 [ 1326.598563][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.598686][ T32] r7:ddde2d80 r6:83018200 r5:84a2e78c r4:84abde00 [ 1326.598742][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.598849][ T32] r10:61c88647 r9:845d3c00 r8:84abde2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.598909][ T32] r4:84abde00 [ 1326.598981][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.599091][ T32] r10:00000000 r9:84abde00 r8:80287e08 r7:e03b1e60 r6:84abde80 r5:845d3c00 [ 1326.599160][ T32] r4:00000001 [ 1326.599209][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.623843][ T32] Exception stack(0xe03c9fb0 to 0xe03c9ff8) [ 1326.623984][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1326.624025][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.624057][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.624095][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.624121][ T32] r4:84ab2880 [ 1326.624676][ T32] INFO: task kworker/1:197:3675 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 1 printk messages dropped ** [ 1326.624912][ T32] Workqueue: events bpf_prog_free_deferred ** 13 printk messages dropped ** [ 1326.625746][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 14 printk messages dropped ** [ 1326.626507][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 15 printk messages dropped ** [ 1326.627280][ T32] task:kworker/1:198 state:D stack:0 pid:3676 tgid:3676 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 18 printk messages dropped ** [ 1326.628367][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1326.628848][ T32] r10:61c88647 r9:845d4800 r8:84abdf2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1326.646176][ T32] r4:84ab2880 ** 4 printk messages dropped ** [ 1326.646975][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 8 printk messages dropped ** [ 1326.647457][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.647536][ T32] r4:82ac21e4 [ 1326.647563][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.647627][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.647653][ T32] r4:e044ddc0 [ 1326.647675][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.647743][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.647773][ T32] r4:00000000 [ 1326.647818][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.647874][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.647922][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.648015][ T32] r5:00001000 r4:dfe3d000 [ 1326.648074][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.648129][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.648199][ T32] r5:84a2438c r4:84a24000 [ 1326.648254][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.648313][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.648364][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.648421][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.648447][ T32] r4:84ab5800 [ 1326.648468][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.648563][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.648592][ T32] r4:00000001 [ 1326.648621][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.648664][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.648717][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.648754][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.648809][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.648845][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.648884][ T32] r4:84ab0640 [ 1326.648912][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.648946][ T32] INFO: task kworker/1:199:3679 blocked for more than 453 seconds. [ 1326.648983][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.649011][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.649047][ T32] task:kworker/1:199 state:D stack:0 pid:3679 tgid:3679 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.649102][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.649166][ T32] Call trace: [ 1326.649227][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 1 printk messages dropped ** [ 1326.658946][ T32] r4:845d5400 ** 7 printk messages dropped ** [ 1326.660267][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1326.660853][ T32] r5:84a2ef8c r4:84a2ec00 ** 3 printk messages dropped ** [ 1326.661071][ T32] r10:61c88647 r9:845d5400 r8:8463702c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1326.661627][ T32] r4:84ab2dc0 ** 4 printk messages dropped ** [ 1326.662466][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 6 printk messages dropped ** [ 1326.662796][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 8 printk messages dropped ** [ 1326.663206][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1326.663352][ T32] r5:00001000 r4:dfe3d000 ** 5 printk messages dropped ** [ 1326.663694][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1326.664182][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 13 printk messages dropped ** [ 1326.664956][ T32] r5:845d6000 r4:8291a680 ** 8 printk messages dropped ** [ 1326.665315][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.665646][ T32] r5:84a2f78c r4:84a2f400 ** 1 printk messages dropped ** [ 1326.665737][ T32] r7:ddde2d80 r6:83018200 r5:84a2f78c r4:84637100 [ 1326.665782][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.665843][ T32] r10:61c88647 r9:845d6000 r8:8463712c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.665868][ T32] r4:84637100 [ 1326.665890][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.665939][ T32] r10:00000000 r9:84637100 r8:80287e08 r7:e03b1e60 r6:84637180 r5:845d6000 [ 1326.665994][ T32] r4:00000001 [ 1326.666025][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.666070][ T32] Exception stack(0xe03f5fb0 to 0xe03f5ff8) [ 1326.666098][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.666129][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.666158][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.666210][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.666262][ T32] r4:84ab2e40 [ 1326.666585][ T32] INFO: task kworker/1:200:3682 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.666657][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.666756][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.666822][ T32] Call trace: [ 1326.666868][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.666926][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.666952][ T32] r4:00000000 [ 1326.666973][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.667017][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.667071][ T32] dd20: a5b52000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.667111][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.667141][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.667185][ T32] r5:800d0013 r4:80239bb0 [ 1326.667237][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.667289][ T32] r4:82ac21e4 [ 1326.667312][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.667359][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.667384][ T32] r4:e044ddc0 [ 1326.667417][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.667491][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.667520][ T32] r4:00000000 [ 1326.667543][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.667627][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 7 printk messages dropped ** [ 1326.667958][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 14 printk messages dropped ** [ 1326.668752][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 12 printk messages dropped ** [ 1326.705734][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.706208][ T32] r9:83018205 r8:845d6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f08d000 ** 6 printk messages dropped ** [ 1326.706583][ T32] r7:ddde2d80 r6:83018200 r5:84a2ff8c r4:84637200 ** 8 printk messages dropped ** [ 1326.707091][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1326.707175][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.707211][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.707265][ T32] r4:84ab2f80 [ 1326.707758][ T32] INFO: task kworker/1:201:3684 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.707858][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.707977][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.708072][ T32] Call trace: [ 1326.708124][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.708188][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.708215][ T32] r4:00000000 [ 1326.708238][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.708283][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.708372][ T32] dd20: a6330000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.708427][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.708485][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.708561][ T32] r5:800d0013 r4:80239bb0 [ 1326.708589][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.708644][ T32] r4:82ac21e4 [ 1326.708668][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.708716][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.708769][ T32] r4:e044ddc0 [ 1326.708827][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 10 printk messages dropped ** [ 1326.716455][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 7 printk messages dropped ** [ 1326.716977][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 9 printk messages dropped ** [ 1326.717392][ T32] task:kworker/1:202 state:D stack:0 pid:3685 tgid:3685 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1326.718192][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1326.718472][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.718815][ T32] r5:84a2fb8c r4:84a2f800 [ 1326.718897][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1326.719090][ T32] r4:84637300 ** 9 printk messages dropped ** [ 1326.726731][ T32] r4:84639100 ** 2 printk messages dropped ** [ 1326.727420][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.727489][ T32] Call trace: [ 1326.727553][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.727638][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.727698][ T32] r4:00000000 [ 1326.727724][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.727769][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.727800][ T32] dd20: a6330000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.727832][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.727887][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.727925][ T32] r5:800d0013 r4:80239bb0 [ 1326.727976][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.728035][ T32] r4:82ac21e4 [ 1326.728066][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.728117][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.728143][ T32] r4:e044ddc0 [ 1326.728165][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.728214][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.728273][ T32] r4:00000000 [ 1326.728327][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.728421][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.728477][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.728733][ T32] r5:00001000 r4:dfe3d000 [ 1326.728791][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.728876][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.728961][ T32] r5:84a2438c r4:84a24000 [ 1326.728996][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.729083][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.729116][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.729172][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.729356][ T32] r4:84ab5800 [ 1326.743329][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.743464][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.743495][ T32] r4:00000001 [ 1326.743518][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1326.743699][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 15 printk messages dropped ** [ 1326.744668][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 13 printk messages dropped ** [ 1326.745542][ T32] r5:84b9578c r4:84b95400 ** 3 printk messages dropped ** [ 1326.745818][ T32] r10:61c88647 r9:842aa400 r8:84aafaac r7:82804d40 r6:dddced80 r5:dddceda0 ** 15 printk messages dropped ** [ 1326.747705][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 17 printk messages dropped ** [ 1326.749247][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 14 printk messages dropped ** [ 1326.770991][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 2 printk messages dropped ** [ 1326.771146][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.771179][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.771234][ T32] r4:84ab0640 [ 1326.771266][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.771332][ T32] INFO: task kworker/1:203:3691 blocked for more than 453 seconds. [ 1326.771382][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.771463][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.771523][ T32] task:kworker/1:203 state:D stack:0 pid:3691 tgid:3691 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.771639][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.771718][ T32] Call trace: [ 1326.771931][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.771999][ T32] r10:8291a684 r9:e051dd84 r8:00000002 r7:60000113 r6:e051dd8c r5:842ab000 [ 1326.772043][ T32] r4:842ab000 [ 1326.772089][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.772238][ T32] r5:842ab000 r4:8291a680 [ 1326.772277][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.772360][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.772426][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e051de08 [ 1326.772531][ T32] r4:00000000 [ 1326.772573][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.772675][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.772727][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.772776][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84639680 [ 1326.773372][ T32] r4:00000000 [ 1326.773486][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.773553][ T32] r9:83018205 r8:842ab000 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1326.773579][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.773628][ T32] r5:00001000 r4:e03b9000 [ 1326.773699][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.773811][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.773881][ T32] r5:84bb438c r4:84bb4000 [ 1326.773908][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.774023][ T32] r7:ddde2d80 r6:83018200 r5:84bb438c r4:84637400 [ 1326.774052][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.774106][ T32] r10:61c88647 r9:842ab000 r8:8463742c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.774238][ T32] r4:84637400 [ 1326.774376][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.774481][ T32] r10:00000000 r9:84637400 r8:80287e08 r7:e0401e60 r6:84aafb80 r5:842ab000 [ 1326.774587][ T32] r4:00000001 [ 1326.774620][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.774664][ T32] Exception stack(0xe051dfb0 to 0xe051dff8) [ 1326.774723][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1326.775686][ T32] Workqueue: events bpf_prog_free_deferred ** 13 printk messages dropped ** [ 1326.776726][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 14 printk messages dropped ** [ 1326.777654][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 12 printk messages dropped ** [ 1326.778418][ T32] INFO: task kworker/1:204:3693 blocked for more than 453 seconds. ** 14 printk messages dropped ** [ 1326.779413][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 12 printk messages dropped ** [ 1326.821356][ T32] r7:ddde2d80 r6:83018200 r5:84bb478c r4:84637480 [ 1326.821481][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.821572][ T32] r10:61c88647 r9:842abc00 r8:846374ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.821626][ T32] r4:84637480 [ 1326.821657][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.821750][ T32] r10:00000000 r9:84637480 r8:80287e08 r7:e051de60 r6:84aafc00 r5:842abc00 [ 1326.821806][ T32] r4:00000001 [ 1326.821856][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.821945][ T32] Exception stack(0xe0525fb0 to 0xe0525ff8) [ 1326.822019][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.822076][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.822115][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.822170][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.822245][ T32] r4:84639500 [ 1326.822975][ T32] INFO: task kworker/1:204:3693 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.823060][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.823312][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.823421][ T32] Call trace: [ 1326.823472][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.823600][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.823651][ T32] r4:00000000 [ 1326.823767][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.823832][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.823895][ T32] dd20: a6a6a000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.823935][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.823994][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.824029][ T32] r5:800d0013 r4:80239bb0 [ 1326.824054][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.824310][ T32] r4:82ac21e4 [ 1326.824372][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.824447][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.824538][ T32] r4:e044ddc0 [ 1326.824691][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.824788][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.824829][ T32] r4:00000000 [ 1326.824855][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.824912][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.824939][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.824988][ T32] r5:00001000 r4:dfe3d000 [ 1326.825030][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.825110][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.825211][ T32] r5:84a2438c r4:84a24000 [ 1326.825258][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.825387][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.825455][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.825549][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.825579][ T32] r4:84ab5800 [ 1326.825603][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.825706][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.825739][ T32] r4:00000001 [ 1326.825821][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.825936][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.825973][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.826007][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.826040][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.826113][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.826150][ T32] r4:84ab0640 [ 1326.826179][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.826240][ T32] INFO: task kworker/1:205:3695 blocked for more than 453 seconds. [ 1326.826313][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.826350][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.826385][ T32] task:kworker/1:205 state:D stack:0 pid:3695 tgid:3695 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.826492][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.826616][ T32] Call trace: [ 1326.826809][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.826984][ T32] r10:8291a684 r9:e0531d84 r8:00000002 r7:60000013 r6:e0531d8c r5:842ad400 [ 1326.827019][ T32] r4:842ad400 [ 1326.827045][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.827125][ T32] r5:842ad400 r4:8291a680 [ 1326.827182][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.827233][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.827315][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0531e08 [ 1326.827391][ T32] r4:00000000 [ 1326.827496][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.827574][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.827623][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.827673][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846398c0 [ 1326.827700][ T32] r4:00000000 [ 1326.827875][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.827939][ T32] r9:83018205 r8:842ad400 r7:00000000 r6:83018200 r5:00001000 r4:7f093000 [ 1326.827994][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.828109][ T32] r5:00001000 r4:e03fd000 [ 1326.828138][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.828223][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.828337][ T32] r5:84bb4b8c r4:84bb4800 [ 1326.828375][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.828433][ T32] r7:ddde2d80 r6:83018200 r5:84bb4b8c r4:84637500 [ 1326.828460][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.828590][ T32] r10:61c88647 r9:842ad400 r8:8463752c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.828652][ T32] r4:84637500 [ 1326.828721][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.828847][ T32] r10:00000000 r9:84637500 r8:80287e08 r7:e0525e60 r6:84aafc80 r5:842ad400 [ 1326.828889][ T32] r4:00000001 [ 1326.828914][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.828957][ T32] Exception stack(0xe0531fb0 to 0xe0531ff8) [ 1326.828989][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1326.829053][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.829129][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.829181][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.829209][ T32] r4:84639640 [ 1326.851002][ T32] INFO: task kworker/1:205:3695 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.851300][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.851555][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.851704][ T32] Call trace: [ 1326.851786][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.851910][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.851970][ T32] r4:00000000 [ 1326.852028][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.852133][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.852252][ T32] dd20: a6c6d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.852327][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.852396][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.852455][ T32] r5:800d0013 r4:80239bb0 [ 1326.852532][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.852632][ T32] r4:82ac21e4 [ 1326.852684][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.852776][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.852825][ T32] r4:e044ddc0 [ 1326.852871][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.852963][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.853013][ T32] r4:00000000 [ 1326.853058][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.853160][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.853212][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.853305][ T32] r5:00001000 r4:dfe3d000 [ 1326.853379][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.853473][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.853566][ T32] r5:84a2438c r4:84a24000 [ 1326.853634][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.853772][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.853822][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.853934][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.853997][ T32] r4:84ab5800 [ 1326.854055][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.854148][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.854196][ T32] r4:00000001 [ 1326.854235][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.854302][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.854350][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.854416][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.854487][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.854556][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.854603][ T32] r4:84ab0640 [ 1326.854649][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.854710][ T32] INFO: task kworker/1:206:3697 blocked for more than 453 seconds. [ 1326.854792][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.854846][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.855011][ T32] task:kworker/1:206 state:D stack:0 pid:3697 tgid:3697 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.855142][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.855273][ T32] Call trace: [ 1326.855443][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.855537][ T32] r10:8291a684 r9:e0541d84 r8:00000002 r7:60000113 r6:e0541d8c r5:842aec00 [ 1326.855582][ T32] r4:842aec00 [ 1326.855626][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.855710][ T32] r5:842aec00 r4:8291a680 [ 1326.855771][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.855850][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.855931][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0541e08 [ 1326.855977][ T32] r4:00000000 [ 1326.856018][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.856106][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.856191][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.856271][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84639a00 [ 1326.856318][ T32] r4:00000000 [ 1326.856358][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.856482][ T32] r9:83018205 r8:842aec00 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 [ 1326.856563][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1326.856855][ T32] r5:84bb4f8c r4:84bb4c00 [ 1326.856894][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.857002][ T32] r7:ddde2d80 r6:83018200 r5:84bb4f8c r4:84637580 [ 1326.857055][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.857168][ T32] r10:61c88647 r9:842aec00 r8:846375ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.857224][ T32] r4:84637580 [ 1326.857269][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.857376][ T32] r10:00000000 r9:84637580 r8:80287e08 r7:e0531e60 r6:84aafd00 r5:842aec00 [ 1326.857429][ T32] r4:00000001 [ 1326.857472][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.857555][ T32] Exception stack(0xe0541fb0 to 0xe0541ff8) [ 1326.857613][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1326.857681][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.857740][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.857803][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.857853][ T32] r4:846396c0 [ 1326.858500][ T32] INFO: task kworker/1:206:3697 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.858587][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.858722][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.858821][ T32] Call trace: [ 1326.858890][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.859000][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.859051][ T32] r4:00000000 [ 1326.859096][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.859182][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.859373][ T32] dd20: a6c6d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.888719][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.888960][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.889061][ T32] r5:800d0013 r4:80239bb0 [ 1326.889128][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.890081][ T32] r4:82ac21e4 [ 1326.890179][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.890317][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.890395][ T32] r4:e044ddc0 [ 1326.890443][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.890537][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.890594][ T32] r4:00000000 [ 1326.890663][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.890776][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.890808][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.890872][ T32] r5:00001000 r4:dfe3d000 [ 1326.890896][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.890996][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.891107][ T32] r5:84a2438c r4:84a24000 [ 1326.891158][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.891265][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.891301][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.891427][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.891459][ T32] r4:84ab5800 [ 1326.891483][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.891564][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.891604][ T32] r4:00000001 [ 1326.891663][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.891783][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.891837][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.891872][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.891902][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.891934][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.891959][ T32] r4:84ab0640 [ 1326.892019][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.892099][ T32] INFO: task kworker/1:207:3699 blocked for more than 453 seconds. [ 1326.892169][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.892203][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.892250][ T32] task:kworker/1:207 state:D stack:0 pid:3699 tgid:3699 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.892360][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.892426][ T32] Call trace: [ 1326.892552][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.892673][ T32] r10:8291a684 r9:e0549d84 r8:00000002 r7:60000013 r6:e0549d8c r5:842a9800 [ 1326.892707][ T32] r4:842a9800 [ 1326.892731][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.892780][ T32] r5:842a9800 r4:8291a680 [ 1326.892804][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.892848][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.892894][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0549e08 [ 1326.892918][ T32] r4:00000000 [ 1326.892938][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.892996][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.893073][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.893131][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84639140 [ 1326.893177][ T32] r4:00000000 [ 1326.893204][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.893309][ T32] r9:83018205 r8:842a9800 r7:00000000 r6:83018200 r5:00001000 r4:7f09f000 [ 1326.893338][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.893420][ T32] r5:00001000 r4:e0589000 [ 1326.893454][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.893499][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.893584][ T32] r5:84bb638c r4:84bb6000 [ 1326.893612][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.893666][ T32] r7:ddde2d80 r6:83018200 r5:84bb638c r4:84637600 [ 1326.893691][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.893749][ T32] r10:61c88647 r9:842a9800 r8:8463762c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.893804][ T32] r4:84637600 [ 1326.893918][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.894001][ T32] r10:00000000 r9:84637600 r8:80287e08 r7:e0541e60 r6:84aafd80 r5:842a9800 [ 1326.894090][ T32] r4:00000001 [ 1326.894128][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.894173][ T32] Exception stack(0xe0549fb0 to 0xe0549ff8) [ 1326.894203][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1326.894263][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.894305][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.894415][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.894449][ T32] r4:84639880 [ 1326.894924][ T32] INFO: task kworker/1:207:3699 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.894968][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.895122][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.895213][ T32] Call trace: [ 1326.895248][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 1 printk messages dropped ** [ 1326.895356][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1326.895543][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 8 printk messages dropped ** [ 1326.895904][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1326.896203][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1326.896667][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1326.896896][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1326.897268][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1326.897692][ T32] r5:842ae000 r4:8291a680 ** 3 printk messages dropped ** [ 1326.897897][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1326.898166][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84639b80 ** 7 printk messages dropped ** [ 1326.898739][ T32] r5:84bb538c r4:84bb5000 [ 1326.898765][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.898874][ T32] r7:ddde2d80 r6:83018200 r5:84bb538c r4:84637680 [ 1326.898905][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.898963][ T32] r10:61c88647 r9:842ae000 r8:846376ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.898991][ T32] r4:84637680 [ 1326.899014][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.899101][ T32] r10:00000000 r9:84637680 r8:80287e08 r7:e0549e60 r6:84aafe00 r5:842ae000 [ 1326.899140][ T32] r4:00000001 [ 1326.899163][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.899206][ T32] Exception stack(0xe0555fb0 to 0xe0555ff8) [ 1326.899264][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.918337][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.918530][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.918612][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.918682][ T32] r4:84639880 [ 1326.919195][ T32] INFO: task kworker/1:208:3700 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.919250][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.930382][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.930476][ T32] Call trace: [ 1326.930517][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.930586][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.930616][ T32] r4:00000000 [ 1326.930644][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.930693][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.930748][ T32] dd20: a71df000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.930789][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.930822][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.930853][ T32] r5:800d0013 r4:80239bb0 [ 1326.930879][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.930937][ T32] r4:82ac21e4 [ 1326.930965][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.931018][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.931048][ T32] r4:e044ddc0 [ 1326.931101][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.931159][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.931188][ T32] r4:00000000 [ 1326.931213][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.931298][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.931330][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.931413][ T32] r5:00001000 r4:dfe3d000 [ 1326.931453][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.931506][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.931562][ T32] r5:84a2438c r4:84a24000 [ 1326.931625][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.931830][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.931909][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.932024][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.932055][ T32] r4:84ab5800 [ 1326.932091][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.932164][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.932195][ T32] r4:00000001 [ 1326.932219][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.932258][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.932287][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.932319][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.932370][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.932408][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.932433][ T32] r4:84ab0640 [ 1326.932461][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.932586][ T32] INFO: task kworker/1:209:3702 blocked for more than 453 seconds. [ 1326.932638][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.932668][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.932728][ T32] task:kworker/1:209 state:D stack:0 pid:3702 tgid:3702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.932825][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.932874][ T32] Call trace: [ 1326.932944][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.932999][ T32] r10:8291a684 r9:e0565d84 r8:00000002 r7:60000013 r6:e0565d8c r5:842ac800 [ 1326.933042][ T32] r4:842ac800 [ 1326.933069][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.933117][ T32] r5:842ac800 r4:8291a680 [ 1326.933140][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.933182][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.933227][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0565e08 [ 1326.933254][ T32] r4:00000000 [ 1326.933275][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.933317][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.933356][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.933435][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84639cc0 [ 1326.933470][ T32] r4:00000000 [ 1326.933495][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.933546][ T32] r9:83018205 r8:842ac800 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1326.933571][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.933616][ T32] r5:00001000 r4:e0551000 [ 1326.933638][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.933680][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.933725][ T32] r5:84bb578c r4:84bb5400 [ 1326.933776][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.933832][ T32] r7:ddde2d80 r6:83018200 r5:84bb578c r4:84637700 [ 1326.933873][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.933957][ T32] r10:61c88647 r9:842ac800 r8:8463772c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.934015][ T32] r4:84637700 [ 1326.934072][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.934126][ T32] r10:00000000 r9:84637700 r8:80287e08 r7:e0549e60 r6:84aafe80 r5:842ac800 [ 1326.934152][ T32] r4:00000001 [ 1326.934173][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.934215][ T32] Exception stack(0xe0565fb0 to 0xe0565ff8) [ 1326.934242][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.934300][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.934375][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.934412][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.934439][ T32] r4:84639980 [ 1326.934916][ T32] INFO: task kworker/1:209:3702 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.934956][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.935029][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.935143][ T32] Call trace: [ 1326.935238][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.935307][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.935376][ T32] r4:00000000 [ 1326.935423][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.935475][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.935508][ T32] dd20: a71df000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.935570][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.935607][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.935641][ T32] r5:800d0013 r4:80239bb0 [ 1326.935663][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.935743][ T32] r4:82ac21e4 [ 1326.935786][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.935877][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.935906][ T32] r4:e044ddc0 [ 1326.935930][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.935977][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.936002][ T32] r4:00000000 [ 1326.936040][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.936099][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.936124][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.936185][ T32] r5:00001000 r4:dfe3d000 [ 1326.936246][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.936322][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.936437][ T32] r5:84a2438c r4:84a24000 [ 1326.936468][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.936596][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.936643][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.936700][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.936753][ T32] r4:84ab5800 [ 1326.936804][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.936862][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.936935][ T32] r4:00000001 [ 1326.936985][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.937036][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1326.937068][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.937099][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.937155][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.937230][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.937289][ T32] r4:84ab0640 [ 1326.937332][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.937404][ T32] INFO: task kworker/1:210:3704 blocked for more than 453 seconds. [ 1326.937476][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1326.937510][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.937550][ T32] task:kworker/1:210 state:D stack:0 pid:3704 tgid:3704 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.937674][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.937723][ T32] Call trace: [ 1326.937757][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1326.937827][ T32] r10:8291a684 r9:e057dd84 r8:00000002 r7:60000013 r6:e057dd8c r5:85028c00 [ 1326.937859][ T32] r4:85028c00 [ 1326.937931][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.938017][ T32] r5:85028c00 r4:8291a680 [ 1326.938094][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.938179][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.938278][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e057de08 [ 1326.938363][ T32] r4:00000000 [ 1326.938405][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 1 printk messages dropped ** [ 1326.938488][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1326.939015][ T32] r5:84bb5b8c r4:84bb5800 [ 1326.939059][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1326.939234][ T32] r10:61c88647 r9:85028c00 r8:846377ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1326.958786][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1326.971088][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1326.971532][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 6 printk messages dropped ** [ 1326.972010][ T32] r4:e044ddc0 ** 2 printk messages dropped ** [ 1326.972117][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.972417][ T32] r5:84a2438c r4:84a24000 ** 5 printk messages dropped ** [ 1326.972721][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 5 printk messages dropped ** [ 1326.973131][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1326.973631][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1326.973860][ T32] r4:85028000 [ 1326.973898][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1326.973985][ T32] r5:85028000 r4:8291a680 [ 1326.974011][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.974087][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.974140][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e058de08 [ 1326.974166][ T32] r4:00000000 [ 1326.974193][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1326.974234][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1326.974328][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.974385][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84639f40 [ 1326.974412][ T32] r4:00000000 [ 1326.974434][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.974486][ T32] r9:83018205 r8:85028000 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1326.974511][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.974586][ T32] r5:00001000 r4:e0575000 [ 1326.974614][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.974659][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.974706][ T32] r5:84bb5f8c r4:84bb5c00 [ 1326.974728][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.974778][ T32] r7:ddde2d80 r6:83018200 r5:84bb5f8c r4:84637800 [ 1326.974807][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.974859][ T32] r10:61c88647 r9:85028000 r8:8463782c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.974885][ T32] r4:84637800 [ 1326.974935][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.974999][ T32] r10:00000000 r9:84637800 r8:80287e08 r7:e0549e60 r6:84aaff80 r5:85028000 [ 1326.975028][ T32] r4:00000001 [ 1326.975049][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.975088][ T32] Exception stack(0xe058dfb0 to 0xe058dff8) [ 1326.975144][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.975235][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.975297][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.975392][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1326.975500][ T32] r4:84639bc0 [ 1326.976041][ T32] INFO: task kworker/1:211:3706 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1326.976094][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.976167][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.976220][ T32] Call trace: [ 1326.976295][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1326.976420][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1326.976470][ T32] r4:00000000 [ 1326.976525][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.976591][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1326.976630][ T32] dd20: a75c8000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1326.976664][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1326.976692][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1326.976719][ T32] r5:800d0013 r4:80239bb0 [ 1326.976743][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.976818][ T32] r4:82ac21e4 [ 1326.976856][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.976905][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1326.976930][ T32] r4:e044ddc0 [ 1326.976979][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1326.977033][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1326.977061][ T32] r4:00000000 [ 1326.977116][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1326.977175][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.977228][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1326.977280][ T32] r5:00001000 r4:dfe3d000 [ 1326.977304][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1326.977371][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.977424][ T32] r5:84a2438c r4:84a24000 [ 1326.977447][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1326.977499][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1326.977523][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1326.977576][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.977620][ T32] r4:84ab5800 [ 1326.977648][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1326.977701][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1326.977727][ T32] r4:00000001 [ 1326.977749][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1326.977922][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1326.978382][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1326.978867][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1326.998550][ T32] r9:83018205 r8:8502b000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 4 printk messages dropped ** [ 1326.998916][ T32] r5:84bb678c r4:84bb6400 ** 1 printk messages dropped ** [ 1326.999002][ T32] r7:ddde2d80 r6:83018200 r5:84bb678c r4:84637880 ** 7 printk messages dropped ** [ 1327.010420][ T32] Exception stack(0xe0595fb0 to 0xe0595ff8) ** 7 printk messages dropped ** [ 1327.011277][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1327.011774][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1327.012144][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1327.012585][ T32] r5:00001000 r4:dfe3d000 ** 7 printk messages dropped ** [ 1327.013043][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1327.013144][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1327.013389][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1327.013932][ T32] Call trace: ** 4 printk messages dropped ** [ 1327.014282][ T32] r5:8502a400 r4:8291a680 ** 4 printk messages dropped ** [ 1327.014466][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1327.015066][ T32] r5:00001000 r4:e05ad000 ** 2 printk messages dropped ** [ 1327.015190][ T32] r5:84bb6b8c r4:84bb6800 [ 1327.015269][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.015327][ T32] r7:ddde2d80 r6:83018200 r5:84bb6b8c r4:84637900 [ 1327.015351][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.015412][ T32] r10:61c88647 r9:8502a400 r8:8463792c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.015437][ T32] r4:84637900 [ 1327.015459][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.015509][ T32] r10:00000000 r9:84637900 r8:80287e08 r7:e0595e60 r6:84b49080 r5:8502a400 [ 1327.015532][ T32] r4:00000001 [ 1327.015553][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.015593][ T32] Exception stack(0xe05b1fb0 to 0xe05b1ff8) [ 1327.015634][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.015686][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.015755][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.015831][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.015933][ T32] r4:84639f00 [ 1327.016290][ T32] INFO: task kworker/1:213:3710 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.016375][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.016446][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.016558][ T32] Call trace: [ 1327.016653][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.016717][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.016772][ T32] r4:00000000 [ 1327.016806][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.016853][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.016886][ T32] dd20: a78e7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.016918][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.016947][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.017002][ T32] r5:800d0013 r4:80239bb0 [ 1327.017033][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.017085][ T32] r4:82ac21e4 [ 1327.017110][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.017186][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.017245][ T32] r4:e044ddc0 [ 1327.017339][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.017401][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.017428][ T32] r4:00000000 [ 1327.017462][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.017534][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.017571][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.017626][ T32] r5:00001000 r4:dfe3d000 [ 1327.017650][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.017694][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.017793][ T32] r5:84a2438c r4:84a24000 [ 1327.017819][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.017934][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.017966][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.018050][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.018121][ T32] r4:84ab5800 [ 1327.018149][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.018236][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.018321][ T32] r4:00000001 [ 1327.018372][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.018420][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.018467][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.018504][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.018533][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.018568][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.018594][ T32] r4:84ab0640 [ 1327.018621][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.018657][ T32] INFO: task kworker/1:214:3712 blocked for more than 453 seconds. [ 1327.018694][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.018737][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.018766][ T32] task:kworker/1:214 state:D stack:0 pid:3712 tgid:3712 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.018822][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.019007][ T32] Call trace: [ 1327.019154][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.019213][ T32] r10:8291a684 r9:e05c1d84 r8:00000002 r7:60000113 r6:e05c1d8c r5:85029800 ** 4 printk messages dropped ** [ 1327.038456][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.038940][ T32] r5:00001000 r4:df9e1000 ** 2 printk messages dropped ** [ 1327.039060][ T32] r5:84bb778c r4:84bb7400 [ 1327.039082][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1327.052645][ T32] r10:61c88647 r9:85029800 r8:846379ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1327.053121][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1327.053917][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.054039][ T32] Call trace: [ 1327.054096][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.054216][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.054256][ T32] r4:00000000 [ 1327.054279][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.054334][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.054372][ T32] dd20: a7c92000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.054405][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.054447][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.054480][ T32] r5:800d0013 r4:80239bb0 [ 1327.054532][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.054584][ T32] r4:82ac21e4 [ 1327.054627][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.054679][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.054704][ T32] r4:e044ddc0 [ 1327.054755][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.054806][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.054838][ T32] r4:00000000 [ 1327.054862][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.054942][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.054974][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.055024][ T32] r5:00001000 r4:dfe3d000 [ 1327.055048][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.055092][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.055140][ T32] r5:84a2438c r4:84a24000 [ 1327.055162][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.055214][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.055238][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.055289][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.055315][ T32] r4:84ab5800 [ 1327.055375][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.055443][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.055470][ T32] r4:00000001 [ 1327.055500][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.055544][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.055573][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.055632][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.055703][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.055774][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.055804][ T32] r4:84ab0640 [ 1327.055830][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.055911][ T32] INFO: task kworker/1:215:3714 blocked for more than 453 seconds. [ 1327.055960][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.055989][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.056032][ T32] task:kworker/1:215 state:D stack:0 pid:3714 tgid:3714 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.056093][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1327.056439][ T32] r4:8502bc00 ** 4 printk messages dropped ** [ 1327.056775][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e05d1e08 ** 7 printk messages dropped ** [ 1327.057241][ T32] r9:83018205 r8:8502bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f00f000 ** 4 printk messages dropped ** [ 1327.057555][ T32] r5:84bb6f8c r4:84bb6c00 [ 1327.057616][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1327.057940][ T32] r4:84637a00 ** 4 printk messages dropped ** [ 1327.058143][ T32] Exception stack(0xe05d1fb0 to 0xe05d1ff8) ** 6 printk messages dropped ** [ 1327.058860][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1327.083627][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1327.084000][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 11 printk messages dropped ** [ 1327.084616][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1327.085183][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1327.085252][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.085277][ T32] r4:84ab0640 [ 1327.085333][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.085381][ T32] INFO: task kworker/1:216:3716 blocked for more than 453 seconds. [ 1327.085449][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.085484][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.085547][ T32] task:kworker/1:216 state:D stack:0 pid:3716 tgid:3716 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.085626][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.085696][ T32] Call trace: [ 1327.085790][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.085850][ T32] r10:8291a684 r9:e05ddd84 r8:00000002 r7:60000113 r6:e05ddd8c r5:8502c800 [ 1327.085876][ T32] r4:8502c800 [ 1327.085898][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.085947][ T32] r5:8502c800 r4:8291a680 [ 1327.086000][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.086084][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.086167][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e05dde08 [ 1327.086194][ T32] r4:00000000 [ 1327.086265][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.086341][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.086390][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.086437][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a3c1c0 [ 1327.086465][ T32] r4:00000000 [ 1327.086515][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.086625][ T32] r9:83018205 r8:8502c800 r7:00000000 r6:83018200 r5:00001000 r4:7f011000 [ 1327.086656][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.086709][ T32] r5:00001000 r4:df9bf000 [ 1327.086731][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.086779][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.086854][ T32] r5:84bb738c r4:84bb7000 [ 1327.086881][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.086939][ T32] r7:ddde2d80 r6:83018200 r5:84bb738c r4:84637a80 [ 1327.086964][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.087032][ T32] r10:61c88647 r9:8502c800 r8:84637aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.087061][ T32] r4:84637a80 [ 1327.087083][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.087133][ T32] r10:00000000 r9:84637a80 r8:80287e08 r7:e05c1e60 r6:84b49200 r5:8502c800 [ 1327.087159][ T32] r4:00000001 [ 1327.087180][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.087222][ T32] Exception stack(0xe05ddfb0 to 0xe05ddff8) [ 1327.087284][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.087321][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.087401][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.087467][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.087525][ T32] r4:84a3c1c0 [ 1327.088050][ T32] INFO: task kworker/1:216:3716 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.088144][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.088373][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.088490][ T32] Call trace: [ 1327.088590][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.088689][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.088752][ T32] r4:00000000 [ 1327.088834][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.088906][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.089009][ T32] dd20: a809c000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.089051][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.089082][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.089109][ T32] r5:800d0013 r4:80239bb0 [ 1327.089171][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.089389][ T32] r4:82ac21e4 [ 1327.101849][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.101964][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.101994][ T32] r4:e044ddc0 [ 1327.102049][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.102104][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.102131][ T32] r4:00000000 [ 1327.102154][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.102207][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.102231][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.102280][ T32] r5:00001000 r4:dfe3d000 [ 1327.102330][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.102415][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.102471][ T32] r5:84a2438c r4:84a24000 [ 1327.102496][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.102563][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.102619][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.102683][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.102756][ T32] r4:84ab5800 [ 1327.102812][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.102868][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.102927][ T32] r4:00000001 [ 1327.102954][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.103012][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.103084][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.103123][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.103153][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.103187][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.103212][ T32] r4:84ab0640 [ 1327.103238][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.103275][ T32] INFO: task kworker/1:217:3718 blocked for more than 453 seconds. [ 1327.103316][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.103345][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.103378][ T32] task:kworker/1:217 state:D stack:0 pid:3718 tgid:3718 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.103451][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.103502][ T32] Call trace: [ 1327.103568][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.103638][ T32] r10:8291a684 r9:e05e5d84 r8:00000002 r7:60000113 r6:e05e5d8c r5:8502d400 [ 1327.103664][ T32] r4:8502d400 [ 1327.103687][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.103736][ T32] r5:8502d400 r4:8291a680 [ 1327.103758][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.103801][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.103846][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e05e5e08 [ 1327.103871][ T32] r4:00000000 [ 1327.103894][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.103937][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.103974][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.104044][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a3ca80 [ 1327.104075][ T32] r4:00000000 [ 1327.104098][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.104155][ T32] r9:83018205 r8:8502d400 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 [ 1327.104179][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.104226][ T32] r5:00001000 r4:dfa91000 ** 1 printk messages dropped ** [ 1327.104343][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.104478][ T32] r5:84bb878c r4:84bb8400 ** 2 printk messages dropped ** [ 1327.104678][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1327.105522][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1327.106467][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1327.107029][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 4 printk messages dropped ** [ 1327.107431][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.107515][ T32] r4:e044ddc0 [ 1327.107553][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.107601][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.107643][ T32] r4:00000000 [ 1327.107671][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.107824][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.107910][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.107970][ T32] r5:00001000 r4:dfe3d000 [ 1327.107994][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.108101][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.108154][ T32] r5:84a2438c r4:84a24000 [ 1327.108178][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.108274][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.108371][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.108457][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.108522][ T32] r4:84ab5800 [ 1327.108574][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.108641][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.108669][ T32] r4:00000001 [ 1327.108743][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.108794][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.108853][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.108896][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.108941][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.108977][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.109013][ T32] r4:84ab0640 [ 1327.109037][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.109115][ T32] INFO: task kworker/1:218:3720 blocked for more than 453 seconds. [ 1327.109180][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.109309][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 4 printk messages dropped ** [ 1327.130197][ T32] r10:8291a684 r9:e05edd84 r8:00000002 r7:60000013 r6:e05edd8c r5:842a8c00 ** 6 printk messages dropped ** [ 1327.130522][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1327.130823][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1327.131212][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.131271][ T32] r5:84bb7b8c r4:84bb7800 [ 1327.131299][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.131355][ T32] r7:ddde2d80 r6:83018200 r5:84bb7b8c r4:84637b80 [ 1327.131387][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.131441][ T32] r10:61c88647 r9:842a8c00 r8:84637bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.131472][ T32] r4:84637b80 [ 1327.131501][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.131600][ T32] r10:00000000 r9:84637b80 r8:80287e08 r7:e05e5e60 r6:84b49300 r5:842a8c00 [ 1327.131644][ T32] r4:00000001 [ 1327.131670][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.131728][ T32] Exception stack(0xe05edfb0 to 0xe05edff8) [ 1327.131766][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.131800][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.131830][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.131862][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.131886][ T32] r4:84a3c400 [ 1327.132442][ T32] INFO: task kworker/1:218:3720 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.132526][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.132693][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.132750][ T32] Call trace: [ 1327.132911][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.133003][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.133036][ T32] r4:00000000 [ 1327.133059][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.133104][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.133166][ T32] dd20: a829d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.133238][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.133271][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 4 printk messages dropped ** [ 1327.133649][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1327.134057][ T32] r5:00001000 r4:dfe3d000 ** 6 printk messages dropped ** [ 1327.134358][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1327.134753][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.135275][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1327.135881][ T32] r5:8502ec00 r4:8291a680 ** 5 printk messages dropped ** [ 1327.136149][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1327.136328][ T32] r9:83018205 r8:8502ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f02f000 ** 4 printk messages dropped ** [ 1327.136728][ T32] r5:84bb7f8c r4:84bb7c00 [ 1327.136751][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.136829][ T32] r7:ddde2d80 r6:83018200 r5:84bb7f8c r4:84637c00 [ 1327.136888][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.137051][ T32] r10:61c88647 r9:8502ec00 r8:84637c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.137111][ T32] r4:84637c00 [ 1327.137139][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.137191][ T32] r10:00000000 r9:84637c00 r8:80287e08 r7:e05e5e60 r6:84b49380 r5:8502ec00 [ 1327.137216][ T32] r4:00000001 [ 1327.137251][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.137295][ T32] Exception stack(0xe05f5fb0 to 0xe05f5ff8) [ 1327.137339][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.137442][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.137477][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.137513][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.137540][ T32] r4:84a3c500 [ 1327.137865][ T32] INFO: task kworker/1:219:3722 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.137907][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.138048][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.138134][ T32] Call trace: [ 1327.138191][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.138249][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.138311][ T32] r4:00000000 [ 1327.138338][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.138389][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.138420][ T32] dd20: a829d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.138452][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.138508][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.138540][ T32] r5:800d0013 r4:80239bb0 [ 1327.138563][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.138613][ T32] r4:82ac21e4 [ 1327.138636][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.138684][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.138728][ T32] r4:e044ddc0 [ 1327.138824][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.138921][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.138952][ T32] r4:00000000 [ 1327.139022][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.139078][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.139104][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.139150][ T32] r5:00001000 r4:dfe3d000 [ 1327.139174][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.139237][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.139357][ T32] r5:84a2438c r4:84a24000 [ 1327.170077][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.170238][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 1 printk messages dropped ** [ 1327.170379][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1327.170707][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.171189][ T32] task:kworker/1:220 state:D stack:0 pid:3724 tgid:3724 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1327.171838][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1327.172245][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1327.172412][ T32] r5:00001000 r4:dfa5f000 ** 2 printk messages dropped ** [ 1327.172639][ T32] r5:84bb838c r4:84bb8000 [ 1327.172663][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1327.172816][ T32] r10:61c88647 r9:84a40c00 r8:84637cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1327.173113][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.174092][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1327.174401][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1327.174628][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1327.174842][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 6 printk messages dropped ** [ 1327.175243][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1327.175567][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1327.175858][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1327.176192][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1327.176696][ T32] r5:84a40000 r4:8291a680 ** 3 printk messages dropped ** [ 1327.176873][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1327.177056][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.177099][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a3cb80 [ 1327.177123][ T32] r4:00000000 [ 1327.177144][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.177296][ T32] r9:83018205 r8:84a40000 r7:00000000 r6:83018200 r5:00001000 r4:7f035000 [ 1327.177327][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.177389][ T32] r5:00001000 r4:dfac9000 [ 1327.177413][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.177488][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.177540][ T32] r5:84bb8b8c r4:84bb8800 [ 1327.177562][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.177613][ T32] r7:ddde2d80 r6:83018200 r5:84bb8b8c r4:84637d00 [ 1327.177641][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.177693][ T32] r10:61c88647 r9:84a40000 r8:84637d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.177762][ T32] r4:84637d00 [ 1327.177789][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.178010][ T32] r10:00000000 r9:84637d00 r8:80287e08 r7:e05e5e60 r6:84b49480 r5:84a40000 [ 1327.178413][ T32] r4:00000001 [ 1327.178621][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.178770][ T32] Exception stack(0xe0609fb0 to 0xe0609ff8) [ 1327.178850][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1327.178920][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.178977][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.179048][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.179107][ T32] r4:84a3c900 [ 1327.206435][ T32] INFO: task kworker/1:221:3727 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.206653][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.206757][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.206900][ T32] Call trace: [ 1327.207096][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.207176][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.207222][ T32] r4:00000000 [ 1327.207251][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.207308][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.207363][ T32] dd20: a8821000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.207403][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.207434][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.207464][ T32] r5:800d0013 r4:80239bb0 [ 1327.207489][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.207541][ T32] r4:82ac21e4 [ 1327.207574][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.207656][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.207688][ T32] r4:e044ddc0 [ 1327.207712][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.207761][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.207844][ T32] r4:00000000 [ 1327.207884][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.207946][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.207974][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.208029][ T32] r5:00001000 r4:dfe3d000 [ 1327.208082][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.208286][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.208364][ T32] r5:84a2438c r4:84a24000 [ 1327.208421][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.208497][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.208650][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.208720][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.208775][ T32] r4:84ab5800 [ 1327.208802][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.208856][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.208894][ T32] r4:00000001 [ 1327.208953][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.208997][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.209026][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.209058][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.209088][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.209119][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.209144][ T32] r4:84ab0640 [ 1327.209169][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.209272][ T32] INFO: task kworker/1:222:3729 blocked for more than 453 seconds. [ 1327.220008][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.220086][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.220115][ T32] task:kworker/1:222 state:D stack:0 pid:3729 tgid:3729 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.220187][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.220279][ T32] Call trace: [ 1327.220322][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.220386][ T32] r10:8291a684 r9:e0611d84 r8:00000002 r7:60000113 r6:e0611d8c r5:84a43000 [ 1327.220412][ T32] r4:84a43000 [ 1327.220434][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.220481][ T32] r5:84a43000 r4:8291a680 [ 1327.220543][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.220610][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1327.220851][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1327.221321][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.221368][ T32] r5:84bb978c r4:84bb9400 ** 1 printk messages dropped ** [ 1327.221475][ T32] r7:ddde2d80 r6:83018200 r5:84bb978c r4:84637d80 ** 3 printk messages dropped ** [ 1327.221659][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1327.222047][ T32] r4:84a3c980 ** 2 printk messages dropped ** [ 1327.222711][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1327.223102][ T32] dd20: a8885000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 6 printk messages dropped ** [ 1327.223408][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 2 printk messages dropped ** [ 1327.223532][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.223556][ T32] r4:00000000 [ 1327.223586][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.223667][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.223711][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.223765][ T32] r5:00001000 r4:dfe3d000 [ 1327.223787][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.223830][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.223881][ T32] r5:84a2438c r4:84a24000 [ 1327.223905][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.223957][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.224005][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.224063][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.224109][ T32] r4:84ab5800 [ 1327.224134][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.224198][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.224229][ T32] r4:00000001 [ 1327.224251][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.224291][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.224320][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.224350][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.224379][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.224410][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.224434][ T32] r4:84ab0640 [ 1327.224569][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.224617][ T32] INFO: task kworker/1:223:3730 blocked for more than 453 seconds. [ 1327.224649][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.224676][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.224698][ T32] task:kworker/1:223 state:D stack:0 pid:3730 tgid:3730 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.224752][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.224826][ T32] Call trace: [ 1327.224893][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.224950][ T32] r10:8291a684 r9:e0615d84 r8:00000002 r7:60000113 r6:e0615d8c r5:84a42400 [ 1327.224977][ T32] r4:84a42400 [ 1327.225028][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.225080][ T32] r5:84a42400 r4:8291a680 [ 1327.225129][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.225176][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.225225][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0615e08 [ 1327.225280][ T32] r4:00000000 [ 1327.225305][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.225384][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.225450][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.225526][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a3cd40 [ 1327.225557][ T32] r4:00000000 [ 1327.225593][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.225671][ T32] r9:83018205 r8:84a42400 r7:00000000 r6:83018200 r5:00001000 r4:7f037000 [ 1327.225722][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.225771][ T32] r5:00001000 r4:dfb0d000 [ 1327.225792][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.225863][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.225924][ T32] r5:84bb8f8c r4:84bb8c00 [ 1327.225948][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.225998][ T32] r7:ddde2d80 r6:83018200 r5:84bb8f8c r4:84637e00 [ 1327.226076][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.226158][ T32] r10:61c88647 r9:84a42400 r8:84637e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.226202][ T32] r4:84637e00 [ 1327.226238][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.226289][ T32] r10:00000000 r9:84637e00 r8:80287e08 r7:e0611e60 r6:84b49580 r5:84a42400 [ 1327.226314][ T32] r4:00000001 [ 1327.226390][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.226435][ T32] Exception stack(0xe0615fb0 to 0xe0615ff8) [ 1327.226467][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.226510][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.226573][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.226641][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.226694][ T32] r4:84a3ccc0 [ 1327.226970][ T32] INFO: task kworker/1:223:3730 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.227065][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.227197][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.227249][ T32] Call trace: [ 1327.227372][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.227437][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.227464][ T32] r4:00000000 [ 1327.227515][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.227612][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.227649][ T32] dd20: a8885000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 6 printk messages dropped ** [ 1327.227924][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 5 printk messages dropped ** [ 1327.228175][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 8 printk messages dropped ** [ 1327.228810][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1327.229297][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1327.249743][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 5 printk messages dropped ** [ 1327.250122][ T32] r10:8291a684 r9:e061dd84 r8:00000002 r7:60000113 r6:e061dd8c r5:84a41800 ** 6 printk messages dropped ** [ 1327.250405][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1327.250590][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a3ce40 ** 7 printk messages dropped ** [ 1327.250918][ T32] r5:84bb938c r4:84bb9000 [ 1327.250940][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1327.251101][ T32] r10:61c88647 r9:84a41800 r8:84637eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.251655][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1327.251799][ T32] r4:84a3cb40 [ 1327.252292][ T32] INFO: task kworker/1:224:3732 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.252367][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.252619][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.252673][ T32] Call trace: [ 1327.252707][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.252764][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.252790][ T32] r4:00000000 [ 1327.252856][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.252912][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.252974][ T32] dd20: a8c92000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.253089][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.253193][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.253316][ T32] r5:800d0013 r4:80239bb0 [ 1327.253434][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.253513][ T32] r4:82ac21e4 [ 1327.253578][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.253742][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.253786][ T32] r4:e044ddc0 [ 1327.253863][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.253973][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.254093][ T32] r4:00000000 [ 1327.254121][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.254175][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.254199][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.254245][ T32] r5:00001000 r4:dfe3d000 [ 1327.254268][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.254347][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.254414][ T32] r5:84a2438c r4:84a24000 [ 1327.254440][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.254573][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.254612][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.254681][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.254716][ T32] r4:84ab5800 [ 1327.254797][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.254855][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.254881][ T32] r4:00000001 [ 1327.254902][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.255002][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.255198][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.255308][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.255452][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.255488][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.255624][ T32] r4:84ab0640 [ 1327.255710][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.255801][ T32] INFO: task kworker/1:225:3734 blocked for more than 453 seconds. [ 1327.255882][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.255913][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.255956][ T32] task:kworker/1:225 state:D stack:0 pid:3734 tgid:3734 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.256015][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.256063][ T32] Call trace: [ 1327.256097][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.256165][ T32] r10:8291a684 r9:e0521d84 r8:00000002 r7:60000113 r6:e0521d8c r5:84a44800 [ 1327.256195][ T32] r4:84a44800 [ 1327.256218][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.256301][ T32] r5:84a44800 r4:8291a680 [ 1327.256335][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.256380][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.256440][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0521e08 [ 1327.256481][ T32] r4:00000000 [ 1327.256543][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.256595][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.256636][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.256684][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5a040 [ 1327.256726][ T32] r4:00000000 [ 1327.256754][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.256832][ T32] r9:83018205 r8:84a44800 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000 [ 1327.256861][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.256908][ T32] r5:00001000 r4:dfe3f000 [ 1327.256931][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.256974][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.257079][ T32] r5:84bb9b8c r4:84bb9800 [ 1327.257107][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.257161][ T32] r7:ddde2d80 r6:83018200 r5:84bb9b8c r4:84637f00 [ 1327.257184][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.257263][ T32] r10:61c88647 r9:84a44800 r8:84637f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.257353][ T32] r4:84637f00 [ 1327.257379][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.257430][ T32] r10:00000000 r9:84637f00 r8:80287e08 r7:e0611e60 r6:84b49680 r5:84a44800 [ 1327.257482][ T32] r4:00000001 [ 1327.257507][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.257547][ T32] Exception stack(0xe0521fb0 to 0xe0521ff8) [ 1327.257583][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.257615][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.257646][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.257697][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.257727][ T32] r4:84a3cc40 [ 1327.258017][ T32] INFO: task kworker/1:225:3734 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.258086][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.258153][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.258226][ T32] Call trace: [ 1327.258353][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.258410][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.258435][ T32] r4:00000000 [ 1327.258455][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.258497][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.258528][ T32] dd20: a8c92000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.258560][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.258597][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.258623][ T32] r5:800d0013 r4:80239bb0 [ 1327.258645][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.258689][ T32] r4:82ac21e4 [ 1327.258710][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.258756][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.258781][ T32] r4:e044ddc0 [ 1327.258817][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.258866][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.258891][ T32] r4:00000000 [ 1327.258947][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.259002][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.259045][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.259096][ T32] r5:00001000 r4:dfe3d000 [ 1327.259145][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.259194][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.292740][ T32] r5:84a2438c r4:84a24000 [ 1327.292809][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.292933][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.292960][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.293017][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.293043][ T32] r4:84ab5800 [ 1327.293068][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.293121][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.293145][ T32] r4:00000001 [ 1327.293167][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.293223][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.293262][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1327.293536][ T32] INFO: task kworker/1:226:3738 blocked for more than 453 seconds. ** 6 printk messages dropped ** [ 1327.293936][ T32] r10:8291a684 r9:e0631d84 r8:00000002 r7:60000113 r6:e0631d8c r5:84a46c00 ** 8 printk messages dropped ** [ 1327.294563][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1327.294832][ T32] r9:83018205 r8:84a46c00 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.294863][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.294967][ T32] r5:00001000 r4:dfeb1000 [ 1327.295024][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.295073][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.295173][ T32] r5:84bbab8c r4:84bba800 [ 1327.295229][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.295315][ T32] r7:ddde2d80 r6:83018200 r5:84bbab8c r4:84637f80 [ 1327.295348][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.295482][ T32] r10:61c88647 r9:84a46c00 r8:84637fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.295549][ T32] r4:84637f80 [ 1327.295613][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.295669][ T32] r10:00000000 r9:84637f80 r8:80287e08 r7:e0521e60 r6:84b49700 r5:84a46c00 [ 1327.295778][ T32] r4:00000001 [ 1327.295814][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.295886][ T32] Exception stack(0xe0631fb0 to 0xe0631ff8) [ 1327.295921][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.295952][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.296026][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.296071][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.296097][ T32] r4:84b5a080 [ 1327.296614][ T32] INFO: task kworker/1:226:3738 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.296661][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.296819][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.296874][ T32] Call trace: [ 1327.296907][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.296964][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.296989][ T32] r4:00000000 [ 1327.297010][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.297052][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.297110][ T32] dd20: a91cf000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.297174][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.297235][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.297265][ T32] r5:800d0013 r4:80239bb0 [ 1327.297319][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.297398][ T32] r4:82ac21e4 [ 1327.297426][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.297474][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.297500][ T32] r4:e044ddc0 [ 1327.297546][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.297602][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.297634][ T32] r4:00000000 [ 1327.297715][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.297773][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.297799][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.297872][ T32] r5:00001000 r4:dfe3d000 [ 1327.297900][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.297945][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.297990][ T32] r5:84a2438c r4:84a24000 [ 1327.298012][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.298091][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.298120][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.298172][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.298197][ T32] r4:84ab5800 [ 1327.298246][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.298325][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 4 printk messages dropped ** [ 1327.298503][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1327.299014][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 7 printk messages dropped ** [ 1327.323477][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1327.323809][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1327.324149][ T32] r5:84bb9f8c r4:84bb9c00 [ 1327.324205][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1327.324384][ T32] r4:84b5c000 ** 4 printk messages dropped ** [ 1327.324923][ T32] Exception stack(0xe0641fb0 to 0xe0641ff8) ** 6 printk messages dropped ** [ 1327.325706][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1327.326911][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.326970][ T32] r5:800d0013 r4:80239bb0 [ 1327.327154][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.327577][ T32] r4:82ac21e4 [ 1327.327657][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.327876][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.327950][ T32] r4:e044ddc0 [ 1327.328312][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.328578][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.328618][ T32] r4:00000000 [ 1327.328816][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.328877][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.328902][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.329012][ T32] r5:00001000 r4:dfe3d000 [ 1327.329040][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.329287][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.350067][ T32] r5:84a2438c r4:84a24000 [ 1327.350125][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.350224][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.350254][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.350333][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.350388][ T32] r4:84ab5800 [ 1327.350429][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.350497][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.350529][ T32] r4:00000001 [ 1327.350562][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.350614][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.350656][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.350752][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.350862][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.350906][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.350937][ T32] r4:84ab0640 [ 1327.350969][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.351008][ T32] INFO: task kworker/1:228:3741 blocked for more than 453 seconds. [ 1327.351083][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.351119][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.351149][ T32] task:kworker/1:228 state:D stack:0 pid:3741 tgid:3741 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.351230][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.351333][ T32] Call trace: [ 1327.351553][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.351700][ T32] r10:8291a684 r9:e0619d84 r8:00000002 r7:60000013 r6:e0619d8c r5:845d8c00 [ 1327.351732][ T32] r4:845d8c00 [ 1327.351756][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.351805][ T32] r5:845d8c00 r4:8291a680 [ 1327.351882][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.351959][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.352044][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0619e08 [ 1327.352072][ T32] r4:00000000 [ 1327.352097][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.352194][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.352301][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.352368][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5a440 [ 1327.352496][ T32] r4:00000000 [ 1327.352579][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.352701][ T32] r9:83018205 r8:845d8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f043000 [ 1327.352734][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.352808][ T32] r5:00001000 r4:dfe75000 [ 1327.352849][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.352900][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.352950][ T32] r5:84bba38c r4:84bba000 [ 1327.352973][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.353077][ T32] r7:ddde2d80 r6:83018200 r5:84bba38c r4:84b5c080 [ 1327.353108][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1327.353185][ T32] r4:84b5c080 ** 4 printk messages dropped ** [ 1327.353425][ T32] Exception stack(0xe0619fb0 to 0xe0619ff8) ** 7 printk messages dropped ** [ 1327.354355][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1327.354519][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1327.354658][ T32] dd20: a97f7000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 2 printk messages dropped ** [ 1327.354901][ T32] r5:800d0013 r4:80239bb0 ** 3 printk messages dropped ** [ 1327.355080][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 3 printk messages dropped ** [ 1327.355271][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1327.355358][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 4 printk messages dropped ** [ 1327.355658][ T32] r5:84a2438c r4:84a24000 ** 6 printk messages dropped ** [ 1327.356006][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 4 printk messages dropped ** [ 1327.356223][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.356684][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1327.356936][ T32] r5:845da400 r4:8291a680 [ 1327.356960][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.357002][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.357048][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0651e08 [ 1327.357077][ T32] r4:00000000 [ 1327.357114][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.357157][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.357194][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.357265][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5a5c0 [ 1327.357341][ T32] r4:00000000 [ 1327.357369][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.357422][ T32] r9:83018205 r8:845da400 r7:00000000 r6:83018200 r5:00001000 r4:7f045000 [ 1327.357446][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.357491][ T32] r5:00001000 r4:dfe97000 [ 1327.357554][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.357602][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.357664][ T32] r5:84bba78c r4:84bba400 [ 1327.357717][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.357800][ T32] r7:ddde2d80 r6:83018200 r5:84bba78c r4:84b5c180 [ 1327.357826][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.357891][ T32] r10:61c88647 r9:845da400 r8:84b5c1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.357919][ T32] r4:84b5c180 [ 1327.357967][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.358021][ T32] r10:00000000 r9:84b5c180 r8:80287e08 r7:e0631e60 r6:84b5c200 r5:845da400 [ 1327.358047][ T32] r4:00000001 [ 1327.358067][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.358107][ T32] Exception stack(0xe0651fb0 to 0xe0651ff8) [ 1327.358163][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.358225][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.358258][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.358361][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.358400][ T32] r4:84b5a2c0 [ 1327.358676][ T32] INFO: task kworker/1:229:3743 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.358720][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.358821][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.358872][ T32] Call trace: [ 1327.358932][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.359015][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.359070][ T32] r4:00000000 [ 1327.359109][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.359156][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.359258][ T32] dd20: a97f7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.371194][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.371250][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.371284][ T32] r5:800d0013 r4:80239bb0 [ 1327.371324][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.371391][ T32] r4:82ac21e4 [ 1327.371444][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.371548][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.371606][ T32] r4:e044ddc0 [ 1327.371632][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.371684][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.371710][ T32] r4:00000000 [ 1327.371731][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.371782][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.371823][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.371905][ T32] r5:00001000 r4:dfe3d000 [ 1327.371948][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.372056][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.372118][ T32] r5:84a2438c r4:84a24000 [ 1327.372170][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.372257][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.372301][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.372366][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1327.372669][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 7 printk messages dropped ** [ 1327.373141][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1327.373653][ T32] r4:845db000 ** 4 printk messages dropped ** [ 1327.373903][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0655e08 ** 7 printk messages dropped ** [ 1327.374218][ T32] r9:83018205 r8:845db000 r7:00000000 r6:83018200 r5:00001000 r4:7f04b000 ** 4 printk messages dropped ** [ 1327.374416][ T32] r5:84bbb38c r4:84bbb000 ** 1 printk messages dropped ** [ 1327.374486][ T32] r7:ddde2d80 r6:83018200 r5:84bbb38c r4:84b5c280 ** 5 printk messages dropped ** [ 1327.374757][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1327.374915][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.375853][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1327.376053][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1327.376274][ T32] r4:e044ddc0 ** 1 printk messages dropped ** [ 1327.376357][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.376399][ T32] r4:00000000 [ 1327.376428][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.376480][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.376530][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.376623][ T32] r5:00001000 r4:dfe3d000 [ 1327.376692][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.376741][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.376788][ T32] r5:84a2438c r4:84a24000 [ 1327.376812][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.376877][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.376905][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.376959][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.376983][ T32] r4:84ab5800 [ 1327.377005][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.377054][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.377077][ T32] r4:00000001 [ 1327.377099][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.377136][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.377165][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.377211][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.377303][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.377359][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.377387][ T32] r4:84ab0640 [ 1327.377415][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.377474][ T32] INFO: task kworker/1:231:3747 blocked for more than 453 seconds. [ 1327.377510][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.377536][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.377571][ T32] task:kworker/1:231 state:D stack:0 pid:3747 tgid:3747 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.377624][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.377671][ T32] Call trace: [ 1327.377768][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.377821][ T32] r10:8291a684 r9:e0529d84 r8:00000002 r7:60000113 r6:e0529d8c r5:845dbc00 [ 1327.377845][ T32] r4:845dbc00 [ 1327.377867][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.377913][ T32] r5:845dbc00 r4:8291a680 [ 1327.377935][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.377978][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.378023][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0529e08 [ 1327.378047][ T32] r4:00000000 [ 1327.378070][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.378136][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.378179][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.378224][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5a900 [ 1327.378248][ T32] r4:00000000 [ 1327.378341][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.378404][ T32] r9:83018205 r8:845dbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f049000 [ 1327.378430][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.378477][ T32] r5:00001000 r4:dfecb000 [ 1327.378501][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.378607][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.378688][ T32] r5:84bbaf8c r4:84bbac00 [ 1327.378741][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.378798][ T32] r7:ddde2d80 r6:83018200 r5:84bbaf8c r4:84b5c380 [ 1327.378822][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.378873][ T32] r10:61c88647 r9:845dbc00 r8:84b5c3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.378897][ T32] r4:84b5c380 [ 1327.378918][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.378966][ T32] r10:00000000 r9:84b5c380 r8:80287e08 r7:e0655e60 r6:84b5c400 r5:845dbc00 [ 1327.379017][ T32] r4:00000001 [ 1327.379042][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.379111][ T32] Exception stack(0xe0529fb0 to 0xe0529ff8) [ 1327.379144][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1327.379181][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.403127][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.403279][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.403353][ T32] r4:84b5a540 [ 1327.403833][ T32] INFO: task kworker/1:231:3747 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.403880][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.404029][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.404104][ T32] Call trace: [ 1327.404142][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.404206][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.404233][ T32] r4:00000000 [ 1327.404256][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.404302][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.404335][ T32] dd20: a9b0c000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.404367][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.404438][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.404516][ T32] r5:800d0013 r4:80239bb0 [ 1327.404566][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.404650][ T32] r4:82ac21e4 [ 1327.404679][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.404730][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.404756][ T32] r4:e044ddc0 [ 1327.404807][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.404858][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.404883][ T32] r4:00000000 [ 1327.404911][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.404964][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.404989][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.405065][ T32] r5:00001000 r4:dfe3d000 [ 1327.405094][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.405146][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.405196][ T32] r5:84a2438c r4:84a24000 [ 1327.405246][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.405338][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.405368][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.405480][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.405511][ T32] r4:84ab5800 [ 1327.405575][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.405635][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.405661][ T32] r4:00000001 [ 1327.405723][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.405770][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.405800][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.405832][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.405892][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.405929][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.405955][ T32] r4:84ab0640 [ 1327.405980][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.406058][ T32] INFO: task kworker/1:232:3752 blocked for more than 453 seconds. [ 1327.406130][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.406165][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.406216][ T32] task:kworker/1:232 state:D stack:0 pid:3752 tgid:3752 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.406303][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.406379][ T32] Call trace: [ 1327.406446][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.406505][ T32] r10:8291a684 r9:e0659d84 r8:00000002 r7:60000113 r6:e0659d8c r5:845dc800 [ 1327.406533][ T32] r4:845dc800 [ 1327.406555][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.406603][ T32] r5:845dc800 r4:8291a680 [ 1327.406625][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.406666][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.406727][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0659e08 [ 1327.406788][ T32] r4:00000000 [ 1327.406842][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.406886][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.406953][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.407005][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5ac80 [ 1327.407031][ T32] r4:00000000 [ 1327.407113][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.407166][ T32] r9:83018205 r8:845dc800 r7:00000000 r6:83018200 r5:00001000 r4:7f04f000 [ 1327.407205][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.407283][ T32] r5:00001000 r4:e0329000 [ 1327.407309][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.407366][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.407460][ T32] r5:84bbbb8c r4:84bbb800 [ 1327.407486][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.407584][ T32] r7:ddde2d80 r6:83018200 r5:84bbbb8c r4:84b5c480 [ 1327.407656][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.407789][ T32] r10:61c88647 r9:845dc800 r8:84b5c4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.407852][ T32] r4:84b5c480 [ 1327.407965][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.408108][ T32] r10:00000000 r9:84b5c480 r8:80287e08 r7:e0655e60 r6:84b5c500 r5:845dc800 [ 1327.408167][ T32] r4:00000001 [ 1327.408212][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.408303][ T32] Exception stack(0xe0659fb0 to 0xe0659ff8) [ 1327.408386][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1327.408451][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.408489][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.408571][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.408605][ T32] r4:84b5a8c0 [ 1327.409006][ T32] INFO: task kworker/1:232:3752 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.409091][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.409253][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.409587][ T32] Call trace: [ 1327.441081][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.441230][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.441384][ T32] r4:00000000 [ 1327.441418][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.441612][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.441682][ T32] dd20: a9c5d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.441721][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.441754][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.441785][ T32] r5:800d0013 r4:80239bb0 [ 1327.441882][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.441944][ T32] r4:82ac21e4 [ 1327.442204][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.442422][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.442466][ T32] r4:e044ddc0 [ 1327.442587][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.442744][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.442965][ T32] r4:00000000 [ 1327.443002][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.443202][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.443242][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.443379][ T32] r5:00001000 r4:dfe3d000 [ 1327.443410][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.443539][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.443664][ T32] r5:84a2438c r4:84a24000 [ 1327.443787][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.443853][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.443878][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.443932][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.444167][ T32] r4:84ab5800 [ 1327.444370][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.444436][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1327.445261][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1327.445922][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.446999][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1327.447879][ T32] r9:83018205 r8:845dd400 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 ** 4 printk messages dropped ** [ 1327.448141][ T32] r5:84bbb78c r4:84bbb400 [ 1327.448166][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1327.448583][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1327.448784][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1327.469190][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1327.469674][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 3 printk messages dropped ** [ 1327.481657][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.481704][ T32] r5:800d0013 r4:80239bb0 [ 1327.481738][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.481821][ T32] r4:82ac21e4 [ 1327.481949][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.482049][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.482088][ T32] r4:e044ddc0 [ 1327.482119][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.482181][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.482214][ T32] r4:00000000 [ 1327.482244][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.482629][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.482839][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.482983][ T32] r5:00001000 r4:dfe3d000 [ 1327.483016][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.483067][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.483135][ T32] r5:84a2438c r4:84a24000 [ 1327.483190][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.483482][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.483691][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.483756][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.483782][ T32] r4:84ab5800 [ 1327.483917][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.483977][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.484004][ T32] r4:00000001 [ 1327.484044][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.484183][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.484217][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.484251][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.484283][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.484413][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.484655][ T32] r4:84ab0640 [ 1327.484770][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.484813][ T32] INFO: task kworker/1:234:3755 blocked for more than 453 seconds. [ 1327.484975][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.485060][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.485200][ T32] task:kworker/1:234 state:D stack:0 pid:3755 tgid:3755 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.485275][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.485349][ T32] Call trace: [ 1327.485388][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.485548][ T32] r10:8291a684 r9:e065dd84 r8:00000002 r7:60000013 r6:e065dd8c r5:845de000 [ 1327.485663][ T32] r4:845de000 [ 1327.485691][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.485745][ T32] r5:845de000 r4:8291a680 [ 1327.485995][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.486109][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.486215][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e065de08 [ 1327.486337][ T32] r4:00000000 [ 1327.486363][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.486407][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.486446][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.486569][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5ae00 [ 1327.486860][ T32] r4:00000000 [ 1327.486887][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.486939][ T32] r9:83018205 r8:845de000 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 [ 1327.486964][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.487067][ T32] r5:00001000 r4:e0435000 [ 1327.487094][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.487381][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.487435][ T32] r5:84bbbf8c r4:84bbbc00 [ 1327.487459][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.487511][ T32] r7:ddde2d80 r6:83018200 r5:84bbbf8c r4:84b5c680 [ 1327.487534][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.487592][ T32] r10:61c88647 r9:845de000 r8:84b5c6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.487616][ T32] r4:84b5c680 [ 1327.487637][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.487687][ T32] r10:00000000 r9:84b5c680 r8:80287e08 r7:e0659e60 r6:84b5c700 r5:845de000 [ 1327.487746][ T32] r4:00000001 [ 1327.487772][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.487867][ T32] Exception stack(0xe065dfb0 to 0xe065dff8) ** 4 printk messages dropped ** [ 1327.488220][ T32] r4:84b5ab00 ** 2 printk messages dropped ** [ 1327.489025][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1327.511652][ T32] dd20: aa479000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 7 printk messages dropped ** [ 1327.512392][ T32] r4:e044ddc0 ** 2 printk messages dropped ** [ 1327.512857][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1327.512939][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 3 printk messages dropped ** [ 1327.513206][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1327.513437][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1327.513568][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1327.513866][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1327.514929][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1327.515542][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 7 printk messages dropped ** [ 1327.516184][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1327.516801][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.516846][ T32] r5:84bbc38c r4:84bbc000 ** 3 printk messages dropped ** [ 1327.517075][ T32] r10:61c88647 r9:845d8000 r8:84b5c7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1327.517470][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1327.517568][ T32] r4:84b5ac00 [ 1327.518035][ T32] INFO: task kworker/1:235:3757 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.518111][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.518347][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.518400][ T32] Call trace: [ 1327.518529][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.518598][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.518626][ T32] r4:00000000 [ 1327.518671][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.518720][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.518788][ T32] dd20: aa479000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.518943][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.518977][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.519115][ T32] r5:800d0013 r4:80239bb0 [ 1327.519143][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.519298][ T32] r4:82ac21e4 [ 1327.550923][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.551164][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.551237][ T32] r4:e044ddc0 [ 1327.551298][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.551421][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.551511][ T32] r4:00000000 [ 1327.551578][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.551742][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.551831][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.551980][ T32] r5:00001000 r4:dfe3d000 [ 1327.552125][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.552242][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.552350][ T32] r5:84a2438c r4:84a24000 [ 1327.552414][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.552565][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.552664][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.552865][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.552936][ T32] r4:84ab5800 [ 1327.552991][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.553159][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.553219][ T32] r4:00000001 [ 1327.553273][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.553363][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.553451][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.553522][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.553614][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.553689][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.553741][ T32] r4:84ab0640 [ 1327.553799][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.553864][ T32] INFO: task kworker/1:236:3758 blocked for more than 453 seconds. [ 1327.553947][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.554005][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.554055][ T32] task:kworker/1:236 state:D stack:0 pid:3758 tgid:3758 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.554231][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.554413][ T32] Call trace: [ 1327.554512][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.554640][ T32] r10:8291a684 r9:e4689d84 r8:00000002 r7:60000013 r6:e4689d8c r5:845d9800 [ 1327.554726][ T32] r4:845d9800 [ 1327.554784][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.554972][ T32] r5:845d9800 r4:8291a680 [ 1327.555037][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.555158][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.555269][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4689e08 [ 1327.555328][ T32] r4:00000000 [ 1327.555382][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.555476][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.555565][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.555722][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b731c0 [ 1327.555797][ T32] r4:00000000 [ 1327.555842][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.555973][ T32] r9:83018205 r8:845d9800 r7:00000000 r6:83018200 r5:00001000 r4:7f059000 [ 1327.556037][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.556155][ T32] r5:00001000 r4:e04e3000 [ 1327.556213][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.556306][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.556401][ T32] r5:84bbc78c r4:84bbc400 [ 1327.556454][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.556584][ T32] r7:ddde2d80 r6:83018200 r5:84bbc78c r4:84b5c880 [ 1327.556647][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.556766][ T32] r10:61c88647 r9:845d9800 r8:84b5c8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.556830][ T32] r4:84b5c880 [ 1327.556878][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.556981][ T32] r10:00000000 r9:84b5c880 r8:80287e08 r7:e4685e60 r6:84b5c900 r5:845d9800 [ 1327.557051][ T32] r4:00000001 [ 1327.557101][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.557194][ T32] Exception stack(0xe4689fb0 to 0xe4689ff8) [ 1327.557302][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1327.557387][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.557488][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.557568][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.557630][ T32] r4:8463dfc0 [ 1327.558437][ T32] INFO: task kworker/1:236:3758 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.558529][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.558676][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.558788][ T32] Call trace: [ 1327.558894][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.559005][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.559075][ T32] r4:00000000 [ 1327.559154][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.559352][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.582603][ T32] dd20: aa621000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.582682][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.582712][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.582744][ T32] r5:800d0013 r4:80239bb0 [ 1327.582771][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.582892][ T32] r4:82ac21e4 [ 1327.582920][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.582969][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.583428][ T32] r4:e044ddc0 [ 1327.583475][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.583527][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.583635][ T32] r4:00000000 [ 1327.583697][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.583757][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.583782][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.583870][ T32] r5:00001000 r4:dfe3d000 [ 1327.583992][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.584062][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.584115][ T32] r5:84a2438c r4:84a24000 [ 1327.584138][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.584207][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.584327][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.584391][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.584446][ T32] r4:84ab5800 [ 1327.584472][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.584654][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.584686][ T32] r4:00000001 [ 1327.584710][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.584753][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.584901][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.584938][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.584968][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.585000][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.585582][ T32] r4:84ab0640 [ 1327.585615][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.585651][ T32] INFO: task kworker/1:237:3760 blocked for more than 454 seconds. [ 1327.585780][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.585984][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.586107][ T32] task:kworker/1:237 state:D stack:0 pid:3760 tgid:3760 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.586350][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.586697][ T32] Call trace: [ 1327.586739][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.586799][ T32] r10:8291a684 r9:e4691d84 r8:00000002 r7:60000013 r6:e4691d8c r5:84bf0c00 [ 1327.586823][ T32] r4:84bf0c00 [ 1327.586846][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.586893][ T32] r5:84bf0c00 r4:8291a680 [ 1327.586934][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.586983][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.587053][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4691e08 [ 1327.587083][ T32] r4:00000000 [ 1327.587170][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.587212][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.587286][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.587336][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b734c0 [ 1327.587361][ T32] r4:00000000 [ 1327.587392][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.587636][ T32] r9:83018205 r8:84bf0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f05d000 [ 1327.587916][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.587967][ T32] r5:00001000 r4:e04ff000 [ 1327.588003][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.588052][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.588137][ T32] r5:84bbcf8c r4:84bbcc00 [ 1327.588164][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.588236][ T32] r7:ddde2d80 r6:83018200 r5:84bbcf8c r4:84b5c980 [ 1327.588327][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.588410][ T32] r10:61c88647 r9:84bf0c00 r8:84b5c9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.588440][ T32] r4:84b5c980 [ 1327.588481][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.588600][ T32] r10:00000000 r9:84b5c980 r8:80287e08 r7:e4689e60 r6:84b5ca00 r5:84bf0c00 [ 1327.588638][ T32] r4:00000001 [ 1327.588660][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.588700][ T32] Exception stack(0xe4691fb0 to 0xe4691ff8) [ 1327.588729][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.588760][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.588789][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.588821][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.588864][ T32] r4:8463dfc0 [ 1327.606228][ T32] INFO: task kworker/1:237:3760 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.606396][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.606527][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.606644][ T32] Call trace: [ 1327.606723][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.606792][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.606841][ T32] r4:00000000 [ 1327.606871][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.606920][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.606985][ T32] dd20: aaa22000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.607023][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.607051][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.607114][ T32] r5:800d0013 r4:80239bb0 [ 1327.607142][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.607191][ T32] r4:82ac21e4 [ 1327.607214][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.607276][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.607338][ T32] r4:e044ddc0 [ 1327.607468][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.607568][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.607631][ T32] r4:00000000 [ 1327.607658][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.607713][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.607738][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.607784][ T32] r5:00001000 r4:dfe3d000 [ 1327.607807][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.607849][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.607894][ T32] r5:84a2438c r4:84a24000 [ 1327.607916][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.608001][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.608032][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.608094][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.608124][ T32] r4:84ab5800 [ 1327.608147][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.608200][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.608224][ T32] r4:00000001 [ 1327.608247][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.608302][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.608337][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.608369][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.608415][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.608480][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.608555][ T32] r4:84ab0640 [ 1327.608773][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.608820][ T32] INFO: task kworker/0:87:3762 blocked for more than 454 seconds. [ 1327.608861][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.608889][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.608911][ T32] task:kworker/0:87 state:D stack:0 pid:3762 tgid:3762 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.608963][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.609011][ T32] Call trace: [ 1327.609142][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.609333][ T32] r10:8291a684 r9:e468dd84 r8:00000002 r7:60000113 r6:e468dd8c r5:84ad8000 [ 1327.620100][ T32] r4:84ad8000 [ 1327.620205][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.620369][ T32] r5:84ad8000 r4:8291a680 [ 1327.620428][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.620540][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.620638][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e468de08 [ 1327.620707][ T32] r4:00000000 [ 1327.620757][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.620801][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.620843][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.620887][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b63fc0 [ 1327.620926][ T32] r4:00000000 [ 1327.620953][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.621005][ T32] r9:83018005 r8:84ad8000 r7:00000000 r6:83018000 r5:00001000 r4:7f05f000 [ 1327.621029][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.621077][ T32] r5:00001000 r4:e05c3000 [ 1327.621098][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.621174][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.621312][ T32] r5:84b95f8c r4:84b95c00 [ 1327.621380][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.621489][ T32] r7:dddced80 r6:83018000 r5:84b95f8c r4:84b49800 [ 1327.621537][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.621662][ T32] r10:61c88647 r9:84ad8000 r8:84b4982c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1327.621739][ T32] r4:84b49800 [ 1327.621785][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.621890][ T32] r10:00000000 r9:84b49800 r8:80287e08 r7:e0515e60 r6:84b49880 r5:84ad8000 [ 1327.621941][ T32] r4:00000001 [ 1327.621985][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.622068][ T32] Exception stack(0xe468dfb0 to 0xe468dff8) [ 1327.622131][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.622185][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.622239][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.622295][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.622344][ T32] r4:84b63a40 [ 1327.623111][ T32] INFO: task kworker/0:87:3762 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.623200][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.623631][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.623743][ T32] Call trace: [ 1327.623847][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.623961][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 4 printk messages dropped ** [ 1327.624539][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 6 printk messages dropped ** [ 1327.625284][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1327.625804][ T32] r5:00001000 r4:dfe3d000 ** 5 printk messages dropped ** [ 1327.626164][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1327.626487][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1327.626920][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 2 printk messages dropped ** [ 1327.627103][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1327.627512][ T32] r5:84ada400 r4:8291a680 ** 5 printk messages dropped ** [ 1327.628255][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1327.628709][ T32] r9:83018205 r8:84ada400 r7:00000000 r6:83018200 r5:00001000 r4:7f05b000 [ 1327.628761][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.628920][ T32] r5:00001000 r4:e04f1000 [ 1327.628980][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.629089][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.629186][ T32] r5:84bbcb8c r4:84bbc800 [ 1327.629240][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.659959][ T32] r7:ddde2d80 r6:83018200 r5:84bbcb8c r4:84b5ca80 [ 1327.660058][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.660152][ T32] r10:61c88647 r9:84ada400 r8:84b5caac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.660180][ T32] r4:84b5ca80 [ 1327.660226][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.660293][ T32] r10:00000000 r9:84b5ca80 r8:80287e08 r7:e4691e60 r6:84b49900 r5:84ada400 [ 1327.660322][ T32] r4:00000001 [ 1327.660346][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.660400][ T32] Exception stack(0xe4695fb0 to 0xe4695ff8) [ 1327.660438][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.660473][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.660539][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.660582][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.660610][ T32] r4:84b73040 [ 1327.661108][ T32] INFO: task kworker/1:238:3763 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.661154][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.661241][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.661302][ T32] Call trace: [ 1327.661430][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.661540][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.661592][ T32] r4:00000000 [ 1327.661642][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.661707][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.661748][ T32] dd20: aafbe000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.661795][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.661825][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.661851][ T32] r5:800d0013 r4:80239bb0 [ 1327.661907][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.661995][ T32] r4:82ac21e4 [ 1327.662023][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.662082][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.662196][ T32] r4:e044ddc0 [ 1327.662326][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.662428][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.662459][ T32] r4:00000000 [ 1327.662483][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.662568][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.662597][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.662651][ T32] r5:00001000 r4:dfe3d000 [ 1327.662675][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.662756][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.662809][ T32] r5:84a2438c r4:84a24000 [ 1327.662832][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.662921][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.662984][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.663050][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.663074][ T32] r4:84ab5800 [ 1327.663129][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.663187][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.663227][ T32] r4:00000001 [ 1327.663269][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.663349][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.663441][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.663481][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.663512][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.663544][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.663590][ T32] r4:84ab0640 [ 1327.663621][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.663658][ T32] INFO: task kworker/1:239:3767 blocked for more than 454 seconds. [ 1327.663743][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.663780][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.663805][ T32] task:kworker/1:239 state:D stack:0 pid:3767 tgid:3767 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.663857][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.663994][ T32] Call trace: [ 1327.664138][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.664227][ T32] r10:8291a684 r9:e4699d84 r8:00000002 r7:60000013 r6:e4699d8c r5:84bf3000 [ 1327.664258][ T32] r4:84bf3000 [ 1327.664281][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 2 printk messages dropped ** [ 1327.664463][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1327.664943][ T32] r9:83018205 r8:84bf3000 r7:00000000 r6:83018200 r5:00001000 r4:7f063000 ** 4 printk messages dropped ** [ 1327.665119][ T32] r5:84bbd78c r4:84bbd400 [ 1327.665141][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.665189][ T32] r7:ddde2d80 r6:83018200 r5:84bbd78c r4:84b5cb00 [ 1327.665212][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.665277][ T32] r10:61c88647 r9:84bf3000 r8:84b5cb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.665307][ T32] r4:84b5cb00 [ 1327.665354][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.665464][ T32] r10:00000000 r9:84b5cb00 r8:80287e08 r7:e4691e60 r6:84b5cb80 r5:84bf3000 [ 1327.665498][ T32] r4:00000001 [ 1327.665556][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.665598][ T32] Exception stack(0xe4699fb0 to 0xe4699ff8) [ 1327.665631][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1327.665662][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.665728][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.665773][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.665801][ T32] r4:84b73340 [ 1327.666104][ T32] INFO: task kworker/1:239:3767 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.666316][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.666448][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.666536][ T32] Call trace: [ 1327.666589][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.666692][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.666728][ T32] r4:00000000 [ 1327.666752][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.666795][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.666830][ T32] dd20: aafbe000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.666895][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.666968][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.667000][ T32] r5:800d0013 r4:80239bb0 [ 1327.667025][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.667088][ T32] r4:82ac21e4 [ 1327.667148][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.667199][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.667224][ T32] r4:e044ddc0 [ 1327.667245][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.667288][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.667311][ T32] r4:00000000 [ 1327.667331][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.667391][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.667415][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.667460][ T32] r5:00001000 r4:dfe3d000 [ 1327.667483][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.667524][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.667635][ T32] r5:84a2438c r4:84a24000 [ 1327.667691][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.667819][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.667880][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.667969][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.668014][ T32] r4:84ab5800 [ 1327.668053][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.668141][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.668187][ T32] r4:00000001 [ 1327.668228][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.668295][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.668355][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.668439][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.668550][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.668625][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.668673][ T32] r4:84ab0640 [ 1327.668725][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.668880][ T32] INFO: task kworker/1:240:3769 blocked for more than 454 seconds. [ 1327.668952][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.669003][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1327.669135][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.701084][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1327.701663][ T32] r9:83018205 r8:84bf3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f061000 ** 4 printk messages dropped ** [ 1327.701846][ T32] r5:84bbd38c r4:84bbd000 [ 1327.701868][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1327.702069][ T32] r4:84b5cc00 ** 4 printk messages dropped ** [ 1327.702291][ T32] Exception stack(0xe46a1fb0 to 0xe46a1ff8) ** 4 printk messages dropped ** [ 1327.702452][ T32] r4:84b73500 ** 5 printk messages dropped ** [ 1327.703302][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1327.703684][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1327.703891][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1327.704154][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1327.704573][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1327.704766][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.705197][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1327.705381][ T32] r4:84bf4800 [ 1327.705409][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.705498][ T32] r5:84bf4800 r4:8291a680 [ 1327.705524][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.705565][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.705608][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e469de08 [ 1327.705664][ T32] r4:00000000 [ 1327.705689][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.705742][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.705822][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.705871][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848c2600 [ 1327.705896][ T32] r4:00000000 [ 1327.705918][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.705993][ T32] r9:83018005 r8:84bf4800 r7:00000000 r6:83018000 r5:00001000 r4:7f07d000 [ 1327.706055][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.706131][ T32] r5:00001000 r4:dfee9000 [ 1327.706157][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.706231][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.706281][ T32] r5:84b96f8c r4:84b96c00 [ 1327.706302][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.706350][ T32] r7:dddced80 r6:83018000 r5:84b96f8c r4:84b49980 [ 1327.706421][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.706474][ T32] r10:61c88647 r9:84bf4800 r8:84b499ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1327.706498][ T32] r4:84b49980 [ 1327.706520][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.706566][ T32] r10:00000000 r9:84b49980 r8:80287e08 r7:e468de60 r6:84b5cd00 r5:84bf4800 [ 1327.706589][ T32] r4:00000001 [ 1327.706641][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.706682][ T32] Exception stack(0xe469dfb0 to 0xe469dff8) [ 1327.706712][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.706744][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.706772][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.706834][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.706897][ T32] r4:84b63e40 [ 1327.707207][ T32] INFO: task kworker/0:88:3770 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.707246][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.707327][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.707400][ T32] Call trace: [ 1327.707455][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.707513][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.707572][ T32] r4:00000000 [ 1327.707619][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.707671][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.707725][ T32] dd20: ab36d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.707829][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.707893][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.707976][ T32] r5:800d0013 r4:80239bb0 [ 1327.708031][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.708115][ T32] r4:82ac21e4 [ 1327.708158][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.708285][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.708341][ T32] r4:e044ddc0 [ 1327.708394][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.708474][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.708549][ T32] r4:00000000 [ 1327.708590][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.708679][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.708723][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.708874][ T32] r5:00001000 r4:dfe3d000 [ 1327.708931][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.709012][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.709095][ T32] r5:84a2438c r4:84a24000 [ 1327.709137][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.709339][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.729160][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.730166][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.730236][ T32] r4:84ab5800 [ 1327.730266][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.730341][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.730375][ T32] r4:00000001 [ 1327.730399][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.730443][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.730477][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1327.730692][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1327.730975][ T32] task:kworker/1:241 state:D stack:0 pid:3773 tgid:3773 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1327.731607][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e46d1e08 ** 7 printk messages dropped ** [ 1327.731963][ T32] r9:83018205 r8:84bf5400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 4 printk messages dropped ** [ 1327.732180][ T32] r5:84bbdb8c r4:84bbd800 ** 1 printk messages dropped ** [ 1327.732260][ T32] r7:ddde2d80 r6:83018200 r5:84bbdb8c r4:84b5cd80 ** 4 printk messages dropped ** [ 1327.732477][ T32] r10:00000000 r9:84b5cd80 r8:80287e08 r7:e4699e60 r6:84b5ce00 r5:84bf5400 ** 1 printk messages dropped ** [ 1327.732617][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.732673][ T32] Exception stack(0xe46d1fb0 to 0xe46d1ff8) [ 1327.732704][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.732734][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.732762][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.732830][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.732884][ T32] r4:84b73780 [ 1327.733329][ T32] INFO: task kworker/1:241:3773 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.733382][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.733524][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.733573][ T32] Call trace: [ 1327.733640][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.733703][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.733729][ T32] r4:00000000 [ 1327.733751][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.733794][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.733825][ T32] dd20: ab551000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.733864][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.733921][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.733972][ T32] r5:800d0013 r4:80239bb0 [ 1327.734014][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.734133][ T32] r4:82ac21e4 [ 1327.734187][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.734272][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.734342][ T32] r4:e044ddc0 [ 1327.734430][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.734572][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.734650][ T32] r4:00000000 [ 1327.734709][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.734819][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.734867][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.734951][ T32] r5:00001000 r4:dfe3d000 [ 1327.735023][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.735114][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.735200][ T32] r5:84a2438c r4:84a24000 [ 1327.735244][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.735336][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.735444][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.735547][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.735599][ T32] r4:84ab5800 [ 1327.735645][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.735741][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.735815][ T32] r4:00000001 [ 1327.735865][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.735945][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.736005][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.736072][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.736132][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.736201][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.736253][ T32] r4:84ab0640 [ 1327.736304][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.736404][ T32] INFO: task kworker/1:242:3775 blocked for more than 454 seconds. [ 1327.736478][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.736560][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.736604][ T32] task:kworker/1:242 state:D stack:0 pid:3775 tgid:3775 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.736709][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.736953][ T32] Call trace: [ 1327.737026][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.737084][ T32] r10:8291a684 r9:e46e1d84 r8:00000002 r7:60000113 r6:e46e1d8c r5:84bf6000 [ 1327.737109][ T32] r4:84bf6000 [ 1327.737153][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.737239][ T32] r5:84bf6000 r4:8291a680 [ 1327.737281][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.737329][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.737384][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e46e1e08 [ 1327.737431][ T32] r4:00000000 [ 1327.737456][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.737495][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.737565][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.737614][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6f2c0 [ 1327.737676][ T32] r4:00000000 [ 1327.737736][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.737857][ T32] r9:83018205 r8:84bf6000 r7:00000000 r6:83018200 r5:00001000 r4:7f0ad000 [ 1327.737885][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.737950][ T32] r5:00001000 r4:e8707000 [ 1327.737975][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1327.738066][ T32] r5:84bbe78c r4:84bbe400 [ 1327.738087][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.738203][ T32] r7:ddde2d80 r6:83018200 r5:84bbe78c r4:84b5ce80 ** 1 printk messages dropped ** [ 1327.738282][ T32] r10:61c88647 r9:84bf6000 r8:84b5ceac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1327.738530][ T32] Exception stack(0xe46e1fb0 to 0xe46e1ff8) ** 7 printk messages dropped ** [ 1327.763323][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1327.763750][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1327.764007][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1327.764311][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1327.764673][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1327.765006][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 4 printk messages dropped ** [ 1327.765266][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1327.765500][ T32] INFO: task kworker/1:243:3776 blocked for more than 454 seconds. ** 3 printk messages dropped ** [ 1327.765718][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1327.765917][ T32] r4:84bf1800 ** 1 printk messages dropped ** [ 1327.766032][ T32] r5:84bf1800 r4:8291a680 ** 5 printk messages dropped ** [ 1327.766469][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1327.766736][ T32] r9:83018205 r8:84bf1800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a7000 [ 1327.766764][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.766810][ T32] r5:00001000 r4:e46dd000 [ 1327.766831][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.766873][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.766917][ T32] r5:84bbdf8c r4:84bbdc00 [ 1327.766938][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.766988][ T32] r7:ddde2d80 r6:83018200 r5:84bbdf8c r4:84b5cf80 [ 1327.767012][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.767099][ T32] r10:61c88647 r9:84bf1800 r8:84b5cfac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.767128][ T32] r4:84b5cf80 [ 1327.767182][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.767235][ T32] r10:00000000 r9:84b5cf80 r8:80287e08 r7:e46e1e60 r6:84bed000 r5:84bf1800 [ 1327.767278][ T32] r4:00000001 [ 1327.767335][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.767489][ T32] Exception stack(0xe46a5fb0 to 0xe46a5ff8) [ 1327.767525][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.767559][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.767588][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.767621][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.767683][ T32] r4:84b73ac0 [ 1327.768210][ T32] INFO: task kworker/1:243:3776 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.768250][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.768377][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.768521][ T32] Call trace: [ 1327.768583][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.768648][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.768674][ T32] r4:00000000 [ 1327.768811][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.768954][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.769095][ T32] dd20: ab8ae000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.769133][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.769179][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.769210][ T32] r5:800d0013 r4:80239bb0 [ 1327.790456][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.790667][ T32] r4:82ac21e4 [ 1327.790722][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.790783][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.791047][ T32] r4:e044ddc0 [ 1327.791075][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.791127][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.791153][ T32] r4:00000000 [ 1327.791176][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.791229][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.791255][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.791307][ T32] r5:00001000 r4:dfe3d000 [ 1327.791331][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.791390][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.791526][ T32] r5:84a2438c r4:84a24000 [ 1327.791696][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.791765][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.791813][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.791876][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.791902][ T32] r4:84ab5800 [ 1327.791925][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.791978][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.792004][ T32] r4:00000001 [ 1327.792042][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.792091][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.792149][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.792260][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.792296][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.792409][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.792440][ T32] r4:84ab0640 [ 1327.792467][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.792524][ T32] INFO: task kworker/0:89:3778 blocked for more than 454 seconds. [ 1327.792566][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.792692][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.792724][ T32] task:kworker/0:89 state:D stack:0 pid:3778 tgid:3778 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.792924][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.793155][ T32] Call trace: [ 1327.793590][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.793703][ T32] r10:8291a684 r9:e46f9d84 r8:00000002 r7:60000113 r6:e46f9d8c r5:84bf2400 [ 1327.793806][ T32] r4:84bf2400 [ 1327.793833][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.794004][ T32] r5:84bf2400 r4:8291a680 [ 1327.794128][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.794243][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.794297][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e46f9e08 [ 1327.794354][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1327.794584][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1327.795262][ T32] r9:83018005 r8:84bf2400 r7:00000000 r6:83018000 r5:00001000 r4:7f0a9000 ** 3 printk messages dropped ** [ 1327.795804][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.795932][ T32] r5:84b9638c r4:84b96000 [ 1327.795978][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.796073][ T32] r7:dddced80 r6:83018000 r5:84b9638c r4:84b49a00 [ 1327.796261][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.796377][ T32] r10:61c88647 r9:84bf2400 r8:84b49a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1327.796431][ T32] r4:84b49a00 [ 1327.796496][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.796624][ T32] r10:00000000 r9:84b49a00 r8:80287e08 r7:e469de60 r6:84bed080 r5:84bf2400 [ 1327.796685][ T32] r4:00000001 [ 1327.796734][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.796821][ T32] Exception stack(0xe46f9fb0 to 0xe46f9ff8) [ 1327.797018][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1327.797102][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.797158][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.797221][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.797276][ T32] r4:84b63dc0 [ 1327.797923][ T32] INFO: task kworker/0:89:3778 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.797973][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.798212][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.798267][ T32] Call trace: [ 1327.798437][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.798502][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.798529][ T32] r4:00000000 [ 1327.798552][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.798595][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.798921][ T32] dd20: abb5c000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.799045][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.799078][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.799106][ T32] r5:800d0013 r4:80239bb0 [ 1327.799129][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.799177][ T32] r4:82ac21e4 [ 1327.799200][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.799246][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.799320][ T32] r4:e044ddc0 [ 1327.829094][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.830241][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.830315][ T32] r4:00000000 [ 1327.830343][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.830517][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.830550][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.830639][ T32] r5:00001000 r4:dfe3d000 [ 1327.830668][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.830715][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.830858][ T32] r5:84a2438c r4:84a24000 [ 1327.831043][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.831105][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 1 printk messages dropped ** [ 1327.831187][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1327.831826][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 8 printk messages dropped ** [ 1327.832666][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 6 printk messages dropped ** [ 1327.833111][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8705e08 ** 10 printk messages dropped ** [ 1327.833638][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1327.833784][ T32] r5:84bbe38c r4:84bbe000 [ 1327.833812][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1327.834173][ T32] r4:84bed100 ** 3 printk messages dropped ** [ 1327.834334][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1327.835670][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1327.836231][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 12 printk messages dropped ** [ 1327.837054][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1327.837377][ T32] r5:84a2438c r4:84a24000 ** 3 printk messages dropped ** [ 1327.837735][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1327.838181][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1327.838498][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.838566][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.838648][ T32] task:kworker/0:90 state:D stack:0 pid:3781 tgid:3781 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.838741][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.838833][ T32] Call trace: [ 1327.838921][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.838981][ T32] r10:8291a684 r9:e0679d84 r8:00000002 r7:60000113 r6:e0679d8c r5:84bf0000 [ 1327.839007][ T32] r4:84bf0000 [ 1327.839030][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.839079][ T32] r5:84bf0000 r4:8291a680 [ 1327.839214][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.880356][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.880612][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0679e08 [ 1327.880644][ T32] r4:00000000 [ 1327.880712][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.880819][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.880869][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.880988][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85074ac0 [ 1327.881053][ T32] r4:00000000 [ 1327.881131][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.881196][ T32] r9:83018005 r8:84bf0000 r7:00000000 r6:83018000 r5:00001000 r4:7f06f000 [ 1327.881263][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.881327][ T32] r5:00001000 r4:dfc61000 [ 1327.881351][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.881403][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.881494][ T32] r5:84bd8b8c r4:84bd8800 [ 1327.881521][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.881581][ T32] r7:dddced80 r6:83018000 r5:84bd8b8c r4:84b49a80 [ 1327.881604][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.881656][ T32] r10:61c88647 r9:84bf0000 r8:84b49aac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1327.881703][ T32] r4:84b49a80 [ 1327.881730][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.881796][ T32] r10:00000000 r9:84b49a80 r8:80287e08 r7:e469de60 r6:84bed200 r5:84bf0000 [ 1327.881825][ T32] r4:00000001 [ 1327.881866][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.881944][ T32] Exception stack(0xe0679fb0 to 0xe0679ff8) [ 1327.881983][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1327.882016][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.882047][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.882081][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.882128][ T32] r4:84b63f80 [ 1327.882707][ T32] INFO: task kworker/0:90:3781 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.882752][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.882836][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.883024][ T32] Call trace: [ 1327.883067][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.883125][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.883282][ T32] r4:00000000 [ 1327.883307][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.883352][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.883391][ T32] dd20: ac347000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.883517][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.883641][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.883671][ T32] r5:800d0013 r4:80239bb0 [ 1327.883695][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.883741][ T32] r4:82ac21e4 [ 1327.883763][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.883889][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.883918][ T32] r4:e044ddc0 [ 1327.883940][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.883986][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.884012][ T32] r4:00000000 [ 1327.884058][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.884207][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.884235][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.884283][ T32] r5:00001000 r4:dfe3d000 [ 1327.884339][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.884530][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.884584][ T32] r5:84a2438c r4:84a24000 [ 1327.884608][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.884752][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.884781][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.884835][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.884860][ T32] r4:84ab5800 [ 1327.884881][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.884930][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.884989][ T32] r4:00000001 [ 1327.885016][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.885058][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1327.885092][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.885221][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.885255][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.885287][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.885405][ T32] r4:84ab0640 [ 1327.885643][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.885711][ T32] INFO: task kworker/1:245:3784 blocked for more than 454 seconds. [ 1327.885866][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.885900][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.885927][ T32] task:kworker/1:245 state:D stack:0 pid:3784 tgid:3784 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.886110][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.886262][ T32] Call trace: [ 1327.886356][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.886478][ T32] r10:8291a684 r9:e46edd84 r8:00000002 r7:60000013 r6:e46edd8c r5:845dec00 [ 1327.886601][ T32] r4:845dec00 [ 1327.886723][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.886931][ T32] r5:845dec00 r4:8291a680 [ 1327.886957][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.887003][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.887049][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e46ede08 [ 1327.887226][ T32] r4:00000000 [ 1327.887253][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.887350][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.887403][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.887448][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6f440 [ 1327.887472][ T32] r4:00000000 [ 1327.887556][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.887609][ T32] r9:83018205 r8:845dec00 r7:00000000 r6:83018200 r5:00001000 r4:7f0af000 [ 1327.887679][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.887729][ T32] r5:00001000 r4:e8713000 [ 1327.887752][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.887794][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.887914][ T32] r5:84bbeb8c r4:84bbe800 [ 1327.888036][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.888157][ T32] r7:ddde2d80 r6:83018200 r5:84bbeb8c r4:84bed280 [ 1327.888187][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.888239][ T32] r10:61c88647 r9:845dec00 r8:84bed2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.888264][ T32] r4:84bed280 [ 1327.888285][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.888332][ T32] r10:00000000 r9:84bed280 r8:80287e08 r7:e46e1e60 r6:84bed300 r5:845dec00 [ 1327.888356][ T32] r4:00000001 [ 1327.888408][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.888453][ T32] Exception stack(0xe46edfb0 to 0xe46edff8) [ 1327.888522][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.888561][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.888627][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.888737][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.888861][ T32] r4:84b6f140 [ 1327.889202][ T32] INFO: task kworker/1:245:3784 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.889243][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.908770][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.908923][ T32] Call trace: [ 1327.908963][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.909032][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.909060][ T32] r4:00000000 [ 1327.909124][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.909178][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.909388][ T32] dd20: ac5e5000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.917854][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.917919][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.917967][ T32] r5:800d0013 r4:80239bb0 [ 1327.917995][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.918146][ T32] r4:82ac21e4 [ 1327.918176][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.918227][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.918255][ T32] r4:e044ddc0 [ 1327.918322][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.918448][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.918480][ T32] r4:00000000 [ 1327.918505][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.918576][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.918607][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.918662][ T32] r5:00001000 r4:dfe3d000 [ 1327.918760][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.918885][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.919000][ T32] r5:84a2438c r4:84a24000 [ 1327.919226][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.937461][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 4 printk messages dropped ** [ 1327.938358][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 4 printk messages dropped ** [ 1327.938761][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.945071][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1327.945713][ T32] r5:84bf8000 r4:8291a680 ** 5 printk messages dropped ** [ 1327.946162][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1327.946696][ T32] r9:83018205 r8:84bf8000 r7:00000000 r6:83018200 r5:00001000 r4:7f0b1000 ** 4 printk messages dropped ** [ 1327.947148][ T32] r5:84bbef8c r4:84bbec00 [ 1327.947205][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1327.947648][ T32] r4:84bed380 ** 3 printk messages dropped ** [ 1327.947936][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1327.961338][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1327.961915][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 8 printk messages dropped ** [ 1327.962652][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 8 printk messages dropped ** [ 1327.963474][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1327.964357][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1327.964952][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 3 printk messages dropped ** [ 1327.965377][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1327.965443][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.965503][ T32] task:kworker/1:247 state:D stack:0 pid:3788 tgid:3788 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.965657][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.965760][ T32] Call trace: [ 1327.965854][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1327.965964][ T32] r10:8291a684 r9:e8729d84 r8:00000002 r7:60000013 r6:e8729d8c r5:84bf8c00 [ 1327.966025][ T32] r4:84bf8c00 [ 1327.966073][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1327.966161][ T32] r5:84bf8c00 r4:8291a680 [ 1327.966226][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.966321][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.966420][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8729e08 [ 1327.966478][ T32] r4:00000000 [ 1327.966531][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1327.966623][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1327.966722][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.966842][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6f700 [ 1327.966904][ T32] r4:00000000 [ 1327.966965][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.967079][ T32] r9:83018205 r8:84bf8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 [ 1327.967134][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.967252][ T32] r5:00001000 r4:e872b000 [ 1327.967306][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.967427][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.967536][ T32] r5:84bbf38c r4:84bbf000 [ 1327.967590][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.967712][ T32] r7:ddde2d80 r6:83018200 r5:84bbf38c r4:84bed480 [ 1327.967788][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.967908][ T32] r10:61c88647 r9:84bf8c00 r8:84bed4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.967966][ T32] r4:84bed480 [ 1327.968040][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.968174][ T32] r10:00000000 r9:84bed480 r8:80287e08 r7:e8711e60 r6:84bed500 r5:84bf8c00 [ 1327.968240][ T32] r4:00000001 [ 1327.968309][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.968425][ T32] Exception stack(0xe8729fb0 to 0xe8729ff8) [ 1327.968538][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1327.968711][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.968768][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.968804][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1327.968828][ T32] r4:84b6f400 [ 1327.969388][ T32] INFO: task kworker/1:247:3788 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1327.996869][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.997057][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.997131][ T32] Call trace: [ 1327.997167][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1327.997231][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1327.997257][ T32] r4:00000000 [ 1327.997335][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.997388][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1327.997443][ T32] dd20: acd30000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1327.997568][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1327.997649][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1327.997703][ T32] r5:800d0013 r4:80239bb0 [ 1327.997749][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.997802][ T32] r4:82ac21e4 [ 1327.997865][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.997916][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1327.997952][ T32] r4:e044ddc0 [ 1327.998014][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1327.998083][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1327.998109][ T32] r4:00000000 [ 1327.998130][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1327.998178][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1327.998257][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1327.998337][ T32] r5:00001000 r4:dfe3d000 [ 1327.998467][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1327.998560][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.998617][ T32] r5:84a2438c r4:84a24000 [ 1327.998684][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1327.998798][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1327.998865][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1327.998978][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.999016][ T32] r4:84ab5800 [ 1327.999038][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1327.999089][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1327.999179][ T32] r4:00000001 [ 1327.999206][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.010921][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.011075][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.011170][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.011231][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.011317][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.011364][ T32] r4:84ab0640 [ 1328.011426][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.011555][ T32] INFO: task kworker/1:248:3790 blocked for more than 454 seconds. [ 1328.011690][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.011735][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.011772][ T32] task:kworker/1:248 state:D stack:0 pid:3790 tgid:3790 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.011894][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.012052][ T32] Call trace: [ 1328.012197][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.012277][ T32] r10:8291a684 r9:e871dd84 r8:00000002 r7:60000113 r6:e871dd8c r5:84bf9800 [ 1328.012380][ T32] r4:84bf9800 [ 1328.012412][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.012525][ T32] r5:84bf9800 r4:8291a680 [ 1328.012567][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.012633][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.012692][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e871de08 [ 1328.012905][ T32] r4:00000000 [ 1328.012932][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.013083][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.013157][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.013295][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6f940 [ 1328.013378][ T32] r4:00000000 [ 1328.013434][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.013547][ T32] r9:83018205 r8:84bf9800 r7:00000000 r6:83018200 r5:00001000 r4:7f0b5000 ** 4 printk messages dropped ** [ 1328.013833][ T32] r5:84bbf78c r4:84bbf400 [ 1328.013858][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1328.014096][ T32] r4:84bed580 ** 2 printk messages dropped ** [ 1328.014264][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1328.014445][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.015522][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1328.015916][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1328.016004][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1328.016231][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 8 printk messages dropped ** [ 1328.016675][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1328.016866][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.016908][ T32] r4:00000001 [ 1328.016932][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.016968][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.016995][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.017064][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.017095][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.017126][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.017149][ T32] r4:84ab0640 [ 1328.017175][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.017205][ T32] INFO: task kworker/1:249:3792 blocked for more than 454 seconds. [ 1328.017247][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.017275][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.017297][ T32] task:kworker/1:249 state:D stack:0 pid:3792 tgid:3792 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.017343][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.017454][ T32] Call trace: [ 1328.017564][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.017651][ T32] r10:8291a684 r9:e8735d84 r8:00000002 r7:60000113 r6:e8735d8c r5:84bfa400 [ 1328.017676][ T32] r4:84bfa400 [ 1328.017697][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.017756][ T32] r5:84bfa400 r4:8291a680 [ 1328.017780][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.017819][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.017909][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8735e08 [ 1328.017948][ T32] r4:00000000 [ 1328.017993][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.018033][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.018070][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.018111][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6fa40 [ 1328.018149][ T32] r4:00000000 [ 1328.018192][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.018247][ T32] r9:83018205 r8:84bfa400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b7000 [ 1328.018316][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.018373][ T32] r5:00001000 r4:e8747000 [ 1328.018397][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.018463][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.018522][ T32] r5:84bbfb8c r4:84bbf800 [ 1328.018568][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.018667][ T32] r7:ddde2d80 r6:83018200 r5:84bbfb8c r4:84bed680 [ 1328.018693][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.018743][ T32] r10:61c88647 r9:84bfa400 r8:84bed6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.018817][ T32] r4:84bed680 [ 1328.018931][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.018982][ T32] r10:00000000 r9:84bed680 r8:80287e08 r7:e871de60 r6:84bed700 r5:84bfa400 [ 1328.019047][ T32] r4:00000001 [ 1328.019071][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.019108][ T32] Exception stack(0xe8735fb0 to 0xe8735ff8) [ 1328.019134][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.019162][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.019191][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.019235][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.019339][ T32] r4:84b6f7c0 [ 1328.048279][ T32] INFO: task kworker/1:249:3792 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.048426][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.048569][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.048654][ T32] Call trace: [ 1328.048721][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.048797][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.048824][ T32] r4:00000000 [ 1328.048848][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.048938][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.048976][ T32] dd20: ad184000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.049012][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.049041][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.049069][ T32] r5:800d0013 r4:80239bb0 [ 1328.049149][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.049238][ T32] r4:82ac21e4 [ 1328.049364][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.054201][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.054277][ T32] r4:e044ddc0 [ 1328.054306][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.054388][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.054418][ T32] r4:00000000 [ 1328.054474][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.054616][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.054650][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.054733][ T32] r5:00001000 r4:dfe3d000 [ 1328.054788][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.054873][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.054936][ T32] r5:84a2438c r4:84a24000 [ 1328.054961][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.055016][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.055096][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.055163][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.055219][ T32] r4:84ab5800 [ 1328.055331][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.055453][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.055484][ T32] r4:00000001 [ 1328.055506][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.055566][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.055620][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.055682][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.055716][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.055748][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.055799][ T32] r4:84ab0640 [ 1328.055829][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.055892][ T32] INFO: task kworker/1:250:3795 blocked for more than 454 seconds. [ 1328.055949][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.056010][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.056044][ T32] task:kworker/1:250 state:D stack:0 pid:3795 tgid:3795 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.056131][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1328.056470][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 4 printk messages dropped ** [ 1328.056747][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1328.056842][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1328.057097][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.057255][ T32] r5:00001000 r4:e876b000 ** 1 printk messages dropped ** [ 1328.057318][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.057367][ T32] r5:84bcc78c r4:84bcc400 [ 1328.057391][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.057440][ T32] r7:ddde2d80 r6:83018200 r5:84bcc78c r4:84bed780 ** 3 printk messages dropped ** [ 1328.057718][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1328.058188][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1328.058846][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1328.079153][ T32] dd20: ad2fa000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 7 printk messages dropped ** [ 1328.080531][ T32] r4:e044ddc0 ** 2 printk messages dropped ** [ 1328.080708][ T32] r4:00000000 [ 1328.080744][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.080799][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.080862][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.080920][ T32] r5:00001000 r4:dfe3d000 [ 1328.080973][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.081064][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.081121][ T32] r5:84a2438c r4:84a24000 [ 1328.081145][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.081200][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.081278][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.081337][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.081393][ T32] r4:84ab5800 [ 1328.081425][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.081480][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.081532][ T32] r4:00000001 [ 1328.081623][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.081708][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.081769][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.081842][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.081881][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.081916][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.081941][ T32] r4:84ab0640 [ 1328.081967][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.082025][ T32] INFO: task kworker/1:251:3796 blocked for more than 454 seconds. [ 1328.082075][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.082103][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.082128][ T32] task:kworker/1:251 state:D stack:0 pid:3796 tgid:3796 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.082195][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.082259][ T32] Call trace: [ 1328.082307][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.082365][ T32] r10:8291a684 r9:e8751d84 r8:00000002 r7:60000013 r6:e8751d8c r5:84bfbc00 [ 1328.082392][ T32] r4:84bfbc00 [ 1328.082427][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.082506][ T32] r5:84bfbc00 r4:8291a680 [ 1328.082533][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.082623][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.082707][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8751e08 [ 1328.082736][ T32] r4:00000000 [ 1328.082757][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.082795][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.082868][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.082936][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6fb80 [ 1328.082994][ T32] r4:00000000 [ 1328.083108][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.083222][ T32] r9:83018205 r8:84bfbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b9000 [ 1328.083335][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.083426][ T32] r5:00001000 r4:e8753000 [ 1328.083471][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.083547][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.083620][ T32] r5:84bbff8c r4:84bbfc00 [ 1328.083687][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.083742][ T32] r7:ddde2d80 r6:83018200 r5:84bbff8c r4:84bed880 [ 1328.083766][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.083816][ T32] r10:61c88647 r9:84bfbc00 r8:84bed8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.083840][ T32] r4:84bed880 [ 1328.083865][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.083914][ T32] r10:00000000 r9:84bed880 r8:80287e08 r7:e8741e60 r6:84bed900 r5:84bfbc00 [ 1328.083938][ T32] r4:00000001 [ 1328.083959][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.083997][ T32] Exception stack(0xe8751fb0 to 0xe8751ff8) [ 1328.084055][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1328.084092][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.084121][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.084152][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.084176][ T32] r4:84b6fa00 [ 1328.084673][ T32] INFO: task kworker/1:251:3796 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.084718][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.084785][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.084920][ T32] Call trace: ** 1 printk messages dropped ** [ 1328.085075][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1328.085337][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 2 printk messages dropped ** [ 1328.085634][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1328.086034][ T32] r4:e044ddc0 ** 1 printk messages dropped ** [ 1328.086142][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 4 printk messages dropped ** [ 1328.086345][ T32] r5:00001000 r4:dfe3d000 [ 1328.086367][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.086426][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.086503][ T32] r5:84a2438c r4:84a24000 [ 1328.086574][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.086835][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.086866][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.086921][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.086945][ T32] r4:84ab5800 [ 1328.086986][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.087077][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.087134][ T32] r4:00000001 [ 1328.087332][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.087384][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.087430][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.087465][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.087494][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.087540][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.087617][ T32] r4:84ab0640 [ 1328.087654][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.087687][ T32] INFO: task kworker/1:252:3798 blocked for more than 454 seconds. [ 1328.087717][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.087775][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.087803][ T32] task:kworker/1:252 state:D stack:0 pid:3798 tgid:3798 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.087926][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.088010][ T32] Call trace: [ 1328.088137][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.088366][ T32] r10:8291a684 r9:e875dd84 r8:00000002 r7:60000113 r6:e875dd8c r5:84bfc800 [ 1328.088423][ T32] r4:84bfc800 [ 1328.088452][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.088542][ T32] r5:84bfc800 r4:8291a680 [ 1328.088577][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.088626][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.088673][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e875de08 [ 1328.088696][ T32] r4:00000000 [ 1328.088720][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.088773][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.088832][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.089009][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6fd40 [ 1328.089041][ T32] r4:00000000 [ 1328.089064][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.089111][ T32] r9:83018205 r8:84bfc800 r7:00000000 r6:83018200 r5:00001000 r4:7f0bb000 [ 1328.089200][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.107894][ T32] r5:00001000 r4:e875f000 [ 1328.108081][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.108159][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.108207][ T32] r5:84bcc38c r4:84bcc000 [ 1328.108282][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.108337][ T32] r7:ddde2d80 r6:83018200 r5:84bcc38c r4:84bed980 [ 1328.108427][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.108484][ T32] r10:61c88647 r9:84bfc800 r8:84bed9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.108596][ T32] r4:84bed980 [ 1328.108629][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.108682][ T32] r10:00000000 r9:84bed980 r8:80287e08 r7:e8741e60 r6:84beda00 r5:84bfc800 [ 1328.108707][ T32] r4:00000001 [ 1328.108728][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.108766][ T32] Exception stack(0xe875dfb0 to 0xe875dff8) [ 1328.108798][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.108909][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.108944][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.108977][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.109025][ T32] r4:84b6fc80 [ 1328.120470][ T32] INFO: task kworker/1:252:3798 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.120607][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.120921][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.121007][ T32] Call trace: [ 1328.121145][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.121215][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.121244][ T32] r4:00000000 [ 1328.121268][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.121342][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.121406][ T32] dd20: ad755000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.121444][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.121473][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.121500][ T32] r5:800d0013 r4:80239bb0 [ 1328.121524][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.121572][ T32] r4:82ac21e4 [ 1328.121615][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.121668][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.121759][ T32] r4:e044ddc0 [ 1328.121785][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.121839][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.121867][ T32] r4:00000000 [ 1328.121888][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.121938][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.122015][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.122066][ T32] r5:00001000 r4:dfe3d000 [ 1328.122088][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.122297][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.122348][ T32] r5:84a2438c r4:84a24000 [ 1328.122371][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.122423][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.122446][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.122497][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.122522][ T32] r4:84ab5800 [ 1328.122543][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.122622][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.122699][ T32] r4:00000001 [ 1328.122746][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.122819][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.122852][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1328.123084][ T32] INFO: task kworker/1:253:3800 blocked for more than 454 seconds. ** 7 printk messages dropped ** [ 1328.123484][ T32] r4:84bfd400 ** 3 printk messages dropped ** [ 1328.123666][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1328.124134][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1328.124568][ T32] r5:84bccf8c r4:84bccc00 [ 1328.124602][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.124664][ T32] r7:ddde2d80 r6:83018200 r5:84bccf8c r4:84beda80 [ 1328.124687][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.124735][ T32] r10:61c88647 r9:84bfd400 r8:84bedaac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.124774][ T32] r4:84beda80 [ 1328.124800][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.124848][ T32] r10:00000000 r9:84beda80 r8:80287e08 r7:e8741e60 r6:84bedb00 r5:84bfd400 [ 1328.124872][ T32] r4:00000001 [ 1328.124891][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.124958][ T32] Exception stack(0xe8769fb0 to 0xe8769ff8) [ 1328.124991][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.125023][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.125050][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.125080][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.125134][ T32] r4:84b6fcc0 [ 1328.125484][ T32] INFO: task kworker/1:253:3800 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.125521][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.125580][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.125633][ T32] Call trace: [ 1328.125665][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.125717][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.125742][ T32] r4:00000000 [ 1328.125761][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.125801][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.125830][ T32] dd20: ad755000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.125861][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.125887][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.125910][ T32] r5:800d0013 r4:80239bb0 [ 1328.125931][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.125973][ T32] r4:82ac21e4 [ 1328.125994][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.126039][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.126062][ T32] r4:e044ddc0 [ 1328.126083][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.126126][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.126150][ T32] r4:00000000 [ 1328.126185][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.126364][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.126397][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.126445][ T32] r5:00001000 r4:dfe3d000 [ 1328.126469][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.126513][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.126558][ T32] r5:84a2438c r4:84a24000 [ 1328.126578][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.126644][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.126671][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.126755][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.126784][ T32] r4:84ab5800 [ 1328.126805][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.126861][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.126887][ T32] r4:00000001 [ 1328.126920][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.126962][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.127003][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.127041][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.127070][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.127103][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.127126][ T32] r4:84ab0640 ** 1 printk messages dropped ** [ 1328.127175][ T32] INFO: task kworker/1:254:3802 blocked for more than 454 seconds. ** 8 printk messages dropped ** [ 1328.127617][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 7 printk messages dropped ** [ 1328.127969][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 6 printk messages dropped ** [ 1328.128239][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1328.128327][ T32] r5:84bccb8c r4:84bcc800 [ 1328.128364][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1328.128446][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1328.128569][ T32] r4:84bedb80 ** 2 printk messages dropped ** [ 1328.128699][ T32] r4:00000001 ** 1 printk messages dropped ** [ 1328.128767][ T32] Exception stack(0xe8775fb0 to 0xe8775ff8) ** 2 printk messages dropped ** [ 1328.128874][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1328.152879][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1328.153622][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1328.153996][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 5 printk messages dropped ** [ 1328.154494][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 8 printk messages dropped ** [ 1328.154876][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1328.155085][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.155116][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.155144][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.155176][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.155200][ T32] r4:84ab0640 [ 1328.155225][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.155259][ T32] INFO: task kworker/1:255:3805 blocked for more than 454 seconds. [ 1328.155296][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.155324][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.155347][ T32] task:kworker/1:255 state:D stack:0 pid:3805 tgid:3805 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.155420][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.155647][ T32] Call trace: [ 1328.155962][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.156018][ T32] r10:8291a684 r9:ea785d84 r8:00000002 r7:60000013 r6:ea785d8c r5:84bfec00 [ 1328.156043][ T32] r4:84bfec00 [ 1328.156065][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.156110][ T32] r5:84bfec00 r4:8291a680 [ 1328.156131][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.156172][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.156246][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea785e08 [ 1328.156277][ T32] r4:00000000 [ 1328.156299][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.156337][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.156377][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.156421][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85075100 [ 1328.156446][ T32] r4:00000000 [ 1328.156467][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.156592][ T32] r9:83018205 r8:84bfec00 r7:00000000 r6:83018200 r5:00001000 r4:7f0c3000 [ 1328.156632][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.156682][ T32] r5:00001000 r4:ea793000 [ 1328.156804][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.156856][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.156930][ T32] r5:84bcd38c r4:84bcd000 [ 1328.156956][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.157010][ T32] r7:ddde2d80 r6:83018200 r5:84bcd38c r4:84bedc80 [ 1328.157034][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.157083][ T32] r10:61c88647 r9:84bfec00 r8:84bedcac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.157108][ T32] r4:84bedc80 [ 1328.157129][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.157246][ T32] r10:00000000 r9:84bedc80 r8:80287e08 r7:e8769e60 r6:84bedd00 r5:84bfec00 [ 1328.157276][ T32] r4:00000001 [ 1328.157298][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.157338][ T32] Exception stack(0xea785fb0 to 0xea785ff8) [ 1328.157374][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.157421][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.157457][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.157545][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.157606][ T32] r4:85075040 [ 1328.158179][ T32] INFO: task kworker/1:255:3805 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.158228][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.158360][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.158429][ T32] Call trace: [ 1328.158532][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.158596][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.158718][ T32] r4:00000000 [ 1328.158746][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.158791][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.158821][ T32] dd20: ad9c4000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.158855][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.158884][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.158909][ T32] r5:800d0013 r4:80239bb0 [ 1328.158957][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.159035][ T32] r4:82ac21e4 [ 1328.159062][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.159129][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.159336][ T32] r4:e044ddc0 [ 1328.180190][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.180306][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.180369][ T32] r4:00000000 [ 1328.180533][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.180622][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.180653][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.180708][ T32] r5:00001000 r4:dfe3d000 [ 1328.180731][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.180775][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.180871][ T32] r5:84a2438c r4:84a24000 [ 1328.180909][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.180993][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.181036][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.181092][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.181151][ T32] r4:84ab5800 [ 1328.181179][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.181232][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.181359][ T32] r4:00000001 [ 1328.181479][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.181526][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.181691][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.181732][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1328.182172][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 5 printk messages dropped ** [ 1328.182743][ T32] r10:8291a684 r9:ea791d84 r8:00000002 r7:60000013 r6:ea791d8c r5:85000000 [ 1328.182849][ T32] r4:85000000 [ 1328.182952][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.183011][ T32] r5:85000000 r4:8291a680 [ 1328.183051][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.183252][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.183304][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea791e08 [ 1328.183373][ T32] r4:00000000 [ 1328.183431][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.183578][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.183632][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.183686][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85075500 [ 1328.183713][ T32] r4:00000000 [ 1328.183794][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.183849][ T32] r9:83018205 r8:85000000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c7000 [ 1328.183873][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.183919][ T32] r5:00001000 r4:ea7ab000 [ 1328.183941][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.183982][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.184027][ T32] r5:84bcdb8c r4:84bcd800 [ 1328.184288][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.184344][ T32] r7:ddde2d80 r6:83018200 r5:84bcdb8c r4:84bedd80 [ 1328.184370][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.184492][ T32] r10:61c88647 r9:85000000 r8:84beddac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.184556][ T32] r4:84bedd80 [ 1328.184617][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.184673][ T32] r10:00000000 r9:84bedd80 r8:80287e08 r7:ea785e60 r6:84bede00 r5:85000000 [ 1328.184727][ T32] r4:00000001 [ 1328.184942][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.184988][ T32] Exception stack(0xea791fb0 to 0xea791ff8) [ 1328.185021][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1328.185112][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.185174][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.185210][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.185264][ T32] r4:85075040 [ 1328.185732][ T32] INFO: task kworker/1:256:3806 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.185774][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.185950][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.186078][ T32] Call trace: [ 1328.186205][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.186270][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.186340][ T32] r4:00000000 [ 1328.186367][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.186411][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.186443][ T32] dd20: adcb1000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.186475][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.186502][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.186528][ T32] r5:800d0013 r4:80239bb0 [ 1328.186746][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.186800][ T32] r4:82ac21e4 [ 1328.186823][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.186871][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.186956][ T32] r4:e044ddc0 [ 1328.187026][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.187083][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.187165][ T32] r4:00000000 [ 1328.187265][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.187321][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.187344][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.187449][ T32] r5:00001000 r4:dfe3d000 [ 1328.187574][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.187631][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.187681][ T32] r5:84a2438c r4:84a24000 [ 1328.187705][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.187755][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.187780][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.187847][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.187882][ T32] r4:84ab5800 [ 1328.187942][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.187999][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.188026][ T32] r4:00000001 [ 1328.188047][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.188088][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.188116][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.188147][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.188176][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.188353][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.188387][ T32] r4:84ab0640 [ 1328.188410][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.188470][ T32] INFO: task kworker/1:257:3807 blocked for more than 454 seconds. [ 1328.188531][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.188570][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 3 printk messages dropped ** [ 1328.188959][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 6 printk messages dropped ** [ 1328.216558][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea79de08 ** 6 printk messages dropped ** [ 1328.216854][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1328.217141][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.217200][ T32] r5:84bcd78c r4:84bcd400 [ 1328.217257][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 4 printk messages dropped ** [ 1328.217561][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1328.217965][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1328.218887][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.219084][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 6 printk messages dropped ** [ 1328.233497][ T32] r4:e044ddc0 [ 1328.233557][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.233687][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.233778][ T32] r4:00000000 [ 1328.233844][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.233942][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.233973][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.234024][ T32] r5:00001000 r4:dfe3d000 [ 1328.234070][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.234140][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.234208][ T32] r5:84a2438c r4:84a24000 [ 1328.234255][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.234334][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.234361][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.234443][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.234496][ T32] r4:84ab5800 [ 1328.234521][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.234594][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.234622][ T32] r4:00000001 [ 1328.234666][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.234738][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.234781][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.234813][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.234842][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.234873][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.234919][ T32] r4:84ab0640 [ 1328.234970][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.235045][ T32] INFO: task kworker/1:258:3811 blocked for more than 454 seconds. [ 1328.235124][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.235178][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.235206][ T32] task:kworker/1:258 state:D stack:0 pid:3811 tgid:3811 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.235295][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.235391][ T32] Call trace: [ 1328.235474][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.235534][ T32] r10:8291a684 r9:ea7a9d84 r8:00000002 r7:60000113 r6:ea7a9d8c r5:85001800 [ 1328.235559][ T32] r4:85001800 [ 1328.235605][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.235683][ T32] r5:85001800 r4:8291a680 [ 1328.235711][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.235778][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.235827][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7a9e08 [ 1328.235851][ T32] r4:00000000 [ 1328.235871][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.235908][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.235942][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.236029][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85075640 [ 1328.236067][ T32] r4:00000000 [ 1328.236114][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.236165][ T32] r9:83018205 r8:85001800 r7:00000000 r6:83018200 r5:00001000 r4:7f0c9000 [ 1328.236188][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.236255][ T32] r5:00001000 r4:ea7b7000 [ 1328.236302][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.236347][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.236392][ T32] r5:84bcdf8c r4:84bcdc00 [ 1328.236419][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.236467][ T32] r7:ddde2d80 r6:83018200 r5:84bcdf8c r4:84bedf80 [ 1328.236488][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.236609][ T32] r10:61c88647 r9:85001800 r8:84bedfac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.236639][ T32] r4:84bedf80 [ 1328.236686][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.236807][ T32] r10:00000000 r9:84bedf80 r8:80287e08 r7:ea791e60 r6:8507d000 r5:85001800 [ 1328.236836][ T32] r4:00000001 [ 1328.236859][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.236908][ T32] Exception stack(0xea7a9fb0 to 0xea7a9ff8) [ 1328.236940][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.236992][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.237024][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.237054][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.237078][ T32] r4:85075680 [ 1328.237535][ T32] INFO: task kworker/1:258:3811 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.237595][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.237690][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.237789][ T32] Call trace: [ 1328.237874][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.237953][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.237982][ T32] r4:00000000 [ 1328.238046][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.238115][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.238148][ T32] dd20: ae39c000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.238213][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.238243][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.238323][ T32] r5:800d0013 r4:80239bb0 [ 1328.238375][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.238430][ T32] r4:82ac21e4 [ 1328.238475][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.238540][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.238590][ T32] r4:e044ddc0 [ 1328.238638][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.238688][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.238713][ T32] r4:00000000 [ 1328.238746][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.238821][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.238875][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.238925][ T32] r5:00001000 r4:dfe3d000 [ 1328.238970][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.239043][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.239093][ T32] r5:84a2438c r4:84a24000 ** 1 printk messages dropped ** [ 1328.239165][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 2 printk messages dropped ** [ 1328.246713][ T32] r4:84ab5800 ** 1 printk messages dropped ** [ 1328.246809][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1328.247137][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1328.247419][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1328.247781][ T32] r5:85002400 r4:8291a680 ** 3 printk messages dropped ** [ 1328.248023][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.248196][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85075740 ** 6 printk messages dropped ** [ 1328.248613][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.248666][ T32] r5:84bce38c r4:84bce000 [ 1328.248711][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.248766][ T32] r7:ddde2d80 r6:83018200 r5:84bce38c r4:8507d080 [ 1328.248790][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.248841][ T32] r10:61c88647 r9:85002400 r8:8507d0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.248864][ T32] r4:8507d080 [ 1328.248886][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.248956][ T32] r10:00000000 r9:8507d080 r8:80287e08 r7:ea7a9e60 r6:8507d100 r5:85002400 [ 1328.248984][ T32] r4:00000001 [ 1328.249005][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.249068][ T32] Exception stack(0xea7cdfb0 to 0xea7cdff8) [ 1328.249106][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.249137][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.249182][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.263667][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.263857][ T32] r4:850754c0 [ 1328.264529][ T32] INFO: task kworker/1:259:3814 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.264591][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.264684][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.264848][ T32] Call trace: [ 1328.264892][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.264958][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.265005][ T32] r4:00000000 [ 1328.265032][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.265131][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.265170][ T32] dd20: ae746000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.265254][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.265288][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.265341][ T32] r5:800d0013 r4:80239bb0 [ 1328.265368][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.265423][ T32] r4:82ac21e4 [ 1328.265445][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.265511][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.265541][ T32] r4:e044ddc0 [ 1328.265563][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.265609][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.265633][ T32] r4:00000000 [ 1328.265654][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.265704][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.265822][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.265881][ T32] r5:00001000 r4:dfe3d000 [ 1328.265931][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.266004][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.266057][ T32] r5:84a2438c r4:84a24000 [ 1328.266081][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.266132][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.266221][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.266278][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.266303][ T32] r4:84ab5800 [ 1328.266324][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.266374][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.266409][ T32] r4:00000001 [ 1328.266430][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.266486][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.266611][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.266648][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1328.266826][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 5 printk messages dropped ** [ 1328.267212][ T32] r10:8291a684 r9:ea7d9d84 r8:00000002 r7:60000013 r6:ea7d9d8c r5:85003000 ** 8 printk messages dropped ** [ 1328.267511][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1328.267921][ T32] r5:00001000 r4:ea7cf000 ** 1 printk messages dropped ** [ 1328.267985][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.268032][ T32] r5:84bce78c r4:84bce400 ** 2 printk messages dropped ** [ 1328.268122][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1328.268529][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1328.268930][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1328.281600][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.281843][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1328.282140][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 7 printk messages dropped ** [ 1328.282709][ T32] r5:84a2438c r4:84a24000 ** 5 printk messages dropped ** [ 1328.282904][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1328.283175][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.283577][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1328.283871][ T32] r5:85004800 r4:8291a680 ** 3 printk messages dropped ** [ 1328.284004][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1328.284098][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1328.284409][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1328.284588][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.284634][ T32] r5:84bceb8c r4:84bce800 [ 1328.284682][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.284742][ T32] r7:ddde2d80 r6:83018200 r5:84bceb8c r4:8507d280 [ 1328.284765][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.284816][ T32] r10:61c88647 r9:85004800 r8:8507d2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.284842][ T32] r4:8507d280 [ 1328.284877][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.284962][ T32] r10:00000000 r9:8507d280 r8:80287e08 r7:ea7d9e60 r6:8507d300 r5:85004800 [ 1328.284993][ T32] r4:00000001 [ 1328.285015][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.285057][ T32] Exception stack(0xea7b5fb0 to 0xea7b5ff8) [ 1328.285136][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.285200][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.285234][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.285266][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.285290][ T32] r4:85075880 [ 1328.285709][ T32] INFO: task kworker/1:261:3818 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.285757][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.285844][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.285897][ T32] Call trace: [ 1328.285930][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.286002][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.286032][ T32] r4:00000000 [ 1328.286054][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.286097][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.286127][ T32] dd20: ae746000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.286159][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.286188][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.286214][ T32] r5:800d0013 r4:80239bb0 [ 1328.286236][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.286280][ T32] r4:82ac21e4 [ 1328.286302][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.286348][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.286372][ T32] r4:e044ddc0 [ 1328.286400][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.286471][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.286503][ T32] r4:00000000 [ 1328.286525][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.286604][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.286633][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.286685][ T32] r5:00001000 r4:dfe3d000 [ 1328.286708][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.286844][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.286902][ T32] r5:84a2438c r4:84a24000 [ 1328.286925][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.286976][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.287132][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.287188][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.287213][ T32] r4:84ab5800 [ 1328.287235][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.287286][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.287326][ T32] r4:00000001 [ 1328.287377][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.287427][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.287458][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.287530][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.287597][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.287634][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.287665][ T32] r4:84ab0640 [ 1328.287702][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.287737][ T32] INFO: task kworker/1:262:3819 blocked for more than 454 seconds. [ 1328.287767][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.287792][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.287814][ T32] task:kworker/1:262 state:D stack:0 pid:3819 tgid:3819 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.287885][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.287932][ T32] Call trace: [ 1328.287964][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.288017][ T32] r10:8291a684 r9:ea7f9d84 r8:00000002 r7:60000013 r6:ea7f9d8c r5:85005400 [ 1328.288042][ T32] r4:85005400 [ 1328.288065][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.288111][ T32] r5:85005400 r4:8291a680 [ 1328.288132][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.288175][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.288221][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7f9e08 [ 1328.288312][ T32] r4:00000000 [ 1328.288339][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.288402][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.288541][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.288610][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85075bc0 [ 1328.288658][ T32] r4:00000000 [ 1328.288687][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.288739][ T32] r9:83018205 r8:85005400 r7:00000000 r6:83018200 r5:00001000 r4:7f0d1000 [ 1328.288777][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.288828][ T32] r5:00001000 r4:ea7e7000 [ 1328.288850][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.288911][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.289014][ T32] r5:84bcef8c r4:84bcec00 [ 1328.289040][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.289093][ T32] r7:ddde2d80 r6:83018200 r5:84bcef8c r4:8507d380 [ 1328.289115][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.289212][ T32] r10:61c88647 r9:85005400 r8:8507d3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.289271][ T32] r4:8507d380 [ 1328.289356][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.312451][ T32] r10:00000000 r9:8507d380 r8:80287e08 r7:ea7b5e60 r6:8507d400 r5:85005400 [ 1328.312545][ T32] r4:00000001 [ 1328.312577][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.312657][ T32] Exception stack(0xea7f9fb0 to 0xea7f9ff8) [ 1328.312694][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.312744][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.312784][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.312820][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.312857][ T32] r4:85075cc0 [ 1328.313350][ T32] INFO: task kworker/1:262:3819 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.313413][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.313515][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.313597][ T32] Call trace: [ 1328.313637][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.313729][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.313779][ T32] r4:00000000 [ 1328.313833][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.313909][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.313947][ T32] dd20: aeae3000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.313979][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.314006][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.314033][ T32] r5:800d0013 r4:80239bb0 [ 1328.314055][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.314101][ T32] r4:82ac21e4 [ 1328.314144][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.314238][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.314265][ T32] r4:e044ddc0 [ 1328.314289][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.314357][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.314400][ T32] r4:00000000 [ 1328.314445][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.314501][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.314633][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.314697][ T32] r5:00001000 r4:dfe3d000 [ 1328.314721][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.314767][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.314813][ T32] r5:84a2438c r4:84a24000 [ 1328.314837][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.314890][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.314912][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.314961][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.314985][ T32] r4:84ab5800 [ 1328.315006][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.315069][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.315123][ T32] r4:00000001 [ 1328.315166][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.315270][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.315334][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.315403][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.315443][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.315494][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.315524][ T32] r4:84ab0640 [ 1328.315548][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.315583][ T32] INFO: task kworker/1:263:3821 blocked for more than 454 seconds. [ 1328.315621][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.315678][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.315741][ T32] task:kworker/1:263 state:D stack:0 pid:3821 tgid:3821 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.315806][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.315880][ T32] Call trace: [ 1328.315938][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.315999][ T32] r10:8291a684 r9:ea7fdd84 r8:00000002 r7:60000013 r6:ea7fdd8c r5:85006c00 [ 1328.316032][ T32] r4:85006c00 [ 1328.316057][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.316104][ T32] r5:85006c00 r4:8291a680 [ 1328.316125][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.316168][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.316212][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7fde08 [ 1328.316251][ T32] r4:00000000 [ 1328.316329][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.316373][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.316419][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.316463][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85075d80 [ 1328.316547][ T32] r4:00000000 [ 1328.316581][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.316634][ T32] r9:83018205 r8:85006c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0d3000 [ 1328.316664][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.316710][ T32] r5:00001000 r4:ea7ef000 [ 1328.316749][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.316798][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.316859][ T32] r5:84bcf38c r4:84bcf000 [ 1328.316889][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.316941][ T32] r7:ddde2d80 r6:83018200 r5:84bcf38c r4:8507d480 [ 1328.316965][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 2 printk messages dropped ** [ 1328.317094][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1328.317825][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.317892][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.317965][ T32] Call trace: [ 1328.318043][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.318121][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.318153][ T32] r4:00000000 [ 1328.318174][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.318217][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.318247][ T32] dd20: aeae3000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.318278][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.318330][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.318356][ T32] r5:800d0013 r4:80239bb0 [ 1328.318464][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.318518][ T32] r4:82ac21e4 [ 1328.318579][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.318632][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.318664][ T32] r4:e044ddc0 [ 1328.318685][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.318731][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.318757][ T32] r4:00000000 [ 1328.318777][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.318825][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.318847][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.318894][ T32] r5:00001000 r4:dfe3d000 [ 1328.318916][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.318959][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.319018][ T32] r5:84a2438c r4:84a24000 [ 1328.319046][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.319130][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.319174][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.319227][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.319268][ T32] r4:84ab5800 [ 1328.319372][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.340388][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.340469][ T32] r4:00000001 [ 1328.340543][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.340771][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.340870][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.340945][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.340983][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.341016][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.341072][ T32] r4:84ab0640 [ 1328.341130][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.341191][ T32] INFO: task kworker/1:264:3822 blocked for more than 454 seconds. [ 1328.341256][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.341292][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.341318][ T32] task:kworker/1:264 state:D stack:0 pid:3822 tgid:3822 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.341414][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.341473][ T32] Call trace: [ 1328.341526][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.341592][ T32] r10:8291a684 r9:e0535d84 r8:00000002 r7:60000013 r6:e0535d8c r5:85003c00 [ 1328.341619][ T32] r4:85003c00 [ 1328.341644][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.341697][ T32] r5:85003c00 r4:8291a680 [ 1328.341722][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.341765][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.341825][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0535e08 [ 1328.341880][ T32] r4:00000000 [ 1328.341908][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.341950][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.342095][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.342154][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850810c0 [ 1328.342180][ T32] r4:00000000 [ 1328.342203][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.342307][ T32] r9:83018205 r8:85003c00 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 [ 1328.342337][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.342385][ T32] r5:00001000 r4:df911000 [ 1328.342418][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.342477][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.342528][ T32] r5:84bcf78c r4:84bcf400 [ 1328.342552][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.342899][ T32] r7:ddde2d80 r6:83018200 r5:84bcf78c r4:8507d580 [ 1328.342953][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.343048][ T32] r10:61c88647 r9:85003c00 r8:8507d5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.343123][ T32] r4:8507d580 [ 1328.343177][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.343240][ T32] r10:00000000 r9:8507d580 r8:80287e08 r7:ea7fde60 r6:8507d600 r5:85003c00 [ 1328.343307][ T32] r4:00000001 [ 1328.343336][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.343378][ T32] Exception stack(0xe0535fb0 to 0xe0535ff8) [ 1328.343420][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.343453][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.343481][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.343511][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.343534][ T32] r4:85075b00 [ 1328.344030][ T32] INFO: task kworker/1:264:3822 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.344085][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.344155][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.344204][ T32] Call trace: [ 1328.344236][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.344292][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.344317][ T32] r4:00000000 [ 1328.344338][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.344402][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.344477][ T32] dd20: aed72000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.344566][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.344598][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.344627][ T32] r5:800d0013 r4:80239bb0 [ 1328.344653][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.344702][ T32] r4:82ac21e4 [ 1328.344724][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.344770][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.344795][ T32] r4:e044ddc0 [ 1328.344816][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.344874][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.344908][ T32] r4:00000000 [ 1328.344929][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.344980][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.345002][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.345048][ T32] r5:00001000 r4:dfe3d000 [ 1328.345071][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.345113][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.345157][ T32] r5:84a2438c r4:84a24000 [ 1328.345177][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.345304][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.345333][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.345386][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.345511][ T32] r4:84ab5800 [ 1328.345562][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.345659][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.345719][ T32] r4:00000001 [ 1328.345743][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.345784][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.345812][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.345842][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.345870][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.345915][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.345945][ T32] r4:84ab0640 [ 1328.345966][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.345994][ T32] INFO: task kworker/1:265:3824 blocked for more than 454 seconds. [ 1328.346023][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.346048][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.346071][ T32] task:kworker/1:265 state:D stack:0 pid:3824 tgid:3824 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.346122][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.346165][ T32] Call trace: [ 1328.346197][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.346247][ T32] r10:8291a684 r9:e0545d84 r8:00000002 r7:60000113 r6:e0545d8c r5:85008c00 [ 1328.346272][ T32] r4:85008c00 [ 1328.346294][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.346352][ T32] r5:85008c00 r4:8291a680 [ 1328.346421][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.346470][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.346517][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0545e08 [ 1328.346594][ T32] r4:00000000 [ 1328.346649][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.346715][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.346756][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.346815][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85081500 [ 1328.346844][ T32] r4:00000000 [ 1328.346880][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.346936][ T32] r9:83018205 r8:85008c00 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1328.346959][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.347004][ T32] r5:00001000 r4:dfb8f000 [ 1328.347110][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.347156][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.347204][ T32] r5:84bcfb8c r4:84bcf800 [ 1328.347225][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.347273][ T32] r7:ddde2d80 r6:83018200 r5:84bcfb8c r4:8507d680 [ 1328.347297][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.347353][ T32] r10:61c88647 r9:85008c00 r8:8507d6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.347378][ T32] r4:8507d680 [ 1328.347406][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.347536][ T32] r10:00000000 r9:8507d680 r8:80287e08 r7:e0535e60 r6:8507d700 r5:85008c00 [ 1328.347601][ T32] r4:00000001 [ 1328.347651][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.347699][ T32] Exception stack(0xe0545fb0 to 0xe0545ff8) [ 1328.347728][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.347761][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.347790][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.347821][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.347873][ T32] r4:85081100 [ 1328.348181][ T32] INFO: task kworker/1:265:3824 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.348253][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.348399][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.348450][ T32] Call trace: [ 1328.348483][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.348581][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.348608][ T32] r4:00000000 [ 1328.348629][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.348761][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.348881][ T32] dd20: aed72000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.348920][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.348950][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.349030][ T32] r5:800d0013 r4:80239bb0 [ 1328.349097][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.349313][ T32] r4:82ac21e4 [ 1328.377503][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 9 printk messages dropped ** [ 1328.378017][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1328.378514][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1328.379096][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1328.393733][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1328.394083][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 5 printk messages dropped ** [ 1328.394359][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.394406][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850817c0 [ 1328.394430][ T32] r4:00000000 [ 1328.394451][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.394504][ T32] r9:83018205 r8:84add400 r7:00000000 r6:83018200 r5:00001000 r4:7f06b000 [ 1328.394529][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.394586][ T32] r5:00001000 r4:dfc0f000 [ 1328.394609][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.394653][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.394700][ T32] r5:84bd838c r4:84bd8000 [ 1328.394723][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.394775][ T32] r7:ddde2d80 r6:83018200 r5:84bd838c r4:8507d780 [ 1328.394798][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.394849][ T32] r10:61c88647 r9:84add400 r8:8507d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.394873][ T32] r4:8507d780 [ 1328.394895][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.394945][ T32] r10:00000000 r9:8507d780 r8:80287e08 r7:e0545e60 r6:84b49b00 r5:84add400 [ 1328.394996][ T32] r4:00000001 [ 1328.395028][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.395074][ T32] Exception stack(0xea7e5fb0 to 0xea7e5ff8) [ 1328.395105][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.395136][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.395181][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.395218][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.395243][ T32] r4:850812c0 [ 1328.395719][ T32] INFO: task kworker/1:266:3827 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.395773][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.395843][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.395917][ T32] Call trace: [ 1328.395981][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.396043][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.396069][ T32] r4:00000000 [ 1328.396090][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.396135][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.396193][ T32] dd20: af3fd000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.396254][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.396286][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.396312][ T32] r5:800d0013 r4:80239bb0 [ 1328.396336][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.396399][ T32] r4:82ac21e4 [ 1328.396426][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.396535][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.396583][ T32] r4:e044ddc0 [ 1328.396607][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.396655][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.396680][ T32] r4:00000000 [ 1328.396701][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.396754][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.396779][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.396852][ T32] r5:00001000 r4:dfe3d000 [ 1328.396908][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.396975][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.397026][ T32] r5:84a2438c r4:84a24000 [ 1328.397052][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.397104][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.397127][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.397203][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.397234][ T32] r4:84ab5800 [ 1328.397255][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.397312][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.397340][ T32] r4:00000001 [ 1328.397375][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1328.397624][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1328.397902][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1328.398335][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 11 printk messages dropped ** [ 1328.398825][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1328.398987][ T32] r7:ddde2d80 r6:83018200 r5:84bcff8c r4:8507d800 ** 4 printk messages dropped ** [ 1328.399159][ T32] r10:00000000 r9:8507d800 r8:80287e08 r7:ea7e5e60 r6:84b49b80 r5:84ad8c00 ** 9 printk messages dropped ** [ 1328.412155][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1328.413169][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 5 printk messages dropped ** [ 1328.413466][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 4 printk messages dropped ** [ 1328.413653][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1328.413984][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.414032][ T32] r5:84a2438c r4:84a24000 [ 1328.414054][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.414109][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.414133][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.414214][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.414244][ T32] r4:84ab5800 [ 1328.414269][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.414322][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.414347][ T32] r4:00000001 [ 1328.414478][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.414523][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.414586][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.414714][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.414915][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.414953][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.414978][ T32] r4:84ab0640 [ 1328.415111][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.415225][ T32] INFO: task kworker/1:268:3831 blocked for more than 454 seconds. [ 1328.415310][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.415401][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.415429][ T32] task:kworker/1:268 state:D stack:0 pid:3831 tgid:3831 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.415587][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.415636][ T32] Call trace: [ 1328.415678][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.415733][ T32] r10:8291a684 r9:e0581d84 r8:00000002 r7:60000113 r6:e0581d8c r5:84adbc00 [ 1328.415759][ T32] r4:84adbc00 [ 1328.415782][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.415827][ T32] r5:84adbc00 r4:8291a680 [ 1328.415849][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.415898][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.415946][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0581e08 [ 1328.415971][ T32] r4:00000000 [ 1328.415991][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.416080][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.416124][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.416170][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85081800 [ 1328.416194][ T32] r4:00000000 [ 1328.416214][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.416262][ T32] r9:83018205 r8:84adbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f077000 [ 1328.416287][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.416332][ T32] r5:00001000 r4:dfd7b000 [ 1328.416433][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.416482][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.416615][ T32] r5:84bd9b8c r4:84bd9800 [ 1328.416644][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.416756][ T32] r7:ddde2d80 r6:83018200 r5:84bd9b8c r4:8507d880 [ 1328.416784][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.416879][ T32] r10:61c88647 r9:84adbc00 r8:8507d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.416937][ T32] r4:8507d880 [ 1328.416962][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.417046][ T32] r10:00000000 r9:8507d880 r8:80287e08 r7:ea7e5e60 r6:84b49c00 r5:84adbc00 [ 1328.417224][ T32] r4:00000001 [ 1328.417250][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.417294][ T32] Exception stack(0xe0581fb0 to 0xe0581ff8) [ 1328.417351][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1328.417388][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.417446][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.417481][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.417511][ T32] r4:850815c0 [ 1328.417802][ T32] INFO: task kworker/1:268:3831 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.417842][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.417984][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.418247][ T32] Call trace: [ 1328.418393][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.418456][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.418481][ T32] r4:00000000 [ 1328.418502][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.418561][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.418598][ T32] dd20: af3fd000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.418633][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.418687][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.418717][ T32] r5:800d0013 r4:80239bb0 [ 1328.418740][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.418798][ T32] r4:82ac21e4 [ 1328.418851][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.418903][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.418931][ T32] r4:e044ddc0 [ 1328.418953][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.418999][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.419042][ T32] r4:00000000 [ 1328.419068][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.419119][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.419143][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.419188][ T32] r5:00001000 r4:dfe3d000 [ 1328.419211][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.419340][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.442073][ T32] r5:84a2438c r4:84a24000 [ 1328.442129][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.442213][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.442238][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.442294][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.442322][ T32] r4:84ab5800 [ 1328.442345][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.442397][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.442422][ T32] r4:00000001 [ 1328.442444][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.442486][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.442518][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.442558][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.442591][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.442624][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.442647][ T32] r4:84ab0640 [ 1328.442692][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.442746][ T32] INFO: task kworker/1:269:3833 blocked for more than 454 seconds. [ 1328.442795][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.442825][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.442851][ T32] task:kworker/1:269 state:D stack:0 pid:3833 tgid:3833 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.442919][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.442998][ T32] Call trace: [ 1328.443047][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.443283][ T32] r10:8291a684 r9:e0599d84 r8:00000002 r7:60000113 r6:e0599d8c r5:84adc800 [ 1328.443346][ T32] r4:84adc800 [ 1328.443379][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.443431][ T32] r5:84adc800 r4:8291a680 [ 1328.443481][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.443532][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.443587][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0599e08 [ 1328.443613][ T32] r4:00000000 [ 1328.443634][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.443672][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.443714][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.443758][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85081900 [ 1328.443782][ T32] r4:00000000 [ 1328.443850][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.443908][ T32] r9:83018205 r8:84adc800 r7:00000000 r6:83018200 r5:00001000 r4:7f06d000 [ 1328.443935][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.443982][ T32] r5:00001000 r4:dfc2d000 [ 1328.444031][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.444080][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.444128][ T32] r5:84bd878c r4:84bd8400 [ 1328.444150][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.444199][ T32] r7:ddde2d80 r6:83018200 r5:84bd878c r4:8507d900 [ 1328.444222][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.444272][ T32] r10:61c88647 r9:84adc800 r8:8507d92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.444298][ T32] r4:8507d900 [ 1328.444318][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.444366][ T32] r10:00000000 r9:8507d900 r8:80287e08 r7:e0581e60 r6:84b49c80 r5:84adc800 [ 1328.444390][ T32] r4:00000001 [ 1328.444436][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.444482][ T32] Exception stack(0xe0599fb0 to 0xe0599ff8) [ 1328.444531][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.444577][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.444607][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.444639][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.444721][ T32] r4:85081300 [ 1328.445183][ T32] INFO: task kworker/1:269:3833 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.445223][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.445286][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.445348][ T32] Call trace: [ 1328.445426][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.445483][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.445509][ T32] r4:00000000 [ 1328.445530][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.445581][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.445611][ T32] dd20: af6d8000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.445646][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.445675][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.445702][ T32] r5:800d0013 r4:80239bb0 [ 1328.445764][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.445816][ T32] r4:82ac21e4 [ 1328.445839][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.445885][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.445928][ T32] r4:e044ddc0 [ 1328.445983][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.446035][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.446090][ T32] r4:00000000 [ 1328.446117][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.446199][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.446253][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.446350][ T32] r5:00001000 r4:dfe3d000 [ 1328.446425][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1328.446667][ T32] r5:84a2438c r4:84a24000 ** 3 printk messages dropped ** [ 1328.446984][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1328.447300][ T32] r4:00000001 [ 1328.447352][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.447438][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.447503][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.447602][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.447672][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.447761][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.447840][ T32] r4:84ab0640 [ 1328.447879][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.447914][ T32] INFO: task kworker/1:270:3834 blocked for more than 454 seconds. [ 1328.447947][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.447979][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.448006][ T32] task:kworker/1:270 state:D stack:0 pid:3834 tgid:3834 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.448061][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.448138][ T32] Call trace: [ 1328.448207][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.448288][ T32] r10:8291a684 r9:e05a5d84 r8:00000002 r7:60000013 r6:e05a5d8c r5:8500a400 [ 1328.448421][ T32] r4:8500a400 [ 1328.448448][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.448522][ T32] r5:8500a400 r4:8291a680 [ 1328.448562][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.448637][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.448690][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e05a5e08 [ 1328.448715][ T32] r4:00000000 [ 1328.448767][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.448810][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.448848][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.448891][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85081c40 [ 1328.448929][ T32] r4:00000000 [ 1328.448956][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.449034][ T32] r9:83018205 r8:8500a400 r7:00000000 r6:83018200 r5:00001000 r4:7f071000 [ 1328.449146][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.449253][ T32] r5:00001000 r4:dfc9d000 [ 1328.449301][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.471023][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.471192][ T32] r5:84bd8f8c r4:84bd8c00 [ 1328.471222][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.471282][ T32] r7:ddde2d80 r6:83018200 r5:84bd8f8c r4:8507d980 [ 1328.471313][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.471370][ T32] r10:61c88647 r9:8500a400 r8:8507d9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.471396][ T32] r4:8507d980 [ 1328.471418][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.471470][ T32] r10:00000000 r9:8507d980 r8:80287e08 r7:e0581e60 r6:8507da00 r5:8500a400 [ 1328.471494][ T32] r4:00000001 [ 1328.471584][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.471639][ T32] Exception stack(0xe05a5fb0 to 0xe05a5ff8) [ 1328.471678][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.471713][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.471771][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.471809][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.471834][ T32] r4:85081300 [ 1328.472340][ T32] INFO: task kworker/1:270:3834 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.472402][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1328.472856][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1328.473051][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1328.473267][ T32] r4:e044ddc0 ** 7 printk messages dropped ** [ 1328.473648][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 7 printk messages dropped ** [ 1328.474147][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1328.474358][ T32] r4:00000001 [ 1328.474385][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.474425][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.474482][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.474546][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.474619][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.474707][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.474737][ T32] r4:84ab0640 [ 1328.474773][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.474824][ T32] INFO: task kworker/0:91:3838 blocked for more than 454 seconds. [ 1328.474894][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.474929][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.474953][ T32] task:kworker/0:91 state:D stack:0 pid:3838 tgid:3838 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.475066][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.475151][ T32] Call trace: [ 1328.475186][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.475239][ T32] r10:8291a684 r9:ea809d84 r8:00000002 r7:60000113 r6:ea809d8c r5:84adb000 [ 1328.475266][ T32] r4:84adb000 [ 1328.475289][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.475336][ T32] r5:84adb000 r4:8291a680 [ 1328.475357][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.475414][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.475465][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea809e08 [ 1328.475490][ T32] r4:00000000 [ 1328.475558][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.475604][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.475670][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.475720][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85074f40 [ 1328.475758][ T32] r4:00000000 [ 1328.475785][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.475836][ T32] r9:83018005 r8:84adb000 r7:00000000 r6:83018000 r5:00001000 r4:7f07b000 [ 1328.475861][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.475907][ T32] r5:00001000 r4:dfde5000 [ 1328.475929][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.475976][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.476051][ T32] r5:84b96b8c r4:84b96800 [ 1328.476154][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.476524][ T32] r7:dddced80 r6:83018000 r5:84b96b8c r4:84b49d00 [ 1328.476563][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.476619][ T32] r10:61c88647 r9:84adb000 r8:84b49d2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1328.476672][ T32] r4:84b49d00 [ 1328.476699][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.476749][ T32] r10:00000000 r9:84b49d00 r8:80287e08 r7:e469de60 r6:84b49d80 r5:84adb000 [ 1328.476776][ T32] r4:00000001 [ 1328.476826][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.476871][ T32] Exception stack(0xea809fb0 to 0xea809ff8) [ 1328.476930][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.476967][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.477023][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.477086][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.477115][ T32] r4:85074d40 [ 1328.477420][ T32] INFO: task kworker/0:91:3838 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.477462][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.477532][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.477598][ T32] Call trace: ** 2 printk messages dropped ** [ 1328.477713][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1328.477888][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 4 printk messages dropped ** [ 1328.478149][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 6 printk messages dropped ** [ 1328.478510][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1328.479042][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 2 printk messages dropped ** [ 1328.479224][ T32] r4:84ab5800 ** 1 printk messages dropped ** [ 1328.516460][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1328.516803][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1328.517307][ T32] INFO: task kworker/1:271:3839 blocked for more than 454 seconds. ** 5 printk messages dropped ** [ 1328.517682][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 7 printk messages dropped ** [ 1328.518183][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.518370][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85081d40 ** 6 printk messages dropped ** [ 1328.518665][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1328.518908][ T32] r10:61c88647 r9:84ade000 r8:8507daac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1328.519276][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1328.527759][ T32] Call trace: ** 4 printk messages dropped ** [ 1328.527985][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.528056][ T32] dd20: afd8a000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.528158][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.528191][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.528219][ T32] r5:800d0013 r4:80239bb0 [ 1328.528243][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.528291][ T32] r4:82ac21e4 [ 1328.528345][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.528403][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.528430][ T32] r4:e044ddc0 [ 1328.528451][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.528498][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.528546][ T32] r4:00000000 [ 1328.528577][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.528650][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.528681][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.528729][ T32] r5:00001000 r4:dfe3d000 [ 1328.528751][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.528795][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.528842][ T32] r5:84a2438c r4:84a24000 [ 1328.528907][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.528966][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.528992][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.529047][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.529072][ T32] r4:84ab5800 [ 1328.529112][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.529170][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.529224][ T32] r4:00000001 [ 1328.529336][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.540494][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.540599][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.540637][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.540667][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.540704][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.540730][ T32] r4:84ab0640 [ 1328.540759][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.540797][ T32] INFO: task kworker/1:272:3841 blocked for more than 454 seconds. [ 1328.540839][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.540868][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.540894][ T32] task:kworker/1:272 state:D stack:0 pid:3841 tgid:3841 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.540985][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.541058][ T32] Call trace: [ 1328.541095][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.541157][ T32] r10:8291a684 r9:ea821d84 r8:00000002 r7:60000113 r6:ea821d8c r5:8502e000 [ 1328.541184][ T32] r4:8502e000 [ 1328.541225][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.541279][ T32] r5:8502e000 r4:8291a680 [ 1328.541304][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.541350][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.541482][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea821e08 [ 1328.541514][ T32] r4:00000000 [ 1328.541536][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.541595][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.541638][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.541683][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85081ec0 [ 1328.541708][ T32] r4:00000000 [ 1328.541731][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.541805][ T32] r9:83018205 r8:8502e000 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 [ 1328.541837][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.541962][ T32] r5:00001000 r4:dfd4f000 [ 1328.541992][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.542085][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.542196][ T32] r5:84bd978c r4:84bd9400 [ 1328.542248][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.542357][ T32] r7:ddde2d80 r6:83018200 r5:84bd978c r4:8507db00 [ 1328.542408][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.542520][ T32] r10:61c88647 r9:8502e000 r8:8507db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.542587][ T32] r4:8507db00 [ 1328.542638][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.542741][ T32] r10:00000000 r9:8507db00 r8:80287e08 r7:e0581e60 r6:84b49e80 r5:8502e000 [ 1328.542793][ T32] r4:00000001 [ 1328.542841][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.542925][ T32] Exception stack(0xea821fb0 to 0xea821ff8) [ 1328.543011][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1328.543100][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.543178][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.543250][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.543308][ T32] r4:85081b40 [ 1328.543861][ T32] INFO: task kworker/1:272:3841 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.543911][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.543979][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.544054][ T32] Call trace: [ 1328.544090][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.544147][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.544172][ T32] r4:00000000 [ 1328.544195][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.544240][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.544270][ T32] dd20: afdb2000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.544302][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.544329][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.544355][ T32] r5:800d0013 r4:80239bb0 [ 1328.544396][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.544447][ T32] r4:82ac21e4 [ 1328.544472][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.544578][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.544640][ T32] r4:e044ddc0 [ 1328.544975][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.545094][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.545125][ T32] r4:00000000 [ 1328.545146][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.545198][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.545292][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.545345][ T32] r5:00001000 r4:dfe3d000 [ 1328.545368][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.545410][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.545456][ T32] r5:84a2438c r4:84a24000 [ 1328.545480][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.545532][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.545563][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.545615][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.545653][ T32] r4:84ab5800 [ 1328.545679][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.545730][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.545755][ T32] r4:00000001 [ 1328.545776][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.545815][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.545842][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.545873][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.545902][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.545934][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 3 printk messages dropped ** [ 1328.546054][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1328.546405][ T32] r5:84adec00 r4:8291a680 ** 5 printk messages dropped ** [ 1328.546637][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1328.546955][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.547000][ T32] r5:84bd9f8c r4:84bd9c00 ** 1 printk messages dropped ** [ 1328.547095][ T32] r7:ddde2d80 r6:83018200 r5:84bd9f8c r4:8507db80 ** 4 printk messages dropped ** [ 1328.547290][ T32] r10:00000000 r9:8507db80 r8:80287e08 r7:e0581e60 r6:84b49f00 r5:84adec00 ** 9 printk messages dropped ** [ 1328.547998][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1328.548428][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1328.548654][ T32] r4:e044ddc0 [ 1328.548674][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.548718][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.548760][ T32] r4:00000000 [ 1328.548810][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.548948][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.549007][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.549103][ T32] r5:00001000 r4:dfe3d000 [ 1328.549153][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.549389][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.569194][ T32] r5:84a2438c r4:84a24000 [ 1328.570138][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.570278][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.570313][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.570400][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.570432][ T32] r4:84ab5800 [ 1328.570457][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.570528][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.570578][ T32] r4:00000001 [ 1328.570623][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.570676][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.570729][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.570766][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.570797][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.570830][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.570855][ T32] r4:84ab0640 [ 1328.570903][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.570975][ T32] INFO: task kworker/1:274:3844 blocked for more than 454 seconds. [ 1328.571058][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.571121][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.571181][ T32] task:kworker/1:274 state:D stack:0 pid:3844 tgid:3844 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.571315][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.571420][ T32] Call trace: [ 1328.571495][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.571632][ T32] r10:8291a684 r9:ea829d84 r8:00000002 r7:60000013 r6:ea829d8c r5:84ad9800 [ 1328.571715][ T32] r4:84ad9800 [ 1328.571767][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.571868][ T32] r5:84ad9800 r4:8291a680 [ 1328.571918][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.572008][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.572108][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea829e08 [ 1328.572165][ T32] r4:00000000 [ 1328.572211][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.572323][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.572410][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.572462][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85089040 [ 1328.572488][ T32] r4:00000000 [ 1328.572535][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.572606][ T32] r9:83018205 r8:84ad9800 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1328.572632][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.572680][ T32] r5:00001000 r4:dff21000 [ 1328.572703][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.572746][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.572795][ T32] r5:84bda38c r4:84bda000 [ 1328.572819][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.572868][ T32] r7:ddde2d80 r6:83018200 r5:84bda38c r4:8507dc00 [ 1328.572891][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.572942][ T32] r10:61c88647 r9:84ad9800 r8:8507dc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.572969][ T32] r4:8507dc00 [ 1328.572990][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.573038][ T32] r10:00000000 r9:8507dc00 r8:80287e08 r7:ea825e60 r6:84b49f80 r5:84ad9800 [ 1328.573063][ T32] r4:00000001 [ 1328.573084][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.573122][ T32] Exception stack(0xea829fb0 to 0xea829ff8) [ 1328.573150][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.573200][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.573237][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.573270][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.573311][ T32] r4:850814c0 [ 1328.573842][ T32] INFO: task kworker/1:274:3844 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.573885][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.574013][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.574066][ T32] Call trace: [ 1328.574100][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.574251][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.574284][ T32] r4:00000000 [ 1328.574307][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.574354][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 4 printk messages dropped ** [ 1328.574531][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 12 printk messages dropped ** [ 1328.575016][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1328.575259][ T32] r4:84ab5800 ** 1 printk messages dropped ** [ 1328.575422][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1328.575719][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1328.576094][ T32] INFO: task kworker/1:275:3846 blocked for more than 454 seconds. ** 3 printk messages dropped ** [ 1328.576482][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1328.576924][ T32] r5:84a45400 r4:8291a680 ** 5 printk messages dropped ** [ 1328.577115][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1328.577667][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.577726][ T32] r5:84bda78c r4:84bda400 [ 1328.577767][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.577878][ T32] r7:ddde2d80 r6:83018200 r5:84bda78c r4:8507dc80 [ 1328.577909][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.577991][ T32] r10:61c88647 r9:84a45400 r8:8507dcac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.578022][ T32] r4:8507dc80 [ 1328.578044][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.578121][ T32] r10:00000000 r9:8507dc80 r8:80287e08 r7:ea829e60 r6:8508c000 r5:84a45400 [ 1328.578152][ T32] r4:00000001 [ 1328.578173][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.578211][ T32] Exception stack(0xea819fb0 to 0xea819ff8) [ 1328.578240][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.578270][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.578331][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.578363][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.578389][ T32] r4:850814c0 [ 1328.578730][ T32] INFO: task kworker/1:275:3846 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.578776][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.578861][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.578915][ T32] Call trace: [ 1328.578950][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.579021][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.579047][ T32] r4:00000000 [ 1328.579070][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.579113][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.579143][ T32] dd20: b0112000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.579175][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.579204][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.579245][ T32] r5:800d0013 r4:80239bb0 [ 1328.579327][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.614723][ T32] r4:82ac21e4 [ 1328.614822][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.614970][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.615021][ T32] r4:e044ddc0 [ 1328.615065][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.615180][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.615236][ T32] r4:00000000 [ 1328.615280][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.615378][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.615442][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.615544][ T32] r5:00001000 r4:dfe3d000 [ 1328.615588][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.615690][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.615846][ T32] r5:84a2438c r4:84a24000 [ 1328.615901][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.616017][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.616122][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.616222][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.616292][ T32] r4:84ab5800 [ 1328.616341][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.616448][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.616532][ T32] r4:00000001 [ 1328.616582][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.616675][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.616740][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.616826][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.616900][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.616981][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.617034][ T32] r4:84ab0640 [ 1328.617087][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.617213][ T32] INFO: task kworker/0:92:3849 blocked for more than 455 seconds. [ 1328.617296][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.617352][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.617405][ T32] task:kworker/0:92 state:D stack:0 pid:3849 tgid:3849 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.617586][ T32] Workqueue: events bpf_prog_free_deferred ** 1 printk messages dropped ** [ 1328.617816][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 9 printk messages dropped ** [ 1328.618571][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 7 printk messages dropped ** [ 1328.633473][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.633696][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1328.633886][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1328.634095][ T32] r4:00000001 [ 1328.634116][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.634158][ T32] Exception stack(0xe0559fb0 to 0xe0559ff8) [ 1328.634206][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.634275][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.634310][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.634369][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.634401][ T32] r4:848c2a40 [ 1328.634873][ T32] INFO: task kworker/0:92:3849 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.634916][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.635023][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.635108][ T32] Call trace: [ 1328.635164][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.635250][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.635372][ T32] r4:00000000 [ 1328.635400][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.635445][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.635477][ T32] dd20: b05f4000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.635510][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.635539][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.635565][ T32] r5:800d0013 r4:80239bb0 [ 1328.635588][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.635680][ T32] r4:82ac21e4 [ 1328.635736][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.635788][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.635814][ T32] r4:e044ddc0 [ 1328.635864][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.635917][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.635997][ T32] r4:00000000 [ 1328.636024][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.636082][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.636107][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.636154][ T32] r5:00001000 r4:dfe3d000 [ 1328.636178][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.636223][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.636269][ T32] r5:84a2438c r4:84a24000 [ 1328.636291][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.636342][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.636367][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.636419][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.636444][ T32] r4:84ab5800 [ 1328.636493][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.636594][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.636640][ T32] r4:00000001 [ 1328.636663][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.636705][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.636734][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.636766][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.636888][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.636939][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.637010][ T32] r4:84ab0640 [ 1328.637040][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.637103][ T32] INFO: task kworker/1:276:3851 blocked for more than 455 seconds. [ 1328.637176][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.637237][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.637265][ T32] task:kworker/1:276 state:D stack:0 pid:3851 tgid:3851 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1328.637596][ T32] r10:8291a684 r9:ea831d84 r8:00000002 r7:60000113 r6:ea831d8c r5:85010c00 ** 4 printk messages dropped ** [ 1328.637804][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1328.638043][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850893c0 ** 5 printk messages dropped ** [ 1328.638275][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.638392][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.638446][ T32] r5:84bdab8c r4:84bda800 [ 1328.638470][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.638520][ T32] r7:ddde2d80 r6:83018200 r5:84bdab8c r4:8507dd00 ** 1 printk messages dropped ** [ 1328.638594][ T32] r10:61c88647 r9:85010c00 r8:8507dd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1328.638724][ T32] r10:00000000 r9:8507dd00 r8:80287e08 r7:ea819e60 r6:8508c180 r5:85010c00 ** 4 printk messages dropped ** [ 1328.638908][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1328.657079][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1328.657508][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.657543][ T32] dd20: b07a2000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.657591][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.657630][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.657658][ T32] r5:800d0013 r4:80239bb0 [ 1328.657681][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.657729][ T32] r4:82ac21e4 [ 1328.657752][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.657800][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.657825][ T32] r4:e044ddc0 [ 1328.657848][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.657932][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.657977][ T32] r4:00000000 [ 1328.658000][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.658052][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.658076][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.658124][ T32] r5:00001000 r4:dfe3d000 [ 1328.658147][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.658189][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.658235][ T32] r5:84a2438c r4:84a24000 [ 1328.658257][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.658341][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.658386][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.658539][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.658569][ T32] r4:84ab5800 [ 1328.658592][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.658653][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.658837][ T32] r4:00000001 [ 1328.658865][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.658906][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.658933][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.658964][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.659045][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.659083][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.659109][ T32] r4:84ab0640 [ 1328.659134][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.659183][ T32] INFO: task kworker/1:277:3854 blocked for more than 455 seconds. [ 1328.659226][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.659327][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.672774][ T32] task:kworker/1:277 state:D stack:0 pid:3854 tgid:3854 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.672893][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.672966][ T32] Call trace: [ 1328.673031][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.673104][ T32] r10:8291a684 r9:ea849d84 r8:00000002 r7:60000113 r6:ea849d8c r5:85012400 [ 1328.673133][ T32] r4:85012400 [ 1328.673156][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.673205][ T32] r5:85012400 r4:8291a680 [ 1328.673227][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.673269][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.673329][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea849e08 [ 1328.673361][ T32] r4:00000000 [ 1328.673385][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.673439][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.673517][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.673568][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85089540 [ 1328.673595][ T32] r4:00000000 [ 1328.673626][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.673684][ T32] r9:83018205 r8:85012400 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 [ 1328.673708][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.673759][ T32] r5:00001000 r4:e03d1000 [ 1328.673781][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.673823][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.673877][ T32] r5:84bdaf8c r4:84bdac00 [ 1328.673902][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.673959][ T32] r7:ddde2d80 r6:83018200 r5:84bdaf8c r4:8507dd80 [ 1328.673983][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.674035][ T32] r10:61c88647 r9:85012400 r8:8507ddac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.674059][ T32] r4:8507dd80 [ 1328.674082][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.674132][ T32] r10:00000000 r9:8507dd80 r8:80287e08 r7:ea831e60 r6:8508c200 r5:85012400 [ 1328.674156][ T32] r4:00000001 [ 1328.674178][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.674219][ T32] Exception stack(0xea849fb0 to 0xea849ff8) [ 1328.674264][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.674300][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.674371][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.674409][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.674434][ T32] r4:85089240 [ 1328.674899][ T32] INFO: task kworker/1:277:3854 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.674948][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.675072][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.675165][ T32] Call trace: [ 1328.675232][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.675334][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.675389][ T32] r4:00000000 [ 1328.675434][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.675514][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.675574][ T32] dd20: b09e1000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.675684][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.675748][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.675801][ T32] r5:800d0013 r4:80239bb0 [ 1328.675848][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.675942][ T32] r4:82ac21e4 [ 1328.675990][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.676086][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.676138][ T32] r4:e044ddc0 [ 1328.676185][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.676293][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.676369][ T32] r4:00000000 [ 1328.676419][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.676554][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.676602][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.676660][ T32] r5:00001000 r4:dfe3d000 [ 1328.676686][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.676731][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.676777][ T32] r5:84a2438c r4:84a24000 [ 1328.676818][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.676875][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.677031][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.677090][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.677116][ T32] r4:84ab5800 [ 1328.677137][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.677189][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.677214][ T32] r4:00000001 [ 1328.677235][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.677274][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.677302][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.677335][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.677366][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.677397][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.677421][ T32] r4:84ab0640 [ 1328.677444][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.677478][ T32] INFO: task kworker/1:278:3855 blocked for more than 455 seconds. [ 1328.677518][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.677548][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.677571][ T32] task:kworker/1:278 state:D stack:0 pid:3855 tgid:3855 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.677631][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.677678][ T32] Call trace: [ 1328.677785][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.677840][ T32] r10:8291a684 r9:ea84dd84 r8:00000002 r7:60000113 r6:ea84dd8c r5:85013000 [ 1328.677865][ T32] r4:85013000 [ 1328.677889][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.677936][ T32] r5:85013000 r4:8291a680 [ 1328.677958][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.678039][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.678092][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea84de08 [ 1328.678117][ T32] r4:00000000 [ 1328.678180][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.678265][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.678416][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.678476][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85089580 [ 1328.678520][ T32] r4:00000000 [ 1328.678563][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.678627][ T32] r9:83018205 r8:85013000 r7:00000000 r6:83018200 r5:00001000 r4:7f089000 [ 1328.678656][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.678730][ T32] r5:00001000 r4:e0537000 [ 1328.678758][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.678804][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.678850][ T32] r5:84bdb78c r4:84bdb400 [ 1328.678871][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.678922][ T32] r7:ddde2d80 r6:83018200 r5:84bdb78c r4:8507de00 [ 1328.678945][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.678998][ T32] r10:61c88647 r9:85013000 r8:8507de2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.679023][ T32] r4:8507de00 [ 1328.679123][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.679178][ T32] r10:00000000 r9:8507de00 r8:80287e08 r7:ea849e60 r6:8508c280 r5:85013000 [ 1328.679218][ T32] r4:00000001 [ 1328.679347][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.703082][ T32] Exception stack(0xea84dfb0 to 0xea84dff8) [ 1328.703226][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.703269][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.703301][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.703339][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.703399][ T32] r4:85089240 [ 1328.703926][ T32] INFO: task kworker/1:278:3855 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.703973][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.704077][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.704149][ T32] Call trace: [ 1328.704212][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.704297][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.704328][ T32] r4:00000000 [ 1328.704351][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.704399][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.704459][ T32] dd20: b0ca0000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.704633][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.704670][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.704699][ T32] r5:800d0013 r4:80239bb0 [ 1328.704723][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.704774][ T32] r4:82ac21e4 [ 1328.704796][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.704843][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.704868][ T32] r4:e044ddc0 [ 1328.704889][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.704963][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.705077][ T32] r4:00000000 [ 1328.705104][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.705213][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.705244][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.705321][ T32] r5:00001000 r4:dfe3d000 [ 1328.705348][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.705395][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.705474][ T32] r5:84a2438c r4:84a24000 [ 1328.705502][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.705557][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.705581][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.705820][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.705851][ T32] r4:84ab5800 [ 1328.705874][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.705949][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.706006][ T32] r4:00000001 [ 1328.706033][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.706079][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.706110][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.706142][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.706172][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.706206][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.706245][ T32] r4:84ab0640 [ 1328.706273][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.706329][ T32] INFO: task kworker/0:93:3856 blocked for more than 455 seconds. [ 1328.706442][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.706597][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.706646][ T32] task:kworker/0:93 state:D stack:0 pid:3856 tgid:3856 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.706731][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.706944][ T32] Call trace: [ 1328.706985][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.707041][ T32] r10:8291a684 r9:ea851d84 r8:00000002 r7:60000113 r6:ea851d8c r5:85011800 [ 1328.707067][ T32] r4:85011800 [ 1328.707092][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.707138][ T32] r5:85011800 r4:8291a680 [ 1328.707159][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.707203][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.707277][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea851e08 [ 1328.707308][ T32] r4:00000000 [ 1328.707329][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.707368][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.707433][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.707485][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85085b40 [ 1328.707511][ T32] r4:00000000 [ 1328.707533][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.707582][ T32] r9:83018005 r8:85011800 r7:00000000 r6:83018000 r5:00001000 r4:7f093000 [ 1328.707606][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.707662][ T32] r5:00001000 r4:e05ab000 [ 1328.707685][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.707728][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.707775][ T32] r5:84b9738c r4:84b97000 [ 1328.707798][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.707866][ T32] r7:dddced80 r6:83018000 r5:84b9738c r4:8508c300 [ 1328.707894][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.707966][ T32] r10:61c88647 r9:85011800 r8:8508c32c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1328.707995][ T32] r4:8508c300 [ 1328.708016][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.708067][ T32] r10:00000000 r9:8508c300 r8:80287e08 r7:e0559e60 r6:8508c380 r5:85011800 [ 1328.708105][ T32] r4:00000001 [ 1328.708159][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.708220][ T32] Exception stack(0xea851fb0 to 0xea851ff8) [ 1328.708278][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1328.708315][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.708393][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.708474][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.708576][ T32] r4:85085100 [ 1328.709086][ T32] INFO: task kworker/0:93:3856 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.709164][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.721953][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.722052][ T32] Call trace: [ 1328.722094][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.722194][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.722253][ T32] r4:00000000 [ 1328.722281][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.722329][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.722361][ T32] dd20: b0ca0000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.722394][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.722451][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.722482][ T32] r5:800d0013 r4:80239bb0 [ 1328.722504][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.722550][ T32] r4:82ac21e4 [ 1328.722586][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.722645][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.722670][ T32] r4:e044ddc0 [ 1328.722706][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.722755][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.722781][ T32] r4:00000000 [ 1328.722831][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.722888][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.722942][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.722994][ T32] r5:00001000 r4:dfe3d000 [ 1328.723057][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.723106][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.723152][ T32] r5:84a2438c r4:84a24000 [ 1328.723175][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.723226][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.723266][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.723327][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1328.723474][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1328.723659][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1328.723866][ T32] INFO: task kworker/1:279:3858 blocked for more than 455 seconds. ** 3 printk messages dropped ** [ 1328.724008][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1328.724160][ T32] r10:8291a684 r9:ea801d84 r8:00000002 r7:60000113 r6:ea801d8c r5:85009800 ** 5 printk messages dropped ** [ 1328.724393][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea801e08 ** 6 printk messages dropped ** [ 1328.724643][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1328.724821][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1328.725173][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1328.725504][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1328.726417][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.726638][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.726670][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.726740][ T32] r5:800d0013 r4:80239bb0 [ 1328.726794][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.726868][ T32] r4:82ac21e4 [ 1328.726895][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.726942][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.726965][ T32] r4:e044ddc0 [ 1328.727000][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.727049][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.727074][ T32] r4:00000000 [ 1328.727278][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.727334][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.727365][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.727426][ T32] r5:00001000 r4:dfe3d000 [ 1328.727448][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.727501][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.727546][ T32] r5:84a2438c r4:84a24000 [ 1328.727567][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.727621][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.727644][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.727695][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.727718][ T32] r4:84ab5800 [ 1328.727738][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.727785][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.727829][ T32] r4:00000001 [ 1328.727854][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.727900][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.727930][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.727961][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.727994][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.728044][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.728098][ T32] r4:84ab0640 [ 1328.728152][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.728187][ T32] INFO: task kworker/1:280:3860 blocked for more than 455 seconds. [ 1328.728219][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.728250][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.728280][ T32] task:kworker/1:280 state:D stack:0 pid:3860 tgid:3860 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.728334][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.728383][ T32] Call trace: [ 1328.728415][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.728542][ T32] r10:8291a684 r9:ea855d84 r8:00000002 r7:60000113 r6:ea855d8c r5:8500bc00 [ 1328.728600][ T32] r4:8500bc00 [ 1328.728647][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.728697][ T32] r5:8500bc00 r4:8291a680 [ 1328.728719][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.728762][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1328.728990][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1328.753241][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.753315][ T32] r5:84bdbb8c r4:84bdb800 ** 1 printk messages dropped ** [ 1328.753420][ T32] r7:ddde2d80 r6:83018200 r5:84bdbb8c r4:8507df80 ** 4 printk messages dropped ** [ 1328.753606][ T32] r10:00000000 r9:8507df80 r8:80287e08 r7:ea84de60 r6:8508f000 r5:8500bc00 ** 9 printk messages dropped ** [ 1328.754636][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1328.755584][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 11 printk messages dropped ** [ 1328.756101][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1328.756444][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1328.756794][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1328.756999][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1328.757392][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1328.757842][ T32] r5:00001000 r4:ea80f000 ** 1 printk messages dropped ** [ 1328.757905][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1328.758022][ T32] r7:ddde2d80 r6:83018200 r5:84bdcb8c r4:8508f080 ** 1 printk messages dropped ** [ 1328.758237][ T32] r10:61c88647 r9:8500c800 r8:8508f0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.758262][ T32] r4:8508f080 [ 1328.758322][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.758380][ T32] r10:00000000 r9:8508f080 r8:80287e08 r7:ea855e60 r6:8508f100 r5:8500c800 [ 1328.758406][ T32] r4:00000001 [ 1328.758427][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.758466][ T32] Exception stack(0xea859fb0 to 0xea859ff8) [ 1328.758495][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.758527][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.758557][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.758587][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.758618][ T32] r4:85089840 [ 1328.758909][ T32] INFO: task kworker/1:281:3863 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.758946][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.759033][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.759106][ T32] Call trace: [ 1328.759145][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.759200][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.759226][ T32] r4:00000000 [ 1328.759378][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.778599][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.778705][ T32] dd20: b1186000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.778747][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.778802][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.778840][ T32] r5:800d0013 r4:80239bb0 [ 1328.778869][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.778954][ T32] r4:82ac21e4 [ 1328.778981][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.779029][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.779054][ T32] r4:e044ddc0 [ 1328.779100][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.779152][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.779179][ T32] r4:00000000 [ 1328.779217][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.780028][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.780103][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.780220][ T32] r5:00001000 r4:dfe3d000 [ 1328.780273][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.780369][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.780463][ T32] r5:84a2438c r4:84a24000 [ 1328.780539][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.780658][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.780715][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.780852][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.780916][ T32] r4:84ab5800 [ 1328.780969][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.781081][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.781154][ T32] r4:00000001 [ 1328.781211][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.781301][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.781365][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.781438][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.781503][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.781573][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.781634][ T32] r4:84ab0640 [ 1328.781723][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.781787][ T32] INFO: task kworker/1:282:3864 blocked for more than 455 seconds. [ 1328.781829][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.781858][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.781885][ T32] task:kworker/1:282 state:D stack:0 pid:3864 tgid:3864 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.781976][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.782070][ T32] Call trace: [ 1328.782111][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.782174][ T32] r10:8291a684 r9:ea82dd84 r8:00000002 r7:60000113 r6:ea82dd8c r5:8500d400 [ 1328.782199][ T32] r4:8500d400 [ 1328.782222][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.782286][ T32] r5:8500d400 r4:8291a680 [ 1328.782335][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.782436][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.782496][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea82de08 [ 1328.782524][ T32] r4:00000000 [ 1328.782550][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.782604][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.782660][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.782749][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85089b80 [ 1328.782825][ T32] r4:00000000 [ 1328.782882][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.782993][ T32] r9:83018205 r8:8500d400 r7:00000000 r6:83018200 r5:00001000 r4:7f08d000 [ 1328.783053][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.783149][ T32] r5:00001000 r4:e055f000 [ 1328.783200][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.783291][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.783389][ T32] r5:84bdbf8c r4:84bdbc00 [ 1328.783437][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.783538][ T32] r7:ddde2d80 r6:83018200 r5:84bdbf8c r4:8508f180 [ 1328.783589][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.783713][ T32] r10:61c88647 r9:8500d400 r8:8508f1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.783775][ T32] r4:8508f180 [ 1328.783824][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.783931][ T32] r10:00000000 r9:8508f180 r8:80287e08 r7:ea859e60 r6:8508f200 r5:8500d400 [ 1328.783980][ T32] r4:00000001 [ 1328.784003][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.784044][ T32] Exception stack(0xea82dfb0 to 0xea82dff8) [ 1328.784094][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.784131][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1328.784953][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1328.785474][ T32] r5:800d0013 r4:80239bb0 [ 1328.785497][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.785544][ T32] r4:82ac21e4 [ 1328.785566][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.785625][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.785653][ T32] r4:e044ddc0 [ 1328.785675][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.785720][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.785746][ T32] r4:00000000 [ 1328.785796][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.785859][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.785885][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.785933][ T32] r5:00001000 r4:dfe3d000 [ 1328.785957][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.786001][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.786085][ T32] r5:84a2438c r4:84a24000 [ 1328.786112][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.786165][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.786189][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.786274][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.786303][ T32] r4:84ab5800 [ 1328.786326][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.786378][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.786403][ T32] r4:00000001 [ 1328.786425][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.786464][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.786492][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.786523][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.786552][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.786583][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.786621][ T32] r4:84ab0640 [ 1328.786697][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.786742][ T32] INFO: task kworker/1:283:3866 blocked for more than 455 seconds. [ 1328.786778][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.786805][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.786830][ T32] task:kworker/1:283 state:D stack:0 pid:3866 tgid:3866 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.786931][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.787025][ T32] Call trace: [ 1328.787122][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.787225][ T32] r10:8291a684 r9:ea865d84 r8:00000002 r7:60000113 r6:ea865d8c r5:8500e000 [ 1328.787278][ T32] r4:8500e000 [ 1328.787323][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.787416][ T32] r5:8500e000 r4:8291a680 [ 1328.787534][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.787678][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.787827][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea865e08 [ 1328.787892][ T32] r4:00000000 [ 1328.787937][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.788016][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.788107][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.788206][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85089c80 [ 1328.788263][ T32] r4:00000000 [ 1328.788313][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.788442][ T32] r9:83018205 r8:8500e000 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1328.788525][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1328.788792][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.788839][ T32] r5:84bdc38c r4:84bdc000 ** 2 printk messages dropped ** [ 1328.788967][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1328.823436][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1328.824746][ T32] Call trace: ** 4 printk messages dropped ** [ 1328.824987][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 3 printk messages dropped ** [ 1328.825140][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1328.825434][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 11 printk messages dropped ** [ 1328.826010][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1328.826222][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1328.826581][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1328.827011][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1328.827386][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1328.827531][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1328.827728][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1328.827891][ T32] r4:8508f280 [ 1328.827940][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.828066][ T32] r10:00000000 r9:8508f280 r8:80287e08 r7:ea859e60 r6:8508f400 r5:8500b000 [ 1328.828134][ T32] r4:00000001 [ 1328.828192][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.828285][ T32] Exception stack(0xea86dfb0 to 0xea86dff8) [ 1328.828344][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.828420][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.828538][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.828642][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.828734][ T32] r4:85089ac0 [ 1328.840076][ T32] INFO: task kworker/1:284:3868 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.840375][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.840623][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.840773][ T32] Call trace: [ 1328.840855][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.840928][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.840956][ T32] r4:00000000 [ 1328.841116][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.841172][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.841236][ T32] dd20: b16c8000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.841304][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.841336][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.841366][ T32] r5:800d0013 r4:80239bb0 [ 1328.841390][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.841465][ T32] r4:82ac21e4 [ 1328.841494][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.841574][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.841605][ T32] r4:e044ddc0 [ 1328.841640][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.841687][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.841788][ T32] r4:00000000 [ 1328.841816][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.841870][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.841894][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.841942][ T32] r5:00001000 r4:dfe3d000 [ 1328.841993][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.842045][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.842094][ T32] r5:84a2438c r4:84a24000 [ 1328.842318][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.842439][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.842533][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.842598][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.842629][ T32] r4:84ab5800 [ 1328.842708][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.842783][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.842814][ T32] r4:00000001 [ 1328.842865][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.842915][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.842974][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.843010][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.843114][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.843151][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.843176][ T32] r4:84ab0640 [ 1328.843204][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.843260][ T32] INFO: task kworker/1:285:3869 blocked for more than 455 seconds. [ 1328.843352][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.843427][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.843458][ T32] task:kworker/1:285 state:D stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.843515][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.843590][ T32] Call trace: [ 1328.843675][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.843733][ T32] r10:8291a684 r9:ea871d84 r8:00000002 r7:60000113 r6:ea871d8c r5:85008000 ** 5 printk messages dropped ** [ 1328.843995][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea871e08 ** 9 printk messages dropped ** [ 1328.844598][ T32] r5:00001000 r4:ea891000 ** 1 printk messages dropped ** [ 1328.844789][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1328.845059][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1328.845256][ T32] r4:00000001 [ 1328.845278][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.845317][ T32] Exception stack(0xea871fb0 to 0xea871ff8) [ 1328.845398][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1328.845439][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.845488][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.845688][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.845790][ T32] r4:85089ac0 [ 1328.846397][ T32] INFO: task kworker/1:285:3869 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.846450][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.846676][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.846778][ T32] Call trace: [ 1328.846821][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.846885][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.846912][ T32] r4:00000000 [ 1328.846956][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.847006][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.847040][ T32] dd20: b16c8000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.847073][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.847101][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.847141][ T32] r5:800d0013 r4:80239bb0 [ 1328.847169][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.847216][ T32] r4:82ac21e4 [ 1328.847324][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.847376][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.847404][ T32] r4:e044ddc0 [ 1328.847444][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.847523][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.847596][ T32] r4:00000000 [ 1328.847639][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.847719][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.847749][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.847800][ T32] r5:00001000 r4:dfe3d000 [ 1328.847823][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.847880][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.847932][ T32] r5:84a2438c r4:84a24000 [ 1328.847954][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.848005][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.848030][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.848082][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.848107][ T32] r4:84ab5800 [ 1328.848128][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.848177][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.848209][ T32] r4:00000001 [ 1328.848235][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.848274][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.848302][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.848332][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.848362][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.848393][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.848467][ T32] r4:84ab0640 [ 1328.848496][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.848576][ T32] INFO: task kworker/0:94:3872 blocked for more than 455 seconds. [ 1328.848651][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.848685][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1328.848780][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1328.849134][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1328.884338][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1328.884702][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.884780][ T32] r5:84b97b8c r4:84b97800 ** 2 printk messages dropped ** [ 1328.884968][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1328.885424][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1328.886245][ T32] Call trace: ** 4 printk messages dropped ** [ 1328.886507][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 3 printk messages dropped ** [ 1328.886687][ T32] r5:800d0013 r4:80239bb0 ** 3 printk messages dropped ** [ 1328.886870][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 4 printk messages dropped ** [ 1328.887042][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1328.887269][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1328.887555][ T32] r4:84ab5800 ** 1 printk messages dropped ** [ 1328.887714][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1328.887861][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1328.888097][ T32] INFO: task kworker/1:286:3875 blocked for more than 455 seconds. ** 6 printk messages dropped ** [ 1328.888640][ T32] r10:8291a684 r9:ea885d84 r8:00000002 r7:60000013 r6:ea885d8c r5:85019800 [ 1328.888726][ T32] r4:85019800 [ 1328.888754][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.888805][ T32] r5:85019800 r4:8291a680 [ 1328.888840][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.888890][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.888936][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea885e08 [ 1328.888961][ T32] r4:00000000 [ 1328.888982][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.889018][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.889061][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.889107][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509a040 [ 1328.889163][ T32] r4:00000000 [ 1328.889216][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.889387][ T32] r9:83018205 r8:85019800 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 [ 1328.910152][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.910346][ T32] r5:00001000 r4:ea85d000 [ 1328.910376][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.910430][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.910484][ T32] r5:84bdcf8c r4:84bdcc00 [ 1328.910530][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.910600][ T32] r7:ddde2d80 r6:83018200 r5:84bdcf8c r4:8508f600 [ 1328.910641][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.910708][ T32] r10:61c88647 r9:85019800 r8:8508f62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.910758][ T32] r4:8508f600 [ 1328.910805][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.910901][ T32] r10:00000000 r9:8508f600 r8:80287e08 r7:ea871e60 r6:8508f680 r5:85019800 [ 1328.910939][ T32] r4:00000001 [ 1328.910995][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.911049][ T32] Exception stack(0xea885fb0 to 0xea885ff8) [ 1328.911090][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.911170][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.911209][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.911251][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.911281][ T32] r4:8509a100 [ 1328.911790][ T32] INFO: task kworker/1:286:3875 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.911862][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.911953][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.912020][ T32] Call trace: [ 1328.912064][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.912125][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.912152][ T32] r4:00000000 [ 1328.912175][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.912218][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.912249][ T32] dd20: b1eed000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.912283][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.912311][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.912337][ T32] r5:800d0013 r4:80239bb0 [ 1328.912366][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.912443][ T32] r4:82ac21e4 [ 1328.912470][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.912571][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.912602][ T32] r4:e044ddc0 [ 1328.912647][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.912701][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.912728][ T32] r4:00000000 [ 1328.912762][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.912819][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.912867][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.912919][ T32] r5:00001000 r4:dfe3d000 [ 1328.912942][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.912987][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.913039][ T32] r5:84a2438c r4:84a24000 [ 1328.913119][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.913175][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.913204][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.913259][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.913285][ T32] r4:84ab5800 [ 1328.913333][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.913390][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.913416][ T32] r4:00000001 [ 1328.913437][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.913476][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.913557][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.913615][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.913663][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.913699][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.913750][ T32] r4:84ab0640 [ 1328.913779][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.913815][ T32] INFO: task kworker/1:287:3876 blocked for more than 455 seconds. [ 1328.913880][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.913916][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.913940][ T32] task:kworker/1:287 state:D stack:0 pid:3876 tgid:3876 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.914010][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.914062][ T32] Call trace: [ 1328.914096][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.914148][ T32] r10:8291a684 r9:ea889d84 r8:00000002 r7:60000013 r6:ea889d8c r5:85018000 [ 1328.914175][ T32] r4:85018000 [ 1328.914224][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.914277][ T32] r5:85018000 r4:8291a680 [ 1328.914302][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.914346][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.914405][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea889e08 [ 1328.914435][ T32] r4:00000000 [ 1328.914456][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.914534][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.914580][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.914666][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509a500 [ 1328.914698][ T32] r4:00000000 [ 1328.914722][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.914773][ T32] r9:83018205 r8:85018000 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1328.914796][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.914840][ T32] r5:00001000 r4:ea881000 [ 1328.914863][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.914919][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.914985][ T32] r5:84bdd38c r4:84bdd000 [ 1328.915040][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.915125][ T32] r7:ddde2d80 r6:83018200 r5:84bdd38c r4:8508f700 [ 1328.915186][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.915275][ T32] r10:61c88647 r9:85018000 r8:8508f72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.915306][ T32] r4:8508f700 [ 1328.915357][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.915472][ T32] r10:00000000 r9:8508f700 r8:80287e08 r7:ea871e60 r6:8508f780 r5:85018000 [ 1328.915509][ T32] r4:00000001 [ 1328.915555][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.915621][ T32] Exception stack(0xea889fb0 to 0xea889ff8) [ 1328.915652][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.915712][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.915779][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.915823][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.915853][ T32] r4:8509a100 [ 1328.916209][ T32] INFO: task kworker/1:287:3876 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.916259][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.916358][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.916419][ T32] Call trace: [ 1328.916483][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.916594][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.916636][ T32] r4:00000000 [ 1328.916690][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.916740][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.916774][ T32] dd20: b1eed000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.916805][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.916833][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.916864][ T32] r5:800d0013 r4:80239bb0 [ 1328.916889][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.916940][ T32] r4:82ac21e4 [ 1328.916965][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.917012][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.917038][ T32] r4:e044ddc0 [ 1328.917060][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.917105][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 1 printk messages dropped ** [ 1328.917167][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 7 printk messages dropped ** [ 1328.917581][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 6 printk messages dropped ** [ 1328.917905][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1328.918143][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1328.918320][ T32] INFO: task kworker/1:288:3878 blocked for more than 455 seconds. ** 3 printk messages dropped ** [ 1328.918539][ T32] Workqueue: events bpf_prog_free_deferred ** 1 printk messages dropped ** [ 1328.918724][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 5 printk messages dropped ** [ 1328.919073][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 1 printk messages dropped ** [ 1328.919177][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1328.940664][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1328.941074][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1328.941331][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1328.941803][ T32] r10:61c88647 r9:8501b000 r8:8508f82c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.941836][ T32] r4:8508f800 [ 1328.941859][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.941920][ T32] r10:00000000 r9:8508f800 r8:80287e08 r7:ea871e60 r6:8508f880 r5:8501b000 [ 1328.941975][ T32] r4:00000001 [ 1328.942026][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.942084][ T32] Exception stack(0xea89dfb0 to 0xea89dff8) [ 1328.942135][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.942174][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.942229][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.942266][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.942291][ T32] r4:8509a380 [ 1328.942974][ T32] INFO: task kworker/1:288:3878 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.943071][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.943245][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.943357][ T32] Call trace: [ 1328.943442][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.943564][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.943641][ T32] r4:00000000 [ 1328.943693][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.943806][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.943844][ T32] dd20: b1ff9000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.943879][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.943906][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.943933][ T32] r5:800d0013 r4:80239bb0 [ 1328.943957][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.944006][ T32] r4:82ac21e4 [ 1328.944029][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.944074][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.944099][ T32] r4:e044ddc0 [ 1328.944121][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.944181][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.944211][ T32] r4:00000000 [ 1328.944234][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.944285][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.944308][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.944354][ T32] r5:00001000 r4:dfe3d000 [ 1328.944384][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.944429][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.944490][ T32] r5:84a2438c r4:84a24000 [ 1328.944567][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.944632][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.944657][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.944711][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.944751][ T32] r4:84ab5800 [ 1328.944777][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.944831][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.944882][ T32] r4:00000001 [ 1328.944910][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.944954][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.944983][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.945015][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.945045][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.945091][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.945120][ T32] r4:84ab0640 [ 1328.945145][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.945193][ T32] INFO: task kworker/1:289:3881 blocked for more than 455 seconds. [ 1328.945256][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.945290][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.945314][ T32] task:kworker/1:289 state:D stack:0 pid:3881 tgid:3881 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.945373][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.945434][ T32] Call trace: [ 1328.945475][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.945553][ T32] r10:8291a684 r9:ea8a9d84 r8:00000002 r7:60000013 r6:ea8a9d8c r5:85018c00 [ 1328.945598][ T32] r4:85018c00 [ 1328.945639][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.945710][ T32] r5:85018c00 r4:8291a680 [ 1328.945755][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.945829][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.945878][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8a9e08 ** 4 printk messages dropped ** [ 1328.946066][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509a800 ** 6 printk messages dropped ** [ 1328.946437][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.946483][ T32] r5:84bddb8c r4:84bdd800 ** 3 printk messages dropped ** [ 1328.946672][ T32] r10:61c88647 r9:85018c00 r8:8508f92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1328.946949][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1328.947515][ T32] Call trace: ** 4 printk messages dropped ** [ 1328.947765][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1328.947984][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1328.948077][ T32] r4:e044ddc0 ** 1 printk messages dropped ** [ 1328.948141][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.948167][ T32] r4:00000000 [ 1328.948188][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.948237][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.948274][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.948326][ T32] r5:00001000 r4:dfe3d000 [ 1328.948350][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.948393][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.948439][ T32] r5:84a2438c r4:84a24000 [ 1328.948461][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.948557][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.948587][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.948666][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.948697][ T32] r4:84ab5800 [ 1328.948719][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.948771][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.948795][ T32] r4:00000001 [ 1328.948816][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.948853][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.948882][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.948915][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.948944][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.948976][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.949000][ T32] r4:84ab0640 [ 1328.949022][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.949051][ T32] INFO: task kworker/1:290:3882 blocked for more than 455 seconds. [ 1328.949097][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.949159][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.949191][ T32] task:kworker/1:290 state:D stack:0 pid:3882 tgid:3882 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.949313][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.980251][ T32] Call trace: [ 1328.980313][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.980416][ T32] r10:8291a684 r9:ea8add84 r8:00000002 r7:60000113 r6:ea8add8c r5:8501bc00 [ 1328.980445][ T32] r4:8501bc00 [ 1328.980486][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.980591][ T32] r5:8501bc00 r4:8291a680 [ 1328.980628][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.980676][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.980726][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8ade08 [ 1328.980750][ T32] r4:00000000 [ 1328.980771][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.980808][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.980852][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.980897][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85085c80 [ 1328.980952][ T32] r4:00000000 [ 1328.980981][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.981038][ T32] r9:83018205 r8:8501bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f09f000 [ 1328.981064][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.981131][ T32] r5:00001000 r4:ea8a5000 [ 1328.981158][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.981205][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.981254][ T32] r5:84b9778c r4:84b97400 [ 1328.981276][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.981358][ T32] r7:ddde2d80 r6:83018200 r5:84b9778c r4:8508fa00 [ 1328.981387][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.981483][ T32] r10:61c88647 r9:8501bc00 r8:8508fa2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.981512][ T32] r4:8508fa00 [ 1328.981549][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.981640][ T32] r10:00000000 r9:8508fa00 r8:80287e08 r7:ea89de60 r6:8508fa80 r5:8501bc00 [ 1328.981674][ T32] r4:00000001 [ 1328.981697][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.981766][ T32] Exception stack(0xea8adfb0 to 0xea8adff8) [ 1328.981806][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.981841][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.981870][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.981901][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.981950][ T32] r4:8509a440 [ 1328.982489][ T32] INFO: task kworker/1:290:3882 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.982535][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.982686][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.982746][ T32] Call trace: [ 1328.982782][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.982841][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.982866][ T32] r4:00000000 [ 1328.982889][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 2 printk messages dropped ** [ 1328.983029][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1328.983389][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 1 printk messages dropped ** [ 1328.983448][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.983503][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.983526][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.983575][ T32] r5:00001000 r4:dfe3d000 [ 1328.983617][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.983704][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.983758][ T32] r5:84a2438c r4:84a24000 [ 1328.983782][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.983835][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.983884][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.983966][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.984003][ T32] r4:84ab5800 [ 1328.984025][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.984078][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1328.984117][ T32] r4:00000001 [ 1328.984167][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.984212][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1328.984242][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.984273][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.984302][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.984360][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.984391][ T32] r4:84ab0640 [ 1328.984414][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.984468][ T32] INFO: task kworker/1:291:3885 blocked for more than 455 seconds. [ 1328.984544][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1328.984623][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.984670][ T32] task:kworker/1:291 state:D stack:0 pid:3885 tgid:3885 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.984800][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.984888][ T32] Call trace: [ 1328.984962][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1328.985059][ T32] r10:8291a684 r9:ea8c1d84 r8:00000002 r7:60000113 r6:ea8c1d8c r5:8501d400 [ 1328.985119][ T32] r4:8501d400 [ 1328.985159][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1328.985210][ T32] r5:8501d400 r4:8291a680 [ 1328.985234][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.985276][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.985323][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8c1e08 [ 1328.985349][ T32] r4:00000000 [ 1328.985389][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1328.985460][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1328.985505][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.985579][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509ab80 [ 1328.985620][ T32] r4:00000000 [ 1328.985648][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.985703][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.985729][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.985776][ T32] r5:00001000 r4:ea8b5000 [ 1328.985799][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.985842][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.985888][ T32] r5:84bddf8c r4:84bddc00 [ 1328.985926][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.986059][ T32] r7:ddde2d80 r6:83018200 r5:84bddf8c r4:8508fb00 [ 1328.986126][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.986283][ T32] r10:61c88647 r9:8501d400 r8:8508fb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.986347][ T32] r4:8508fb00 [ 1328.986402][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1328.986514][ T32] r10:00000000 r9:8508fb00 r8:80287e08 r7:ea89de60 r6:8508fb80 r5:8501d400 [ 1328.986571][ T32] r4:00000001 [ 1328.986625][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.986707][ T32] Exception stack(0xea8c1fb0 to 0xea8c1ff8) [ 1328.986775][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1328.986848][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.986922][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.986998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1328.987060][ T32] r4:8509aa00 [ 1328.987585][ T32] INFO: task kworker/1:291:3885 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1328.987670][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.987743][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.987797][ T32] Call trace: [ 1328.987831][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1328.987891][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1328.987918][ T32] r4:00000000 [ 1328.987959][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.988009][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1328.988043][ T32] dd20: b25a1000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1328.988078][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1328.988134][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1328.988180][ T32] r5:800d0013 r4:80239bb0 [ 1328.988209][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.988258][ T32] r4:82ac21e4 [ 1328.988310][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.988363][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1328.988391][ T32] r4:e044ddc0 [ 1328.988439][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1328.988492][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1328.988538][ T32] r4:00000000 [ 1328.988562][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1328.988621][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1328.988647][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1328.988706][ T32] r5:00001000 r4:dfe3d000 [ 1328.988748][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1328.988800][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.988847][ T32] r5:84a2438c r4:84a24000 [ 1328.988870][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1328.988921][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1328.988963][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1328.989022][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1329.004419][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 7 printk messages dropped ** [ 1329.004793][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 5 printk messages dropped ** [ 1329.005247][ T32] r10:8291a684 r9:ea869d84 r8:00000002 r7:60000113 r6:ea869d8c r5:85013c00 ** 8 printk messages dropped ** [ 1329.005560][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1329.005932][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1329.006128][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1329.006459][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1329.006529][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.006555][ T32] r4:8509aa00 [ 1329.007075][ T32] INFO: task kworker/1:292:3886 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.007119][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.007189][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.007270][ T32] Call trace: [ 1329.007313][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.007388][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.007421][ T32] r4:00000000 [ 1329.007444][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.007489][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.007521][ T32] dd20: b2664000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.007553][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.007583][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.007619][ T32] r5:800d0013 r4:80239bb0 [ 1329.007670][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.007723][ T32] r4:82ac21e4 [ 1329.007748][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.007797][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.007823][ T32] r4:e044ddc0 [ 1329.007871][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.007923][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.007950][ T32] r4:00000000 [ 1329.007973][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.008026][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.008052][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.008099][ T32] r5:00001000 r4:dfe3d000 [ 1329.008122][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.008204][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.008304][ T32] r5:84a2438c r4:84a24000 [ 1329.008354][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.008458][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.008546][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.008667][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.008732][ T32] r4:84ab5800 [ 1329.008788][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.008899][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.008967][ T32] r4:00000001 [ 1329.009027][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.009106][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.009167][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.025785][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.025940][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.025987][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.026017][ T32] r4:84ab0640 [ 1329.026049][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.026117][ T32] INFO: task kworker/1:293:3890 blocked for more than 455 seconds. [ 1329.026165][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.026195][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.026223][ T32] task:kworker/1:293 state:D stack:0 pid:3890 tgid:3890 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.026328][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.026404][ T32] Call trace: [ 1329.026443][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 4 printk messages dropped ** [ 1329.026727][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1329.027222][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1329.027335][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1329.027626][ T32] r4:8508fc80 ** 6 printk messages dropped ** [ 1329.027968][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1329.028847][ T32] Call trace: ** 4 printk messages dropped ** [ 1329.029065][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 4 printk messages dropped ** [ 1329.045454][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1329.046167][ T32] r5:00001000 r4:dfe3d000 ** 7 printk messages dropped ** [ 1329.046553][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1329.046673][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1329.046893][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1329.047439][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1329.048013][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8ede08 ** 9 printk messages dropped ** [ 1329.048427][ T32] r5:00001000 r4:ea8d1000 ** 1 printk messages dropped ** [ 1329.048491][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1329.048871][ T32] r4:8508fd00 ** 6 printk messages dropped ** [ 1329.049114][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1329.061173][ T32] Call trace: [ 1329.061225][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.061321][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.061399][ T32] r4:00000000 [ 1329.061430][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.061482][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.061519][ T32] dd20: b2ab5000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.061555][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.061614][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.061730][ T32] r5:800d0013 r4:80239bb0 [ 1329.061761][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.061814][ T32] r4:82ac21e4 [ 1329.061939][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.062001][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.062058][ T32] r4:e044ddc0 [ 1329.062171][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.062224][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.062253][ T32] r4:00000000 [ 1329.062276][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.062354][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.062381][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.062437][ T32] r5:00001000 r4:dfe3d000 [ 1329.062516][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.062570][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.062621][ T32] r5:84a2438c r4:84a24000 [ 1329.062646][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.062706][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.062730][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.062783][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.062809][ T32] r4:84ab5800 [ 1329.062832][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.062884][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.062924][ T32] r4:00000001 [ 1329.062951][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.062993][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.063022][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.063054][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.063099][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.063138][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.063164][ T32] r4:84ab0640 [ 1329.063189][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.063226][ T32] INFO: task kworker/1:295:3893 blocked for more than 455 seconds. [ 1329.063266][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.063315][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.063340][ T32] task:kworker/1:295 state:D stack:0 pid:3893 tgid:3893 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.063392][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.063438][ T32] Call trace: [ 1329.063490][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.063551][ T32] r10:8291a684 r9:ea905d84 r8:00000002 r7:60000113 r6:ea905d8c r5:85015400 [ 1329.063578][ T32] r4:85015400 [ 1329.063628][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.063693][ T32] r5:85015400 r4:8291a680 [ 1329.063719][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.063762][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.063879][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea905e08 [ 1329.063911][ T32] r4:00000000 [ 1329.063934][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.063975][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.064015][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.064079][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85092040 [ 1329.064109][ T32] r4:00000000 [ 1329.064132][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.064202][ T32] r9:83018205 r8:85015400 r7:00000000 r6:83018200 r5:00001000 r4:7f0dd000 [ 1329.064230][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.064281][ T32] r5:00001000 r4:ea8f5000 [ 1329.064326][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.064373][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.064420][ T32] r5:84bdf38c r4:84bdf000 [ 1329.064451][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.064527][ T32] r7:ddde2d80 r6:83018200 r5:84bdf38c r4:8508fd80 [ 1329.064554][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.064635][ T32] r10:61c88647 r9:85015400 r8:8508fdac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.064667][ T32] r4:8508fd80 [ 1329.064690][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.064848][ T32] r10:00000000 r9:8508fd80 r8:80287e08 r7:ea8e9e60 r6:8508c600 r5:85015400 [ 1329.064897][ T32] r4:00000001 [ 1329.064970][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.065016][ T32] Exception stack(0xea905fb0 to 0xea905ff8) [ 1329.065046][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.065146][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.065190][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.065261][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.065354][ T32] r4:85092000 [ 1329.065831][ T32] INFO: task kworker/1:295:3893 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.065925][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.066059][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.066187][ T32] Call trace: [ 1329.066275][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.066442][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.066508][ T32] r4:00000000 [ 1329.066560][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.066653][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.066714][ T32] dd20: b2ab5000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.066840][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.066940][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.067006][ T32] r5:800d0013 r4:80239bb0 [ 1329.067063][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.067162][ T32] r4:82ac21e4 [ 1329.067215][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.067354][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.067418][ T32] r4:e044ddc0 [ 1329.067468][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.067560][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.067590][ T32] r4:00000000 [ 1329.067614][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.067669][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.067694][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1329.067857][ T32] r5:84a2438c r4:84a24000 ** 4 printk messages dropped ** [ 1329.068093][ T32] r4:84ab5800 ** 1 printk messages dropped ** [ 1329.068183][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1329.068412][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1329.068567][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1329.068683][ T32] r4:84ab0640 ** 2 printk messages dropped ** [ 1329.068814][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 2 printk messages dropped ** [ 1329.068929][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1329.069092][ T32] r10:8291a684 r9:ea90dd84 r8:00000002 r7:60000113 r6:ea90dd8c r5:85040000 ** 3 printk messages dropped ** [ 1329.094330][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1329.094593][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 3 printk messages dropped ** [ 1329.094762][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1329.094963][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.095049][ T32] r5:84bdf78c r4:84bdf400 [ 1329.095104][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.095224][ T32] r7:ddde2d80 r6:83018200 r5:84bdf78c r4:8508fe00 [ 1329.095279][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.095391][ T32] r10:61c88647 r9:85040000 r8:8508fe2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.095417][ T32] r4:8508fe00 [ 1329.095441][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.095491][ T32] r10:00000000 r9:8508fe00 r8:80287e08 r7:ea905e60 r6:8508c680 r5:85040000 [ 1329.095516][ T32] r4:00000001 [ 1329.095539][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.095580][ T32] Exception stack(0xea90dfb0 to 0xea90dff8) [ 1329.095613][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.095645][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.095675][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.095706][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.095730][ T32] r4:85092000 [ 1329.096186][ T32] INFO: task kworker/1:296:3895 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.096229][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.096351][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.096424][ T32] Call trace: [ 1329.096463][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.096544][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.096573][ T32] r4:00000000 [ 1329.096595][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.096639][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.096672][ T32] dd20: b2d6b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.096705][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.096735][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.096761][ T32] r5:800d0013 r4:80239bb0 [ 1329.096784][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.096829][ T32] r4:82ac21e4 [ 1329.096852][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.096898][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.096941][ T32] r4:e044ddc0 [ 1329.096969][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.097016][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.097042][ T32] r4:00000000 [ 1329.097065][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.097116][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.097141][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.097188][ T32] r5:00001000 r4:dfe3d000 [ 1329.097210][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.097254][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.097319][ T32] r5:84a2438c r4:84a24000 [ 1329.097342][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.097436][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.097466][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.097521][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.097547][ T32] r4:84ab5800 [ 1329.097569][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.097620][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.097740][ T32] r4:00000001 [ 1329.097766][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.097862][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.097896][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.097928][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.097986][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.098104][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.098134][ T32] r4:84ab0640 [ 1329.098158][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.098227][ T32] INFO: task kworker/1:297:3896 blocked for more than 455 seconds. [ 1329.098272][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.098343][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.098368][ T32] task:kworker/1:297 state:D stack:0 pid:3896 tgid:3896 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.098421][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.098496][ T32] Call trace: [ 1329.098532][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.098585][ T32] r10:8291a684 r9:ea911d84 r8:00000002 r7:60000013 r6:ea911d8c r5:85040c00 [ 1329.098610][ T32] r4:85040c00 [ 1329.098633][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.098680][ T32] r5:85040c00 r4:8291a680 [ 1329.098702][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.098744][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.098789][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea911e08 [ 1329.098815][ T32] r4:00000000 [ 1329.098835][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.098872][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.098909][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.099064][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85092480 [ 1329.099095][ T32] r4:00000000 [ 1329.099118][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.099166][ T32] r9:83018205 r8:85040c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0e1000 [ 1329.099190][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.117834][ T32] r5:00001000 r4:ea919000 [ 1329.117945][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.118025][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.118076][ T32] r5:84bdfb8c r4:84bdf800 [ 1329.118120][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.118180][ T32] r7:ddde2d80 r6:83018200 r5:84bdfb8c r4:8508fe80 [ 1329.118205][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.118258][ T32] r10:61c88647 r9:85040c00 r8:8508feac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.118283][ T32] r4:8508fe80 [ 1329.118362][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.118421][ T32] r10:00000000 r9:8508fe80 r8:80287e08 r7:ea90de60 r6:8508c700 r5:85040c00 [ 1329.118447][ T32] r4:00000001 [ 1329.118469][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.118532][ T32] Exception stack(0xea911fb0 to 0xea911ff8) [ 1329.118666][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.118704][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.118734][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.118767][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.118792][ T32] r4:85092000 [ 1329.122699][ T32] INFO: task kworker/1:297:3896 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.122853][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.123023][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.123176][ T32] Call trace: [ 1329.123272][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.123433][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.123501][ T32] r4:00000000 [ 1329.123555][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.123654][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.123703][ T32] dd20: b2ffd000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.123739][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.123768][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.123795][ T32] r5:800d0013 r4:80239bb0 [ 1329.123817][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.123864][ T32] r4:82ac21e4 [ 1329.123886][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.123956][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.123987][ T32] r4:e044ddc0 [ 1329.124012][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.124059][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.124085][ T32] r4:00000000 [ 1329.124106][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.124157][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.124180][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.124226][ T32] r5:00001000 r4:dfe3d000 [ 1329.124247][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.124310][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.124431][ T32] r5:84a2438c r4:84a24000 [ 1329.124460][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.124544][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.124572][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.124626][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.124723][ T32] r4:84ab5800 [ 1329.124780][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.124846][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.124890][ T32] r4:00000001 [ 1329.124931][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.124977][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.125007][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.125038][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.125067][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.125101][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.125128][ T32] r4:84ab0640 [ 1329.125153][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.125186][ T32] INFO: task kworker/1:298:3898 blocked for more than 455 seconds. [ 1329.125225][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.125251][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.125275][ T32] task:kworker/1:298 state:D stack:0 pid:3898 tgid:3898 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.125355][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.125424][ T32] Call trace: [ 1329.125461][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.125515][ T32] r10:8291a684 r9:ea921d84 r8:00000002 r7:60000113 r6:ea921d8c r5:85042400 [ 1329.125540][ T32] r4:85042400 [ 1329.125564][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.125637][ T32] r5:85042400 r4:8291a680 [ 1329.125672][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.125718][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.125766][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea921e08 [ 1329.125791][ T32] r4:00000000 [ 1329.125812][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.125849][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.125886][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.125930][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85092700 [ 1329.125954][ T32] r4:00000000 [ 1329.125974][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.126022][ T32] r9:83018205 r8:85042400 r7:00000000 r6:83018200 r5:00001000 r4:7f0e5000 [ 1329.126059][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.126112][ T32] r5:00001000 r4:ea935000 [ 1329.126271][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.126339][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.126386][ T32] r5:84be838c r4:84be8000 [ 1329.126409][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.126457][ T32] r7:ddde2d80 r6:83018200 r5:84be838c r4:8508ff00 [ 1329.126480][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.126529][ T32] r10:61c88647 r9:85042400 r8:8508ff2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.126554][ T32] r4:8508ff00 [ 1329.126576][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.126624][ T32] r10:00000000 r9:8508ff00 r8:80287e08 r7:ea911e60 r6:8508c780 r5:85042400 [ 1329.126648][ T32] r4:00000001 [ 1329.126830][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.126940][ T32] Exception stack(0xea921fb0 to 0xea921ff8) [ 1329.127057][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.127093][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.127148][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.127277][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.127322][ T32] r4:850921c0 [ 1329.127781][ T32] INFO: task kworker/1:298:3898 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.127821][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.127885][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.127948][ T32] Call trace: [ 1329.127986][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.128042][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.128068][ T32] r4:00000000 [ 1329.128091][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.128280][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.128359][ T32] dd20: b2ffd000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.128397][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.128425][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.128451][ T32] r5:800d0013 r4:80239bb0 [ 1329.128473][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.128536][ T32] r4:82ac21e4 [ 1329.128559][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.128607][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.128631][ T32] r4:e044ddc0 [ 1329.128652][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.128696][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.128720][ T32] r4:00000000 [ 1329.128755][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.128810][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.128835][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.128881][ T32] r5:00001000 r4:dfe3d000 [ 1329.128904][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.128947][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.128992][ T32] r5:84a2438c r4:84a24000 [ 1329.129016][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.129093][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.129121][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.129174][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.129198][ T32] r4:84ab5800 [ 1329.129320][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.147514][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.147570][ T32] r4:00000001 [ 1329.147599][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.147681][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.147722][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.147756][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.147828][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.147865][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.147891][ T32] r4:84ab0640 [ 1329.147916][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.147951][ T32] INFO: task kworker/1:299:3900 blocked for more than 455 seconds. [ 1329.147988][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.148015][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.148044][ T32] task:kworker/1:299 state:D stack:0 pid:3900 tgid:3900 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.148201][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.148262][ T32] Call trace: [ 1329.148319][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.148392][ T32] r10:8291a684 r9:ea879d84 r8:00000002 r7:60000113 r6:ea879d8c r5:8501a400 [ 1329.148449][ T32] r4:8501a400 [ 1329.148492][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.148591][ T32] r5:8501a400 r4:8291a680 [ 1329.148619][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.148665][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.148712][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea879e08 [ 1329.148736][ T32] r4:00000000 [ 1329.148758][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.148797][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.148837][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.148883][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850925c0 [ 1329.148908][ T32] r4:00000000 [ 1329.148930][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.149034][ T32] r9:83018205 r8:8501a400 r7:00000000 r6:83018200 r5:00001000 r4:7f0e3000 [ 1329.149065][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.149114][ T32] r5:00001000 r4:ea929000 [ 1329.149136][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.149182][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.149332][ T32] r5:84bdff8c r4:84bdfc00 [ 1329.163529][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.163642][ T32] r7:ddde2d80 r6:83018200 r5:84bdff8c r4:8508ff80 [ 1329.163684][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.163742][ T32] r10:61c88647 r9:8501a400 r8:8508ffac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.163769][ T32] r4:8508ff80 [ 1329.163793][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.163864][ T32] r10:00000000 r9:8508ff80 r8:80287e08 r7:ea921e60 r6:8509f000 r5:8501a400 [ 1329.163916][ T32] r4:00000001 [ 1329.163946][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.163991][ T32] Exception stack(0xea879fb0 to 0xea879ff8) [ 1329.164025][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1329.164058][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.164087][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.164121][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.164145][ T32] r4:85092300 [ 1329.164655][ T32] INFO: task kworker/1:299:3900 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.164703][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.164796][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.164885][ T32] Call trace: [ 1329.164922][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.164985][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.165012][ T32] r4:00000000 [ 1329.165034][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.165077][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.165109][ T32] dd20: b34b1000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.165141][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.165169][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.165196][ T32] r5:800d0013 r4:80239bb0 [ 1329.165219][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.165266][ T32] r4:82ac21e4 [ 1329.165309][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.165360][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.165385][ T32] r4:e044ddc0 [ 1329.165422][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.165474][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.165501][ T32] r4:00000000 [ 1329.165540][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.165598][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.165635][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.165688][ T32] r5:00001000 r4:dfe3d000 [ 1329.165711][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.165783][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.165898][ T32] r5:84a2438c r4:84a24000 [ 1329.165952][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.166063][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.166123][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.166235][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.166335][ T32] r4:84ab5800 [ 1329.166391][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.166516][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.166587][ T32] r4:00000001 [ 1329.166641][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.166730][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.166797][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.166868][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.166944][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.167025][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.167100][ T32] r4:84ab0640 [ 1329.167160][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.167229][ T32] INFO: task kworker/1:300:3904 blocked for more than 455 seconds. [ 1329.167338][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.167405][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.167459][ T32] task:kworker/1:300 state:D stack:0 pid:3904 tgid:3904 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.167587][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.167767][ T32] Call trace: [ 1329.167808][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.167864][ T32] r10:8291a684 r9:ea92dd84 r8:00000002 r7:60000113 r6:ea92dd8c r5:8501e000 [ 1329.167890][ T32] r4:8501e000 [ 1329.167912][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.167958][ T32] r5:8501e000 r4:8291a680 [ 1329.167980][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.168023][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.168068][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea92de08 [ 1329.168092][ T32] r4:00000000 [ 1329.168114][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.168151][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.168187][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.168232][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85092840 [ 1329.168256][ T32] r4:00000000 [ 1329.168278][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.168350][ T32] r9:83018205 r8:8501e000 r7:00000000 r6:83018200 r5:00001000 r4:7f0e7000 [ 1329.168390][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.168443][ T32] r5:00001000 r4:ea941000 [ 1329.168466][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1329.168629][ T32] r5:84be878c r4:84be8400 [ 1329.168651][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1329.168776][ T32] r10:61c88647 r9:8501e000 r8:8509f0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1329.169035][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1329.180705][ T32] Call trace: ** 6 printk messages dropped ** [ 1329.181271][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1329.181637][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 10 printk messages dropped ** [ 1329.182024][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1329.182671][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1329.183056][ T32] task:kworker/1:301 state:D stack:0 pid:3905 tgid:3905 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 7 printk messages dropped ** [ 1329.183398][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.183441][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.183487][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea945e08 [ 1329.183511][ T32] r4:00000000 [ 1329.183531][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.183568][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.183605][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.183664][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85092f80 [ 1329.183695][ T32] r4:00000000 [ 1329.183744][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.183798][ T32] r9:83018205 r8:8501ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f0f1000 [ 1329.183823][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.183869][ T32] r5:00001000 r4:ea979000 [ 1329.183891][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.183933][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.183977][ T32] r5:84be938c r4:84be9000 [ 1329.183999][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.184049][ T32] r7:ddde2d80 r6:83018200 r5:84be938c r4:8509f180 [ 1329.184072][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.184255][ T32] r10:61c88647 r9:8501ec00 r8:8509f1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.184287][ T32] r4:8509f180 [ 1329.184362][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.184445][ T32] r10:00000000 r9:8509f180 r8:80287e08 r7:ea92de60 r6:8509f200 r5:8501ec00 [ 1329.184475][ T32] r4:00000001 [ 1329.184497][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.184560][ T32] Exception stack(0xea945fb0 to 0xea945ff8) [ 1329.184589][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.184620][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.184648][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.184680][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.184704][ T32] r4:850926c0 [ 1329.185174][ T32] INFO: task kworker/1:301:3905 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.185214][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.185294][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.185350][ T32] Call trace: [ 1329.185409][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.185466][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.185491][ T32] r4:00000000 [ 1329.185513][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.185555][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.185585][ T32] dd20: b34b1000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.185618][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.185646][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.185673][ T32] r5:800d0013 r4:80239bb0 [ 1329.185721][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.185773][ T32] r4:82ac21e4 [ 1329.185796][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.185843][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.185868][ T32] r4:e044ddc0 [ 1329.185890][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.185933][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.185959][ T32] r4:00000000 [ 1329.185981][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.186032][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.186057][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.186103][ T32] r5:00001000 r4:dfe3d000 [ 1329.186125][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.186168][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.186213][ T32] r5:84a2438c r4:84a24000 [ 1329.186238][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.186289][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.186337][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.186406][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.186431][ T32] r4:84ab5800 [ 1329.186452][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.186502][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.186527][ T32] r4:00000001 [ 1329.186635][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.186682][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.186741][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.186857][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.186891][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.186923][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.186948][ T32] r4:84ab0640 [ 1329.186969][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.186999][ T32] INFO: task kworker/1:302:3906 blocked for more than 455 seconds. [ 1329.187033][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.187059][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1329.187227][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1329.187649][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8d5e08 ** 7 printk messages dropped ** [ 1329.188056][ T32] r9:83018205 r8:8501c800 r7:00000000 r6:83018200 r5:00001000 r4:7f0e9000 ** 4 printk messages dropped ** [ 1329.188244][ T32] r5:84be8b8c r4:84be8800 ** 3 printk messages dropped ** [ 1329.188423][ T32] r10:61c88647 r9:8501c800 r8:8509f2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1329.188979][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.189040][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.189087][ T32] r4:850926c0 [ 1329.224901][ T32] INFO: task kworker/1:302:3906 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.225076][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.225173][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.225271][ T32] Call trace: [ 1329.225311][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.225392][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.225422][ T32] r4:00000000 [ 1329.225447][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.225497][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.225530][ T32] dd20: b38bd000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.225564][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.225594][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.225620][ T32] r5:800d0013 r4:80239bb0 [ 1329.225643][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.225690][ T32] r4:82ac21e4 [ 1329.225731][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.225784][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.225811][ T32] r4:e044ddc0 [ 1329.225834][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.225881][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.225906][ T32] r4:00000000 [ 1329.225929][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.225980][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.226005][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.226053][ T32] r5:00001000 r4:dfe3d000 [ 1329.226075][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.226120][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.226167][ T32] r5:84a2438c r4:84a24000 [ 1329.226191][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.226244][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.226269][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.226337][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.226389][ T32] r4:84ab5800 [ 1329.226416][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.226470][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.226496][ T32] r4:00000001 [ 1329.226518][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.226560][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.226590][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.226622][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.226651][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.226683][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.226709][ T32] r4:84ab0640 [ 1329.226734][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.226786][ T32] INFO: task kworker/1:303:3910 blocked for more than 455 seconds. [ 1329.226827][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.226854][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.226878][ T32] task:kworker/1:303 state:D stack:0 pid:3910 tgid:3910 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.226963][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.227011][ T32] Call trace: [ 1329.227064][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.227118][ T32] r10:8291a684 r9:ea971d84 r8:00000002 r7:60000013 r6:ea971d8c r5:85021800 [ 1329.227144][ T32] r4:85021800 [ 1329.227184][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.227239][ T32] r5:85021800 r4:8291a680 [ 1329.227315][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.227374][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.227438][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea971e08 [ 1329.227468][ T32] r4:00000000 [ 1329.227490][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.227608][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 2 printk messages dropped ** [ 1329.227725][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1329.227977][ T32] r5:84be8f8c r4:84be8c00 [ 1329.228014][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.228071][ T32] r7:ddde2d80 r6:83018200 r5:84be8f8c r4:8509f380 [ 1329.228096][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.228147][ T32] r10:61c88647 r9:85021800 r8:8509f3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.228172][ T32] r4:8509f380 [ 1329.228193][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.228243][ T32] r10:00000000 r9:8509f380 r8:80287e08 r7:ea945e60 r6:8509f400 r5:85021800 [ 1329.228268][ T32] r4:00000001 [ 1329.228289][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.228329][ T32] Exception stack(0xea971fb0 to 0xea971ff8) [ 1329.228364][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.228413][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.228533][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.228572][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.228597][ T32] r4:85092bc0 [ 1329.228911][ T32] INFO: task kworker/1:303:3910 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.228950][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.229016][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.229089][ T32] Call trace: [ 1329.229171][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.240603][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.240864][ T32] r4:00000000 [ 1329.240901][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.241069][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.241113][ T32] dd20: b38bd000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.241149][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.241281][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.241313][ T32] r5:800d0013 r4:80239bb0 [ 1329.241338][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.241408][ T32] r4:82ac21e4 [ 1329.241461][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.241515][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.241542][ T32] r4:e044ddc0 [ 1329.241594][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.241646][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.241671][ T32] r4:00000000 [ 1329.241694][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.241813][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 6 printk messages dropped ** [ 1329.242457][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 4 printk messages dropped ** [ 1329.242914][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1329.243599][ T32] INFO: task kworker/0:95:3912 blocked for more than 455 seconds. ** 7 printk messages dropped ** [ 1329.244394][ T32] r4:85043000 ** 4 printk messages dropped ** [ 1329.245063][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea951e08 ** 9 printk messages dropped ** [ 1329.245867][ T32] r5:00001000 r4:df9d3000 ** 2 printk messages dropped ** [ 1329.246117][ T32] r5:841d8b8c r4:841d8800 [ 1329.246145][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1329.246409][ T32] r4:8508c800 ** 2 printk messages dropped ** [ 1329.246532][ T32] r4:00000001 [ 1329.246617][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.246748][ T32] Exception stack(0xea951fb0 to 0xea951ff8) [ 1329.246871][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.246983][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.247196][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.247430][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.247550][ T32] r4:850ab100 [ 1329.248140][ T32] INFO: task kworker/0:95:3912 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.248184][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.248340][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.248405][ T32] Call trace: [ 1329.248613][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.248683][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.248710][ T32] r4:00000000 [ 1329.248733][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.248824][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.248869][ T32] dd20: b38bd000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.248903][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.248930][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.248957][ T32] r5:800d0013 r4:80239bb0 [ 1329.248980][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.249026][ T32] r4:82ac21e4 [ 1329.249073][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.249168][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.249199][ T32] r4:e044ddc0 [ 1329.249238][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.272764][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.272909][ T32] r4:00000000 [ 1329.272980][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.273073][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.273194][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.273255][ T32] r5:00001000 r4:dfe3d000 [ 1329.273279][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.273324][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.273502][ T32] r5:84a2438c r4:84a24000 [ 1329.273535][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.273592][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.273616][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.273669][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.273720][ T32] r4:84ab5800 [ 1329.273749][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.273803][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 2 printk messages dropped ** [ 1329.273892][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1329.274341][ T32] INFO: task kworker/1:304:3914 blocked for more than 455 seconds. ** 9 printk messages dropped ** [ 1329.275049][ T32] r5:85041800 r4:8291a680 ** 5 printk messages dropped ** [ 1329.275299][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 1 printk messages dropped ** [ 1329.275397][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85095840 [ 1329.275538][ T32] r4:00000000 [ 1329.275617][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.275723][ T32] r9:83018205 r8:85041800 r7:00000000 r6:83018200 r5:00001000 r4:7f035000 [ 1329.275771][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.275857][ T32] r5:00001000 r4:dfd43000 [ 1329.275906][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.275987][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.276079][ T32] r5:84be9b8c r4:84be9800 [ 1329.276132][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.276246][ T32] r7:ddde2d80 r6:83018200 r5:84be9b8c r4:8509f480 [ 1329.276314][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.276432][ T32] r10:61c88647 r9:85041800 r8:8509f4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.276482][ T32] r4:8509f480 [ 1329.276555][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.276661][ T32] r10:00000000 r9:8509f480 r8:80287e08 r7:ea945e60 r6:8508c900 r5:85041800 [ 1329.276715][ T32] r4:00000001 [ 1329.276774][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.276859][ T32] Exception stack(0xea965fb0 to 0xea965ff8) [ 1329.276921][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.276987][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.277048][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.277096][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.277125][ T32] r4:85092e00 [ 1329.277852][ T32] INFO: task kworker/1:304:3914 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.277947][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.278114][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.278248][ T32] Call trace: [ 1329.278378][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.278510][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.278570][ T32] r4:00000000 [ 1329.278646][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.278787][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.278891][ T32] dd20: b3b75000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.278994][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.279074][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.279154][ T32] r5:800d0013 r4:80239bb0 [ 1329.279184][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.279277][ T32] r4:82ac21e4 [ 1329.279327][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.304889][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.305040][ T32] r4:e044ddc0 [ 1329.305074][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.305156][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.305182][ T32] r4:00000000 [ 1329.305224][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.305362][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.305409][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.305569][ T32] r5:00001000 r4:dfe3d000 [ 1329.305604][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1329.306046][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1329.306358][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1329.307202][ T32] r10:8291a684 r9:e05f9d84 r8:00000002 r7:60000113 r6:e05f9d8c r5:85044800 ** 6 printk messages dropped ** [ 1329.307466][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1329.307829][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1329.307994][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1329.308082][ T32] r5:841d8f8c r4:841d8c00 ** 3 printk messages dropped ** [ 1329.308327][ T32] r10:61c88647 r9:85044800 r8:8509f52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1329.308823][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1329.325404][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1329.325939][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1329.326281][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 8 printk messages dropped ** [ 1329.326726][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.326784][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.326809][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.326869][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.326895][ T32] r4:84ab5800 [ 1329.326917][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.326967][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.326992][ T32] r4:00000001 [ 1329.327015][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.327093][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.327136][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.327168][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.327197][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.327231][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.327258][ T32] r4:84ab0640 [ 1329.327301][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.327341][ T32] INFO: task kworker/1:306:3920 blocked for more than 455 seconds. [ 1329.327421][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.327454][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.327585][ T32] task:kworker/1:306 state:D stack:0 pid:3920 tgid:3920 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.327706][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.327767][ T32] Call trace: [ 1329.327803][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.327857][ T32] r10:8291a684 r9:ea97dd84 r8:00000002 r7:60000013 r6:ea97dd8c r5:85045400 [ 1329.327882][ T32] r4:85045400 [ 1329.327919][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.328157][ T32] r5:85045400 r4:8291a680 [ 1329.328184][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.328273][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.328326][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea97de08 [ 1329.328351][ T32] r4:00000000 [ 1329.328395][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.328483][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.328550][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.328672][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85095100 [ 1329.328706][ T32] r4:00000000 [ 1329.328730][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.328847][ T32] r9:83018205 r8:85045400 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 [ 1329.328877][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.328924][ T32] r5:00001000 r4:dfaa9000 [ 1329.328947][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.328989][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.329039][ T32] r5:84be978c r4:84be9400 [ 1329.329061][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.329110][ T32] r7:ddde2d80 r6:83018200 r5:84be978c r4:8509f580 [ 1329.329133][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.329183][ T32] r10:61c88647 r9:85045400 r8:8509f5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.329208][ T32] r4:8509f580 [ 1329.329228][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.350311][ T32] r10:00000000 r9:8509f580 r8:80287e08 r7:ea965e60 r6:8508ca00 r5:85045400 [ 1329.350374][ T32] r4:00000001 [ 1329.350421][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.350495][ T32] Exception stack(0xea97dfb0 to 0xea97dff8) [ 1329.350532][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.350582][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.350624][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.350688][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.350746][ T32] r4:84b6fe80 [ 1329.351316][ T32] INFO: task kworker/1:306:3920 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.351374][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.351477][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.351600][ T32] Call trace: [ 1329.351639][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.351729][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.351774][ T32] r4:00000000 [ 1329.351801][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.351850][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.351881][ T32] dd20: b4060000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.351913][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.351940][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.351995][ T32] r5:800d0013 r4:80239bb0 [ 1329.352025][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.352101][ T32] r4:82ac21e4 [ 1329.352129][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.352180][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.352205][ T32] r4:e044ddc0 [ 1329.352233][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.352283][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.352308][ T32] r4:00000000 [ 1329.352329][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.352390][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.352416][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.352464][ T32] r5:00001000 r4:dfe3d000 [ 1329.352532][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.352640][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.352752][ T32] r5:84a2438c r4:84a24000 [ 1329.352810][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.352869][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.352914][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.353020][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.353054][ T32] r4:84ab5800 [ 1329.353077][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.353149][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.353209][ T32] r4:00000001 [ 1329.353235][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.353276][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.353306][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.353337][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.353366][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1329.353561][ T32] INFO: task kworker/0:96:3923 blocked for more than 455 seconds. [ 1329.353608][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.353639][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.353663][ T32] task:kworker/0:96 state:D stack:0 pid:3923 tgid:3923 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.353715][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.353764][ T32] Call trace: [ 1329.353797][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.353994][ T32] r10:8291a684 r9:e0621d84 r8:00000002 r7:60000013 r6:e0621d8c r5:85046000 [ 1329.354026][ T32] r4:85046000 [ 1329.354052][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.354104][ T32] r5:85046000 r4:8291a680 [ 1329.354126][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.354196][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.354343][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0621e08 [ 1329.354385][ T32] r4:00000000 [ 1329.354431][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.354476][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.354516][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.354561][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850ab840 [ 1329.354586][ T32] r4:00000000 [ 1329.354607][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.354656][ T32] r9:83018005 r8:85046000 r7:00000000 r6:83018000 r5:00001000 r4:7f02b000 ** 4 printk messages dropped ** [ 1329.354925][ T32] r5:841d878c r4:841d8400 [ 1329.354953][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1329.355137][ T32] r10:61c88647 r9:85046000 r8:8508caac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1329.355659][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1329.356341][ T32] Call trace: ** 6 printk messages dropped ** [ 1329.356855][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1329.357264][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1329.358158][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1329.358747][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1329.359060][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1329.359272][ T32] r4:84ab0640 [ 1329.386693][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.386768][ T32] INFO: task kworker/0:97:3925 blocked for more than 455 seconds. [ 1329.386818][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.386848][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.386874][ T32] task:kworker/0:97 state:D stack:0 pid:3925 tgid:3925 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.386949][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.387024][ T32] Call trace: [ 1329.387062][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.387126][ T32] r10:8291a684 r9:e0661d84 r8:00000002 r7:60000113 r6:e0661d8c r5:85020c00 [ 1329.387153][ T32] r4:85020c00 [ 1329.387194][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.387316][ T32] r5:85020c00 r4:8291a680 [ 1329.387349][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.387431][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.387483][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0661e08 [ 1329.387507][ T32] r4:00000000 [ 1329.387530][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.387568][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.387640][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.387694][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850ab940 [ 1329.387720][ T32] r4:00000000 [ 1329.387744][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.387797][ T32] r9:83018005 r8:85020c00 r7:00000000 r6:83018000 r5:00001000 r4:7f02d000 [ 1329.387849][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.387962][ T32] r5:00001000 r4:dfa2f000 [ 1329.388075][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.388157][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.388211][ T32] r5:850e038c r4:850e0000 [ 1329.388235][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.388293][ T32] r7:dddced80 r6:83018000 r5:850e038c r4:8508cb80 [ 1329.388319][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.388430][ T32] r10:61c88647 r9:85020c00 r8:8508cbac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.388490][ T32] r4:8508cb80 [ 1329.388545][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.388660][ T32] r10:00000000 r9:8508cb80 r8:80287e08 r7:e0621e60 r6:8509f600 r5:85020c00 [ 1329.388743][ T32] r4:00000001 [ 1329.388772][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.388816][ T32] Exception stack(0xe0661fb0 to 0xe0661ff8) [ 1329.388868][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.388905][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.388935][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.388968][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.388994][ T32] r4:850ab900 [ 1329.397298][ T32] INFO: task kworker/0:97:3925 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.397499][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.397606][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.397697][ T32] Call trace: [ 1329.397777][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.397852][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.397879][ T32] r4:00000000 [ 1329.397903][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.397950][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 2 printk messages dropped ** [ 1329.398068][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1329.398404][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1329.398723][ T32] r5:00001000 r4:dfe3d000 ** 6 printk messages dropped ** [ 1329.399026][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1329.406974][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1329.407555][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1329.408138][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1329.408667][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1329.408846][ T32] r5:850e078c r4:850e0400 [ 1329.408874][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.408930][ T32] r7:dddced80 r6:83018000 r5:850e078c r4:8508cc00 [ 1329.408953][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.409032][ T32] r10:61c88647 r9:85023000 r8:8508cc2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.409111][ T32] r4:8508cc00 [ 1329.409160][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.409259][ T32] r10:00000000 r9:8508cc00 r8:80287e08 r7:e0661e60 r6:8509f680 r5:85023000 [ 1329.409287][ T32] r4:00000001 [ 1329.409361][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.423965][ T32] Exception stack(0xe46d5fb0 to 0xe46d5ff8) [ 1329.424053][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.424091][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.424120][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.424157][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.424364][ T32] r4:850abb80 [ 1329.424927][ T32] INFO: task kworker/0:98:3926 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.425019][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.425126][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.425237][ T32] Call trace: [ 1329.425402][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.425579][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.425614][ T32] r4:00000000 [ 1329.425638][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.425690][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.425722][ T32] dd20: b45bf000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.425754][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.425784][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.425811][ T32] r5:800d0013 r4:80239bb0 [ 1329.425924][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.425980][ T32] r4:82ac21e4 [ 1329.426004][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.426052][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.426137][ T32] r4:e044ddc0 [ 1329.426165][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.426356][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.426397][ T32] r4:00000000 [ 1329.426440][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.426578][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.426705][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.426826][ T32] r5:00001000 r4:dfe3d000 [ 1329.426855][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.426906][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.426953][ T32] r5:84a2438c r4:84a24000 [ 1329.426977][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.427135][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.427260][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.427324][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.427386][ T32] r4:84ab5800 [ 1329.427508][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.427577][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.427603][ T32] r4:00000001 [ 1329.427623][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.427835][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.428058][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.428349][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.428466][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 2 printk messages dropped ** [ 1329.428689][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 11 printk messages dropped ** [ 1329.444266][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1329.444817][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1329.445189][ T32] r5:850e0b8c r4:850e0800 [ 1329.445218][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1329.445395][ T32] r10:61c88647 r9:85023c00 r8:8508ccac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1329.445947][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1329.446799][ T32] Call trace: ** 6 printk messages dropped ** [ 1329.447207][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1329.447646][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 12 printk messages dropped ** [ 1329.448463][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1329.448630][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1329.448840][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1329.449132][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1329.470467][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8719e08 ** 4 printk messages dropped ** [ 1329.470645][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850aa340 [ 1329.470670][ T32] r4:00000000 [ 1329.470691][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.470741][ T32] r9:83018005 r8:85020000 r7:00000000 r6:83018000 r5:00001000 r4:7f05f000 [ 1329.470781][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.470839][ T32] r5:00001000 r4:e46db000 [ 1329.470893][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.470943][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.470991][ T32] r5:850e1b8c r4:850e1800 [ 1329.471015][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.471070][ T32] r7:dddced80 r6:83018000 r5:850e1b8c r4:8508cd00 [ 1329.471094][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.471144][ T32] r10:61c88647 r9:85020000 r8:8508cd2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.471169][ T32] r4:8508cd00 [ 1329.471220][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.471307][ T32] r10:00000000 r9:8508cd00 r8:80287e08 r7:e870de60 r6:8509f780 r5:85020000 [ 1329.471338][ T32] r4:00000001 [ 1329.471364][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.471431][ T32] Exception stack(0xe8719fb0 to 0xe8719ff8) [ 1329.471467][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1329.471502][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.471552][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.471601][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.471630][ T32] r4:850abac0 [ 1329.472181][ T32] INFO: task kworker/0:100:3929 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.472228][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.472416][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.472591][ T32] Call trace: [ 1329.472663][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.472756][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.472846][ T32] r4:00000000 [ 1329.472916][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.472967][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.473058][ T32] dd20: b4863000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.473095][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.473181][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.473211][ T32] r5:800d0013 r4:80239bb0 [ 1329.473234][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.473280][ T32] r4:82ac21e4 [ 1329.473303][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.473349][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.473391][ T32] r4:e044ddc0 [ 1329.473418][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.473464][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.473491][ T32] r4:00000000 [ 1329.473533][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.473587][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.473612][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.473658][ T32] r5:00001000 r4:dfe3d000 [ 1329.473707][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.473772][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.473824][ T32] r5:84a2438c r4:84a24000 [ 1329.473897][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.474042][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.474133][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.474190][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.474217][ T32] r4:84ab5800 [ 1329.474257][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.474354][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.474429][ T32] r4:00000001 [ 1329.474473][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.474546][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.474601][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.474681][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.474742][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.474800][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.474849][ T32] r4:84ab0640 [ 1329.474893][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.474983][ T32] INFO: task kworker/0:101:3930 blocked for more than 455 seconds. [ 1329.475060][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.475150][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.475207][ T32] task:kworker/0:101 state:D stack:0 pid:3930 tgid:3930 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.475309][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.475450][ T32] Call trace: [ 1329.475545][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 1 printk messages dropped ** [ 1329.475697][ T32] r4:85024800 ** 4 printk messages dropped ** [ 1329.476127][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8725e08 ** 10 printk messages dropped ** [ 1329.476748][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1329.476903][ T32] r5:850e0f8c r4:850e0c00 ** 2 printk messages dropped ** [ 1329.477007][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1329.477403][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1329.478214][ T32] Call trace: ** 6 printk messages dropped ** [ 1329.478624][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 5 printk messages dropped ** [ 1329.478849][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 11 printk messages dropped ** [ 1329.505581][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1329.506253][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1329.506479][ T32] INFO: task kworker/1:307:3931 blocked for more than 455 seconds. [ 1329.506522][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.506550][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.506577][ T32] task:kworker/1:307 state:D stack:0 pid:3931 tgid:3931 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.506717][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.506776][ T32] Call trace: [ 1329.506813][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.506906][ T32] r10:8291a684 r9:e8731d84 r8:00000002 r7:60000013 r6:e8731d8c r5:85025400 [ 1329.506937][ T32] r4:85025400 [ 1329.506959][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.507006][ T32] r5:85025400 r4:8291a680 [ 1329.507029][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.507114][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.507167][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8731e08 [ 1329.507249][ T32] r4:00000000 [ 1329.507329][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.507399][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.507475][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.507529][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85095b80 [ 1329.507555][ T32] r4:00000000 [ 1329.507576][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.507650][ T32] r9:83018205 r8:85025400 r7:00000000 r6:83018200 r5:00001000 r4:7f039000 [ 1329.507679][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.507756][ T32] r5:00001000 r4:dfe33000 [ 1329.507782][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.507922][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.507973][ T32] r5:84bea38c r4:84bea000 [ 1329.508007][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.508085][ T32] r7:ddde2d80 r6:83018200 r5:84bea38c r4:8509f880 [ 1329.508141][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.508227][ T32] r10:61c88647 r9:85025400 r8:8509f8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.508256][ T32] r4:8509f880 [ 1329.508306][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.508362][ T32] r10:00000000 r9:8509f880 r8:80287e08 r7:ea965e60 r6:8509f900 r5:85025400 [ 1329.508392][ T32] r4:00000001 [ 1329.508413][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.508452][ T32] Exception stack(0xe8731fb0 to 0xe8731ff8) [ 1329.508480][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.508532][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.508563][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.508624][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.508655][ T32] r4:85095700 [ 1329.509192][ T32] INFO: task kworker/1:307:3931 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.509412][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.521513][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.521716][ T32] Call trace: [ 1329.521811][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.521958][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.522034][ T32] r4:00000000 [ 1329.522090][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.522187][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.522251][ T32] dd20: b4b40000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.522314][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.522406][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.522493][ T32] r5:800d0013 r4:80239bb0 [ 1329.522566][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.522674][ T32] r4:82ac21e4 [ 1329.522725][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.522838][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.522871][ T32] r4:e044ddc0 [ 1329.522907][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.522959][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.522985][ T32] r4:00000000 [ 1329.523007][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.523061][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.523085][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.523134][ T32] r5:00001000 r4:dfe3d000 [ 1329.523157][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.523199][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.523246][ T32] r5:84a2438c r4:84a24000 [ 1329.523298][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.523387][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.523452][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.523512][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.523538][ T32] r4:84ab5800 [ 1329.523560][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.523634][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.523674][ T32] r4:00000001 [ 1329.523700][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.523741][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.523771][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.523802][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.523830][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.523860][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.523940][ T32] r4:84ab0640 [ 1329.524000][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.524068][ T32] INFO: task kworker/1:308:3934 blocked for more than 455 seconds. [ 1329.524125][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.524158][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.524186][ T32] task:kworker/1:308 state:D stack:0 pid:3934 tgid:3934 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.524239][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.524342][ T32] Call trace: [ 1329.524415][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.524470][ T32] r10:8291a684 r9:e873dd84 r8:00000002 r7:60000013 r6:e873dd8c r5:85026c00 [ 1329.524497][ T32] r4:85026c00 [ 1329.524567][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.524624][ T32] r5:85026c00 r4:8291a680 [ 1329.524749][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.524801][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.524878][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e873de08 [ 1329.524951][ T32] r4:00000000 [ 1329.525064][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.525111][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 5 printk messages dropped ** [ 1329.525353][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1329.525521][ T32] r5:84be9f8c r4:84be9c00 [ 1329.525578][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1329.525967][ T32] r10:00000000 r9:8509f980 r8:80287e08 r7:e8731e60 r6:8509fa00 r5:85026c00 ** 8 printk messages dropped ** [ 1329.526805][ T32] INFO: task kworker/1:308:3934 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 10 printk messages dropped ** [ 1329.527523][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1329.527867][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1329.528680][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 9 printk messages dropped ** [ 1329.529174][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1329.560944][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 5 printk messages dropped ** [ 1329.561350][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1329.561995][ T32] r4:85006000 ** 4 printk messages dropped ** [ 1329.562352][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e874de08 ** 5 printk messages dropped ** [ 1329.562642][ T32] r4:00000000 [ 1329.562678][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.562753][ T32] r9:83018205 r8:85006000 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 [ 1329.562783][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.562831][ T32] r5:00001000 r4:dffc7000 [ 1329.562853][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.562896][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.562941][ T32] r5:84beaf8c r4:84beac00 [ 1329.562991][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.563055][ T32] r7:ddde2d80 r6:83018200 r5:84beaf8c r4:8509fa80 [ 1329.563106][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.563196][ T32] r10:61c88647 r9:85006000 r8:8509faac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.563255][ T32] r4:8509fa80 [ 1329.563281][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.563361][ T32] r10:00000000 r9:8509fa80 r8:80287e08 r7:e8731e60 r6:8509fb00 r5:85006000 [ 1329.563397][ T32] r4:00000001 [ 1329.563460][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.563505][ T32] Exception stack(0xe874dfb0 to 0xe874dff8) [ 1329.563585][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.563623][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.563683][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.563719][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.563744][ T32] r4:85095a80 [ 1329.564231][ T32] INFO: task kworker/1:309:3935 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.564277][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.564369][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.564497][ T32] Call trace: [ 1329.564555][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.564642][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.564702][ T32] r4:00000000 [ 1329.564730][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.564781][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.564811][ T32] dd20: b4f03000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.564872][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.564988][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.565019][ T32] r5:800d0013 r4:80239bb0 [ 1329.565045][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.565094][ T32] r4:82ac21e4 [ 1329.565144][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.565197][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.565225][ T32] r4:e044ddc0 [ 1329.565247][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.565292][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.565316][ T32] r4:00000000 [ 1329.565336][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.565399][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.565426][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.565474][ T32] r5:00001000 r4:dfe3d000 [ 1329.565498][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.565543][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.565633][ T32] r5:84a2438c r4:84a24000 [ 1329.565672][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.565727][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.565751][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.565935][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.565966][ T32] r4:84ab5800 [ 1329.565988][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.566066][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.566098][ T32] r4:00000001 [ 1329.566120][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.566160][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.566189][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.566220][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.566248][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.566305][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.566368][ T32] r4:84ab0640 [ 1329.566408][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.566456][ T32] INFO: task kworker/0:102:3938 blocked for more than 455 seconds. [ 1329.566520][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.566593][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.566653][ T32] task:kworker/0:102 state:D stack:0 pid:3938 tgid:3938 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.566776][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.566885][ T32] Call trace: [ 1329.566978][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.567093][ T32] r10:8291a684 r9:e8759d84 r8:00000002 r7:60000113 r6:e8759d8c r5:85026000 ** 2 printk messages dropped ** [ 1329.567305][ T32] r5:85026000 r4:8291a680 ** 5 printk messages dropped ** [ 1329.567752][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1329.568402][ T32] r5:850e178c r4:850e1400 [ 1329.568426][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1329.568761][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1329.568911][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1329.594448][ T32] Call trace: ** 6 printk messages dropped ** [ 1329.594916][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 5 printk messages dropped ** [ 1329.595148][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.595173][ T32] r4:e044ddc0 [ 1329.595194][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.595237][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.595276][ T32] r4:00000000 [ 1329.595303][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.595357][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.595389][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.595436][ T32] r5:00001000 r4:dfe3d000 [ 1329.595485][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.595535][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.595582][ T32] r5:84a2438c r4:84a24000 [ 1329.595604][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.595656][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.595681][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.595733][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.595758][ T32] r4:84ab5800 [ 1329.595778][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.595829][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.595854][ T32] r4:00000001 [ 1329.595881][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.595923][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.595951][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.596029][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.596090][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.596126][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.596151][ T32] r4:84ab0640 [ 1329.596176][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.596232][ T32] INFO: task kworker/1:310:3940 blocked for more than 456 seconds. [ 1329.596274][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.596318][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 5 printk messages dropped ** [ 1329.596643][ T32] r4:85118c00 ** 4 printk messages dropped ** [ 1329.596960][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8771e08 ** 4 printk messages dropped ** [ 1329.597243][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85095e80 ** 7 printk messages dropped ** [ 1329.597611][ T32] r5:84bea78c r4:84bea400 [ 1329.597635][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1329.597803][ T32] r4:8509fc00 ** 7 printk messages dropped ** [ 1329.598165][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1329.598977][ T32] Call trace: ** 4 printk messages dropped ** [ 1329.609923][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1329.610750][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1329.611362][ T32] r5:00001000 r4:dfe3d000 ** 6 printk messages dropped ** [ 1329.611932][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1329.612618][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1329.613287][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1329.613644][ T32] r10:8291a684 r9:e8765d84 r8:00000002 r7:60000013 r6:e8765d8c r5:85119800 [ 1329.613729][ T32] r4:85119800 [ 1329.613781][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.613877][ T32] r5:85119800 r4:8291a680 [ 1329.613923][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.614012][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.614110][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8765e08 [ 1329.614160][ T32] r4:00000000 [ 1329.614200][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.614281][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.614362][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.614468][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850950c0 [ 1329.614525][ T32] r4:00000000 [ 1329.614614][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.614722][ T32] r9:83018205 r8:85119800 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000 [ 1329.614787][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.614881][ T32] r5:00001000 r4:dfeaf000 [ 1329.614934][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.615020][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.615110][ T32] r5:84beab8c r4:84bea800 [ 1329.615158][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.615256][ T32] r7:ddde2d80 r6:83018200 r5:84beab8c r4:8509fd00 [ 1329.615317][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.615427][ T32] r10:61c88647 r9:85119800 r8:8509fd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.615480][ T32] r4:8509fd00 [ 1329.615551][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.615656][ T32] r10:00000000 r9:8509fd00 r8:80287e08 r7:e874de60 r6:8509fd80 r5:85119800 [ 1329.615707][ T32] r4:00000001 [ 1329.615754][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.615832][ T32] Exception stack(0xe8765fb0 to 0xe8765ff8) [ 1329.615886][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.615952][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.616007][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.616085][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.616155][ T32] r4:85095e40 [ 1329.617083][ T32] INFO: task kworker/1:311:3941 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.617168][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.617333][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.617470][ T32] Call trace: [ 1329.617550][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.617702][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.617789][ T32] r4:00000000 [ 1329.617845][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.617937][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.618015][ T32] dd20: b5202000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.618096][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.618160][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.618213][ T32] r5:800d0013 r4:80239bb0 [ 1329.618326][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.618431][ T32] r4:82ac21e4 [ 1329.618482][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.618574][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.618625][ T32] r4:e044ddc0 [ 1329.618707][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.618804][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.618858][ T32] r4:00000000 [ 1329.618900][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.619017][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.619075][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.619168][ T32] r5:00001000 r4:dfe3d000 [ 1329.619212][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.660560][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.660876][ T32] r5:84a2438c r4:84a24000 [ 1329.660934][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.661064][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.661123][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.661243][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.661300][ T32] r4:84ab5800 [ 1329.661411][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.661525][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.661581][ T32] r4:00000001 [ 1329.661642][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.661732][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.661832][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.661914][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.661973][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.662041][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.662094][ T32] r4:84ab0640 [ 1329.662143][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.662215][ T32] INFO: task kworker/1:312:3945 blocked for more than 456 seconds. [ 1329.662292][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.662349][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.662508][ T32] task:kworker/1:312 state:D stack:0 pid:3945 tgid:3945 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.662671][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.662774][ T32] Call trace: [ 1329.662872][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.662987][ T32] r10:8291a684 r9:ea78dd84 r8:00000002 r7:60000113 r6:ea78dd8c r5:85118000 [ 1329.663071][ T32] r4:85118000 [ 1329.663135][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.663371][ T32] r5:85118000 r4:8291a680 [ 1329.663461][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.663605][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.663719][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea78de08 [ 1329.663774][ T32] r4:00000000 [ 1329.663826][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.663908][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.664001][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.664096][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85090480 [ 1329.664147][ T32] r4:00000000 [ 1329.664198][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.664334][ T32] r9:83018205 r8:85118000 r7:00000000 r6:83018200 r5:00001000 r4:7f045000 [ 1329.664403][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.664539][ T32] r5:00001000 r4:e031d000 [ 1329.664593][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.664695][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.664807][ T32] r5:84beb78c r4:84beb400 [ 1329.664906][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.665228][ T32] r7:ddde2d80 r6:83018200 r5:84beb78c r4:8509fe00 [ 1329.665299][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.665405][ T32] r10:61c88647 r9:85118000 r8:8509fe2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.665504][ T32] r4:8509fe00 [ 1329.665597][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.665710][ T32] r10:00000000 r9:8509fe00 r8:80287e08 r7:e874de60 r6:8509fe80 r5:85118000 [ 1329.665764][ T32] r4:00000001 [ 1329.665806][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.665887][ T32] Exception stack(0xea78dfb0 to 0xea78dff8) [ 1329.665954][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.666014][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.666081][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.666144][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.666194][ T32] r4:850901c0 [ 1329.667052][ T32] INFO: task kworker/1:312:3945 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.667131][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.667347][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.667489][ T32] Call trace: [ 1329.667580][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.667701][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.667774][ T32] r4:00000000 [ 1329.667827][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.667917][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.667976][ T32] dd20: b5647000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.668042][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.668102][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.668153][ T32] r5:800d0013 r4:80239bb0 [ 1329.668278][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 3 printk messages dropped ** [ 1329.668606][ T32] r4:e044ddc0 ** 9 printk messages dropped ** [ 1329.685164][ T32] r5:84a2438c r4:84a24000 ** 6 printk messages dropped ** [ 1329.686088][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 10 printk messages dropped ** [ 1329.686894][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1329.687785][ T32] r4:8511b000 ** 5 printk messages dropped ** [ 1329.688302][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1329.688890][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1329.705915][ T32] r5:84beb38c r4:84beb000 ** 4 printk messages dropped ** [ 1329.706581][ T32] r4:8509ff00 ** 5 printk messages dropped ** [ 1329.706952][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1329.708225][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1329.708619][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.708670][ T32] r5:800d0013 r4:80239bb0 [ 1329.708700][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.708751][ T32] r4:82ac21e4 [ 1329.708775][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.708821][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.708846][ T32] r4:e044ddc0 [ 1329.708892][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.708943][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.709011][ T32] r4:00000000 [ 1329.709039][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.709092][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.709116][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.709167][ T32] r5:00001000 r4:dfe3d000 [ 1329.709281][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.709462][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.717586][ T32] r5:84a2438c r4:84a24000 [ 1329.717655][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.717771][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.717802][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.717861][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.717889][ T32] r4:84ab5800 [ 1329.717911][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.717964][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.717990][ T32] r4:00000001 [ 1329.718031][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.718113][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.718210][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.718248][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.718278][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.718401][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.718434][ T32] r4:84ab0640 [ 1329.718505][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.718560][ T32] INFO: task kworker/1:314:3948 blocked for more than 456 seconds. [ 1329.718602][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.718669][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.718719][ T32] task:kworker/1:314 state:D stack:0 pid:3948 tgid:3948 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.718850][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.718906][ T32] Call trace: [ 1329.718943][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.719028][ T32] r10:8291a684 r9:ea989d84 r8:00000002 r7:60000113 r6:ea989d8c r5:8511bc00 [ 1329.719143][ T32] r4:8511bc00 [ 1329.719174][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.719226][ T32] r5:8511bc00 r4:8291a680 [ 1329.719346][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.730494][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.730653][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea989e08 [ 1329.730684][ T32] r4:00000000 [ 1329.730736][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.730785][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.730830][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.730879][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85090600 [ 1329.731001][ T32] r4:00000000 [ 1329.731030][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.731226][ T32] r9:83018205 r8:8511bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.731285][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1329.731559][ T32] r5:84bebb8c r4:84beb800 [ 1329.731582][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1329.731959][ T32] r10:00000000 r9:85091000 r8:80287e08 r7:ea78de60 r6:85091080 r5:8511bc00 ** 9 printk messages dropped ** [ 1329.732819][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1329.733463][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1329.733980][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1329.734429][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 5 printk messages dropped ** [ 1329.734698][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 10 printk messages dropped ** [ 1329.735476][ T32] r5:8511c800 r4:8291a680 ** 5 printk messages dropped ** [ 1329.735912][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1329.736794][ T32] r5:84bebf8c r4:84bebc00 ** 3 printk messages dropped ** [ 1329.736973][ T32] r10:61c88647 r9:8511c800 r8:8509112c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1329.737492][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1329.738193][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1329.738562][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1329.738830][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.738853][ T32] r4:00000000 [ 1329.738874][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.738923][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.738973][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.739087][ T32] r5:00001000 r4:dfe3d000 [ 1329.739188][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.739237][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.760588][ T32] r5:84a2438c r4:84a24000 [ 1329.760664][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.760761][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.760862][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.760964][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.760998][ T32] r4:84ab5800 [ 1329.761022][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.761126][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.761184][ T32] r4:00000001 [ 1329.761220][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.761266][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.761303][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.761335][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.761365][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.761397][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.761422][ T32] r4:84ab0640 [ 1329.761491][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.761533][ T32] INFO: task kworker/1:316:3953 blocked for more than 456 seconds. [ 1329.761574][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.761676][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.761710][ T32] task:kworker/1:316 state:D stack:0 pid:3953 tgid:3953 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.761785][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.761840][ T32] Call trace: [ 1329.761878][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.761945][ T32] r10:8291a684 r9:ea7b1d84 r8:00000002 r7:60000113 r6:ea7b1d8c r5:8511d400 [ 1329.761971][ T32] r4:8511d400 [ 1329.761993][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.762067][ T32] r5:8511d400 r4:8291a680 [ 1329.762095][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.762140][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.762187][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7b1e08 [ 1329.762212][ T32] r4:00000000 [ 1329.762233][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.762269][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.762339][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.762393][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850908c0 [ 1329.762448][ T32] r4:00000000 [ 1329.762502][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.762620][ T32] r9:83018205 r8:8511d400 r7:00000000 r6:83018200 r5:00001000 r4:7f04b000 [ 1329.762652][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.762705][ T32] r5:00001000 r4:e04ab000 [ 1329.762752][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.762810][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.762871][ T32] r5:8515c38c r4:8515c000 [ 1329.762895][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.762945][ T32] r7:ddde2d80 r6:83018200 r5:8515c38c r4:85091200 [ 1329.762967][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.763071][ T32] r10:61c88647 r9:8511d400 r8:8509122c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.763130][ T32] r4:85091200 [ 1329.763182][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.763239][ T32] r10:00000000 r9:85091200 r8:80287e08 r7:ea799e60 r6:85091280 r5:8511d400 [ 1329.763292][ T32] r4:00000001 [ 1329.763317][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.763384][ T32] Exception stack(0xea7b1fb0 to 0xea7b1ff8) [ 1329.763417][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.763449][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.763535][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.763585][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.763645][ T32] r4:850905c0 [ 1329.764119][ T32] INFO: task kworker/1:316:3953 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.764188][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.764351][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.764435][ T32] Call trace: [ 1329.764555][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 3 printk messages dropped ** [ 1329.764714][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1329.765059][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1329.765493][ T32] r5:84a2438c r4:84a24000 ** 6 printk messages dropped ** [ 1329.765830][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 8 printk messages dropped ** [ 1329.766188][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 10 printk messages dropped ** [ 1329.766837][ T32] r5:8511e000 r4:8291a680 ** 5 printk messages dropped ** [ 1329.767158][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1329.767658][ T32] r5:8515c78c r4:8515c400 ** 1 printk messages dropped ** [ 1329.767733][ T32] r7:ddde2d80 r6:83018200 r5:8515c78c r4:85091300 ** 5 printk messages dropped ** [ 1329.768097][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1329.768269][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1329.800728][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 9 printk messages dropped ** [ 1329.801141][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 11 printk messages dropped ** [ 1329.802199][ T32] r5:84a2438c r4:84a24000 ** 3 printk messages dropped ** [ 1329.802522][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.802549][ T32] r4:84ab5800 [ 1329.802592][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.802707][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.802849][ T32] r4:00000001 [ 1329.802904][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.802987][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.803073][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.803140][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.803199][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.803260][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.803307][ T32] r4:84ab0640 [ 1329.803397][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.803454][ T32] INFO: task kworker/1:318:3955 blocked for more than 456 seconds. [ 1329.803525][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.803559][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.803601][ T32] task:kworker/1:318 state:D stack:0 pid:3955 tgid:3955 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.803753][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.803858][ T32] Call trace: [ 1329.803943][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.804041][ T32] r10:8291a684 r9:ea7c1d84 r8:00000002 r7:60000013 r6:ea7c1d8c r5:8511a400 [ 1329.804092][ T32] r4:8511a400 [ 1329.804137][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.804228][ T32] r5:8511a400 r4:8291a680 [ 1329.804278][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.804427][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.804557][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7c1e08 [ 1329.804617][ T32] r4:00000000 [ 1329.804667][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.804766][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.804869][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.804972][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85090c80 [ 1329.805027][ T32] r4:00000000 [ 1329.805070][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.805192][ T32] r9:83018205 r8:8511a400 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 [ 1329.805272][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.805380][ T32] r5:00001000 r4:e05b3000 [ 1329.805437][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.805531][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.805656][ T32] r5:850e138c r4:850e1000 [ 1329.805707][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.805829][ T32] r7:ddde2d80 r6:83018200 r5:850e138c r4:85091400 [ 1329.805886][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.805998][ T32] r10:61c88647 r9:8511a400 r8:8509142c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.806107][ T32] r4:85091400 [ 1329.806191][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.806255][ T32] r10:00000000 r9:85091400 r8:80287e08 r7:ea7bde60 r6:85091480 r5:8511a400 [ 1329.806283][ T32] r4:00000001 [ 1329.806337][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.806399][ T32] Exception stack(0xea7c1fb0 to 0xea7c1ff8) [ 1329.806436][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.806469][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.806589][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.806637][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.806691][ T32] r4:85090840 [ 1329.807195][ T32] INFO: task kworker/1:318:3955 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.807238][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.807385][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.807446][ T32] Call trace: [ 1329.807589][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.807704][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.807803][ T32] r4:00000000 [ 1329.807830][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.807875][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.807907][ T32] dd20: b5f42000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.807940][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.807968][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.807994][ T32] r5:800d0013 r4:80239bb0 [ 1329.808046][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.808109][ T32] r4:82ac21e4 [ 1329.808133][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.808254][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.808286][ T32] r4:e044ddc0 [ 1329.808310][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 6 printk messages dropped ** [ 1329.809027][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1329.831262][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1329.831683][ T32] INFO: task kworker/1:319:3957 blocked for more than 456 seconds. ** 7 printk messages dropped ** [ 1329.832085][ T32] r4:85022400 ** 4 printk messages dropped ** [ 1329.832467][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7c9e08 ** 7 printk messages dropped ** [ 1329.832863][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f04f000 ** 4 printk messages dropped ** [ 1329.833078][ T32] r5:8515cb8c r4:8515c800 ** 3 printk messages dropped ** [ 1329.833278][ T32] r10:61c88647 r9:85022400 r8:8509152c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1329.833673][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1329.834552][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1329.834787][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1329.835193][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1329.835798][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 7 printk messages dropped ** [ 1329.836093][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 5 printk messages dropped ** [ 1329.836307][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 4 printk messages dropped ** [ 1329.836526][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.836596][ T32] Call trace: [ 1329.836643][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.836696][ T32] r10:8291a684 r9:ea7a5d84 r8:00000002 r7:60000113 r6:ea7a5d8c r5:85120c00 [ 1329.836721][ T32] r4:85120c00 [ 1329.836771][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.836858][ T32] r5:85120c00 r4:8291a680 [ 1329.836886][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.836947][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.836999][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7a5e08 [ 1329.837060][ T32] r4:00000000 [ 1329.837086][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.837124][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.837162][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.837205][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85085940 [ 1329.837230][ T32] r4:00000000 [ 1329.837251][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.837300][ T32] r9:83018205 r8:85120c00 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 [ 1329.837365][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.837417][ T32] r5:00001000 r4:e05cb000 [ 1329.837474][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.837523][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.837595][ T32] r5:8515cf8c r4:8515cc00 [ 1329.837628][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.837680][ T32] r7:ddde2d80 r6:83018200 r5:8515cf8c r4:85091600 [ 1329.837704][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.837754][ T32] r10:61c88647 r9:85120c00 r8:8509162c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.837779][ T32] r4:85091600 [ 1329.837855][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.837909][ T32] r10:00000000 r9:85091600 r8:80287e08 r7:ea7c1e60 r6:85091680 r5:85120c00 [ 1329.837934][ T32] r4:00000001 [ 1329.837982][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.838055][ T32] Exception stack(0xea7a5fb0 to 0xea7a5ff8) [ 1329.838087][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.838134][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.838168][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.838206][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.838245][ T32] r4:85090840 [ 1329.838695][ T32] INFO: task kworker/1:320:3960 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.838783][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.838965][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.839079][ T32] Call trace: [ 1329.839153][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.863909][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.864159][ T32] r4:00000000 [ 1329.864270][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.864361][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.864404][ T32] dd20: b6528000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.864438][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.864530][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.864617][ T32] r5:800d0013 r4:80239bb0 [ 1329.864658][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.864713][ T32] r4:82ac21e4 [ 1329.864822][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.864876][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 2 printk messages dropped ** [ 1329.864979][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 10 printk messages dropped ** [ 1329.865559][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1329.865754][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1329.865888][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1329.866076][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1329.866637][ T32] r4:85121800 ** 3 printk messages dropped ** [ 1329.866808][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1329.867063][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85090f80 ** 7 printk messages dropped ** [ 1329.867492][ T32] r5:8515d38c r4:8515d000 [ 1329.867514][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1329.867680][ T32] r10:61c88647 r9:85121800 r8:8509172c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1329.868081][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1329.868729][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1329.890432][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.890538][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.890578][ T32] r5:800d0013 r4:80239bb0 [ 1329.890657][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.890744][ T32] r4:82ac21e4 [ 1329.890769][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.890873][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.890907][ T32] r4:e044ddc0 [ 1329.891014][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.891087][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.891142][ T32] r4:00000000 [ 1329.891170][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.891232][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.891274][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.891335][ T32] r5:00001000 r4:dfe3d000 [ 1329.891360][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.891417][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.891471][ T32] r5:84a2438c r4:84a24000 [ 1329.891552][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.891628][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.891678][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.891738][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.891819][ T32] r4:84ab5800 [ 1329.891847][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.891902][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.891981][ T32] r4:00000001 [ 1329.892009][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.892074][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.892109][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.892140][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.892169][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.892202][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.892238][ T32] r4:84ab0640 [ 1329.892298][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.892341][ T32] INFO: task kworker/1:322:3964 blocked for more than 456 seconds. [ 1329.892383][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.892412][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.892468][ T32] task:kworker/1:322 state:D stack:0 pid:3964 tgid:3964 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.892599][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.892666][ T32] Call trace: [ 1329.892779][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1329.892863][ T32] r10:8291a684 r9:ea7e1d84 r8:00000002 r7:60000013 r6:ea7e1d8c r5:85122400 [ 1329.892900][ T32] r4:85122400 [ 1329.892926][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1329.892989][ T32] r5:85122400 r4:8291a680 [ 1329.893016][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.893084][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.893152][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7e1e08 [ 1329.893181][ T32] r4:00000000 [ 1329.893205][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1329.893244][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1329.893310][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.893390][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850a7180 [ 1329.893420][ T32] r4:00000000 [ 1329.893442][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.893492][ T32] r9:83018205 r8:85122400 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1329.893543][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.893597][ T32] r5:00001000 r4:e05ef000 [ 1329.893628][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.893673][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.893748][ T32] r5:8515d78c r4:8515d400 [ 1329.893777][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.893841][ T32] r7:ddde2d80 r6:83018200 r5:8515d78c r4:85091800 [ 1329.893913][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.893999][ T32] r10:61c88647 r9:85122400 r8:8509182c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.894029][ T32] r4:85091800 [ 1329.894080][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.894135][ T32] r10:00000000 r9:85091800 r8:80287e08 r7:ea7d5e60 r6:85091880 r5:85122400 [ 1329.894159][ T32] r4:00000001 [ 1329.894181][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.894221][ T32] Exception stack(0xea7e1fb0 to 0xea7e1ff8) [ 1329.894251][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.894285][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.894315][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.894347][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.894371][ T32] r4:85090a00 [ 1329.894942][ T32] INFO: task kworker/1:322:3964 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.894983][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.895097][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.895151][ T32] Call trace: [ 1329.895182][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 3 printk messages dropped ** [ 1329.895394][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 3 printk messages dropped ** [ 1329.895509][ T32] r5:800d0013 r4:80239bb0 ** 3 printk messages dropped ** [ 1329.895688][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1329.896148][ T32] r5:00001000 r4:dfe3d000 ** 3 printk messages dropped ** [ 1329.896353][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1329.896869][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 5 printk messages dropped ** [ 1329.897357][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1329.897822][ T32] task:kworker/1:323 state:D stack:0 pid:3965 tgid:3965 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1329.898733][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea995e08 ** 4 printk messages dropped ** [ 1329.898995][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850a7040 [ 1329.899065][ T32] r4:00000000 [ 1329.899110][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.899193][ T32] r9:83018205 r8:85123000 r7:00000000 r6:83018200 r5:00001000 r4:7f05b000 [ 1329.899319][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.925008][ T32] r5:00001000 r4:e0649000 [ 1329.925130][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.925243][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.925298][ T32] r5:8515db8c r4:8515d800 [ 1329.925339][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.925401][ T32] r7:ddde2d80 r6:83018200 r5:8515db8c r4:85091900 [ 1329.925428][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.925481][ T32] r10:61c88647 r9:85123000 r8:8509192c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.925506][ T32] r4:85091900 [ 1329.925529][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.925579][ T32] r10:00000000 r9:85091900 r8:80287e08 r7:ea7e1e60 r6:85091980 r5:85123000 [ 1329.925622][ T32] r4:00000001 [ 1329.925654][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.925701][ T32] Exception stack(0xea995fb0 to 0xea995ff8) [ 1329.925737][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.925769][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.925798][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.925831][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.925855][ T32] r4:850a7040 [ 1329.926361][ T32] INFO: task kworker/1:323:3965 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.926410][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.926534][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.926595][ T32] Call trace: [ 1329.926649][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.926742][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.926801][ T32] r4:00000000 [ 1329.926828][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.926874][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.926905][ T32] dd20: b699a000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.926937][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.926964][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.926989][ T32] r5:800d0013 r4:80239bb0 [ 1329.927014][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.927061][ T32] r4:82ac21e4 [ 1329.927085][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.927158][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.927206][ T32] r4:e044ddc0 [ 1329.927232][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.927279][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.927309][ T32] r4:00000000 [ 1329.927333][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.927405][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.927460][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.927542][ T32] r5:00001000 r4:dfe3d000 [ 1329.927587][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.927642][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.927693][ T32] r5:84a2438c r4:84a24000 [ 1329.927715][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.927767][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.927818][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.927876][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.927903][ T32] r4:84ab5800 [ 1329.927923][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.927973][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.928025][ T32] r4:00000001 [ 1329.928051][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.928090][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1329.928173][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.928211][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.928297][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.928360][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.928448][ T32] r4:84ab0640 [ 1329.928475][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.928551][ T32] INFO: task kworker/1:324:3969 blocked for more than 456 seconds. [ 1329.928613][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1329.928645][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.928669][ T32] task:kworker/1:324 state:D stack:0 pid:3969 tgid:3969 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1329.928938][ T32] r4:85124800 ** 4 printk messages dropped ** [ 1329.929152][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea99de08 ** 10 printk messages dropped ** [ 1329.951145][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1329.951362][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1329.951535][ T32] r10:61c88647 r9:85124800 r8:85091a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.951646][ T32] r4:85091a00 [ 1329.951679][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.951758][ T32] r10:00000000 r9:85091a00 r8:80287e08 r7:ea995e60 r6:85091a80 r5:85124800 [ 1329.951789][ T32] r4:00000001 [ 1329.951840][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.951932][ T32] Exception stack(0xea99dfb0 to 0xea99dff8) [ 1329.952017][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.952055][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.952114][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.952152][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.952179][ T32] r4:850a7280 [ 1329.952704][ T32] INFO: task kworker/1:324:3969 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.952748][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.952833][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.952888][ T32] Call trace: [ 1329.952923][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.953001][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.953035][ T32] r4:00000000 [ 1329.953087][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.953138][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.953169][ T32] dd20: b6b98000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.953203][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.953271][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.953306][ T32] r5:800d0013 r4:80239bb0 [ 1329.953332][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.953403][ T32] r4:82ac21e4 [ 1329.953430][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.953479][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.953524][ T32] r4:e044ddc0 [ 1329.953628][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.953726][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.953756][ T32] r4:00000000 [ 1329.953807][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.953872][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.953897][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.953947][ T32] r5:00001000 r4:dfe3d000 [ 1329.953970][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.954041][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.954139][ T32] r5:84a2438c r4:84a24000 [ 1329.954166][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.954222][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.954248][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.954298][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.954397][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1329.954703][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1329.955042][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1329.955865][ T32] r10:8291a684 r9:ea9a1d84 r8:00000002 r7:60000113 r6:ea9a1d8c r5:85123c00 ** 8 printk messages dropped ** [ 1329.956579][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1329.957434][ T32] r5:8515eb8c r4:8515e800 [ 1329.957486][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1329.957806][ T32] r10:61c88647 r9:85123c00 r8:85091b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1329.958451][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1329.982032][ T32] Call trace: ** 4 printk messages dropped ** [ 1329.982458][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1329.982780][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1329.983260][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1329.983719][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1329.984022][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1329.984669][ T32] r10:8291a684 r9:ea9a5d84 r8:00000002 r7:60000013 r6:ea9a5d8c r5:85126000 ** 8 printk messages dropped ** [ 1329.985074][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1329.985569][ T32] r5:00001000 r4:e46ef000 ** 2 printk messages dropped ** [ 1329.985719][ T32] r5:8515e38c r4:8515e000 ** 3 printk messages dropped ** [ 1329.985929][ T32] r10:61c88647 r9:85126000 r8:85091c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.985958][ T32] r4:85091c00 [ 1329.985981][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.986121][ T32] r10:00000000 r9:85091c00 r8:80287e08 r7:ea9a1e60 r6:85091c80 r5:85126000 [ 1329.986151][ T32] r4:00000001 [ 1329.986173][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.986240][ T32] Exception stack(0xea9a5fb0 to 0xea9a5ff8) [ 1329.986274][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.986398][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.986431][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.986491][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1329.986607][ T32] r4:850a7540 [ 1329.987103][ T32] INFO: task kworker/1:326:3972 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1329.987246][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.987317][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.987371][ T32] Call trace: [ 1329.987402][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1329.987459][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1329.987484][ T32] r4:00000000 [ 1329.987505][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.987546][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1329.987577][ T32] dd20: b6d83000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1329.987614][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1329.987643][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1329.987669][ T32] r5:800d0013 r4:80239bb0 [ 1329.987692][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.987736][ T32] r4:82ac21e4 [ 1329.987785][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.987896][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1329.987936][ T32] r4:e044ddc0 [ 1329.988017][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1329.988234][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1329.988264][ T32] r4:00000000 [ 1329.988287][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1329.988433][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1329.988462][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1329.988551][ T32] r5:00001000 r4:dfe3d000 [ 1329.988590][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1329.988646][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.988693][ T32] r5:84a2438c r4:84a24000 [ 1329.988757][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1329.988815][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1329.988840][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1329.989061][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.989092][ T32] r4:84ab5800 [ 1329.989141][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1329.989198][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1329.989347][ T32] r4:00000001 [ 1330.012953][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1330.013172][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.013202][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.013237][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.013264][ T32] r4:84ab0640 [ 1330.013290][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.013326][ T32] INFO: task kworker/0:103:3974 blocked for more than 456 seconds. [ 1330.013366][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.013395][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.013469][ T32] task:kworker/0:103 state:D stack:0 pid:3974 tgid:3974 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.013549][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.013634][ T32] Call trace: [ 1330.013676][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.013738][ T32] r10:8291a684 r9:ea9add84 r8:00000002 r7:60000113 r6:ea9add8c r5:85120000 [ 1330.013838][ T32] r4:85120000 [ 1330.013895][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.013949][ T32] r5:85120000 r4:8291a680 [ 1330.014000][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.014110][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.014222][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9ade08 [ 1330.014259][ T32] r4:00000000 [ 1330.014281][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.014323][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.014544][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.014638][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850aa680 [ 1330.014694][ T32] r4:00000000 [ 1330.014772][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.014885][ T32] r9:83018005 r8:85120000 r7:00000000 r6:83018000 r5:00001000 r4:7f0c5000 [ 1330.014959][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.015238][ T32] r5:00001000 r4:eaa45000 [ 1330.015306][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.015403][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.015517][ T32] r5:850e238c r4:850e2000 [ 1330.015593][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.015711][ T32] r7:dddced80 r6:83018000 r5:850e238c r4:8508ce80 [ 1330.015775][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 5 printk messages dropped ** [ 1330.016254][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1330.017731][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1330.018186][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1330.018551][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 11 printk messages dropped ** [ 1330.019025][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1330.039193][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1330.050336][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1330.050918][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1330.051752][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1330.052142][ T32] r5:8515e78c r4:8515e400 ** 3 printk messages dropped ** [ 1330.052542][ T32] r10:61c88647 r9:85125400 r8:85091dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1330.053317][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1330.054445][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 3 printk messages dropped ** [ 1330.054562][ T32] r5:800d0013 r4:80239bb0 [ 1330.054635][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.054688][ T32] r4:82ac21e4 [ 1330.054712][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.054781][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.054833][ T32] r4:e044ddc0 [ 1330.054858][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.054955][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.054985][ T32] r4:00000000 [ 1330.055007][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.055059][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.055084][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.055129][ T32] r5:00001000 r4:dfe3d000 [ 1330.055173][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.055222][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.055292][ T32] r5:84a2438c r4:84a24000 [ 1330.055318][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.055404][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.055437][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.055494][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.055542][ T32] r4:84ab5800 [ 1330.055590][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.055664][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.055715][ T32] r4:00000001 [ 1330.055740][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.055802][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.055845][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.055896][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.055960][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.056004][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.056033][ T32] r4:84ab0640 [ 1330.056056][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.056088][ T32] INFO: task kworker/1:328:3978 blocked for more than 456 seconds. [ 1330.056124][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.056175][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.056203][ T32] task:kworker/1:328 state:D stack:0 pid:3978 tgid:3978 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.056255][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.056350][ T32] Call trace: [ 1330.056455][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.056540][ T32] r10:8291a684 r9:ea999d84 r8:00000002 r7:60000113 r6:ea999d8c r5:85126c00 ** 4 printk messages dropped ** [ 1330.056762][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1330.057326][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1330.057540][ T32] r5:8515f78c r4:8515f400 [ 1330.057611][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1330.057920][ T32] r10:00000000 r9:85091e80 r8:80287e08 r7:ea9a1e60 r6:85091f00 r5:85126c00 ** 9 printk messages dropped ** [ 1330.058630][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1330.080195][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1330.080676][ T32] r5:84a2438c r4:84a24000 ** 6 printk messages dropped ** [ 1330.081075][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1330.081512][ T32] INFO: task kworker/0:104:3980 blocked for more than 456 seconds. ** 7 printk messages dropped ** [ 1330.081931][ T32] r4:8511ec00 ** 4 printk messages dropped ** [ 1330.082163][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7f5e08 ** 11 printk messages dropped ** [ 1330.082679][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1330.082879][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.082934][ T32] r10:61c88647 r9:8511ec00 r8:8508cf2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.082981][ T32] r4:8508cf00 [ 1330.083028][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.083081][ T32] r10:00000000 r9:8508cf00 r8:80287e08 r7:ea9ade60 r6:85091f80 r5:8511ec00 [ 1330.083130][ T32] r4:00000001 [ 1330.083155][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.083220][ T32] Exception stack(0xea7f5fb0 to 0xea7f5ff8) [ 1330.083255][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1330.083298][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.083330][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.083361][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.083423][ T32] r4:850aa440 [ 1330.083899][ T32] INFO: task kworker/0:104:3980 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.083938][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.084058][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.084107][ T32] Call trace: [ 1330.084162][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.084223][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.084249][ T32] r4:00000000 [ 1330.084294][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.084342][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.084373][ T32] dd20: b754d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.084414][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.084445][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.084471][ T32] r5:800d0013 r4:80239bb0 [ 1330.084497][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.084581][ T32] r4:82ac21e4 [ 1330.084615][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.084687][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.084716][ T32] r4:e044ddc0 [ 1330.084740][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.084787][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.084820][ T32] r4:00000000 [ 1330.084866][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.084928][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.084954][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.085104][ T32] r5:00001000 r4:dfe3d000 [ 1330.085196][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.085266][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.085314][ T32] r5:84a2438c r4:84a24000 [ 1330.085352][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.085448][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.085515][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.085595][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1330.085818][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 8 printk messages dropped ** [ 1330.086180][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 10 printk messages dropped ** [ 1330.086761][ T32] r5:845f8000 r4:8291a680 ** 2 printk messages dropped ** [ 1330.086916][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9b5e08 ** 10 printk messages dropped ** [ 1330.087323][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1330.087416][ T32] r5:8515ef8c r4:8515ec00 ** 1 printk messages dropped ** [ 1330.087487][ T32] r7:ddde2d80 r6:83018200 r5:8515ef8c r4:850a6000 ** 5 printk messages dropped ** [ 1330.087711][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1330.087998][ T32] r4:850a7e40 ** 3 printk messages dropped ** [ 1330.088578][ T32] Call trace: ** 6 printk messages dropped ** [ 1330.088831][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1330.089228][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 11 printk messages dropped ** [ 1330.108847][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1330.127853][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1330.128914][ T32] r10:8291a684 r9:ea9b1d84 r8:00000002 r7:60000113 r6:ea9b1d8c r5:845f8c00 ** 8 printk messages dropped ** [ 1330.129782][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1330.130344][ T32] r5:8515f38c r4:8515f000 [ 1330.130379][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1330.130644][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1330.130929][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1330.132034][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 2 printk messages dropped ** [ 1330.132181][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.132241][ T32] r5:800d0013 r4:80239bb0 [ 1330.132297][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.132387][ T32] r4:82ac21e4 [ 1330.132441][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.132613][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.132679][ T32] r4:e044ddc0 [ 1330.132738][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.132844][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.132976][ T32] r4:00000000 [ 1330.133039][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.133143][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.133241][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.133351][ T32] r5:00001000 r4:dfe3d000 [ 1330.133422][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.133525][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.133621][ T32] r5:84a2438c r4:84a24000 [ 1330.133727][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.133836][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.133894][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.133996][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.134050][ T32] r4:84ab5800 [ 1330.134093][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.134194][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.134256][ T32] r4:00000001 [ 1330.134334][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.134421][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.134481][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.134538][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.134599][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.134661][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.134718][ T32] r4:84ab0640 [ 1330.134798][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.134863][ T32] INFO: task kworker/1:331:3986 blocked for more than 456 seconds. [ 1330.134929][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.134985][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.135028][ T32] task:kworker/1:331 state:D stack:0 pid:3986 tgid:3986 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.135192][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.135338][ T32] Call trace: [ 1330.135445][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.135582][ T32] r10:8291a684 r9:ea9bdd84 r8:00000002 r7:60000013 r6:ea9bdd8c r5:845f9800 [ 1330.135651][ T32] r4:845f9800 [ 1330.135698][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.135914][ T32] r5:845f9800 r4:8291a680 [ 1330.136018][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.136155][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.136288][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9bde08 [ 1330.136383][ T32] r4:00000000 [ 1330.136449][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.136584][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.136703][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.136847][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850ae300 [ 1330.136919][ T32] r4:00000000 [ 1330.136973][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.137145][ T32] r9:83018205 r8:845f9800 r7:00000000 r6:83018200 r5:00001000 r4:7f0ab000 [ 1330.137215][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.137333][ T32] r5:00001000 r4:ea7e9000 [ 1330.137404][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.137537][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.137657][ T32] r5:8515fb8c r4:8515f800 [ 1330.137717][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.137818][ T32] r7:ddde2d80 r6:83018200 r5:8515fb8c r4:850a6200 [ 1330.137868][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.137967][ T32] r10:61c88647 r9:845f9800 r8:850a622c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.138016][ T32] r4:850a6200 [ 1330.138065][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.138184][ T32] r10:00000000 r9:850a6200 r8:80287e08 r7:ea999e60 r6:850a6280 r5:845f9800 [ 1330.138251][ T32] r4:00000001 [ 1330.138314][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.138423][ T32] Exception stack(0xea9bdfb0 to 0xea9bdff8) ** 1 printk messages dropped ** [ 1330.138553][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1330.164850][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1330.165650][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1330.166461][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1330.167294][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1330.167755][ T32] INFO: task kworker/1:332:3988 blocked for more than 456 seconds. ** 9 printk messages dropped ** [ 1330.168796][ T32] r5:845fa400 r4:8291a680 ** 5 printk messages dropped ** [ 1330.169309][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1330.191223][ T32] r5:8516838c r4:85168000 [ 1330.191273][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.191383][ T32] r7:ddde2d80 r6:83018200 r5:8516838c r4:850a6300 [ 1330.191438][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.191549][ T32] r10:61c88647 r9:845fa400 r8:850a632c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.191619][ T32] r4:850a6300 [ 1330.191683][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.191794][ T32] r10:00000000 r9:850a6300 r8:80287e08 r7:ea9bde60 r6:850a6380 r5:845fa400 [ 1330.191866][ T32] r4:00000001 [ 1330.191923][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.192011][ T32] Exception stack(0xea9c1fb0 to 0xea9c1ff8) [ 1330.192081][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1330.192149][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.192219][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.192280][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.192337][ T32] r4:850ae180 [ 1330.193145][ T32] INFO: task kworker/1:332:3988 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.193234][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.193402][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.193516][ T32] Call trace: [ 1330.193629][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.193770][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.193825][ T32] r4:00000000 [ 1330.193879][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.193972][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.194037][ T32] dd20: b820f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.194249][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.194351][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.194424][ T32] r5:800d0013 r4:80239bb0 [ 1330.194507][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.194652][ T32] r4:82ac21e4 [ 1330.194711][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.194812][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.194869][ T32] r4:e044ddc0 [ 1330.194915][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.195016][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.195074][ T32] r4:00000000 [ 1330.195121][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.195224][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.195294][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.195527][ T32] r5:00001000 r4:dfe3d000 [ 1330.195674][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.195780][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.195873][ T32] r5:84a2438c r4:84a24000 [ 1330.195923][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.195986][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.196018][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.196079][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.196175][ T32] r4:84ab5800 [ 1330.196230][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.196314][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.196358][ T32] r4:00000001 [ 1330.196398][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.196471][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.196571][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.196642][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.196705][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.196774][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.196827][ T32] r4:84ab0640 [ 1330.196898][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.197006][ T32] INFO: task kworker/1:333:3989 blocked for more than 456 seconds. [ 1330.197090][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.197148][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.197199][ T32] task:kworker/1:333 state:D stack:0 pid:3989 tgid:3989 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.197350][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.197469][ T32] Call trace: [ 1330.197571][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.197690][ T32] r10:8291a684 r9:ea9c5d84 r8:00000002 r7:60000113 r6:ea9c5d8c r5:845fb000 [ 1330.197743][ T32] r4:845fb000 [ 1330.197795][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.197926][ T32] r5:845fb000 r4:8291a680 [ 1330.197979][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.198071][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.198171][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9c5e08 [ 1330.198247][ T32] r4:00000000 [ 1330.198345][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.198447][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1330.199137][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.199335][ T32] r5:8515ff8c r4:8515fc00 ** 2 printk messages dropped ** [ 1330.226119][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1330.226957][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1330.228482][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1330.237130][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1330.237620][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 6 printk messages dropped ** [ 1330.237924][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.237973][ T32] r5:84a2438c r4:84a24000 [ 1330.237997][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.238067][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.238106][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.238162][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.238188][ T32] r4:84ab5800 [ 1330.238210][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.238261][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.238336][ T32] r4:00000001 [ 1330.238366][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.238446][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.238482][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.238514][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.238631][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.238728][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.238760][ T32] r4:84ab0640 [ 1330.238824][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.238877][ T32] INFO: task kworker/1:334:3992 blocked for more than 456 seconds. [ 1330.238918][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.238976][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.239007][ T32] task:kworker/1:334 state:D stack:0 pid:3992 tgid:3992 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.239079][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.239164][ T32] Call trace: [ 1330.239356][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.254180][ T32] r10:8291a684 r9:ea9d1d84 r8:00000002 r7:60000013 r6:ea9d1d8c r5:845fbc00 [ 1330.254302][ T32] r4:845fbc00 [ 1330.254339][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.254429][ T32] r5:845fbc00 r4:8291a680 [ 1330.254454][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.254499][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.254608][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9d1e08 [ 1330.254747][ T32] r4:00000000 [ 1330.254776][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.255062][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.255113][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.255163][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850ae7c0 [ 1330.255191][ T32] r4:00000000 [ 1330.255213][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.255266][ T32] r9:83018205 r8:845fbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b1000 [ 1330.255319][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.255566][ T32] r5:00001000 r4:ea9d9000 [ 1330.255597][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.255645][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.255734][ T32] r5:8516878c r4:85168400 [ 1330.255787][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.255845][ T32] r7:ddde2d80 r6:83018200 r5:8516878c r4:850a6500 ** 1 printk messages dropped ** [ 1330.255924][ T32] r10:61c88647 r9:845fbc00 r8:850a652c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1330.256419][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1330.258024][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1330.258575][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1330.259163][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1330.281061][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 11 printk messages dropped ** [ 1330.281764][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1330.282488][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1330.282800][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1330.283287][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850ae900 [ 1330.283314][ T32] r4:00000000 [ 1330.283335][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.283393][ T32] r9:83018205 r8:845fc800 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 [ 1330.283417][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.283556][ T32] r5:00001000 r4:ea9e5000 [ 1330.283674][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.283724][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.283771][ T32] r5:85168b8c r4:85168800 [ 1330.283792][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.283843][ T32] r7:ddde2d80 r6:83018200 r5:85168b8c r4:850a6600 [ 1330.283867][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.284006][ T32] r10:61c88647 r9:845fc800 r8:850a662c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.284128][ T32] r4:850a6600 [ 1330.284220][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.284317][ T32] r10:00000000 r9:850a6600 r8:80287e08 r7:ea9d1e60 r6:850a6680 r5:845fc800 [ 1330.284347][ T32] r4:00000001 [ 1330.284370][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.284473][ T32] Exception stack(0xea9ddfb0 to 0xea9ddff8) [ 1330.284588][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.284673][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.284714][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.284769][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.284800][ T32] r4:850ae640 [ 1330.285339][ T32] INFO: task kworker/1:335:3994 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.285403][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.285473][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.285582][ T32] Call trace: [ 1330.285639][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.285763][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.285829][ T32] r4:00000000 [ 1330.285856][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.285903][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.285966][ T32] dd20: b8941000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.286034][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.286122][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.286198][ T32] r5:800d0013 r4:80239bb0 [ 1330.286236][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.286286][ T32] r4:82ac21e4 [ 1330.286309][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.286356][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.286387][ T32] r4:e044ddc0 [ 1330.286409][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.286485][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 3 printk messages dropped ** [ 1330.286617][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1330.287018][ T32] r4:84ab5800 [ 1330.287041][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.287092][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.287117][ T32] r4:00000001 [ 1330.287138][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.287219][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.287254][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.287285][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.287314][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.287345][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.287371][ T32] r4:84ab0640 [ 1330.287409][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.287458][ T32] INFO: task kworker/1:336:3995 blocked for more than 456 seconds. [ 1330.287497][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.287525][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.287550][ T32] task:kworker/1:336 state:D stack:0 pid:3995 tgid:3995 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.287603][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.287653][ T32] Call trace: [ 1330.287740][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.287799][ T32] r10:8291a684 r9:ea9b9d84 r8:00000002 r7:60000113 r6:ea9b9d8c r5:845fd400 [ 1330.287852][ T32] r4:845fd400 [ 1330.287967][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.288036][ T32] r5:845fd400 r4:8291a680 [ 1330.288080][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.288158][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.288210][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9b9e08 [ 1330.288237][ T32] r4:00000000 [ 1330.288356][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.288435][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.288479][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.288659][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850aeac0 [ 1330.288701][ T32] r4:00000000 [ 1330.288753][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.288808][ T32] r9:83018205 r8:845fd400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b5000 ** 3 printk messages dropped ** [ 1330.289232][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.321752][ T32] r5:85168f8c r4:85168c00 ** 2 printk messages dropped ** [ 1330.322100][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1330.322607][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1330.323752][ T32] Call trace: ** 5 printk messages dropped ** [ 1330.324229][ T32] dd20: b8c35000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 7 printk messages dropped ** [ 1330.324639][ T32] r4:e044ddc0 ** 7 printk messages dropped ** [ 1330.324998][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1330.325469][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1330.325776][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1330.326102][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1330.326448][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1330.327001][ T32] r5:00001000 r4:ea9fd000 ** 1 printk messages dropped ** [ 1330.327065][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1330.327316][ T32] r4:850a6800 [ 1330.327357][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.327418][ T32] r10:00000000 r9:850a6800 r8:80287e08 r7:ea9b9e60 r6:850a6880 r5:845fe000 [ 1330.327472][ T32] r4:00000001 [ 1330.327589][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.327683][ T32] Exception stack(0xea9e9fb0 to 0xea9e9ff8) [ 1330.327741][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.327864][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.327913][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.327947][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.327973][ T32] r4:850ae940 [ 1330.328260][ T32] INFO: task kworker/1:337:3998 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.328300][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.328440][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.328564][ T32] Call trace: [ 1330.328601][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.328667][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.328695][ T32] r4:00000000 [ 1330.328745][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.328822][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.328886][ T32] dd20: b8c35000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.328979][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.329124][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.329205][ T32] r5:800d0013 r4:80239bb0 [ 1330.345504][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.345730][ T32] r4:82ac21e4 [ 1330.345766][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.345823][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.345857][ T32] r4:e044ddc0 [ 1330.345883][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.345933][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.345989][ T32] r4:00000000 [ 1330.346073][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.346134][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.346161][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.346212][ T32] r5:00001000 r4:dfe3d000 [ 1330.346233][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.346277][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.346325][ T32] r5:84a2438c r4:84a24000 [ 1330.346348][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.346437][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.346582][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.346645][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.346671][ T32] r4:84ab5800 [ 1330.346692][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.346746][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.346829][ T32] r4:00000001 [ 1330.346856][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.346918][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.346984][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1330.347224][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1330.347658][ T32] r5:845fec00 r4:8291a680 ** 5 printk messages dropped ** [ 1330.347900][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1330.348240][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1330.348458][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1330.348909][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1330.364835][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1330.365152][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 12 printk messages dropped ** [ 1330.365660][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 8 printk messages dropped ** [ 1330.366039][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1330.366569][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1330.367076][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa19e08 ** 10 printk messages dropped ** [ 1330.367460][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1330.367717][ T32] r10:61c88647 r9:85043c00 r8:850a6a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1330.368269][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1330.385743][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1330.386157][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1330.386527][ T32] r5:00001000 r4:dfe3d000 [ 1330.386549][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.386652][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.386781][ T32] r5:84a2438c r4:84a24000 [ 1330.386841][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.386903][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.386954][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.387041][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.387071][ T32] r4:84ab5800 [ 1330.387094][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.387144][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.387197][ T32] r4:00000001 [ 1330.387229][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.387271][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.387302][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.387362][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.387404][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.387443][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.387507][ T32] r4:84ab0640 [ 1330.387553][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.387592][ T32] INFO: task kworker/1:340:4004 blocked for more than 456 seconds. [ 1330.387631][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.387676][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.387705][ T32] task:kworker/1:340 state:D stack:0 pid:4004 tgid:4004 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.387811][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.387926][ T32] Call trace: [ 1330.387967][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.388029][ T32] r10:8291a684 r9:eaa01d84 r8:00000002 r7:60000013 r6:eaa01d8c r5:85046c00 [ 1330.388054][ T32] r4:85046c00 [ 1330.388078][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.388166][ T32] r5:85046c00 r4:8291a680 [ 1330.388194][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.388252][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.388381][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa01e08 [ 1330.388424][ T32] r4:00000000 [ 1330.388445][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.388524][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.388574][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.388621][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850aefc0 [ 1330.388645][ T32] r4:00000000 [ 1330.388666][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.388716][ T32] r9:83018205 r8:85046c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0bd000 [ 1330.388767][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.388836][ T32] r5:00001000 r4:eaa21000 [ 1330.388875][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.388927][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.388974][ T32] r5:85169b8c r4:85169800 [ 1330.389029][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.389083][ T32] r7:ddde2d80 r6:83018200 r5:85169b8c r4:850a6a80 [ 1330.389109][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.389160][ T32] r10:61c88647 r9:85046c00 r8:850a6aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.389186][ T32] r4:850a6a80 [ 1330.389207][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.389348][ T32] r10:00000000 r9:850a6a80 r8:80287e08 r7:eaa19e60 r6:850c3000 r5:85046c00 [ 1330.410836][ T32] r4:00000001 [ 1330.410918][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.411089][ T32] Exception stack(0xeaa01fb0 to 0xeaa01ff8) [ 1330.411174][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1330.411240][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.411349][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1330.412304][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1330.413151][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1330.413335][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 12 printk messages dropped ** [ 1330.413971][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1330.414176][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 7 printk messages dropped ** [ 1330.414610][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1330.415063][ T32] r4:85016c00 ** 5 printk messages dropped ** [ 1330.415357][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1330.415550][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850bb340 ** 6 printk messages dropped ** [ 1330.415975][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1330.416274][ T32] r4:850a6b00 ** 2 printk messages dropped ** [ 1330.416369][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1330.416795][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.416822][ T32] r4:850bb100 [ 1330.417227][ T32] INFO: task kworker/1:341:4007 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.417267][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.417362][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.417546][ T32] Call trace: [ 1330.417648][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.417708][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.417740][ T32] r4:00000000 [ 1330.417779][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.417827][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.417858][ T32] dd20: b9426000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.417890][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.417918][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.417960][ T32] r5:800d0013 r4:80239bb0 [ 1330.417988][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.418035][ T32] r4:82ac21e4 [ 1330.418057][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.418101][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.418126][ T32] r4:e044ddc0 [ 1330.418148][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.418192][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.418217][ T32] r4:00000000 [ 1330.418266][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.418361][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.418397][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.418448][ T32] r5:00001000 r4:dfe3d000 [ 1330.418527][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.418576][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.418631][ T32] r5:84a2438c r4:84a24000 [ 1330.418657][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.418744][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.418775][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.418830][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.418854][ T32] r4:84ab5800 [ 1330.418944][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.419001][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.419026][ T32] r4:00000001 [ 1330.419047][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.419086][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.419114][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.419144][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.419194][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.419229][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.419254][ T32] r4:84ab0640 [ 1330.419352][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.428148][ T32] INFO: task kworker/1:342:4009 blocked for more than 456 seconds. [ 1330.428224][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.428273][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.428306][ T32] task:kworker/1:342 state:D stack:0 pid:4009 tgid:4009 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.428522][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.428638][ T32] Call trace: [ 1330.428874][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.428951][ T32] r10:8291a684 r9:eaa49d84 r8:00000002 r7:60000013 r6:eaa49d8c r5:85010000 [ 1330.429007][ T32] r4:85010000 [ 1330.429036][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.429117][ T32] r5:85010000 r4:8291a680 [ 1330.429175][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.429225][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.446784][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa49e08 [ 1330.446933][ T32] r4:00000000 [ 1330.446964][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 6 printk messages dropped ** [ 1330.447426][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1330.447609][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1330.447853][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1330.448276][ T32] r4:00000001 [ 1330.448325][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.448370][ T32] Exception stack(0xeaa49fb0 to 0xeaa49ff8) [ 1330.448475][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.448538][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.448569][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.448600][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.448625][ T32] r4:850bb000 [ 1330.449140][ T32] INFO: task kworker/1:342:4009 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.449200][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.449367][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.456271][ T32] Call trace: [ 1330.456466][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.456610][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.456681][ T32] r4:00000000 [ 1330.456723][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.456805][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.456872][ T32] dd20: b95c9000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.456912][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.456942][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.456969][ T32] r5:800d0013 r4:80239bb0 [ 1330.456993][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 5 printk messages dropped ** [ 1330.457284][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 11 printk messages dropped ** [ 1330.457895][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1330.458236][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1330.458954][ T32] r10:8291a684 r9:eaa4dd84 r8:00000002 r7:60000013 r6:eaa4dd8c r5:849e0000 ** 9 printk messages dropped ** [ 1330.474307][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1330.474784][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1330.474932][ T32] r7:ddde2d80 r6:83018200 r5:850e278c r4:850a6c00 ** 5 printk messages dropped ** [ 1330.475244][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1330.475579][ T32] r4:850bb0c0 ** 5 printk messages dropped ** [ 1330.476528][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1330.477001][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1330.477656][ T32] r5:84a2438c r4:84a24000 ** 6 printk messages dropped ** [ 1330.477960][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1330.478345][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1330.478654][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.478766][ T32] Call trace: [ 1330.478801][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.478854][ T32] r10:8291a684 r9:eaa0dd84 r8:00000002 r7:60000113 r6:eaa0dd8c r5:849e0c00 [ 1330.478881][ T32] r4:849e0c00 [ 1330.478929][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.478984][ T32] r5:849e0c00 r4:8291a680 [ 1330.479052][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.479101][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.479213][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa0de08 [ 1330.488315][ T32] r4:00000000 [ 1330.488384][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.488474][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.488542][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.488592][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853738c0 [ 1330.488618][ T32] r4:00000000 [ 1330.488641][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.488695][ T32] r9:83018005 r8:849e0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0b5000 [ 1330.488757][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.488930][ T32] r5:00001000 r4:eaf23000 [ 1330.488960][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.489097][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.489181][ T32] r5:85101b8c r4:85101800 [ 1330.489423][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.503366][ T32] r7:dddced80 r6:83018000 r5:85101b8c r4:850c3200 [ 1330.503451][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.503572][ T32] r10:61c88647 r9:849e0c00 r8:850c322c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.503632][ T32] r4:850c3200 [ 1330.503692][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.503761][ T32] r10:00000000 r9:850c3200 r8:80287e08 r7:ea9ade60 r6:850c3280 r5:849e0c00 [ 1330.503795][ T32] r4:00000001 [ 1330.503825][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.503870][ T32] Exception stack(0xeaa0dfb0 to 0xeaa0dff8) [ 1330.503909][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.503941][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.504001][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.504039][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.504065][ T32] r4:850aab40 [ 1330.504561][ T32] INFO: task kworker/0:105:4012 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.504632][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.504856][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.504941][ T32] Call trace: [ 1330.504980][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.505055][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.505087][ T32] r4:00000000 [ 1330.505109][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.505156][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.505201][ T32] dd20: b9ce5000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.505327][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.505360][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.505394][ T32] r5:800d0013 r4:80239bb0 [ 1330.505419][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.505468][ T32] r4:82ac21e4 [ 1330.505521][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 7 printk messages dropped ** [ 1330.506031][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 9 printk messages dropped ** [ 1330.506610][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1330.507046][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1330.507575][ T32] r10:8291a684 r9:ea835d84 r8:00000002 r7:60000013 r6:ea835d8c r5:849e1800 ** 9 printk messages dropped ** [ 1330.508015][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1330.508523][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1330.508733][ T32] r10:61c88647 r9:849e1800 r8:850a6cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1330.509191][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.509223][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.509418][ T32] r4:850bb500 [ 1330.518547][ T32] INFO: task kworker/1:344:4015 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.518627][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.518742][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.518864][ T32] Call trace: [ 1330.518912][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.518979][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.519035][ T32] r4:00000000 [ 1330.519091][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.519172][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.519331][ T32] dd20: b9ce5000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.530219][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.530284][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.530320][ T32] r5:800d0013 r4:80239bb0 [ 1330.530348][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.530461][ T32] r4:82ac21e4 [ 1330.530546][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.530603][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.530631][ T32] r4:e044ddc0 [ 1330.530656][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.530736][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.530767][ T32] r4:00000000 [ 1330.530792][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.530851][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.530879][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.530935][ T32] r5:00001000 r4:dfe3d000 [ 1330.530974][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.531027][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.531080][ T32] r5:84a2438c r4:84a24000 [ 1330.531105][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.531163][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.531189][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.531247][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.531290][ T32] r4:84ab5800 [ 1330.531329][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.531394][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.531423][ T32] r4:00000001 [ 1330.531464][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.531531][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.531573][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.531624][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.531660][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.531696][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.531737][ T32] r4:84ab0640 [ 1330.531767][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.531802][ T32] INFO: task kworker/1:345:4016 blocked for more than 456 seconds. ** 3 printk messages dropped ** [ 1330.532019][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1330.532448][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1330.532950][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1330.533060][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1330.533325][ T32] r10:61c88647 r9:85129800 r8:850a6d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1330.533882][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1330.535027][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1330.535376][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1330.535886][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 11 printk messages dropped ** [ 1330.536826][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1330.537344][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 8 printk messages dropped ** [ 1330.537820][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 7 printk messages dropped ** [ 1330.538183][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1330.538583][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1330.538974][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.539025][ T32] r5:850e2f8c r4:850e2c00 [ 1330.539047][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.539097][ T32] r7:dddced80 r6:83018000 r5:850e2f8c r4:850c3380 [ 1330.539119][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.539168][ T32] r10:61c88647 r9:85128000 r8:850c33ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.539192][ T32] r4:850c3380 [ 1330.539231][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.539284][ T32] r10:00000000 r9:850c3380 r8:80287e08 r7:eaa0de60 r6:850a6e00 r5:85128000 [ 1330.539465][ T32] r4:00000001 [ 1330.567740][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.567905][ T32] Exception stack(0xeaa65fb0 to 0xeaa65ff8) [ 1330.567969][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1330.568008][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.568045][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.568084][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.568111][ T32] r4:850b9080 [ 1330.568618][ T32] INFO: task kworker/0:106:4019 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.568665][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.568785][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.568880][ T32] Call trace: [ 1330.568949][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.569015][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.569042][ T32] r4:00000000 [ 1330.569093][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.569155][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.569191][ T32] dd20: ba1a8000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.569223][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.569251][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.569279][ T32] r5:800d0013 r4:80239bb0 [ 1330.569378][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.570499][ T32] r4:82ac21e4 [ 1330.570574][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.570644][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.570674][ T32] r4:e044ddc0 [ 1330.570782][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.571258][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.571290][ T32] r4:00000000 [ 1330.571377][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.571444][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.571470][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.571641][ T32] r5:00001000 r4:dfe3d000 [ 1330.571735][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.571792][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.571950][ T32] r5:84a2438c r4:84a24000 [ 1330.571987][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.572042][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.572157][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.572217][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.572243][ T32] r4:84ab5800 [ 1330.572266][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.572334][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.572369][ T32] r4:00000001 [ 1330.572431][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.572479][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.572534][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.572569][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.572598][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.572674][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.572769][ T32] r4:84ab0640 [ 1330.572800][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.572882][ T32] INFO: task kworker/1:346:4021 blocked for more than 456 seconds. [ 1330.572929][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.572993][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.573195][ T32] task:kworker/1:346 state:D stack:0 pid:4021 tgid:4021 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.573262][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.573332][ T32] Call trace: [ 1330.573425][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.573486][ T32] r10:8291a684 r9:eaa69d84 r8:00000002 r7:60000013 r6:eaa69d8c r5:85128c00 [ 1330.573649][ T32] r4:85128c00 [ 1330.573680][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.573743][ T32] r5:85128c00 r4:8291a680 [ 1330.573781][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1330.574009][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 5 printk messages dropped ** [ 1330.574337][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1330.574479][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1330.574750][ T32] r10:61c88647 r9:85128c00 r8:850a6eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1330.575078][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1330.576062][ T32] Call trace: ** 4 printk messages dropped ** [ 1330.576282][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 4 printk messages dropped ** [ 1330.576558][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1330.577214][ T32] r5:00001000 r4:dfe3d000 [ 1330.577261][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.577371][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.577433][ T32] r5:84a2438c r4:84a24000 [ 1330.577513][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.577601][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.577660][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.577777][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.577809][ T32] r4:84ab5800 [ 1330.577832][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.577919][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.577979][ T32] r4:00000001 [ 1330.578005][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.578046][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.578075][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.578136][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.578200][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.578236][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.578365][ T32] r4:84ab0640 [ 1330.578403][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.578459][ T32] INFO: task kworker/1:347:4023 blocked for more than 456 seconds. [ 1330.578502][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.578560][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.578611][ T32] task:kworker/1:347 state:D stack:0 pid:4023 tgid:4023 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.578716][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.578797][ T32] Call trace: [ 1330.578834][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.578889][ T32] r10:8291a684 r9:eaa59d84 r8:00000002 r7:60000113 r6:eaa59d8c r5:849e2400 [ 1330.578915][ T32] r4:849e2400 [ 1330.578937][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.578984][ T32] r5:849e2400 r4:8291a680 [ 1330.579032][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.579081][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.579155][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa59e08 [ 1330.579185][ T32] r4:00000000 [ 1330.579332][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.615158][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.615480][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.615600][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850bbe80 [ 1330.615640][ T32] r4:00000000 [ 1330.615666][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.615806][ T32] r9:83018205 r8:849e2400 r7:00000000 r6:83018200 r5:00001000 r4:7f06d000 [ 1330.616006][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.616112][ T32] r5:00001000 r4:dfc83000 [ 1330.616228][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.616278][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.616354][ T32] r5:8516b78c r4:8516b400 [ 1330.616384][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.616440][ T32] r7:ddde2d80 r6:83018200 r5:8516b78c r4:850a6f80 [ 1330.616528][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.616592][ T32] r10:61c88647 r9:849e2400 r8:850a6fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.616625][ T32] r4:850a6f80 [ 1330.616674][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.616734][ T32] r10:00000000 r9:850a6f80 r8:80287e08 r7:eaa69e60 r6:850c3400 r5:849e2400 [ 1330.616766][ T32] r4:00000001 [ 1330.616847][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 4 printk messages dropped ** [ 1330.617110][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1330.618339][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 4 printk messages dropped ** [ 1330.618489][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 12 printk messages dropped ** [ 1330.619102][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1330.630406][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1330.630663][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1330.630935][ T32] task:kworker/1:348 state:D stack:0 pid:4026 tgid:4026 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 7 printk messages dropped ** [ 1330.631620][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.631729][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.631811][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea939e08 [ 1330.631841][ T32] r4:00000000 [ 1330.631869][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.631910][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.631954][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.632001][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850bbfc0 [ 1330.632026][ T32] r4:00000000 [ 1330.632076][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.632139][ T32] r9:83018205 r8:849e3000 r7:00000000 r6:83018200 r5:00001000 r4:7f06f000 [ 1330.632193][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.632248][ T32] r5:00001000 r4:dfcdd000 [ 1330.632274][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.632319][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.632400][ T32] r5:8516bb8c r4:8516b800 [ 1330.632459][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.632541][ T32] r7:ddde2d80 r6:83018200 r5:8516bb8c r4:850b3000 [ 1330.632628][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.632689][ T32] r10:61c88647 r9:849e3000 r8:850b302c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.632716][ T32] r4:850b3000 [ 1330.632744][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.632796][ T32] r10:00000000 r9:850b3000 r8:80287e08 r7:eaa59e60 r6:850c3480 r5:849e3000 [ 1330.632850][ T32] r4:00000001 [ 1330.632964][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.633008][ T32] Exception stack(0xea939fb0 to 0xea939ff8) [ 1330.633037][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.633069][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.633174][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.633211][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.633237][ T32] r4:850bbd00 [ 1330.633773][ T32] INFO: task kworker/1:348:4026 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.633816][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.634004][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.634141][ T32] Call trace: [ 1330.634176][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.634233][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.634259][ T32] r4:00000000 [ 1330.634299][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.634348][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.634409][ T32] dd20: ba61d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.634447][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.634476][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.634532][ T32] r5:800d0013 r4:80239bb0 [ 1330.634652][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.634764][ T32] r4:82ac21e4 [ 1330.634792][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.634840][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 2 printk messages dropped ** [ 1330.634978][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 7 printk messages dropped ** [ 1330.635622][ T32] r5:84a2438c r4:84a24000 ** 5 printk messages dropped ** [ 1330.635974][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1330.636450][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1330.636940][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1330.637580][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1330.638260][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1330.638667][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1330.638843][ T32] r7:dddced80 r6:83018000 r5:85170b8c r4:850c3500 ** 4 printk messages dropped ** [ 1330.639177][ T32] r10:00000000 r9:850c3500 r8:80287e08 r7:eaa0de60 r6:850c3580 r5:849e3c00 ** 7 printk messages dropped ** [ 1330.669153][ T32] r4:850b9240 ** 3 printk messages dropped ** [ 1330.681524][ T32] Call trace: ** 5 printk messages dropped ** [ 1330.682139][ T32] dd20: bab1e000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 7 printk messages dropped ** [ 1330.682482][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1330.682778][ T32] r5:00001000 r4:dfe3d000 ** 4 printk messages dropped ** [ 1330.683055][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 6 printk messages dropped ** [ 1330.683446][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 1 printk messages dropped ** [ 1330.683521][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.683644][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.683681][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.683759][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.683790][ T32] r4:84ab0640 [ 1330.683877][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.684004][ T32] INFO: task kworker/1:349:4029 blocked for more than 457 seconds. [ 1330.684051][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.684081][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.684225][ T32] task:kworker/1:349 state:D stack:0 pid:4029 tgid:4029 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.684287][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.684337][ T32] Call trace: [ 1330.684438][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.684494][ T32] r10:8291a684 r9:eaa75d84 r8:00000002 r7:60000013 r6:eaa75d8c r5:849e4800 [ 1330.684553][ T32] r4:849e4800 [ 1330.684578][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.684638][ T32] r5:849e4800 r4:8291a680 [ 1330.684740][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.684836][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.684888][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa75e08 [ 1330.684913][ T32] r4:00000000 [ 1330.684935][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.684971][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.685008][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.685205][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850aef80 [ 1330.685238][ T32] r4:00000000 [ 1330.685260][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.685313][ T32] r9:83018205 r8:849e4800 r7:00000000 r6:83018200 r5:00001000 r4:7f071000 [ 1330.685431][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.685557][ T32] r5:00001000 r4:dfd61000 [ 1330.685673][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.685723][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.685772][ T32] r5:8516bf8c r4:8516bc00 [ 1330.685885][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.685970][ T32] r7:ddde2d80 r6:83018200 r5:8516bf8c r4:850b3080 [ 1330.686028][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.686085][ T32] r10:61c88647 r9:849e4800 r8:850b30ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.686110][ T32] r4:850b3080 [ 1330.686154][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.686300][ T32] r10:00000000 r9:850b3080 r8:80287e08 r7:ea939e60 r6:850c3600 r5:849e4800 [ 1330.686331][ T32] r4:00000001 [ 1330.686352][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.686589][ T32] Exception stack(0xeaa75fb0 to 0xeaa75ff8) [ 1330.686624][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1330.686665][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.686695][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.686771][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.686800][ T32] r4:850bbc00 [ 1330.687167][ T32] INFO: task kworker/1:349:4029 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.687206][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.687353][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.687423][ T32] Call trace: [ 1330.687461][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.687544][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.687577][ T32] r4:00000000 [ 1330.687599][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.687665][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 4 printk messages dropped ** [ 1330.688094][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1330.688800][ T32] r5:00001000 r4:dfe3d000 ** 4 printk messages dropped ** [ 1330.689033][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1330.700426][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1330.700642][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1330.701323][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1330.701772][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1330.702523][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1330.702657][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1330.703873][ T32] r10:00000000 r9:850b3100 r8:80287e08 r7:eaa75e60 r6:850c3680 r5:849e5400 [ 1330.703903][ T32] r4:00000001 [ 1330.703985][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.704030][ T32] Exception stack(0xeaa79fb0 to 0xeaa79ff8) [ 1330.704089][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.704200][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.704243][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.704276][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.704391][ T32] r4:850aef40 [ 1330.704910][ T32] INFO: task kworker/1:350:4031 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.704954][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.705383][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.705441][ T32] Call trace: [ 1330.705521][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.705581][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.705607][ T32] r4:00000000 [ 1330.705629][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.705682][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.705714][ T32] dd20: bab1e000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.705767][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.705800][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.705831][ T32] r5:800d0013 r4:80239bb0 [ 1330.705878][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.705929][ T32] r4:82ac21e4 [ 1330.705952][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.705999][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.706067][ T32] r4:e044ddc0 [ 1330.706167][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.706262][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.706291][ T32] r4:00000000 [ 1330.706316][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.706463][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.706511][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.706624][ T32] r5:00001000 r4:dfe3d000 [ 1330.706659][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.706706][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.706753][ T32] r5:84a2438c r4:84a24000 [ 1330.706776][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.706847][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.706880][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.706989][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.707021][ T32] r4:84ab5800 [ 1330.707043][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.707167][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.707229][ T32] r4:00000001 [ 1330.707253][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.707293][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.707838][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.707898][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.707930][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.707983][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.708013][ T32] r4:84ab0640 [ 1330.708036][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.708071][ T32] INFO: task kworker/1:351:4033 blocked for more than 457 seconds. [ 1330.708104][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.708130][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1330.708300][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1330.708804][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1330.743998][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1330.744201][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1330.744349][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1330.744735][ T32] Exception stack(0xeaa7dfb0 to 0xeaa7dff8) ** 4 printk messages dropped ** [ 1330.744977][ T32] r4:850bbf80 ** 5 printk messages dropped ** [ 1330.745999][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 7 printk messages dropped ** [ 1330.746231][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1330.746757][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 9 printk messages dropped ** [ 1330.747228][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 4 printk messages dropped ** [ 1330.747491][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.747596][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.747643][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.747708][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.747743][ T32] r4:84ab0640 [ 1330.747823][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.747864][ T32] INFO: task kworker/1:352:4034 blocked for more than 457 seconds. [ 1330.747905][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.747957][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.747992][ T32] task:kworker/1:352 state:D stack:0 pid:4034 tgid:4034 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.748104][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.748198][ T32] Call trace: [ 1330.748235][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.748307][ T32] r10:8291a684 r9:eaa81d84 r8:00000002 r7:60000113 r6:eaa81d8c r5:849e6c00 [ 1330.748337][ T32] r4:849e6c00 [ 1330.748361][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.748464][ T32] r5:849e6c00 r4:8291a680 [ 1330.748491][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.748642][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.748726][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa81e08 [ 1330.748783][ T32] r4:00000000 [ 1330.748809][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.748849][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.748892][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.748939][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850b6040 [ 1330.748966][ T32] r4:00000000 [ 1330.749016][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.749153][ T32] r9:83018205 r8:849e6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 [ 1330.749183][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.749236][ T32] r5:00001000 r4:dfdc9000 [ 1330.749308][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.770424][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.770638][ T32] r5:8517078c r4:85170400 [ 1330.770705][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.770839][ T32] r7:ddde2d80 r6:83018200 r5:8517078c r4:850b3200 [ 1330.770906][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.771014][ T32] r10:61c88647 r9:849e6c00 r8:850b322c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.771093][ T32] r4:850b3200 [ 1330.771385][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.771552][ T32] r10:00000000 r9:850b3200 r8:80287e08 r7:eaa7de60 r6:850c3780 r5:849e6c00 [ 1330.771625][ T32] r4:00000001 [ 1330.771692][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.771809][ T32] Exception stack(0xeaa81fb0 to 0xeaa81ff8) [ 1330.771910][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1330.774163][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1330.774623][ T32] r4:82ac21e4 ** 11 printk messages dropped ** [ 1330.775143][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 13 printk messages dropped ** [ 1330.775723][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 9 printk messages dropped ** [ 1330.776155][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 10 printk messages dropped ** [ 1330.776646][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1330.776987][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 13 printk messages dropped ** [ 1330.777516][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 13 printk messages dropped ** [ 1330.778644][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1330.779026][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 1 printk messages dropped ** [ 1330.779095][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.779149][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.779173][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.779219][ T32] r5:00001000 r4:dfe3d000 [ 1330.779240][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.779284][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.779393][ T32] r5:84a2438c r4:84a24000 [ 1330.799934][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.800085][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.800115][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.800171][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.800197][ T32] r4:84ab5800 [ 1330.800245][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.800308][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.800334][ T32] r4:00000001 [ 1330.800356][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.800397][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.800431][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.800486][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.800555][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.800596][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.800624][ T32] r4:84ab0640 [ 1330.800650][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.800700][ T32] INFO: task kworker/0:109:4040 blocked for more than 457 seconds. [ 1330.800739][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.800768][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.800824][ T32] task:kworker/0:109 state:D stack:0 pid:4040 tgid:4040 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.800970][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.801057][ T32] Call trace: [ 1330.801121][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.801227][ T32] r10:8291a684 r9:eaa85d84 r8:00000002 r7:60000113 r6:eaa85d8c r5:84b18c00 [ 1330.801264][ T32] r4:84b18c00 [ 1330.801315][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.801368][ T32] r5:84b18c00 r4:8291a680 [ 1330.801392][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.801435][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.801506][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa85e08 [ 1330.801537][ T32] r4:00000000 [ 1330.801570][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.801633][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.801684][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1330.801939][ T32] r5:00001000 r4:e0379000 ** 1 printk messages dropped ** [ 1330.802028][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1330.802509][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1330.802761][ T32] r4:850b9840 ** 8 printk messages dropped ** [ 1330.803628][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.803688][ T32] dd20: bb4e0000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.803724][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.803775][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.803805][ T32] r5:800d0013 r4:80239bb0 [ 1330.803830][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.803876][ T32] r4:82ac21e4 [ 1330.803899][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.803968][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.803998][ T32] r4:e044ddc0 [ 1330.804064][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.804139][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.804171][ T32] r4:00000000 [ 1330.804194][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.804245][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.804276][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.804328][ T32] r5:00001000 r4:dfe3d000 [ 1330.804350][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.804417][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.804492][ T32] r5:84a2438c r4:84a24000 ** 1 printk messages dropped ** [ 1330.804614][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 8 printk messages dropped ** [ 1330.805107][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1330.805509][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1330.805910][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 11 printk messages dropped ** [ 1330.806555][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.806618][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1330.806817][ T32] r10:61c88647 r9:84b19800 r8:850c3a2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 12 printk messages dropped ** [ 1330.807650][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1330.808406][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 12 printk messages dropped ** [ 1330.809032][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 6 printk messages dropped ** [ 1330.839883][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1330.840175][ T32] r4:84ab0640 [ 1330.840207][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.840267][ T32] INFO: task kworker/1:353:4043 blocked for more than 457 seconds. [ 1330.840324][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.840386][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.840418][ T32] task:kworker/1:353 state:D stack:0 pid:4043 tgid:4043 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.840531][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.840612][ T32] Call trace: [ 1330.840653][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.840737][ T32] r10:8291a684 r9:eaa91d84 r8:00000002 r7:60000013 r6:eaa91d8c r5:84b1a400 [ 1330.840778][ T32] r4:84b1a400 [ 1330.840831][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.840921][ T32] r5:84b1a400 r4:8291a680 [ 1330.840951][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.841022][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.841074][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa91e08 [ 1330.841122][ T32] r4:00000000 [ 1330.841169][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.841212][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.841255][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.841301][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850b6c00 [ 1330.841350][ T32] r4:00000000 [ 1330.841400][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.841462][ T32] r9:83018205 r8:84b1a400 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1330.841487][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.841574][ T32] r5:00001000 r4:e0567000 [ 1330.841603][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.841650][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.841697][ T32] r5:85171b8c r4:85171800 [ 1330.841742][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.841801][ T32] r7:ddde2d80 r6:83018200 r5:85171b8c r4:850b3300 [ 1330.841848][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.841926][ T32] r10:61c88647 r9:84b1a400 r8:850b332c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1330.842081][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1330.842232][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1330.843022][ T32] Call trace: ** 5 printk messages dropped ** [ 1330.843386][ T32] dd20: bbba8000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 6 printk messages dropped ** [ 1330.843649][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1330.844069][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1330.844469][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1330.844817][ T32] INFO: task kworker/1:354:4045 blocked for more than 457 seconds. ** 6 printk messages dropped ** [ 1330.845162][ T32] r10:8291a684 r9:eaa8dd84 r8:00000002 r7:60000113 r6:eaa8dd8c r5:84b1b000 ** 5 printk messages dropped ** [ 1330.845490][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa8de08 ** 9 printk messages dropped ** [ 1330.845961][ T32] r5:00001000 r4:e0509000 ** 1 printk messages dropped ** [ 1330.846065][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1330.846349][ T32] r10:61c88647 r9:84b1b000 r8:850b33ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1330.846652][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1330.847331][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.847362][ T32] r4:00000000 [ 1330.847397][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.847445][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.847500][ T32] dd20: bbba8000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.847536][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.847595][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.847627][ T32] r5:800d0013 r4:80239bb0 [ 1330.847649][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.847714][ T32] r4:82ac21e4 [ 1330.847779][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.847843][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.847871][ T32] r4:e044ddc0 [ 1330.847917][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.847968][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.847994][ T32] r4:00000000 [ 1330.848016][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.848079][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.848173][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.848226][ T32] r5:00001000 r4:dfe3d000 [ 1330.848250][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.848294][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.848364][ T32] r5:84a2438c r4:84a24000 [ 1330.848390][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.848444][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.848492][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.848577][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.848650][ T32] r4:84ab5800 [ 1330.848676][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.848730][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.848755][ T32] r4:00000001 [ 1330.848776][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.848815][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.848855][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.848890][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.848942][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.848978][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.849003][ T32] r4:84ab0640 [ 1330.849042][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.849099][ T32] INFO: task kworker/0:111:4047 blocked for more than 457 seconds. [ 1330.849134][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.849184][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.849248][ T32] task:kworker/0:111 state:D stack:0 pid:4047 tgid:4047 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.879920][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.880015][ T32] Call trace: [ 1330.880070][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.880173][ T32] r10:8291a684 r9:eaa99d84 r8:00000002 r7:60000113 r6:eaa99d8c r5:84b1bc00 [ 1330.880205][ T32] r4:84b1bc00 [ 1330.880230][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.880281][ T32] r5:84b1bc00 r4:8291a680 [ 1330.880306][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.880361][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.880414][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa99e08 [ 1330.880440][ T32] r4:00000000 [ 1330.880463][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1330.880559][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1330.880617][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.880681][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850b8340 [ 1330.880712][ T32] r4:00000000 [ 1330.880734][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.880789][ T32] r9:83018005 r8:84b1bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f0d3000 [ 1330.880840][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.880897][ T32] r5:00001000 r4:ea973000 [ 1330.880944][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.880995][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.881046][ T32] r5:850e3b8c r4:850e3800 [ 1330.881070][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.881125][ T32] r7:dddced80 r6:83018000 r5:850e3b8c r4:850c3c00 [ 1330.881149][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.881244][ T32] r10:61c88647 r9:84b1bc00 r8:850c3c2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.881280][ T32] r4:850c3c00 [ 1330.881306][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.881382][ T32] r10:00000000 r9:850c3c00 r8:80287e08 r7:eaa0de60 r6:850c3c80 r5:84b1bc00 [ 1330.881416][ T32] r4:00000001 [ 1330.881440][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.881484][ T32] Exception stack(0xeaa99fb0 to 0xeaa99ff8) [ 1330.881516][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.881611][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1330.881747][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1330.882553][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.882580][ T32] r4:00000000 [ 1330.882612][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.882668][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.882699][ T32] dd20: bc381000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.882732][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.882815][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.882847][ T32] r5:800d0013 r4:80239bb0 [ 1330.882872][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.882918][ T32] r4:82ac21e4 [ 1330.882940][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.882987][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.883011][ T32] r4:e044ddc0 [ 1330.883043][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.883094][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.883119][ T32] r4:00000000 [ 1330.883166][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.883222][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.883271][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.883324][ T32] r5:00001000 r4:dfe3d000 [ 1330.883347][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.883403][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.883453][ T32] r5:84a2438c r4:84a24000 [ 1330.883500][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.883563][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.883588][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.883640][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.883689][ T32] r4:84ab5800 [ 1330.883715][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.883767][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.883817][ T32] r4:00000001 [ 1330.883842][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.883903][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.883948][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.884008][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.884042][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.884074][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.884099][ T32] r4:84ab0640 [ 1330.884123][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.884169][ T32] INFO: task kworker/1:355:4049 blocked for more than 457 seconds. [ 1330.884242][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.884285][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.884322][ T32] task:kworker/1:355 state:D stack:0 pid:4049 tgid:4049 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.884375][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.884458][ T32] Call trace: [ 1330.884514][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.884576][ T32] r10:8291a684 r9:eaaa1d84 r8:00000002 r7:60000013 r6:eaaa1d8c r5:84b1d400 [ 1330.884626][ T32] r4:84b1d400 [ 1330.884653][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1330.884703][ T32] r5:84b1d400 r4:8291a680 [ 1330.884725][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.884766][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.884834][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaaa1e08 ** 3 printk messages dropped ** [ 1330.884966][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1330.885398][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.885451][ T32] r5:85171f8c r4:85171c00 [ 1330.885487][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1330.885679][ T32] r4:850b3400 ** 2 printk messages dropped ** [ 1330.885844][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1330.886034][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1330.886614][ T32] Call trace: ** 6 printk messages dropped ** [ 1330.886906][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 15 printk messages dropped ** [ 1330.887697][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 14 printk messages dropped ** [ 1330.888399][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 14 printk messages dropped ** [ 1330.889021][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 12 printk messages dropped ** [ 1330.911026][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1330.911565][ T32] Exception stack(0xeaaa9fb0 to 0xeaaa9ff8) [ 1330.911603][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.911639][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.911673][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.911710][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.911736][ T32] r4:850b6b00 [ 1330.912208][ T32] INFO: task kworker/1:356:4051 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1330.912272][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.912433][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.912541][ T32] Call trace: [ 1330.912630][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1330.912780][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1330.912833][ T32] r4:00000000 [ 1330.912858][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.912922][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1330.912999][ T32] dd20: bc82e000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1330.913046][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1330.913106][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1330.913174][ T32] r5:800d0013 r4:80239bb0 [ 1330.913211][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.913274][ T32] r4:82ac21e4 [ 1330.913325][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.913415][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.913472][ T32] r4:e044ddc0 [ 1330.913565][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.913660][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.913711][ T32] r4:00000000 [ 1330.913762][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.913820][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.913844][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.913949][ T32] r5:00001000 r4:dfe3d000 [ 1330.913980][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.914071][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.914132][ T32] r5:84a2438c r4:84a24000 [ 1330.914178][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 4 printk messages dropped ** [ 1330.914519][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1330.914965][ T32] INFO: task kworker/1:357:4053 blocked for more than 457 seconds. ** 15 printk messages dropped ** [ 1330.916067][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1330.916617][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 14 printk messages dropped ** [ 1330.917385][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 13 printk messages dropped ** [ 1330.918524][ T32] r5:800d0013 r4:80239bb0 ** 8 printk messages dropped ** [ 1330.919030][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.919081][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.919105][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.919177][ T32] r5:00001000 r4:dfe3d000 [ 1330.919222][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.939880][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.940019][ T32] r5:84a2438c r4:84a24000 [ 1330.940059][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.940156][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.940185][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.940309][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.940371][ T32] r4:84ab5800 [ 1330.940440][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.940554][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.940616][ T32] r4:00000001 [ 1330.940672][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.940743][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.940780][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.940831][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.940897][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.940971][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.941021][ T32] r4:84ab0640 [ 1330.941088][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.941164][ T32] INFO: task kworker/1:358:4054 blocked for more than 457 seconds. [ 1330.941241][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.941295][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.941333][ T32] task:kworker/1:358 state:D stack:0 pid:4054 tgid:4054 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.941462][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.941520][ T32] Call trace: [ 1330.941563][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1330.941664][ T32] r10:8291a684 r9:eaab5d84 r8:00000002 r7:60000113 r6:eaab5d8c r5:85138c00 ** 9 printk messages dropped ** [ 1330.942243][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1330.942659][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1330.943044][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 17 printk messages dropped ** [ 1330.944429][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1330.944983][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1330.945018][ T32] r4:e044ddc0 [ 1330.945064][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1330.945129][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.945206][ T32] r4:00000000 [ 1330.945240][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.945293][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.945325][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.945386][ T32] r5:00001000 r4:dfe3d000 [ 1330.945449][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.945576][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.945629][ T32] r5:84a2438c r4:84a24000 [ 1330.945701][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.945806][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.945838][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.945919][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.945980][ T32] r4:84ab5800 [ 1330.946013][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.946094][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1330.946151][ T32] r4:00000001 [ 1330.946206][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.946307][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1330.946374][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.946428][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.946504][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.946586][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1330.946640][ T32] r4:84ab0640 [ 1330.946676][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.946708][ T32] INFO: task kworker/1:359:4056 blocked for more than 457 seconds. [ 1330.946763][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1330.946826][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.946870][ T32] task:kworker/1:359 state:D stack:0 pid:4056 tgid:4056 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1330.947354][ T32] r10:8291a684 r9:eaabdd84 r8:00000002 r7:60000113 r6:eaabdd8c r5:8513a400 ** 14 printk messages dropped ** [ 1330.948310][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1330.948574][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 13 printk messages dropped ** [ 1330.974420][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 12 printk messages dropped ** [ 1330.975544][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 16 printk messages dropped ** [ 1330.976475][ T32] r5:84a2438c r4:84a24000 ** 9 printk messages dropped ** [ 1330.976923][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 10 printk messages dropped ** [ 1330.977346][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1330.977855][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1330.978183][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 13 printk messages dropped ** [ 1330.978769][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 13 printk messages dropped ** [ 1330.998002][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1330.998460][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1330.998520][ T32] r4:00000000 [ 1330.998553][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1330.998608][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1330.998632][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1330.998707][ T32] r5:00001000 r4:dfe3d000 [ 1330.998734][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1330.998782][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.998854][ T32] r5:84a2438c r4:84a24000 [ 1330.998881][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1330.998941][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1330.998979][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1330.999037][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.999062][ T32] r4:84ab5800 [ 1330.999100][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1330.999227][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.001892][ T32] r4:00000001 [ 1331.001938][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.001998][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.002031][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.002065][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.002094][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.002127][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.002153][ T32] r4:84ab0640 [ 1331.002179][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.002236][ T32] INFO: task kworker/1:361:4060 blocked for more than 457 seconds. [ 1331.002280][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.002318][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.002368][ T32] task:kworker/1:361 state:D stack:0 pid:4060 tgid:4060 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.002462][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.002538][ T32] Call trace: [ 1331.002608][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.002672][ T32] r10:8291a684 r9:eaacdd84 r8:00000002 r7:60000013 r6:eaacdd8c r5:8513b000 [ 1331.002724][ T32] r4:8513b000 [ 1331.002751][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.002802][ T32] r5:8513b000 r4:8291a680 [ 1331.002825][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.002869][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.002915][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaacde08 [ 1331.002940][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1331.003063][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1331.003433][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.003480][ T32] r5:8517338c r4:85173000 ** 3 printk messages dropped ** [ 1331.003717][ T32] r10:61c88647 r9:8513b000 r8:850b372c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1331.004052][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1331.004919][ T32] Call trace: ** 6 printk messages dropped ** [ 1331.005305][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 9 printk messages dropped ** [ 1331.005867][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1331.006136][ T32] r5:84a2438c r4:84a24000 ** 9 printk messages dropped ** [ 1331.006554][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 10 printk messages dropped ** [ 1331.007064][ T32] Workqueue: events bpf_prog_free_deferred ** 1 printk messages dropped ** [ 1331.007176][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.007233][ T32] r10:8291a684 r9:eaad5d84 r8:00000002 r7:60000013 r6:eaad5d8c r5:8513bc00 [ 1331.007259][ T32] r4:8513bc00 [ 1331.007281][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.007339][ T32] r5:8513bc00 r4:8291a680 [ 1331.007362][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.007403][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.007451][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaad5e08 [ 1331.007495][ T32] r4:00000000 [ 1331.007522][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.007562][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.007600][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.007655][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850b9e80 [ 1331.007706][ T32] r4:00000000 [ 1331.007733][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.007784][ T32] r9:83018205 r8:8513bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1331.007809][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.007867][ T32] r5:00001000 r4:ea895000 [ 1331.007915][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.007965][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.008013][ T32] r5:8517378c r4:85173400 [ 1331.008036][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.008087][ T32] r7:ddde2d80 r6:83018200 r5:8517378c r4:850b3780 [ 1331.008111][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.008164][ T32] r10:61c88647 r9:8513bc00 r8:850b37ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.008189][ T32] r4:850b3780 [ 1331.008210][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1331.008381][ T32] r4:00000001 [ 1331.008409][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.008451][ T32] Exception stack(0xeaad5fb0 to 0xeaad5ff8) [ 1331.008483][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.008590][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.008629][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.008663][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.008700][ T32] r4:850b9d40 [ 1331.008957][ T32] INFO: task kworker/1:362:4062 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.008994][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.009092][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.009166][ T32] Call trace: ** 5 printk messages dropped ** [ 1331.027120][ T32] dd20: bd715000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 10 printk messages dropped ** [ 1331.027694][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1331.027993][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 14 printk messages dropped ** [ 1331.028600][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 10 printk messages dropped ** [ 1331.029186][ T32] r4:8513e000 ** 8 printk messages dropped ** [ 1331.042709][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1331.043110][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1331.043427][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 11 printk messages dropped ** [ 1331.044340][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1331.044872][ T32] r4:82ac21e4 ** 10 printk messages dropped ** [ 1331.045324][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 12 printk messages dropped ** [ 1331.045813][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1331.046088][ T32] task:kworker/1:364 state:D stack:0 pid:4066 tgid:4066 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.046140][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.046202][ T32] Call trace: [ 1331.046259][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.046322][ T32] r10:8291a684 r9:eaae5d84 r8:00000002 r7:60000113 r6:eaae5d8c r5:8513d400 [ 1331.046349][ T32] r4:8513d400 [ 1331.046372][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.046420][ T32] r5:8513d400 r4:8291a680 [ 1331.046465][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.046513][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.046560][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaae5e08 [ 1331.046585][ T32] r4:00000000 [ 1331.046605][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.046654][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.046697][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.046742][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850c5100 [ 1331.046766][ T32] r4:00000000 [ 1331.046816][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.046870][ T32] r9:83018205 r8:8513d400 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 [ 1331.046895][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.046940][ T32] r5:00001000 r4:ea8b7000 [ 1331.046962][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.047032][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.047085][ T32] r5:85173f8c r4:85173c00 [ 1331.047108][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.047172][ T32] r7:ddde2d80 r6:83018200 r5:85173f8c r4:850b3880 [ 1331.047200][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.047254][ T32] r10:61c88647 r9:8513d400 r8:850b38ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.047279][ T32] r4:850b3880 [ 1331.047323][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.047411][ T32] r10:00000000 r9:850b3880 r8:80287e08 r7:eaabde60 r6:850bf180 r5:8513d400 [ 1331.047475][ T32] r4:00000001 [ 1331.047501][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.047567][ T32] Exception stack(0xeaae5fb0 to 0xeaae5ff8) [ 1331.047607][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.047651][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.047724][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.047767][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.047793][ T32] r4:850c5000 [ 1331.048041][ T32] INFO: task kworker/1:364:4066 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.048097][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 1 printk messages dropped ** [ 1331.048291][ T32] Call trace: ** 5 printk messages dropped ** [ 1331.048535][ T32] dd20: bda12000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 13 printk messages dropped ** [ 1331.049074][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1331.062119][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.062180][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.062257][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.062312][ T32] r4:84ab5800 [ 1331.062342][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.062398][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.062448][ T32] r4:00000001 [ 1331.062500][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.062551][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.062610][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.062695][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.062730][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.062778][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.062834][ T32] r4:84ab0640 [ 1331.062887][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.062925][ T32] INFO: task kworker/1:365:4069 blocked for more than 457 seconds. [ 1331.062987][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.063031][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.063060][ T32] task:kworker/1:365 state:D stack:0 pid:4069 tgid:4069 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.063126][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.063207][ T32] Call trace: [ 1331.063284][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.063382][ T32] r10:8291a684 r9:eaaedd84 r8:00000002 r7:60000113 r6:eaaedd8c r5:8513c800 [ 1331.063419][ T32] r4:8513c800 [ 1331.063442][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.063491][ T32] r5:8513c800 r4:8291a680 [ 1331.063514][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.063557][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.063620][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaaede08 ** 10 printk messages dropped ** [ 1331.064121][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.064189][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1331.064362][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1331.064643][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1331.064871][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1331.065682][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1331.065830][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 10 printk messages dropped ** [ 1331.066255][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 10 printk messages dropped ** [ 1331.066754][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1331.066896][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1331.067259][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 4 printk messages dropped ** [ 1331.067552][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.067605][ T32] r10:8291a684 r9:eaaf9d84 r8:00000002 r7:60000113 r6:eaaf9d8c r5:8513ec00 [ 1331.067630][ T32] r4:8513ec00 [ 1331.067652][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.067699][ T32] r5:8513ec00 r4:8291a680 [ 1331.067720][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.067761][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.067806][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaaf9e08 [ 1331.067830][ T32] r4:00000000 [ 1331.067858][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.067902][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.067966][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.068018][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850c5440 [ 1331.068044][ T32] r4:00000000 [ 1331.068066][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.068114][ T32] r9:83018205 r8:8513ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1331.068149][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.068199][ T32] r5:00001000 r4:ea8cf000 [ 1331.068221][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.068280][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.068377][ T32] r5:8517478c r4:85174400 [ 1331.068405][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.068459][ T32] r7:ddde2d80 r6:83018200 r5:8517478c r4:850b3980 [ 1331.068483][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.068568][ T32] r10:61c88647 r9:8513ec00 r8:850b39ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.068604][ T32] r4:850b3980 [ 1331.068628][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.068678][ T32] r10:00000000 r9:850b3980 r8:80287e08 r7:eaabde60 r6:850bf280 r5:8513ec00 [ 1331.068703][ T32] r4:00000001 [ 1331.068723][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.068768][ T32] Exception stack(0xeaaf9fb0 to 0xeaaf9ff8) [ 1331.068799][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.068830][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.068859][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.068890][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.068915][ T32] r4:850c5140 [ 1331.069164][ T32] INFO: task kworker/1:366:4071 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.069199][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.089688][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.089828][ T32] Call trace: [ 1331.089893][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.089999][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.090032][ T32] r4:00000000 [ 1331.090080][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.090139][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.090174][ T32] dd20: be0cf000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.090207][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.090236][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.090287][ T32] r5:800d0013 r4:80239bb0 [ 1331.090360][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.090443][ T32] r4:82ac21e4 [ 1331.090494][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.090552][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.090578][ T32] r4:e044ddc0 [ 1331.090600][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.090658][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 6 printk messages dropped ** [ 1331.090981][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1331.091389][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 1 printk messages dropped ** [ 1331.091458][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.091493][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.091542][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.091575][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.091634][ T32] r4:84ab0640 [ 1331.091707][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.091745][ T32] INFO: task kworker/1:367:4072 blocked for more than 457 seconds. [ 1331.091784][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.091813][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.091840][ T32] task:kworker/1:367 state:D stack:0 pid:4072 tgid:4072 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.091895][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.091941][ T32] Call trace: [ 1331.091994][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.092052][ T32] r10:8291a684 r9:eaafdd84 r8:00000002 r7:60000013 r6:eaafdd8c r5:85130000 [ 1331.092096][ T32] r4:85130000 [ 1331.092125][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.092175][ T32] r5:85130000 r4:8291a680 [ 1331.092199][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.092242][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.092289][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaafde08 [ 1331.092325][ T32] r4:00000000 [ 1331.092347][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.092384][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.092421][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.092466][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850c5580 [ 1331.092490][ T32] r4:00000000 [ 1331.092530][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.092585][ T32] r9:83018205 r8:85130000 r7:00000000 r6:83018200 r5:00001000 r4:7f09b000 [ 1331.092627][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.092679][ T32] r5:00001000 r4:ea8e3000 ** 1 printk messages dropped ** [ 1331.092797][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1331.093063][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1331.093427][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1331.094420][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1331.094613][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1331.094897][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 7 printk messages dropped ** [ 1331.095206][ T32] r5:84a2438c r4:84a24000 ** 5 printk messages dropped ** [ 1331.095498][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1331.095788][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1331.096140][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1331.096475][ T32] r5:85133000 r4:8291a680 ** 5 printk messages dropped ** [ 1331.096711][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1331.097062][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1331.097293][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1331.097589][ T32] Exception stack(0xeab0dfb0 to 0xeab0dff8) ** 6 printk messages dropped ** [ 1331.098166][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.098280][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.098363][ T32] Call trace: [ 1331.098395][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.098473][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.098504][ T32] r4:00000000 [ 1331.098526][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.098570][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.098625][ T32] dd20: be0cf000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.098683][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.098738][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.098772][ T32] r5:800d0013 r4:80239bb0 [ 1331.098795][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.098843][ T32] r4:82ac21e4 [ 1331.098865][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.098912][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.098936][ T32] r4:e044ddc0 [ 1331.098965][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.099041][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.099070][ T32] r4:00000000 [ 1331.099093][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.099144][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.099167][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.099213][ T32] r5:00001000 r4:dfe3d000 [ 1331.099235][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.099278][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.129910][ T32] r5:84a2438c r4:84a24000 [ 1331.130010][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.130115][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.130144][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.130227][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.130282][ T32] r4:84ab5800 [ 1331.130316][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.130379][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.130407][ T32] r4:00000001 [ 1331.130454][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.130507][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.130562][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.130624][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.130677][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.130734][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.130802][ T32] r4:84ab0640 [ 1331.130874][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.130985][ T32] INFO: task kworker/1:369:4077 blocked for more than 457 seconds. [ 1331.131073][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.131160][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.131217][ T32] task:kworker/1:369 state:D stack:0 pid:4077 tgid:4077 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.131379][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.131507][ T32] Call trace: [ 1331.131585][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.131742][ T32] r10:8291a684 r9:eaa95d84 r8:00000002 r7:60000113 r6:eaa95d8c r5:8512a400 [ 1331.131814][ T32] r4:8512a400 [ 1331.131862][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.132007][ T32] r5:8512a400 r4:8291a680 [ 1331.132065][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.132156][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.132271][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa95e08 [ 1331.132351][ T32] r4:00000000 [ 1331.132419][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.132543][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.132652][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.132763][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850c5ac0 [ 1331.132821][ T32] r4:00000000 [ 1331.132894][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.133006][ T32] r9:83018205 r8:8512a400 r7:00000000 r6:83018200 r5:00001000 r4:7f0c9000 [ 1331.133067][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.133204][ T32] r5:00001000 r4:ea925000 [ 1331.133268][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.133374][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.133470][ T32] r5:85175b8c r4:85175800 [ 1331.133521][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.133638][ T32] r7:ddde2d80 r6:83018200 r5:85175b8c r4:850b3b00 [ 1331.133691][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.133806][ T32] r10:61c88647 r9:8512a400 r8:850b3b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.133871][ T32] r4:850b3b00 [ 1331.133925][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.134027][ T32] r10:00000000 r9:850b3b00 r8:80287e08 r7:eab0de60 r6:850b3b80 r5:8512a400 [ 1331.134135][ T32] r4:00000001 [ 1331.134202][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.134309][ T32] Exception stack(0xeaa95fb0 to 0xeaa95ff8) [ 1331.134388][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.134481][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.134554][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.134592][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.134618][ T32] r4:850c5680 [ 1331.135086][ T32] INFO: task kworker/1:369:4077 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.135126][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.135216][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.135275][ T32] Call trace: [ 1331.135340][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.135424][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.135491][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1331.135563][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 4 printk messages dropped ** [ 1331.135791][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1331.136248][ T32] r5:00001000 r4:dfe3d000 ** 6 printk messages dropped ** [ 1331.136604][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1331.136869][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1331.137347][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1331.137801][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1331.138144][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1331.138375][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1331.138498][ T32] r7:ddde2d80 r6:83018200 r5:8517578c r4:850b3c00 ** 4 printk messages dropped ** [ 1331.138693][ T32] r10:00000000 r9:850b3c00 r8:80287e08 r7:eaa95e60 r6:850b3c80 r5:8512b000 ** 6 printk messages dropped ** [ 1331.138988][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 4 printk messages dropped ** [ 1331.163192][ T32] Call trace: ** 4 printk messages dropped ** [ 1331.163500][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 6 printk messages dropped ** [ 1331.163885][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.163933][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.163959][ T32] r4:e044ddc0 [ 1331.163982][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.164062][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.164095][ T32] r4:00000000 [ 1331.164120][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.164178][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.164226][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.164282][ T32] r5:00001000 r4:dfe3d000 [ 1331.164323][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.164410][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.164485][ T32] r5:84a2438c r4:84a24000 [ 1331.164580][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.164657][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.164684][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.164737][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.164763][ T32] r4:84ab5800 [ 1331.164810][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.164868][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.164897][ T32] r4:00000001 [ 1331.164942][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.164987][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.165017][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.165049][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.165102][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.165140][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.165192][ T32] r4:84ab0640 [ 1331.165244][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.165284][ T32] INFO: task kworker/1:371:4082 blocked for more than 457 seconds. [ 1331.165335][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.165367][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.165392][ T32] task:kworker/1:371 state:D stack:0 pid:4082 tgid:4082 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.165451][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.165501][ T32] Call trace: [ 1331.165573][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.165631][ T32] r10:8291a684 r9:eab09d84 r8:00000002 r7:60000013 r6:eab09d8c r5:8512c800 [ 1331.165658][ T32] r4:8512c800 [ 1331.165682][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.165729][ T32] r5:8512c800 r4:8291a680 [ 1331.165752][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.165795][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.165841][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab09e08 [ 1331.165866][ T32] r4:00000000 [ 1331.165889][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.165926][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 1 printk messages dropped ** [ 1331.166008][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850c5c00 ** 7 printk messages dropped ** [ 1331.166325][ T32] r5:85175f8c r4:85175c00 [ 1331.166349][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.166399][ T32] r7:ddde2d80 r6:83018200 r5:85175f8c r4:850b3d00 ** 1 printk messages dropped ** [ 1331.166500][ T32] r10:61c88647 r9:8512c800 r8:850b3d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1331.166803][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1331.167448][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1331.167976][ T32] r5:800d0013 r4:80239bb0 ** 4 printk messages dropped ** [ 1331.168172][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1331.168415][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 8 printk messages dropped ** [ 1331.168858][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1331.169097][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.169128][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.169181][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.169319][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.182702][ T32] r4:84ab0640 [ 1331.182796][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.182858][ T32] INFO: task kworker/1:372:4084 blocked for more than 457 seconds. [ 1331.182931][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.183001][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.183055][ T32] task:kworker/1:372 state:D stack:0 pid:4084 tgid:4084 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.183170][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.183309][ T32] Call trace: [ 1331.183393][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.183562][ T32] r10:8291a684 r9:eab19d84 r8:00000002 r7:60000113 r6:eab19d8c r5:8512d400 [ 1331.183609][ T32] r4:8512d400 [ 1331.183636][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.183707][ T32] r5:8512d400 r4:8291a680 [ 1331.183737][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.183801][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.183850][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab19e08 [ 1331.183896][ T32] r4:00000000 [ 1331.183920][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.183981][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.184025][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.184067][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850c5f00 [ 1331.184116][ T32] r4:00000000 [ 1331.184141][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.184190][ T32] r9:83018205 r8:8512d400 r7:00000000 r6:83018200 r5:00001000 r4:7f0cf000 [ 1331.184235][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.184307][ T32] r5:00001000 r4:ea955000 ** 2 printk messages dropped ** [ 1331.184456][ T32] r5:8517678c r4:85176400 [ 1331.184485][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.184582][ T32] r7:ddde2d80 r6:83018200 r5:8517678c r4:850b3e00 [ 1331.184631][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.184687][ T32] r10:61c88647 r9:8512d400 r8:850b3e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.184711][ T32] r4:850b3e00 [ 1331.184763][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.184821][ T32] r10:00000000 r9:850b3e00 r8:80287e08 r7:eab09e60 r6:850b3e80 r5:8512d400 [ 1331.184862][ T32] r4:00000001 [ 1331.184898][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.184953][ T32] Exception stack(0xeab19fb0 to 0xeab19ff8) [ 1331.184991][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.185024][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.185061][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.185094][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.185130][ T32] r4:850c5a80 [ 1331.185614][ T32] INFO: task kworker/1:372:4084 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.185681][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1331.186412][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 18 printk messages dropped ** [ 1331.187277][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 12 printk messages dropped ** [ 1331.187752][ T32] task:kworker/1:373 state:D stack:0 pid:4085 tgid:4085 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 20 printk messages dropped ** [ 1331.188835][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1331.189084][ T32] r10:61c88647 r9:8512e000 r8:850b3f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 13 printk messages dropped ** [ 1331.207208][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1331.207746][ T32] r4:82ac21e4 ** 9 printk messages dropped ** [ 1331.208191][ T32] r5:00001000 r4:dfe3d000 ** 10 printk messages dropped ** [ 1331.208805][ T32] r4:00000001 ** 8 printk messages dropped ** [ 1331.209121][ T32] INFO: task kworker/1:374:4087 blocked for more than 457 seconds. ** 13 printk messages dropped ** [ 1331.222982][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1331.223505][ T32] r5:00001000 r4:ea95f000 ** 3 printk messages dropped ** [ 1331.223676][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.223732][ T32] r7:ddde2d80 r6:83018200 r5:85176b8c r4:850b3280 [ 1331.223785][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.223843][ T32] r10:61c88647 r9:8512ec00 r8:850b32ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.223892][ T32] r4:850b3280 [ 1331.223918][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.223970][ T32] r10:00000000 r9:850b3280 r8:80287e08 r7:eab19e60 r6:8518f000 r5:8512ec00 [ 1331.223995][ T32] r4:00000001 [ 1331.224016][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.224056][ T32] Exception stack(0xeab21fb0 to 0xeab21ff8) [ 1331.224132][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1331.224198][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.224254][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.224292][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.224323][ T32] r4:8518d000 [ 1331.224814][ T32] INFO: task kworker/1:374:4087 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.224885][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.224958][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.225008][ T32] Call trace: [ 1331.225069][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.225127][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.225176][ T32] r4:00000000 [ 1331.225202][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.225260][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.225295][ T32] dd20: bf459000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.225336][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.225364][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.225390][ T32] r5:800d0013 r4:80239bb0 [ 1331.225436][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.225486][ T32] r4:82ac21e4 [ 1331.225524][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.225575][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.225600][ T32] r4:e044ddc0 [ 1331.225644][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.225720][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.225772][ T32] r4:00000000 [ 1331.225797][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.225894][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.225952][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.226014][ T32] r5:00001000 r4:dfe3d000 [ 1331.226041][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.226105][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.226178][ T32] r5:84a2438c r4:84a24000 [ 1331.226210][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.226263][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.226329][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.226387][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.226413][ T32] r4:84ab5800 [ 1331.226436][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.226487][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.226513][ T32] r4:00000001 [ 1331.226533][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.226571][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.226599][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.226629][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.226658][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.226690][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.226736][ T32] r4:84ab0640 [ 1331.226764][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.226795][ T32] INFO: task kworker/1:375:4089 blocked for more than 457 seconds. [ 1331.226845][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.226876][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.226900][ T32] task:kworker/1:375 state:D stack:0 pid:4089 tgid:4089 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.226949][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.227047][ T32] Call trace: [ 1331.227095][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.227151][ T32] r10:8291a684 r9:eab25d84 r8:00000002 r7:60000113 r6:eab25d8c r5:85140000 [ 1331.227186][ T32] r4:85140000 [ 1331.227221][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.227273][ T32] r5:85140000 r4:8291a680 [ 1331.227323][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.227399][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.227473][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab25e08 [ 1331.227501][ T32] r4:00000000 [ 1331.227523][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.227583][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.227636][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.227708][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8518da80 [ 1331.227737][ T32] r4:00000000 [ 1331.227761][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.227810][ T32] r9:83018205 r8:85140000 r7:00000000 r6:83018200 r5:00001000 r4:7f0db000 [ 1331.227834][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.227901][ T32] r5:00001000 r4:eab4b000 [ 1331.227929][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.228023][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.228099][ T32] r5:85177b8c r4:85177800 [ 1331.228132][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.228228][ T32] r7:ddde2d80 r6:83018200 r5:85177b8c r4:8518f080 [ 1331.228255][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.228315][ T32] r10:61c88647 r9:85140000 r8:8518f0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.228344][ T32] r4:8518f080 [ 1331.228367][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.228416][ T32] r10:00000000 r9:8518f080 r8:80287e08 r7:eab21e60 r6:8518f100 r5:85140000 [ 1331.228441][ T32] r4:00000001 [ 1331.228461][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.228517][ T32] Exception stack(0xeab25fb0 to 0xeab25ff8) [ 1331.228597][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.228637][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.228680][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.228715][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.228740][ T32] r4:8518d000 [ 1331.228996][ T32] INFO: task kworker/1:375:4089 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.229058][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.229171][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1331.248684][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1331.248927][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1331.249167][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 11 printk messages dropped ** [ 1331.250205][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1331.250603][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1331.250984][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1331.251310][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1331.251712][ T32] r9:83018205 r8:85140c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0d5000 ** 4 printk messages dropped ** [ 1331.251901][ T32] r5:85176f8c r4:85176c00 ** 3 printk messages dropped ** [ 1331.252075][ T32] r10:61c88647 r9:85140c00 r8:8518f1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1331.252457][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.252537][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.252583][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.252634][ T32] r4:8518d000 [ 1331.253025][ T32] INFO: task kworker/1:376:4090 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.253064][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.253129][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.253243][ T32] Call trace: [ 1331.253335][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.253419][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.253473][ T32] r4:00000000 [ 1331.253514][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.253561][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.253637][ T32] dd20: bf83e000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.253673][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.253725][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.253756][ T32] r5:800d0013 r4:80239bb0 [ 1331.253779][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.253853][ T32] r4:82ac21e4 [ 1331.253880][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.253926][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.253951][ T32] r4:e044ddc0 [ 1331.253972][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.254041][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.254073][ T32] r4:00000000 [ 1331.254095][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.254145][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.254193][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.254244][ T32] r5:00001000 r4:dfe3d000 [ 1331.254319][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.254395][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.254447][ T32] r5:84a2438c r4:84a24000 [ 1331.254470][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.254530][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.254558][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.254610][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.254636][ T32] r4:84ab5800 [ 1331.254656][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.254741][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.254771][ T32] r4:00000001 [ 1331.254802][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.254844][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.254873][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.254926][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.255006][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.255055][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.255106][ T32] r4:84ab0640 [ 1331.255144][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.255175][ T32] INFO: task kworker/1:377:4094 blocked for more than 457 seconds. [ 1331.255215][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.255270][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.255306][ T32] task:kworker/1:377 state:D stack:0 pid:4094 tgid:4094 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.255383][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.255428][ T32] Call trace: [ 1331.255509][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.255589][ T32] r10:8291a684 r9:eab11d84 r8:00000002 r7:60000113 r6:eab11d8c r5:85141800 [ 1331.255617][ T32] r4:85141800 [ 1331.255639][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.255687][ T32] r5:85141800 r4:8291a680 [ 1331.255709][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.255772][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.255822][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab11e08 [ 1331.255847][ T32] r4:00000000 [ 1331.255868][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.255929][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.255997][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.256067][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8518d680 ** 4 printk messages dropped ** [ 1331.256275][ T32] r5:00001000 r4:ea98f000 ** 2 printk messages dropped ** [ 1331.256472][ T32] r5:8517738c r4:85177000 [ 1331.256516][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1331.256733][ T32] r10:61c88647 r9:85141800 r8:8518f2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1331.257198][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1331.257736][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.257782][ T32] r4:00000000 [ 1331.257807][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.257850][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.257879][ T32] dd20: bf83e000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.257909][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.257936][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.257974][ T32] r5:800d0013 r4:80239bb0 [ 1331.258040][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.258088][ T32] r4:82ac21e4 [ 1331.258110][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.258200][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.258228][ T32] r4:e044ddc0 [ 1331.258250][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.258328][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.258381][ T32] r4:00000000 [ 1331.258406][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.258479][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.258528][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.258577][ T32] r5:00001000 r4:dfe3d000 [ 1331.258600][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.258642][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.258686][ T32] r5:84a2438c r4:84a24000 [ 1331.258707][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.258755][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.258800][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.258855][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.258881][ T32] r4:84ab5800 [ 1331.258901][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.258977][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.259037][ T32] r4:00000001 [ 1331.259084][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.259125][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.259185][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.259266][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.281352][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.281441][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.281513][ T32] r4:84ab0640 [ 1331.281568][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.281606][ T32] INFO: task kworker/0:112:4095 blocked for more than 457 seconds. [ 1331.281667][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.281699][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.281741][ T32] task:kworker/0:112 state:D stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.281811][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.281905][ T32] Call trace: ** 1 printk messages dropped ** [ 1331.282004][ T32] r10:8291a684 r9:eab31d84 r8:00000002 r7:60000113 r6:eab31d8c r5:85142400 ** 8 printk messages dropped ** [ 1331.282416][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1331.282958][ T32] r5:8510038c r4:85100000 [ 1331.283003][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.283060][ T32] r7:dddced80 r6:83018000 r5:8510038c r4:850bf400 ** 2 printk messages dropped ** [ 1331.283228][ T32] r4:850bf400 ** 5 printk messages dropped ** [ 1331.283481][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1331.284325][ T32] Call trace: ** 6 printk messages dropped ** [ 1331.284682][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1331.285080][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.285112][ T32] r4:00000000 [ 1331.285139][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.285194][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.285223][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.285297][ T32] r5:00001000 r4:dfe3d000 [ 1331.285330][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.285375][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.285420][ T32] r5:84a2438c r4:84a24000 [ 1331.285442][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.285491][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.285539][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.285595][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.285619][ T32] r4:84ab5800 [ 1331.285663][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.285728][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.285790][ T32] r4:00000001 [ 1331.285838][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.285882][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.285938][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.285997][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.286033][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.286087][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.286115][ T32] r4:84ab0640 [ 1331.286182][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.286237][ T32] INFO: task kworker/1:378:4097 blocked for more than 457 seconds. [ 1331.286272][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.286298][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.286328][ T32] task:kworker/1:378 state:D stack:0 pid:4097 tgid:4097 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.286376][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.286421][ T32] Call trace: [ 1331.286514][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.286569][ T32] r10:8291a684 r9:eab39d84 r8:00000002 r7:60000013 r6:eab39d8c r5:85143000 [ 1331.286643][ T32] r4:85143000 [ 1331.286669][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.286740][ T32] r5:85143000 r4:8291a680 [ 1331.286766][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.286831][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.286904][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab39e08 [ 1331.286932][ T32] r4:00000000 [ 1331.286956][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.286995][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.287061][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.287135][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8518d880 [ 1331.287164][ T32] r4:00000000 [ 1331.287209][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.287261][ T32] r9:83018205 r8:85143000 r7:00000000 r6:83018200 r5:00001000 r4:7f0d9000 [ 1331.287285][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.287361][ T32] r5:00001000 r4:eab3b000 [ 1331.287389][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.287433][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.287478][ T32] r5:8517778c r4:85177400 [ 1331.287522][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.287600][ T32] r7:ddde2d80 r6:83018200 r5:8517778c r4:8518f400 [ 1331.287628][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.287681][ T32] r10:61c88647 r9:85143000 r8:8518f42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.287705][ T32] r4:8518f400 [ 1331.287750][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.287802][ T32] r10:00000000 r9:8518f400 r8:80287e08 r7:eab25e60 r6:8518f480 r5:85143000 [ 1331.287827][ T32] r4:00000001 [ 1331.287858][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.287933][ T32] Exception stack(0xeab39fb0 to 0xeab39ff8) [ 1331.287967][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.287998][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.288028][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.288085][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1331.288799][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1331.314856][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1331.315344][ T32] r5:84a2438c r4:84a24000 ** 6 printk messages dropped ** [ 1331.315703][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 5 printk messages dropped ** [ 1331.316042][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1331.316494][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1331.317034][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 11 printk messages dropped ** [ 1331.317520][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1331.317769][ T32] r7:ddde2d80 r6:83018200 r5:85177f8c r4:8518f500 ** 1 printk messages dropped ** [ 1331.317861][ T32] r10:61c88647 r9:85143c00 r8:8518f52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.317885][ T32] r4:8518f500 [ 1331.317917][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.317971][ T32] r10:00000000 r9:8518f500 r8:80287e08 r7:eab25e60 r6:850bf480 r5:85143c00 [ 1331.318011][ T32] r4:00000001 [ 1331.318035][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.318076][ T32] Exception stack(0xeab49fb0 to 0xeab49ff8) [ 1331.318129][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.318164][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.318193][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.318224][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.318247][ T32] r4:8518d700 [ 1331.318869][ T32] INFO: task kworker/1:379:4098 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.318918][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.319002][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.319089][ T32] Call trace: [ 1331.319160][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.319217][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.319268][ T32] r4:00000000 [ 1331.319294][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.319422][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.331993][ T32] dd20: c0537000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.332071][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.332129][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.332164][ T32] r5:800d0013 r4:80239bb0 [ 1331.332211][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.332276][ T32] r4:82ac21e4 [ 1331.332298][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.332351][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.332375][ T32] r4:e044ddc0 [ 1331.332397][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.332465][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 7 printk messages dropped ** [ 1331.332815][ T32] r5:84a2438c r4:84a24000 ** 3 printk messages dropped ** [ 1331.333039][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.333090][ T32] r4:84ab5800 [ 1331.333137][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.333216][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.333255][ T32] r4:00000001 [ 1331.333283][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.333334][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.333386][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.333436][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.333468][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.333500][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.333547][ T32] r4:84ab0640 [ 1331.333576][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.333609][ T32] INFO: task kworker/1:380:4101 blocked for more than 457 seconds. [ 1331.333668][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.333703][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.333728][ T32] task:kworker/1:380 state:D stack:0 pid:4101 tgid:4101 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.333789][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.333863][ T32] Call trace: [ 1331.333924][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.334027][ T32] r10:8291a684 r9:eab65d84 r8:00000002 r7:60000113 r6:eab65d8c r5:85131800 [ 1331.334057][ T32] r4:85131800 [ 1331.334102][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.334152][ T32] r5:85131800 r4:8291a680 [ 1331.334174][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.334216][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.334261][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab65e08 [ 1331.334329][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1331.334539][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8518dd40 ** 7 printk messages dropped ** [ 1331.334890][ T32] r5:8518038c r4:85180000 [ 1331.334938][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1331.335090][ T32] r10:61c88647 r9:85131800 r8:8518f5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1331.335416][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1331.336236][ T32] Call trace: ** 4 printk messages dropped ** [ 1331.336547][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1331.336974][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1331.337423][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1331.337835][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.337864][ T32] r4:00000001 [ 1331.337897][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.337965][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.338003][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.338034][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.338086][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.338143][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.338171][ T32] r4:84ab0640 [ 1331.338192][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.338232][ T32] INFO: task kworker/1:381:4103 blocked for more than 457 seconds. [ 1331.338265][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.338333][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.338385][ T32] task:kworker/1:381 state:D stack:0 pid:4103 tgid:4103 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.338439][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.338517][ T32] Call trace: [ 1331.338551][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.338626][ T32] r10:8291a684 r9:eab45d84 r8:00000002 r7:60000013 r6:eab45d8c r5:85144800 [ 1331.338678][ T32] r4:85144800 [ 1331.338739][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.338812][ T32] r5:85144800 r4:8291a680 [ 1331.338867][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.338939][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.338989][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab45e08 [ 1331.339051][ T32] r4:00000000 [ 1331.339076][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.339154][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.339196][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.339264][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850b8ec0 [ 1331.339354][ T32] r4:00000000 [ 1331.339429][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.362951][ T32] r9:83018205 r8:85144800 r7:00000000 r6:83018200 r5:00001000 r4:7f0e5000 [ 1331.363009][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.363087][ T32] r5:00001000 r4:eab8f000 ** 2 printk messages dropped ** [ 1331.363205][ T32] r5:85180f8c r4:85180c00 [ 1331.363228][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.363325][ T32] r7:ddde2d80 r6:83018200 r5:85180f8c r4:8518f600 [ 1331.363370][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.363452][ T32] r10:61c88647 r9:85144800 r8:8518f62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.363487][ T32] r4:8518f600 [ 1331.363533][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.363590][ T32] r10:00000000 r9:8518f600 r8:80287e08 r7:eab65e60 r6:8518f680 r5:85144800 [ 1331.363629][ T32] r4:00000001 [ 1331.363676][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.363724][ T32] Exception stack(0xeab45fb0 to 0xeab45ff8) [ 1331.363759][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.363791][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.363845][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.363882][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.363908][ T32] r4:8518dbc0 [ 1331.364368][ T32] INFO: task kworker/1:381:4103 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.364422][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.364521][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.364579][ T32] Call trace: [ 1331.364615][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.364697][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.364729][ T32] r4:00000000 [ 1331.364751][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.364819][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.364858][ T32] dd20: c0ace000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.364892][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.364953][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.364983][ T32] r5:800d0013 r4:80239bb0 [ 1331.365007][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.365054][ T32] r4:82ac21e4 [ 1331.365077][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.365137][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.365166][ T32] r4:e044ddc0 [ 1331.365188][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1331.365426][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1331.365901][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1331.366161][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1331.366531][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1331.366778][ T32] r4:85145400 [ 1331.366806][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.366854][ T32] r5:85145400 r4:8291a680 [ 1331.366876][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.366941][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.366993][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab55e08 [ 1331.367018][ T32] r4:00000000 [ 1331.367062][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.367132][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.367197][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.367247][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8518de00 [ 1331.367272][ T32] r4:00000000 [ 1331.367294][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.367353][ T32] r9:83018205 r8:85145400 r7:00000000 r6:83018200 r5:00001000 r4:7f0e1000 [ 1331.367377][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.367425][ T32] r5:00001000 r4:eab73000 [ 1331.367463][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.367529][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.367581][ T32] r5:8518078c r4:85180400 [ 1331.367626][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.367681][ T32] r7:ddde2d80 r6:83018200 r5:8518078c r4:8518f700 [ 1331.367704][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1331.367889][ T32] r10:00000000 r9:8518f700 r8:80287e08 r7:eab45e60 r6:8518f780 r5:85145400 ** 8 printk messages dropped ** [ 1331.368618][ T32] INFO: task kworker/1:382:4105 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 10 printk messages dropped ** [ 1331.369191][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1331.381436][ T32] r4:e044ddc0 ** 7 printk messages dropped ** [ 1331.381750][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1331.382256][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 5 printk messages dropped ** [ 1331.382543][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1331.382914][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1331.383325][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1331.383721][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1331.384083][ T32] r5:85180b8c r4:85180800 [ 1331.384106][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1331.384332][ T32] r4:8518f800 ** 5 printk messages dropped ** [ 1331.384606][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1331.385533][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1331.385970][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 1 printk messages dropped ** [ 1331.386069][ T32] r5:800d0013 r4:80239bb0 [ 1331.386093][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.386164][ T32] r4:82ac21e4 [ 1331.386214][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.386272][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.386298][ T32] r4:e044ddc0 [ 1331.386353][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.386434][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.386464][ T32] r4:00000000 [ 1331.386487][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.386538][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.386575][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.386627][ T32] r5:00001000 r4:dfe3d000 [ 1331.386677][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.386760][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.386818][ T32] r5:84a2438c r4:84a24000 [ 1331.386842][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.386894][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.386918][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.386987][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.387041][ T32] r4:84ab5800 [ 1331.387073][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.387150][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.387185][ T32] r4:00000001 [ 1331.387207][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.387247][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.387275][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.387347][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.387383][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.387416][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.387440][ T32] r4:84ab0640 [ 1331.387461][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.387511][ T32] INFO: task kworker/1:384:4110 blocked for more than 457 seconds. [ 1331.387570][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.387601][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.387625][ T32] task:kworker/1:384 state:D stack:0 pid:4110 tgid:4110 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.387673][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.387746][ T32] Call trace: [ 1331.387795][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.387848][ T32] r10:8291a684 r9:eab7dd84 r8:00000002 r7:60000113 r6:eab7dd8c r5:85146c00 [ 1331.387873][ T32] r4:85146c00 [ 1331.387906][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.387980][ T32] r5:85146c00 r4:8291a680 [ 1331.388006][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.388051][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.388097][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab7de08 [ 1331.388122][ T32] r4:00000000 [ 1331.388143][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.388191][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.388239][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.388307][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848c2cc0 [ 1331.388359][ T32] r4:00000000 [ 1331.388396][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.388473][ T32] r9:83018205 r8:85146c00 r7:00000000 r6:83018200 r5:00001000 r4:7f00f000 [ 1331.388516][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.388565][ T32] r5:00001000 r4:df993000 [ 1331.388620][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.388693][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.388745][ T32] r5:8518178c r4:85181400 [ 1331.388768][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1331.388947][ T32] r4:8518f900 ** 6 printk messages dropped ** [ 1331.389199][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1331.408366][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1331.408788][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1331.408895][ T32] r4:e044ddc0 [ 1331.408941][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.408991][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.409015][ T32] r4:00000000 [ 1331.409036][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.409090][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.409135][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.409194][ T32] r5:00001000 r4:dfe3d000 [ 1331.422355][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.422510][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.422566][ T32] r5:84a2438c r4:84a24000 [ 1331.422591][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.422646][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.422671][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.422767][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.422807][ T32] r4:84ab5800 [ 1331.422857][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.422916][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.423165][ T32] r4:00000001 [ 1331.423329][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.423379][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.423446][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.423483][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.423513][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.423546][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 3 printk messages dropped ** [ 1331.423705][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1331.424159][ T32] r5:85148000 r4:8291a680 ** 5 printk messages dropped ** [ 1331.424411][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1331.424951][ T32] r5:8518138c r4:85181000 [ 1331.424973][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.425333][ T32] r7:ddde2d80 r6:83018200 r5:8518138c r4:8518fa00 ** 1 printk messages dropped ** [ 1331.425417][ T32] r10:61c88647 r9:85148000 r8:8518fa2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1331.426974][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1331.428032][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1331.428248][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1331.428416][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1331.428720][ T32] r5:00001000 r4:dfe3d000 ** 7 printk messages dropped ** [ 1331.429036][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1331.429129][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1331.452283][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1331.452688][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1331.453026][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1331.453459][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 4 printk messages dropped ** [ 1331.453672][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1331.454384][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1331.454473][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.454552][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.454588][ T32] r4:851a5040 [ 1331.455075][ T32] INFO: task kworker/1:386:4114 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.455117][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.455214][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.455310][ T32] Call trace: [ 1331.455490][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.455582][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.455688][ T32] r4:00000000 [ 1331.455714][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.455760][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.455792][ T32] dd20: c1608000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.455824][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.455852][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.455966][ T32] r5:800d0013 r4:80239bb0 [ 1331.456059][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.456110][ T32] r4:82ac21e4 [ 1331.456148][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.456199][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.456238][ T32] r4:e044ddc0 [ 1331.456272][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.456326][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.456352][ T32] r4:00000000 [ 1331.456374][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.456425][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.456448][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.456495][ T32] r5:00001000 r4:dfe3d000 [ 1331.456548][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.456596][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.456642][ T32] r5:84a2438c r4:84a24000 [ 1331.456691][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.456750][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.456774][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.456871][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.456903][ T32] r4:84ab5800 [ 1331.457043][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.457136][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.457167][ T32] r4:00000001 [ 1331.457231][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.457275][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.457324][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.457360][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.457391][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.457422][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.457447][ T32] r4:84ab0640 [ 1331.457469][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.457590][ T32] INFO: task kworker/1:387:4115 blocked for more than 457 seconds. [ 1331.457627][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.457698][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.457801][ T32] task:kworker/1:387 state:D stack:0 pid:4115 tgid:4115 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.457858][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.457904][ T32] Call trace: [ 1331.457969][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.458054][ T32] r10:8291a684 r9:e0601d84 r8:00000002 r7:60000113 r6:e0601d8c r5:85149800 [ 1331.458182][ T32] r4:85149800 [ 1331.458268][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.458355][ T32] r5:85149800 r4:8291a680 [ 1331.458379][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.458469][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.458535][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0601e08 [ 1331.458605][ T32] r4:00000000 [ 1331.458707][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.458750][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.458816][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.458867][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851a5540 [ 1331.458893][ T32] r4:00000000 [ 1331.458915][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.458965][ T32] r9:83018205 r8:85149800 r7:00000000 r6:83018200 r5:00001000 r4:7f02d000 [ 1331.458988][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.459075][ T32] r5:00001000 r4:dfa51000 [ 1331.459177][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.459224][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.479938][ T32] r5:8518238c r4:85182000 [ 1331.480066][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.480172][ T32] r7:ddde2d80 r6:83018200 r5:8518238c r4:8518fc00 [ 1331.480204][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.480277][ T32] r10:61c88647 r9:85149800 r8:8518fc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1331.480411][ T32] r10:00000000 r9:8518fc00 r8:80287e08 r7:eab99e60 r6:8518fc80 r5:85149800 ** 8 printk messages dropped ** [ 1331.481401][ T32] INFO: task kworker/1:387:4115 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 9 printk messages dropped ** [ 1331.482079][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 6 printk messages dropped ** [ 1331.482502][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1331.482836][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 8 printk messages dropped ** [ 1331.483244][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1331.483691][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1331.484253][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1331.484642][ T32] r5:8514a400 r4:8291a680 ** 3 printk messages dropped ** [ 1331.484852][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1331.484978][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.485023][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851a5380 [ 1331.485048][ T32] r4:00000000 [ 1331.485083][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.485229][ T32] r9:83018205 r8:8514a400 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 [ 1331.485259][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.485312][ T32] r5:00001000 r4:dfa17000 [ 1331.485335][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.485432][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.485552][ T32] r5:85181f8c r4:85181c00 [ 1331.485579][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.485631][ T32] r7:ddde2d80 r6:83018200 r5:85181f8c r4:8518fd00 [ 1331.485655][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.485708][ T32] r10:61c88647 r9:8514a400 r8:8518fd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.485886][ T32] r4:8518fd00 [ 1331.485976][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.486031][ T32] r10:00000000 r9:8518fd00 r8:80287e08 r7:e0601e60 r6:8518fd80 r5:8514a400 [ 1331.486084][ T32] r4:00000001 [ 1331.486109][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.486149][ T32] Exception stack(0xe0625fb0 to 0xe0625ff8) [ 1331.486206][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.486306][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.486351][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.486384][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.486409][ T32] r4:851a52c0 [ 1331.486675][ T32] INFO: task kworker/1:388:4117 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.486713][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.486789][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.486844][ T32] Call trace: [ 1331.486913][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.486974][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.487000][ T32] r4:00000000 [ 1331.487022][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.487065][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.487094][ T32] dd20: c18bd000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.487151][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.487183][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.487238][ T32] r5:800d0013 r4:80239bb0 [ 1331.487293][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.487406][ T32] r4:82ac21e4 [ 1331.487434][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.487499][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.487557][ T32] r4:e044ddc0 [ 1331.487611][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.487693][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.487723][ T32] r4:00000000 [ 1331.487763][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.487821][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.487846][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.487893][ T32] r5:00001000 r4:dfe3d000 [ 1331.487921][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.487969][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.488016][ T32] r5:84a2438c r4:84a24000 [ 1331.488038][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.488089][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.488112][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.488162][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.488186][ T32] r4:84ab5800 [ 1331.488237][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.488294][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.488335][ T32] r4:00000001 [ 1331.488358][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.488452][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.488486][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.488548][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.488580][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.488654][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.488683][ T32] r4:84ab0640 [ 1331.488721][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.488780][ T32] INFO: task kworker/1:389:4119 blocked for more than 457 seconds. [ 1331.488817][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.488845][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.488968][ T32] task:kworker/1:389 state:D stack:0 pid:4119 tgid:4119 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.489036][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.489088][ T32] Call trace: [ 1331.489122][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.489173][ T32] r10:8291a684 r9:eaba9d84 r8:00000002 r7:60000113 r6:eaba9d8c r5:8514b000 [ 1331.489199][ T32] r4:8514b000 [ 1331.489311][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.511271][ T32] r5:8514b000 r4:8291a680 [ 1331.511334][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.511415][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.511469][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaba9e08 ** 4 printk messages dropped ** [ 1331.511746][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851a5680 ** 7 printk messages dropped ** [ 1331.512234][ T32] r5:8518278c r4:85182400 [ 1331.512267][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1331.512413][ T32] r10:61c88647 r9:8514b000 r8:8518fe2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1331.513183][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1331.514055][ T32] Call trace: ** 6 printk messages dropped ** [ 1331.514469][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1331.514891][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 10 printk messages dropped ** [ 1331.515434][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1331.515904][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1331.516531][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1331.517007][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1331.517163][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.517199][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.517272][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851a57c0 [ 1331.517309][ T32] r4:00000000 [ 1331.517334][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.517385][ T32] r9:83018205 r8:8514bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 [ 1331.517409][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.517470][ T32] r5:00001000 r4:dfb3b000 [ 1331.517498][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.517616][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.517671][ T32] r5:85182b8c r4:85182800 [ 1331.517694][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.517745][ T32] r7:ddde2d80 r6:83018200 r5:85182b8c r4:8518ff00 [ 1331.517768][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.517878][ T32] r10:61c88647 r9:8514bc00 r8:8518ff2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.517909][ T32] r4:8518ff00 [ 1331.517930][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.518009][ T32] r10:00000000 r9:8518ff00 r8:80287e08 r7:eaba9e60 r6:8518ff80 r5:8514bc00 [ 1331.518129][ T32] r4:00000001 [ 1331.518154][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.518195][ T32] Exception stack(0xeabadfb0 to 0xeabadff8) [ 1331.518223][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.518357][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.518396][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.518429][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.518456][ T32] r4:851a5500 [ 1331.518768][ T32] INFO: task kworker/1:390:4122 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.518810][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.518926][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.518981][ T32] Call trace: [ 1331.519013][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.519140][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.519255][ T32] r4:00000000 [ 1331.542795][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.542900][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.542945][ T32] dd20: c1f20000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.542979][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.543006][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.543035][ T32] r5:800d0013 r4:80239bb0 [ 1331.543083][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.543148][ T32] r4:82ac21e4 [ 1331.543181][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.543230][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.543266][ T32] r4:e044ddc0 [ 1331.543298][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.543352][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.543377][ T32] r4:00000000 [ 1331.543405][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.543457][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.543512][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.543569][ T32] r5:00001000 r4:dfe3d000 [ 1331.543622][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.543709][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.543790][ T32] r5:84a2438c r4:84a24000 [ 1331.543841][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.543899][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.543927][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.543981][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.544032][ T32] r4:84ab5800 [ 1331.544058][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.544111][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.544159][ T32] r4:00000001 [ 1331.544186][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.544228][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.544294][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.544357][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.544391][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.544470][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.544514][ T32] r4:84ab0640 [ 1331.544544][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.544602][ T32] INFO: task kworker/1:391:4123 blocked for more than 457 seconds. [ 1331.544669][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.544723][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.544753][ T32] task:kworker/1:391 state:D stack:0 pid:4123 tgid:4123 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.544818][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.544894][ T32] Call trace: [ 1331.544981][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.545039][ T32] r10:8291a684 r9:eabb1d84 r8:00000002 r7:60000113 r6:eabb1d8c r5:8514d400 [ 1331.545096][ T32] r4:8514d400 [ 1331.545133][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.545220][ T32] r5:8514d400 r4:8291a680 [ 1331.545271][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.545362][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.545414][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabb1e08 [ 1331.545453][ T32] r4:00000000 [ 1331.545502][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.545546][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.545608][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.545659][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851a5bc0 [ 1331.545708][ T32] r4:00000000 [ 1331.545733][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.545782][ T32] r9:83018205 r8:8514d400 r7:00000000 r6:83018200 r5:00001000 r4:7f035000 ** 4 printk messages dropped ** [ 1331.546027][ T32] r5:8518338c r4:85183000 [ 1331.546050][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1331.546187][ T32] r10:61c88647 r9:8514d400 r8:851ab02c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1331.546514][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1331.547255][ T32] Call trace: ** 6 printk messages dropped ** [ 1331.547555][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1331.547892][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 10 printk messages dropped ** [ 1331.548311][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1331.548729][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 11 printk messages dropped ** [ 1331.549205][ T32] r4:8514e000 ** 4 printk messages dropped ** [ 1331.570040][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab8de08 ** 8 printk messages dropped ** [ 1331.570507][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1331.570695][ T32] r5:85182f8c r4:85182c00 ** 3 printk messages dropped ** [ 1331.570885][ T32] r10:61c88647 r9:8514e000 r8:851ab12c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.570911][ T32] r4:851ab100 [ 1331.570934][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.570986][ T32] r10:00000000 r9:851ab100 r8:80287e08 r7:eabb1e60 r6:851ab180 r5:8514e000 [ 1331.571011][ T32] r4:00000001 [ 1331.571033][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.571079][ T32] Exception stack(0xeab8dfb0 to 0xeab8dff8) [ 1331.571114][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.571177][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.571240][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.571280][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.571346][ T32] r4:851a5740 [ 1331.571829][ T32] INFO: task kworker/1:392:4125 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.571903][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.571995][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.572116][ T32] Call trace: [ 1331.572216][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.572294][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.572359][ T32] r4:00000000 [ 1331.572415][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.572466][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.572498][ T32] dd20: c23a9000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.572746][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.572789][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.572837][ T32] r5:800d0013 r4:80239bb0 [ 1331.572866][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.572915][ T32] r4:82ac21e4 [ 1331.572936][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.572981][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.573007][ T32] r4:e044ddc0 [ 1331.573028][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.573072][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 8 printk messages dropped ** [ 1331.573412][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1331.573900][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 2 printk messages dropped ** [ 1331.573995][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.574026][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.574052][ T32] r4:84ab0640 [ 1331.574216][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.574255][ T32] INFO: task kworker/1:393:4126 blocked for more than 457 seconds. [ 1331.574292][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.574441][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.574469][ T32] task:kworker/1:393 state:D stack:0 pid:4126 tgid:4126 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.574522][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.574671][ T32] Call trace: [ 1331.574709][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.574762][ T32] r10:8291a684 r9:eabb9d84 r8:00000002 r7:60000113 r6:eabb9d8c r5:85130c00 [ 1331.574787][ T32] r4:85130c00 [ 1331.574808][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.574854][ T32] r5:85130c00 r4:8291a680 [ 1331.574932][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.574983][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.575030][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabb9e08 [ 1331.575240][ T32] r4:00000000 [ 1331.575267][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.575312][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.575809][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.575873][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851a5f80 [ 1331.575902][ T32] r4:00000000 [ 1331.575924][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.575974][ T32] r9:83018205 r8:85130c00 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 [ 1331.575998][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1331.576199][ T32] r5:85183f8c r4:85183c00 [ 1331.576221][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1331.576453][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1331.576860][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1331.577607][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1331.578127][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 11 printk messages dropped ** [ 1331.578605][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1331.604772][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1331.605635][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1331.606126][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabbde08 ** 7 printk messages dropped ** [ 1331.606401][ T32] r9:83018205 r8:85133c00 r7:00000000 r6:83018200 r5:00001000 r4:7f037000 ** 4 printk messages dropped ** [ 1331.606738][ T32] r5:8518378c r4:85183400 ** 3 printk messages dropped ** [ 1331.607045][ T32] r10:61c88647 r9:85133c00 r8:851ab2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1331.607324][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1331.608435][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 9 printk messages dropped ** [ 1331.608902][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1331.623085][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1331.623600][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.623633][ T32] r4:00000001 [ 1331.623656][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.623700][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.623735][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.623767][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.623796][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.623828][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.623855][ T32] r4:84ab0640 [ 1331.623880][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.623912][ T32] INFO: task kworker/1:395:4130 blocked for more than 458 seconds. [ 1331.623950][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.623999][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.624030][ T32] task:kworker/1:395 state:D stack:0 pid:4130 tgid:4130 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.624185][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.624235][ T32] Call trace: [ 1331.624271][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.624329][ T32] r10:8291a684 r9:eabb5d84 r8:00000002 r7:60000113 r6:eabb5d8c r5:8514ec00 [ 1331.624460][ T32] r4:8514ec00 [ 1331.624522][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.624632][ T32] r5:8514ec00 r4:8291a680 [ 1331.624676][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.624740][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.624787][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabb5e08 [ 1331.624812][ T32] r4:00000000 [ 1331.624891][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.624974][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.625024][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.625071][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851a5e00 [ 1331.625097][ T32] r4:00000000 [ 1331.625120][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.625172][ T32] r9:83018205 r8:8514ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f039000 [ 1331.625196][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.625280][ T32] r5:00001000 r4:dfea7000 [ 1331.625308][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.625354][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.625400][ T32] r5:85183b8c r4:85183800 [ 1331.625423][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.625472][ T32] r7:ddde2d80 r6:83018200 r5:85183b8c r4:851ab300 [ 1331.625495][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.625545][ T32] r10:61c88647 r9:8514ec00 r8:851ab32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.625577][ T32] r4:851ab300 [ 1331.625666][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.625723][ T32] r10:00000000 r9:851ab300 r8:80287e08 r7:eabb9e60 r6:851ab380 r5:8514ec00 [ 1331.625748][ T32] r4:00000001 [ 1331.625769][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.625809][ T32] Exception stack(0xeabb5fb0 to 0xeabb5ff8) [ 1331.625837][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.625868][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.625898][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.625930][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.625954][ T32] r4:851a5d40 [ 1331.626418][ T32] INFO: task kworker/1:395:4130 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.626458][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.626585][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.626709][ T32] Call trace: [ 1331.626757][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.626846][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.626878][ T32] r4:00000000 [ 1331.626899][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.626943][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.626974][ T32] dd20: c2704000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.627086][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.627262][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.627295][ T32] r5:800d0013 r4:80239bb0 [ 1331.627319][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.627366][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1331.627462][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1331.627672][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1331.628070][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1331.628226][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1331.628569][ T32] INFO: task kworker/1:396:4133 blocked for more than 458 seconds. ** 7 printk messages dropped ** [ 1331.629000][ T32] r4:8514c800 ** 4 printk messages dropped ** [ 1331.629178][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabc1e08 ** 12 printk messages dropped ** [ 1331.650951][ T32] r5:8518838c r4:85188000 ** 3 printk messages dropped ** [ 1331.651103][ T32] r10:61c88647 r9:8514c800 r8:851ab42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 11 printk messages dropped ** [ 1331.652086][ T32] INFO: task kworker/1:396:4133 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 11 printk messages dropped ** [ 1331.652798][ T32] r5:800d0013 r4:80239bb0 [ 1331.652827][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.652874][ T32] r4:82ac21e4 [ 1331.652936][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.653031][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.653063][ T32] r4:e044ddc0 [ 1331.653098][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.653150][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.653175][ T32] r4:00000000 [ 1331.653197][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.653292][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.653326][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.653375][ T32] r5:00001000 r4:dfe3d000 [ 1331.653398][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.653509][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.653598][ T32] r5:84a2438c r4:84a24000 [ 1331.653626][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.653681][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.653705][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.653785][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.653816][ T32] r4:84ab5800 [ 1331.653841][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.653893][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.653919][ T32] r4:00000001 [ 1331.653972][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.654017][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.654143][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.654250][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.654284][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.654336][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.654366][ T32] r4:84ab0640 [ 1331.654391][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.654456][ T32] INFO: task kworker/1:397:4136 blocked for more than 458 seconds. [ 1331.654534][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.654566][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.654590][ T32] task:kworker/1:397 state:D stack:0 pid:4136 tgid:4136 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.654738][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.654790][ T32] Call trace: [ 1331.654823][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.654902][ T32] r10:8291a684 r9:eabc9d84 r8:00000002 r7:60000113 r6:eabc9d8c r5:851d0000 [ 1331.654935][ T32] r4:851d0000 [ 1331.654959][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.655052][ T32] r5:851d0000 r4:8291a680 [ 1331.655081][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.655125][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.655309][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabc9e08 [ 1331.655405][ T32] r4:00000000 [ 1331.655431][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.655472][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.655511][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.655585][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851b5100 [ 1331.655684][ T32] r4:00000000 [ 1331.655958][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.656013][ T32] r9:83018205 r8:851d0000 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000 [ 1331.656139][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.656226][ T32] r5:00001000 r4:e0433000 [ 1331.656339][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.656436][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.656524][ T32] r5:8518878c r4:85188400 [ 1331.656580][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.656665][ T32] r7:ddde2d80 r6:83018200 r5:8518878c r4:851ab500 [ 1331.656691][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.656762][ T32] r10:61c88647 r9:851d0000 r8:851ab52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.656795][ T32] r4:851ab500 [ 1331.656817][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.656868][ T32] r10:00000000 r9:851ab500 r8:80287e08 r7:eabc1e60 r6:851ab580 r5:851d0000 [ 1331.656894][ T32] r4:00000001 [ 1331.656915][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1331.657117][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1331.658154][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1331.658492][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1331.659001][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1331.693919][ T32] r5:00001000 r4:dfe3d000 ** 5 printk messages dropped ** [ 1331.694175][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1331.694475][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 2 printk messages dropped ** [ 1331.694622][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.694811][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.694879][ T32] r4:84ab0640 [ 1331.694918][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.695037][ T32] INFO: task kworker/1:398:4137 blocked for more than 458 seconds. [ 1331.695083][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.695113][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.695140][ T32] task:kworker/1:398 state:D stack:0 pid:4137 tgid:4137 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.695209][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.695260][ T32] Call trace: [ 1331.695340][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.695403][ T32] r10:8291a684 r9:eabcdd84 r8:00000002 r7:60000113 r6:eabcdd8c r5:851d0c00 [ 1331.695479][ T32] r4:851d0c00 [ 1331.695573][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.695641][ T32] r5:851d0c00 r4:8291a680 [ 1331.695677][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.695724][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.695772][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabcde08 [ 1331.695881][ T32] r4:00000000 [ 1331.695908][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.695948][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.695991][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.696036][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851b5300 [ 1331.696063][ T32] r4:00000000 [ 1331.696086][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.696166][ T32] r9:83018205 r8:851d0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 [ 1331.696196][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.696244][ T32] r5:00001000 r4:e0479000 [ 1331.696266][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.696319][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.696368][ T32] r5:85188b8c r4:85188800 [ 1331.696391][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.696514][ T32] r7:ddde2d80 r6:83018200 r5:85188b8c r4:851ab600 [ 1331.696571][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.696666][ T32] r10:61c88647 r9:851d0c00 r8:851ab62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.696704][ T32] r4:851ab600 [ 1331.696729][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.696782][ T32] r10:00000000 r9:851ab600 r8:80287e08 r7:eabc9e60 r6:851ab680 r5:851d0c00 [ 1331.696807][ T32] r4:00000001 [ 1331.696828][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.696866][ T32] Exception stack(0xeabcdfb0 to 0xeabcdff8) [ 1331.696897][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.696929][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.696960][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.696991][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.697033][ T32] r4:851b5240 [ 1331.697586][ T32] INFO: task kworker/1:398:4137 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.697650][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.697876][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.698070][ T32] Call trace: [ 1331.698167][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.698230][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.698335][ T32] r4:00000000 [ 1331.698466][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.698518][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.698552][ T32] dd20: c2da7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.698641][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.698741][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.698837][ T32] r5:800d0013 r4:80239bb0 [ 1331.698866][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.698914][ T32] r4:82ac21e4 [ 1331.698939][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.698987][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.699190][ T32] r4:e044ddc0 [ 1331.699218][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.699266][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.699291][ T32] r4:00000000 [ 1331.699398][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.720190][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.720252][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.720354][ T32] r5:00001000 r4:dfe3d000 [ 1331.720416][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.720480][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.720595][ T32] r5:84a2438c r4:84a24000 ** 1 printk messages dropped ** [ 1331.720755][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 7 printk messages dropped ** [ 1331.721203][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 5 printk messages dropped ** [ 1331.721509][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1331.722028][ T32] r4:851d1800 ** 3 printk messages dropped ** [ 1331.722206][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.722252][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabd1e08 [ 1331.722277][ T32] r4:00000000 [ 1331.722332][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.722390][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.722438][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.722485][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851b54c0 [ 1331.722509][ T32] r4:00000000 [ 1331.722530][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.722595][ T32] r9:83018205 r8:851d1800 r7:00000000 r6:83018200 r5:00001000 r4:7f043000 [ 1331.722623][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.722671][ T32] r5:00001000 r4:e04cb000 [ 1331.722710][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.722757][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.722836][ T32] r5:85188f8c r4:85188c00 [ 1331.722878][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.722935][ T32] r7:ddde2d80 r6:83018200 r5:85188f8c r4:851ab700 [ 1331.722992][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.723078][ T32] r10:61c88647 r9:851d1800 r8:851ab72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.723108][ T32] r4:851ab700 [ 1331.723252][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.723333][ T32] r10:00000000 r9:851ab700 r8:80287e08 r7:eabcde60 r6:851ab780 r5:851d1800 [ 1331.723363][ T32] r4:00000001 [ 1331.723415][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.723459][ T32] Exception stack(0xeabd1fb0 to 0xeabd1ff8) [ 1331.723579][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1331.723618][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.723676][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.723743][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.723774][ T32] r4:851b5180 [ 1331.724232][ T32] INFO: task kworker/1:399:4140 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.724273][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.724398][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.724448][ T32] Call trace: [ 1331.724481][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.724591][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.724646][ T32] r4:00000000 [ 1331.724675][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.724723][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.724755][ T32] dd20: c30c8000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.724804][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.724838][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.724865][ T32] r5:800d0013 r4:80239bb0 [ 1331.724911][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.724992][ T32] r4:82ac21e4 [ 1331.725064][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.725118][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.725174][ T32] r4:e044ddc0 [ 1331.725200][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.725248][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 6 printk messages dropped ** [ 1331.725603][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1331.726029][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1331.726193][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1331.726443][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1331.727052][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1331.727371][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851b57c0 ** 7 printk messages dropped ** [ 1331.727657][ T32] r5:8518978c r4:85189400 [ 1331.727781][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1331.727915][ T32] r10:61c88647 r9:851d2400 r8:851ab82c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1331.728292][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1331.728907][ T32] Call trace: ** 4 printk messages dropped ** [ 1331.729201][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1331.750371][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 8 printk messages dropped ** [ 1331.751087][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1331.751581][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1331.752251][ T32] r4:84ab0640 [ 1331.752282][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.752324][ T32] INFO: task kworker/1:401:4143 blocked for more than 458 seconds. [ 1331.752364][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.752392][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.752417][ T32] task:kworker/1:401 state:D stack:0 pid:4143 tgid:4143 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.752555][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.752639][ T32] Call trace: [ 1331.752678][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.752737][ T32] r10:8291a684 r9:eabd5d84 r8:00000002 r7:60000013 r6:eabd5d8c r5:851d3000 [ 1331.752763][ T32] r4:851d3000 [ 1331.752956][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.753009][ T32] r5:851d3000 r4:8291a680 [ 1331.753070][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.753178][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.753385][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabd5e08 [ 1331.753585][ T32] r4:00000000 [ 1331.754074][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.754118][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.754420][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.754475][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851b5680 [ 1331.754538][ T32] r4:00000000 [ 1331.754565][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.754785][ T32] r9:83018205 r8:851d3000 r7:00000000 r6:83018200 r5:00001000 r4:7f045000 [ 1331.754814][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.754862][ T32] r5:00001000 r4:e04f3000 [ 1331.754884][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.754926][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.754972][ T32] r5:8518938c r4:85189000 [ 1331.755132][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.755186][ T32] r7:ddde2d80 r6:83018200 r5:8518938c r4:851ab900 [ 1331.755211][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.755263][ T32] r10:61c88647 r9:851d3000 r8:851ab92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.755290][ T32] r4:851ab900 [ 1331.755321][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.755373][ T32] r10:00000000 r9:851ab900 r8:80287e08 r7:eabc5e60 r6:851ab980 r5:851d3000 [ 1331.755398][ T32] r4:00000001 [ 1331.755557][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.755672][ T32] Exception stack(0xeabd5fb0 to 0xeabd5ff8) [ 1331.755708][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.755740][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.755770][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.755998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.756028][ T32] r4:851b5500 [ 1331.756534][ T32] INFO: task kworker/1:401:4143 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.756580][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.756713][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.756764][ T32] Call trace: [ 1331.756909][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.756994][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.757109][ T32] r4:00000000 [ 1331.757135][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.757180][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.757211][ T32] dd20: c312e000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.757244][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.757314][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.757439][ T32] r5:800d0013 r4:80239bb0 [ 1331.757467][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.757516][ T32] r4:82ac21e4 [ 1331.757653][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.757879][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.757908][ T32] r4:e044ddc0 [ 1331.757930][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.757977][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.758001][ T32] r4:00000000 [ 1331.758105][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.758161][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.758186][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.758233][ T32] r5:00001000 r4:dfe3d000 [ 1331.758256][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.758475][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.758598][ T32] r5:84a2438c r4:84a24000 [ 1331.758821][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.758880][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.758951][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1331.759106][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1331.801781][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1331.802806][ T32] r10:8291a684 r9:eabd9d84 r8:00000002 r7:60000113 r6:eabd9d8c r5:851d3c00 ** 5 printk messages dropped ** [ 1331.803133][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabd9e08 ** 9 printk messages dropped ** [ 1331.804026][ T32] r5:00001000 r4:e05d3000 ** 2 printk messages dropped ** [ 1331.804202][ T32] r5:85189b8c r4:85189800 ** 1 printk messages dropped ** [ 1331.804331][ T32] r7:ddde2d80 r6:83018200 r5:85189b8c r4:851aba00 ** 4 printk messages dropped ** [ 1331.804723][ T32] r10:00000000 r9:851aba00 r8:80287e08 r7:eabc5e60 r6:851aba80 r5:851d3c00 ** 7 printk messages dropped ** [ 1331.805346][ T32] r4:851b5740 ** 3 printk messages dropped ** [ 1331.806779][ T32] Call trace: ** 4 printk messages dropped ** [ 1331.807122][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 6 printk messages dropped ** [ 1331.807499][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 3 printk messages dropped ** [ 1331.807639][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.807706][ T32] r4:00000000 [ 1331.807819][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.807939][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.807967][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.808017][ T32] r5:00001000 r4:dfe3d000 [ 1331.808041][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.808362][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.808586][ T32] r5:84a2438c r4:84a24000 [ 1331.808909][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.809109][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.809236][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.809436][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.838569][ T32] r4:84ab5800 [ 1331.838636][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.838722][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.838787][ T32] r4:00000001 [ 1331.838816][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.838919][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.838960][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.838993][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.839024][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.839058][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.839082][ T32] r4:84ab0640 [ 1331.839110][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.839160][ T32] INFO: task kworker/1:403:4148 blocked for more than 458 seconds. [ 1331.839201][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.839228][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.839254][ T32] task:kworker/1:403 state:D stack:0 pid:4148 tgid:4148 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.839331][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.840062][ T32] Call trace: [ 1331.840118][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.840193][ T32] r10:8291a684 r9:eabddd84 r8:00000002 r7:60000113 r6:eabddd8c r5:851d4800 [ 1331.840219][ T32] r4:851d4800 [ 1331.840244][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.840346][ T32] r5:851d4800 r4:8291a680 [ 1331.840377][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.840454][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.840522][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabdde08 [ 1331.840551][ T32] r4:00000000 [ 1331.840573][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.840654][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.840740][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.840792][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851b5ac0 [ 1331.840818][ T32] r4:00000000 [ 1331.840841][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.840894][ T32] r9:83018205 r8:851d4800 r7:00000000 r6:83018200 r5:00001000 r4:7f04b000 [ 1331.840918][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.840968][ T32] r5:00001000 r4:e05e9000 [ 1331.840992][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.841036][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.841083][ T32] r5:85189f8c r4:85189c00 [ 1331.841147][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.841265][ T32] r7:ddde2d80 r6:83018200 r5:85189f8c r4:851abb00 [ 1331.841299][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.841395][ T32] r10:61c88647 r9:851d4800 r8:851abb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.841426][ T32] r4:851abb00 [ 1331.841449][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.841501][ T32] r10:00000000 r9:851abb00 r8:80287e08 r7:eabd9e60 r6:851abb80 r5:851d4800 [ 1331.841526][ T32] r4:00000001 [ 1331.841606][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.841654][ T32] Exception stack(0xeabddfb0 to 0xeabddff8) [ 1331.841685][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.841719][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.841876][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.841914][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.841975][ T32] r4:851b5880 [ 1331.842523][ T32] INFO: task kworker/1:403:4148 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.842607][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1331.843223][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1331.843434][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1331.843791][ T32] r5:00001000 r4:dfe3d000 ** 5 printk messages dropped ** [ 1331.844053][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1331.844418][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1331.844901][ T32] task:kworker/1:404 state:D stack:0 pid:4150 tgid:4150 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1331.845545][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabe5e08 ** 7 printk messages dropped ** [ 1331.846095][ T32] r9:83018205 r8:851d5400 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 ** 4 printk messages dropped ** [ 1331.846273][ T32] r5:8518a38c r4:8518a000 ** 3 printk messages dropped ** [ 1331.846549][ T32] r10:61c88647 r9:851d5400 r8:851abc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1331.847013][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1331.847833][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1331.848093][ T32] r5:800d0013 r4:80239bb0 ** 4 printk messages dropped ** [ 1331.848334][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1331.848712][ T32] r5:00001000 r4:dfe3d000 ** 6 printk messages dropped ** [ 1331.849010][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1331.872855][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1331.873551][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1331.873876][ T32] r4:851d6000 [ 1331.873904][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.873956][ T32] r5:851d6000 r4:8291a680 [ 1331.873980][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.874025][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.874071][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabe1e08 [ 1331.874259][ T32] r4:00000000 [ 1331.874286][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.874336][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.874381][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.874428][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851b5e00 [ 1331.874453][ T32] r4:00000000 [ 1331.874475][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.874536][ T32] r9:83018205 r8:851d6000 r7:00000000 r6:83018200 r5:00001000 r4:7f04f000 [ 1331.874560][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.874612][ T32] r5:00001000 r4:e0665000 [ 1331.874756][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.874808][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.874858][ T32] r5:8518a78c r4:8518a400 [ 1331.874882][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.874938][ T32] r7:ddde2d80 r6:83018200 r5:8518a78c r4:851abd00 [ 1331.874962][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.875013][ T32] r10:61c88647 r9:851d6000 r8:851abd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.875037][ T32] r4:851abd00 [ 1331.875060][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.875111][ T32] r10:00000000 r9:851abd00 r8:80287e08 r7:eabe5e60 r6:851abd80 r5:851d6000 [ 1331.875137][ T32] r4:00000001 [ 1331.875159][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.875197][ T32] Exception stack(0xeabe1fb0 to 0xeabe1ff8) [ 1331.875226][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1331.875258][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.875288][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.875374][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.875405][ T32] r4:851b5a40 [ 1331.875866][ T32] INFO: task kworker/1:405:4151 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.875908][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.875971][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.876021][ T32] Call trace: [ 1331.876055][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.876111][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.876137][ T32] r4:00000000 [ 1331.876222][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.876270][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.876308][ T32] dd20: c3afb000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.876341][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.876399][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.876430][ T32] r5:800d0013 r4:80239bb0 [ 1331.876456][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.876518][ T32] r4:82ac21e4 [ 1331.876564][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.876647][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.876690][ T32] r4:e044ddc0 [ 1331.876730][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.876783][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.876808][ T32] r4:00000000 [ 1331.876830][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.876921][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.876951][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.876999][ T32] r5:00001000 r4:dfe3d000 [ 1331.877021][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.877064][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.877111][ T32] r5:84a2438c r4:84a24000 [ 1331.877134][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.877334][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.877366][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.877419][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.877443][ T32] r4:84ab5800 [ 1331.877463][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.877512][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.877536][ T32] r4:00000001 [ 1331.877563][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.877603][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.877632][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.877665][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.877694][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.877783][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.877859][ T32] r4:84ab0640 [ 1331.877886][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.877916][ T32] INFO: task kworker/1:406:4153 blocked for more than 458 seconds. [ 1331.877949][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.878067][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.878106][ T32] task:kworker/1:406 state:D stack:0 pid:4153 tgid:4153 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.878182][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.878331][ T32] Call trace: [ 1331.878368][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.878422][ T32] r10:8291a684 r9:eabe9d84 r8:00000002 r7:60000113 r6:eabe9d8c r5:851d6c00 [ 1331.878448][ T32] r4:851d6c00 [ 1331.878472][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.878519][ T32] r5:851d6c00 r4:8291a680 [ 1331.878541][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.878581][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.878748][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabe9e08 [ 1331.878778][ T32] r4:00000000 [ 1331.878800][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.878837][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.878933][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.879042][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851b5f40 [ 1331.879151][ T32] r4:00000000 [ 1331.879178][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.879382][ T32] r9:83018205 r8:851d6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 [ 1331.897067][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.897246][ T32] r5:00001000 r4:e46cc000 [ 1331.897277][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.897337][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.897386][ T32] r5:8518ab8c r4:8518a800 [ 1331.897409][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.897544][ T32] r7:ddde2d80 r6:83018200 r5:8518ab8c r4:851abe00 [ 1331.897573][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.897628][ T32] r10:61c88647 r9:851d6c00 r8:851abe2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.897654][ T32] r4:851abe00 [ 1331.897676][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.897728][ T32] r10:00000000 r9:851abe00 r8:80287e08 r7:eabe1e60 r6:851abe80 r5:851d6c00 [ 1331.897919][ T32] r4:00000001 [ 1331.897947][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.898113][ T32] Exception stack(0xeabe9fb0 to 0xeabe9ff8) [ 1331.898209][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.898246][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.898276][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.898344][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.898406][ T32] r4:851b5c80 [ 1331.898885][ T32] INFO: task kworker/1:406:4153 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.898930][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.899008][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.899061][ T32] Call trace: [ 1331.899097][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.899156][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.899240][ T32] r4:00000000 [ 1331.899368][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.910109][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.910172][ T32] dd20: c3e2b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.910210][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.910240][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.910274][ T32] r5:800d0013 r4:80239bb0 [ 1331.910312][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.910387][ T32] r4:82ac21e4 [ 1331.910411][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.910461][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.910488][ T32] r4:e044ddc0 [ 1331.910510][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.910557][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.910583][ T32] r4:00000000 [ 1331.910606][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.910662][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.910690][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.910744][ T32] r5:00001000 r4:dfe3d000 [ 1331.910768][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.910817][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1331.911067][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1331.911379][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1331.911807][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1331.911975][ T32] r4:851e0000 ** 4 printk messages dropped ** [ 1331.912153][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabede08 ** 8 printk messages dropped ** [ 1331.912922][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.913457][ T32] r5:00001000 r4:e46f1000 [ 1331.913486][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.913552][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.913604][ T32] r5:8518af8c r4:8518ac00 [ 1331.913667][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.913724][ T32] r7:ddde2d80 r6:83018200 r5:8518af8c r4:851abf80 [ 1331.913747][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.913798][ T32] r10:61c88647 r9:851e0000 r8:851abfac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.913822][ T32] r4:851abf80 [ 1331.913843][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.913892][ T32] r10:00000000 r9:851abf80 r8:80287e08 r7:eabe9e60 r6:851c7000 r5:851e0000 [ 1331.913917][ T32] r4:00000001 [ 1331.913938][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.913977][ T32] Exception stack(0xeabedfb0 to 0xeabedff8) [ 1331.914007][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.914140][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.914236][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.914272][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.914306][ T32] r4:851c9000 [ 1331.914784][ T32] INFO: task kworker/1:407:4155 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.914822][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.915077][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.915128][ T32] Call trace: [ 1331.915160][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 5 printk messages dropped ** [ 1331.915571][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 5 printk messages dropped ** [ 1331.915973][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1331.916491][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1331.916802][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1331.917263][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1331.917994][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1331.918973][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabf1e08 ** 5 printk messages dropped ** [ 1331.953775][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1331.954119][ T32] r5:8518b38c r4:8518b000 [ 1331.954142][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1331.954307][ T32] r4:851c7080 [ 1331.954331][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.954413][ T32] r10:00000000 r9:851c7080 r8:80287e08 r7:eabede60 r6:851c7100 r5:851e0c00 [ 1331.954444][ T32] r4:00000001 [ 1331.954487][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.954535][ T32] Exception stack(0xeabf1fb0 to 0xeabf1ff8) [ 1331.954570][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1331.954602][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.954631][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.954923][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.955024][ T32] r4:851c9000 [ 1331.955513][ T32] INFO: task kworker/1:408:4157 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.955556][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.955639][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.955694][ T32] Call trace: [ 1331.955733][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.955951][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.956071][ T32] r4:00000000 [ 1331.956098][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.956193][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.956230][ T32] dd20: c41c2000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.956315][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.956436][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.956548][ T32] r5:800d0013 r4:80239bb0 [ 1331.956637][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.956694][ T32] r4:82ac21e4 [ 1331.956719][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.956814][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.956852][ T32] r4:e044ddc0 [ 1331.956876][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.956974][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1331.957091][ T32] r4:00000000 [ 1331.957212][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.957274][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.957394][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.957450][ T32] r5:00001000 r4:dfe3d000 [ 1331.957505][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.957832][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.957903][ T32] r5:84a2438c r4:84a24000 [ 1331.957930][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.957987][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.958012][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.958066][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.958130][ T32] r4:84ab5800 [ 1331.958158][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.958212][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.958237][ T32] r4:00000001 [ 1331.958357][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.958589][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.958736][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.958774][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.958806][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.958840][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.958967][ T32] r4:84ab0640 [ 1331.958995][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.959049][ T32] INFO: task kworker/1:409:4159 blocked for more than 458 seconds. [ 1331.959197][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1331.980708][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.980867][ T32] task:kworker/1:409 state:D stack:0 pid:4159 tgid:4159 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.980958][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.981041][ T32] Call trace: [ 1331.981084][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1331.981159][ T32] r10:8291a684 r9:eabf5d84 r8:00000002 r7:60000113 r6:eabf5d8c r5:851e1800 [ 1331.981190][ T32] r4:851e1800 [ 1331.981217][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1331.981276][ T32] r5:851e1800 r4:8291a680 [ 1331.981348][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.981406][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.981465][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabf5e08 [ 1331.981519][ T32] r4:00000000 [ 1331.981563][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1331.981649][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1331.981785][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1331.981843][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c94c0 [ 1331.981871][ T32] r4:00000000 [ 1331.981896][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.981955][ T32] r9:83018205 r8:851e1800 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1331.981983][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.982036][ T32] r5:00001000 r4:e8749000 [ 1331.982129][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1331.982363][ T32] r5:8518b78c r4:8518b400 [ 1331.982489][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.982561][ T32] r7:ddde2d80 r6:83018200 r5:8518b78c r4:851c7180 [ 1331.982590][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.982652][ T32] r10:61c88647 r9:851e1800 r8:851c71ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.982883][ T32] r4:851c7180 [ 1331.982911][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.983060][ T32] r10:00000000 r9:851c7180 r8:80287e08 r7:eabf1e60 r6:851c7200 r5:851e1800 [ 1331.983188][ T32] r4:00000001 [ 1331.983215][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.983581][ T32] Exception stack(0xeabf5fb0 to 0xeabf5ff8) [ 1331.983626][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.983693][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.983737][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.983775][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.983801][ T32] r4:851c9200 [ 1331.984447][ T32] INFO: task kworker/1:409:4159 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1331.984535][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.984700][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.984811][ T32] Call trace: [ 1331.984847][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1331.984997][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1331.985114][ T32] r4:00000000 [ 1331.985301][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.985387][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1331.985426][ T32] dd20: c4339000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1331.985462][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1331.985492][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1331.985551][ T32] r5:800d0013 r4:80239bb0 [ 1331.985579][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.985628][ T32] r4:82ac21e4 [ 1331.985652][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.985702][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1331.985760][ T32] r4:e044ddc0 [ 1331.985967][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1331.986124][ T32] r4:00000000 [ 1331.986299][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1331.986361][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1331.986494][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1331.986549][ T32] r5:00001000 r4:dfe3d000 [ 1331.986574][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1331.986708][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.986762][ T32] r5:84a2438c r4:84a24000 [ 1331.986786][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1331.986838][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1331.986862][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1331.986915][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.986942][ T32] r4:84ab5800 [ 1331.986963][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1331.987015][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1331.987040][ T32] r4:00000001 [ 1331.987131][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.987176][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1331.987206][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.987239][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.987344][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.987426][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1331.987455][ T32] r4:84ab0640 [ 1331.987479][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.987616][ T32] INFO: task kworker/1:410:4161 blocked for more than 458 seconds. [ 1331.987739][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 1 printk messages dropped ** [ 1331.987888][ T32] task:kworker/1:410 state:D stack:0 pid:4161 tgid:4161 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1331.988639][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1331.989074][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1332.014925][ T32] r5:8518bb8c r4:8518b800 [ 1332.014982][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.015083][ T32] r7:ddde2d80 r6:83018200 r5:8518bb8c r4:851c7280 ** 4 printk messages dropped ** [ 1332.015444][ T32] r10:00000000 r9:851c7280 r8:80287e08 r7:eabf5e60 r6:851c7300 r5:851e2400 ** 9 printk messages dropped ** [ 1332.016681][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1332.017360][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1332.017624][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 10 printk messages dropped ** [ 1332.018182][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1332.018595][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1332.019066][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1332.030091][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabfde08 ** 9 printk messages dropped ** [ 1332.030665][ T32] r5:00001000 r4:ea9d7000 ** 2 printk messages dropped ** [ 1332.030802][ T32] r5:8520cb8c r4:8520c800 ** 2 printk messages dropped ** [ 1332.030947][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1332.031483][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1332.032349][ T32] Call trace: ** 4 printk messages dropped ** [ 1332.032712][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 6 printk messages dropped ** [ 1332.032987][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 8 printk messages dropped ** [ 1332.033611][ T32] r5:00001000 r4:dfe3d000 ** 2 printk messages dropped ** [ 1332.034085][ T32] r5:84a2438c r4:84a24000 [ 1332.034193][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.034303][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.034344][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.034400][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.034502][ T32] r4:84ab5800 [ 1332.034627][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.034684][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.034733][ T32] r4:00000001 [ 1332.034759][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.034800][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.034842][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.034909][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.034943][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.035035][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.035065][ T32] r4:84ab0640 [ 1332.035149][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.035208][ T32] INFO: task kworker/1:412:4164 blocked for more than 458 seconds. [ 1332.035253][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.035304][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.035345][ T32] task:kworker/1:412 state:D stack:0 pid:4164 tgid:4164 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.035398][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.035485][ T32] Call trace: [ 1332.035533][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.035642][ T32] r10:8291a684 r9:eac05d84 r8:00000002 r7:60000113 r6:eac05d8c r5:851e3c00 [ 1332.035674][ T32] r4:851e3c00 [ 1332.035698][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.035836][ T32] r5:851e3c00 r4:8291a680 [ 1332.035862][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.035908][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.036015][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac05e08 [ 1332.036060][ T32] r4:00000000 [ 1332.036087][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.036211][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.036256][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.036309][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c9800 [ 1332.036384][ T32] r4:00000000 [ 1332.036434][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.036489][ T32] r9:83018205 r8:851e3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f05b000 [ 1332.036566][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.036620][ T32] r5:00001000 r4:ea7ad000 [ 1332.036741][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.036998][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.037055][ T32] r5:8518bf8c r4:8518bc00 [ 1332.037109][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.037219][ T32] r7:ddde2d80 r6:83018200 r5:8518bf8c r4:851c7480 [ 1332.037299][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.037359][ T32] r10:61c88647 r9:851e3c00 r8:851c74ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.037387][ T32] r4:851c7480 [ 1332.037550][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.037624][ T32] r10:00000000 r9:851c7480 r8:80287e08 r7:eabfde60 r6:851c7500 r5:851e3c00 [ 1332.037653][ T32] r4:00000001 [ 1332.037675][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.037746][ T32] Exception stack(0xeac05fb0 to 0xeac05ff8) [ 1332.037780][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1332.037863][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.037964][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.038001][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.038027][ T32] r4:851c96c0 [ 1332.038362][ T32] INFO: task kworker/1:412:4164 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.038406][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.038524][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.038580][ T32] Call trace: [ 1332.038614][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.038703][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.038812][ T32] r4:00000000 [ 1332.038839][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.038886][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 1 printk messages dropped ** [ 1332.038951][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 6 printk messages dropped ** [ 1332.064992][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1332.065564][ T32] r5:00001000 r4:dfe3d000 ** 6 printk messages dropped ** [ 1332.065922][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1332.066154][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.066189][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.066221][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.066250][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.066282][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.066316][ T32] r4:84ab0640 [ 1332.066342][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.066423][ T32] INFO: task kworker/1:413:4166 blocked for more than 458 seconds. [ 1332.066497][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.066531][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.066557][ T32] task:kworker/1:413 state:D stack:0 pid:4166 tgid:4166 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.066622][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.066673][ T32] Call trace: [ 1332.066708][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.066766][ T32] r10:8291a684 r9:eac01d84 r8:00000002 r7:60000113 r6:eac01d8c r5:851e4800 [ 1332.066792][ T32] r4:851e4800 [ 1332.066814][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.066862][ T32] r5:851e4800 r4:8291a680 [ 1332.066884][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.066925][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.066970][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac01e08 [ 1332.067103][ T32] r4:00000000 [ 1332.067217][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.067322][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.067395][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.067446][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c9a00 [ 1332.067472][ T32] r4:00000000 [ 1332.067493][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.067561][ T32] r9:83018205 r8:851e4800 r7:00000000 r6:83018200 r5:00001000 r4:7f05d000 [ 1332.067592][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.067640][ T32] r5:00001000 r4:ea7eb000 [ 1332.067692][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.067749][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.067893][ T32] r5:8520c38c r4:8520c000 [ 1332.067920][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.068015][ T32] r7:ddde2d80 r6:83018200 r5:8520c38c r4:851c7580 [ 1332.068043][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.068095][ T32] r10:61c88647 r9:851e4800 r8:851c75ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.068120][ T32] r4:851c7580 [ 1332.068143][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.068194][ T32] r10:00000000 r9:851c7580 r8:80287e08 r7:eabfde60 r6:851c7600 r5:851e4800 [ 1332.068219][ T32] r4:00000001 [ 1332.068240][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.068279][ T32] Exception stack(0xeac01fb0 to 0xeac01ff8) [ 1332.068321][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1332.068353][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.068382][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.068416][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.068554][ T32] r4:851c9940 [ 1332.069048][ T32] INFO: task kworker/1:413:4166 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.069187][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.083329][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.083415][ T32] Call trace: [ 1332.083519][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.083591][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.083619][ T32] r4:00000000 [ 1332.083643][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.083689][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.083724][ T32] dd20: c4b33000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.083758][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.083787][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.083856][ T32] r5:800d0013 r4:80239bb0 [ 1332.083886][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.083937][ T32] r4:82ac21e4 [ 1332.083960][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.084008][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.084075][ T32] r4:e044ddc0 [ 1332.084103][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1332.084307][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1332.084811][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1332.084950][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1332.085161][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1332.085475][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1332.085920][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1332.086345][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 4 printk messages dropped ** [ 1332.086591][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 7 printk messages dropped ** [ 1332.086920][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1332.087635][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1332.088444][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1332.088785][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1332.088907][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.088973][ T32] r5:00001000 r4:dfe3d000 [ 1332.089000][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.089047][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.089161][ T32] r5:84a2438c r4:84a24000 [ 1332.089188][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.089273][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.089373][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.113527][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.113589][ T32] r4:84ab5800 [ 1332.113618][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.113723][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.113800][ T32] r4:00000001 [ 1332.113829][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.113875][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.113911][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.113943][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.113974][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.114008][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.114034][ T32] r4:84ab0640 [ 1332.114092][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.114142][ T32] INFO: task kworker/1:415:4171 blocked for more than 458 seconds. [ 1332.114183][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.114211][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.114236][ T32] task:kworker/1:415 state:D stack:0 pid:4171 tgid:4171 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.114309][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.114365][ T32] Call trace: [ 1332.114401][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.114461][ T32] r10:8291a684 r9:eac11d84 r8:00000002 r7:60000013 r6:eac11d8c r5:851e6000 [ 1332.114487][ T32] r4:851e6000 [ 1332.114510][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.114558][ T32] r5:851e6000 r4:8291a680 [ 1332.114581][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.114645][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.114699][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac11e08 [ 1332.114726][ T32] r4:00000000 [ 1332.114748][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.114789][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.114831][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.114878][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c9e40 [ 1332.114917][ T32] r4:00000000 [ 1332.114946][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.115002][ T32] r9:83018205 r8:851e6000 r7:00000000 r6:83018200 r5:00001000 r4:7f063000 [ 1332.115028][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.115077][ T32] r5:00001000 r4:ea9eb000 [ 1332.115100][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.115145][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.115193][ T32] r5:8520cf8c r4:8520cc00 [ 1332.115216][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.115287][ T32] r7:ddde2d80 r6:83018200 r5:8520cf8c r4:851c7780 [ 1332.115323][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.115378][ T32] r10:61c88647 r9:851e6000 r8:851c77ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.115405][ T32] r4:851c7780 [ 1332.115427][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.115477][ T32] r10:00000000 r9:851c7780 r8:80287e08 r7:eabfde60 r6:851c7800 r5:851e6000 [ 1332.115503][ T32] r4:00000001 [ 1332.115524][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.115594][ T32] Exception stack(0xeac11fb0 to 0xeac11ff8) [ 1332.115643][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1332.115711][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.115745][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.115815][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.115846][ T32] r4:851c96c0 [ 1332.116326][ T32] INFO: task kworker/1:415:4171 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.116395][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.116489][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.116596][ T32] Call trace: [ 1332.116661][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 3 printk messages dropped ** [ 1332.116868][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1332.117216][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1332.117473][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1332.117826][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1332.118381][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1332.118643][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1332.118948][ T32] task:kworker/1:416 state:D stack:0 pid:4174 tgid:4174 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1332.127136][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1332.127683][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1332.127993][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1332.128112][ T32] r7:ddde2d80 r6:83018200 r5:8520d78c r4:851c7880 ** 4 printk messages dropped ** [ 1332.128280][ T32] r10:00000000 r9:851c7880 r8:80287e08 r7:eac11e60 r6:851c7900 r5:851e6c00 ** 7 printk messages dropped ** [ 1332.128958][ T32] r4:851c9b80 [ 1332.140020][ T32] INFO: task kworker/1:416:4174 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.140154][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.140281][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.140362][ T32] Call trace: [ 1332.140402][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.140471][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.140516][ T32] r4:00000000 [ 1332.140653][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.140709][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.140746][ T32] dd20: c5005000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.140782][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.140812][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.140843][ T32] r5:800d0013 r4:80239bb0 [ 1332.140868][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.140918][ T32] r4:82ac21e4 [ 1332.140999][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.141057][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.141105][ T32] r4:e044ddc0 [ 1332.141132][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.141183][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.141210][ T32] r4:00000000 [ 1332.141353][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.141418][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.141545][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.141605][ T32] r5:00001000 r4:dfe3d000 [ 1332.141630][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.141679][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.141731][ T32] r5:84a2438c r4:84a24000 [ 1332.141755][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.141812][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.141835][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.141886][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.141911][ T32] r4:84ab5800 [ 1332.141979][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.142034][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.142059][ T32] r4:00000001 [ 1332.142081][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.142118][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.142146][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.142176][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.142206][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.142236][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.142260][ T32] r4:84ab0640 [ 1332.142284][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.142470][ T32] INFO: task kworker/1:417:4175 blocked for more than 458 seconds. [ 1332.142513][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.142576][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.142605][ T32] task:kworker/1:417 state:D stack:0 pid:4175 tgid:4175 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.142720][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.142768][ T32] Call trace: [ 1332.142834][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.142887][ T32] r10:8291a684 r9:eac19d84 r8:00000002 r7:60000013 r6:eac19d8c r5:851e8000 [ 1332.142989][ T32] r4:851e8000 [ 1332.143095][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.143147][ T32] r5:851e8000 r4:8291a680 [ 1332.143170][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.143212][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.143257][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac19e08 [ 1332.143281][ T32] r4:00000000 [ 1332.143310][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.143427][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.143485][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.143537][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c9fc0 [ 1332.143562][ T32] r4:00000000 [ 1332.143584][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.143631][ T32] r9:83018205 r8:851e8000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a3000 [ 1332.143654][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.143698][ T32] r5:00001000 r4:ea9f9000 [ 1332.143719][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.143760][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.143806][ T32] r5:8520d38c r4:8520d000 [ 1332.143828][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.143876][ T32] r7:ddde2d80 r6:83018200 r5:8520d38c r4:851c7980 [ 1332.143899][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.143948][ T32] r10:61c88647 r9:851e8000 r8:851c79ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.143973][ T32] r4:851c7980 [ 1332.143993][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.144041][ T32] r10:00000000 r9:851c7980 r8:80287e08 r7:eac15e60 r6:851c7a00 r5:851e8000 [ 1332.144065][ T32] r4:00000001 [ 1332.144086][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.144158][ T32] Exception stack(0xeac19fb0 to 0xeac19ff8) [ 1332.144192][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.144225][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.144254][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.144287][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.144322][ T32] r4:8519c000 [ 1332.144693][ T32] INFO: task kworker/1:417:4175 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.144732][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.144910][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.144967][ T32] Call trace: [ 1332.145014][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.145076][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1332.145483][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1332.145667][ T32] r4:e044ddc0 ** 2 printk messages dropped ** [ 1332.145781][ T32] r4:00000000 [ 1332.145806][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.145857][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.145881][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.145926][ T32] r5:00001000 r4:dfe3d000 [ 1332.145948][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.146047][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.146099][ T32] r5:84a2438c r4:84a24000 [ 1332.146121][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.146230][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.146260][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.146323][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.146349][ T32] r4:84ab5800 [ 1332.146370][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.146419][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.146567][ T32] r4:00000001 [ 1332.146593][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.146674][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.146707][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.146738][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.146768][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.146802][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.146826][ T32] r4:84ab0640 [ 1332.146849][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.146911][ T32] INFO: task kworker/1:418:4177 blocked for more than 458 seconds. [ 1332.146947][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.146974][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.146996][ T32] task:kworker/1:418 state:D stack:0 pid:4177 tgid:4177 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.147043][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.147088][ T32] Call trace: [ 1332.147122][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.147173][ T32] r10:8291a684 r9:eac1dd84 r8:00000002 r7:60000013 r6:eac1dd8c r5:851e8c00 [ 1332.147199][ T32] r4:851e8c00 [ 1332.147276][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.147337][ T32] r5:851e8c00 r4:8291a680 [ 1332.147360][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.147401][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 2 printk messages dropped ** [ 1332.147608][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 10 printk messages dropped ** [ 1332.148160][ T32] r5:8520db8c r4:8520d800 [ 1332.148181][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1332.148519][ T32] r10:00000000 r9:851c7a80 r8:80287e08 r7:eac15e60 r6:851c7b00 r5:851e8c00 ** 13 printk messages dropped ** [ 1332.176614][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1332.176843][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 4 printk messages dropped ** [ 1332.200276][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 3 printk messages dropped ** [ 1332.202217][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1332.202420][ T32] r5:00001000 r4:dfe3d000 ** 4 printk messages dropped ** [ 1332.204580][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 4 printk messages dropped ** [ 1332.208636][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.208667][ T32] r4:00000001 [ 1332.208693][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.208926][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.210154][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.240131][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.240199][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.240243][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.240299][ T32] r4:84ab0640 [ 1332.240350][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.240450][ T32] INFO: task kworker/1:419:4179 blocked for more than 458 seconds. [ 1332.240600][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.240671][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.240705][ T32] task:kworker/1:419 state:D stack:0 pid:4179 tgid:4179 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.240812][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.240960][ T32] Call trace: [ 1332.241044][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.241178][ T32] r10:8291a684 r9:eac21d84 r8:00000002 r7:60000013 r6:eac21d8c r5:851e9800 [ 1332.241213][ T32] r4:851e9800 [ 1332.241270][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.241339][ T32] r5:851e9800 r4:8291a680 [ 1332.241367][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.241452][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.241542][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac21e08 [ 1332.241575][ T32] r4:00000000 [ 1332.241602][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.241648][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.241698][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.241755][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85254300 [ 1332.241813][ T32] r4:00000000 [ 1332.241841][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.241898][ T32] r9:83018205 r8:851e9800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a9000 [ 1332.241924][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1332.242163][ T32] r5:8520df8c r4:8520dc00 [ 1332.242192][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1332.242537][ T32] r4:00000001 ** 9 printk messages dropped ** [ 1332.243645][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1332.244345][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 12 printk messages dropped ** [ 1332.245078][ T32] r5:00001000 r4:dfe3d000 ** 9 printk messages dropped ** [ 1332.245634][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 5 printk messages dropped ** [ 1332.245871][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1332.246327][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.246380][ T32] Call trace: [ 1332.246414][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.246497][ T32] r10:8291a684 r9:eac25d84 r8:00000002 r7:60000113 r6:eac25d8c r5:851ea400 [ 1332.246558][ T32] r4:851ea400 [ 1332.246584][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.246634][ T32] r5:851ea400 r4:8291a680 [ 1332.246657][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.246730][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.246785][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac25e08 [ 1332.246872][ T32] r4:00000000 [ 1332.246899][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.246938][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.246976][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.247021][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85249980 [ 1332.247046][ T32] r4:00000000 [ 1332.247068][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.247145][ T32] r9:83018205 r8:851ea400 r7:00000000 r6:83018200 r5:00001000 r4:7f0ad000 [ 1332.247205][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.247287][ T32] r5:00001000 r4:eaa3f000 [ 1332.247354][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.247433][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.247531][ T32] r5:841d9b8c r4:841d9800 [ 1332.247560][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.247612][ T32] r7:ddde2d80 r6:83018200 r5:841d9b8c r4:851c7c80 [ 1332.247665][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.247722][ T32] r10:61c88647 r9:851ea400 r8:851c7cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.247748][ T32] r4:851c7c80 [ 1332.247802][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.247857][ T32] r10:00000000 r9:851c7c80 r8:80287e08 r7:eac21e60 r6:851c7d00 r5:851ea400 [ 1332.247882][ T32] r4:00000001 [ 1332.247903][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.247985][ T32] Exception stack(0xeac25fb0 to 0xeac25ff8) [ 1332.248024][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1332.248057][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.248087][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.248119][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.248145][ T32] r4:85254180 [ 1332.248421][ T32] INFO: task kworker/1:420:4181 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.248490][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.248640][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.248782][ T32] Call trace: [ 1332.248836][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.248923][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.249023][ T32] r4:00000000 [ 1332.249050][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.249125][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.249161][ T32] dd20: c575f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.249193][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.249309][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.273376][ T32] r5:800d0013 r4:80239bb0 [ 1332.273451][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.273528][ T32] r4:82ac21e4 [ 1332.273552][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.273599][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.273664][ T32] r4:e044ddc0 [ 1332.273695][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.273746][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.273772][ T32] r4:00000000 [ 1332.273795][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.273861][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.273923][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.274013][ T32] r5:00001000 r4:dfe3d000 [ 1332.274042][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.274087][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.274148][ T32] r5:84a2438c r4:84a24000 [ 1332.274175][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.274230][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.274255][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.274314][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.274340][ T32] r4:84ab5800 [ 1332.274362][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.274414][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.274451][ T32] r4:00000001 [ 1332.274553][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.274660][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.274700][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.274735][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.274765][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.274798][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.274852][ T32] r4:84ab0640 [ 1332.274884][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.274919][ T32] INFO: task kworker/1:421:4184 blocked for more than 458 seconds. [ 1332.274991][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.275026][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.275053][ T32] task:kworker/1:421 state:D stack:0 pid:4184 tgid:4184 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.275122][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.275190][ T32] Call trace: [ 1332.275230][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.275290][ T32] r10:8291a684 r9:eac2dd84 r8:00000002 r7:60000013 r6:eac2dd8c r5:851ec800 [ 1332.275323][ T32] r4:851ec800 [ 1332.275345][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.275393][ T32] r5:851ec800 r4:8291a680 [ 1332.275432][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.275481][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.275527][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac2de08 [ 1332.275551][ T32] r4:00000000 [ 1332.275602][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.275645][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.275718][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.275768][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852549c0 [ 1332.275828][ T32] r4:00000000 [ 1332.275921][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.276184][ T32] r9:83018205 r8:851ec800 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 [ 1332.276213][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.276292][ T32] r5:00001000 r4:eac35000 [ 1332.276327][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.276372][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.276418][ T32] r5:8520eb8c r4:8520e800 [ 1332.276519][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.276577][ T32] r7:ddde2d80 r6:83018200 r5:8520eb8c r4:851c7d80 [ 1332.276602][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.276668][ T32] r10:61c88647 r9:851ec800 r8:851c7dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.276701][ T32] r4:851c7d80 [ 1332.276725][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.276775][ T32] r10:00000000 r9:851c7d80 r8:80287e08 r7:eac25e60 r6:851c7e00 r5:851ec800 [ 1332.276799][ T32] r4:00000001 [ 1332.276849][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.276892][ T32] Exception stack(0xeac2dfb0 to 0xeac2dff8) [ 1332.276922][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.276953][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.276983][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.277015][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.277039][ T32] r4:85254400 [ 1332.277513][ T32] INFO: task kworker/1:421:4184 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.277587][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.277674][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.277867][ T32] Call trace: [ 1332.277905][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.277965][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.277992][ T32] r4:00000000 [ 1332.278013][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.278056][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.278086][ T32] dd20: c59f3000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.278204][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.278238][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.278420][ T32] r5:800d0013 r4:80239bb0 [ 1332.278518][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.278578][ T32] r4:82ac21e4 [ 1332.278703][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.278890][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.278989][ T32] r4:e044ddc0 [ 1332.279083][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.279135][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.279161][ T32] r4:00000000 [ 1332.279183][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.293884][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.294020][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.294106][ T32] r5:00001000 r4:dfe3d000 [ 1332.294131][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.294177][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.294227][ T32] r5:84a2438c r4:84a24000 [ 1332.294270][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.294338][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.294385][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.294488][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.294519][ T32] r4:84ab5800 [ 1332.294574][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.294632][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.294674][ T32] r4:00000001 [ 1332.294702][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.294746][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.294781][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.294813][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.294842][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.294875][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.294901][ T32] r4:84ab0640 [ 1332.294927][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.294961][ T32] INFO: task kworker/1:422:4186 blocked for more than 458 seconds. [ 1332.295026][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.295059][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.295117][ T32] task:kworker/1:422 state:D stack:0 pid:4186 tgid:4186 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.295190][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.295274][ T32] Call trace: [ 1332.295364][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.295430][ T32] r10:8291a684 r9:eac0dd84 r8:00000002 r7:60000113 r6:eac0dd8c r5:851eb000 [ 1332.295486][ T32] r4:851eb000 [ 1332.295513][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.295561][ T32] r5:851eb000 r4:8291a680 [ 1332.295651][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.295730][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.295782][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac0de08 [ 1332.295821][ T32] r4:00000000 [ 1332.295848][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.295905][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.295952][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.296028][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852546c0 [ 1332.296063][ T32] r4:00000000 [ 1332.296088][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.296140][ T32] r9:83018205 r8:851eb000 r7:00000000 r6:83018200 r5:00001000 r4:7f0af000 [ 1332.296179][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.296232][ T32] r5:00001000 r4:eaa51000 [ 1332.296287][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.296367][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.296418][ T32] r5:8520e38c r4:8520e000 [ 1332.296443][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.296493][ T32] r7:ddde2d80 r6:83018200 r5:8520e38c r4:851c7e80 [ 1332.296535][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.296588][ T32] r10:61c88647 r9:851eb000 r8:851c7eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.296635][ T32] r4:851c7e80 [ 1332.296661][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.296713][ T32] r10:00000000 r9:851c7e80 r8:80287e08 r7:eac2de60 r6:851c7f00 r5:851eb000 [ 1332.296738][ T32] r4:00000001 [ 1332.296772][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.296815][ T32] Exception stack(0xeac0dfb0 to 0xeac0dff8) [ 1332.296847][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.296879][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.296939][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.296976][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.297002][ T32] r4:85254540 [ 1332.297477][ T32] INFO: task kworker/1:422:4186 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.297518][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.297585][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.297634][ T32] Call trace: [ 1332.297700][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.297779][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.297841][ T32] r4:00000000 [ 1332.297896][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.297945][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.297976][ T32] dd20: c5ad7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.298010][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.298039][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.298066][ T32] r5:800d0013 r4:80239bb0 ** 1 printk messages dropped ** [ 1332.298201][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1332.298501][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1332.298781][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1332.299244][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1332.318122][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1332.318638][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1332.319037][ T32] r5:851ed400 r4:8291a680 ** 4 printk messages dropped ** [ 1332.319297][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1332.333892][ T32] r5:00001000 r4:eaa5f000 ** 2 printk messages dropped ** [ 1332.334038][ T32] r5:8520e78c r4:8520e400 ** 1 printk messages dropped ** [ 1332.334146][ T32] r7:ddde2d80 r6:83018200 r5:8520e78c r4:851c7f80 ** 4 printk messages dropped ** [ 1332.334435][ T32] r10:00000000 r9:851c7f80 r8:80287e08 r7:eac2de60 r6:851abf00 r5:851ed400 ** 2 printk messages dropped ** [ 1332.334525][ T32] Exception stack(0xeac29fb0 to 0xeac29ff8) [ 1332.334559][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.334590][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.334619][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.334651][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.334703][ T32] r4:85254700 [ 1332.335187][ T32] INFO: task kworker/1:423:4188 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.335227][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.335336][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.335413][ T32] Call trace: [ 1332.335455][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.335512][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.335537][ T32] r4:00000000 [ 1332.335559][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.335600][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.335631][ T32] dd20: c60c6000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.335662][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.335689][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.335715][ T32] r5:800d0013 r4:80239bb0 [ 1332.335737][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.335780][ T32] r4:82ac21e4 [ 1332.335802][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.335848][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.335873][ T32] r4:e044ddc0 [ 1332.335918][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.335981][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.336021][ T32] r4:00000000 [ 1332.336044][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.336095][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.336118][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.336163][ T32] r5:00001000 r4:dfe3d000 [ 1332.336185][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.336229][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.336275][ T32] r5:84a2438c r4:84a24000 [ 1332.336322][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.336410][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.336465][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.336545][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.336571][ T32] r4:84ab5800 [ 1332.336625][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.336682][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.336707][ T32] r4:00000001 [ 1332.336727][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.336767][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.336795][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.336856][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.336914][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.336951][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.336976][ T32] r4:84ab0640 [ 1332.337000][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.337033][ T32] INFO: task kworker/1:424:4190 blocked for more than 458 seconds. [ 1332.337071][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.337110][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.337152][ T32] task:kworker/1:424 state:D stack:0 pid:4190 tgid:4190 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.337231][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.337279][ T32] Call trace: [ 1332.337325][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.337387][ T32] r10:8291a684 r9:eac39d84 r8:00000002 r7:60000113 r6:eac39d8c r5:851ee000 ** 5 printk messages dropped ** [ 1332.337589][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac39e08 ** 7 printk messages dropped ** [ 1332.337960][ T32] r9:83018205 r8:851ee000 r7:00000000 r6:83018200 r5:00001000 r4:7f0bb000 ** 4 printk messages dropped ** [ 1332.338203][ T32] r5:8520fb8c r4:8520f800 [ 1332.338228][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1332.338393][ T32] r10:61c88647 r9:851ee000 r8:8525602c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1332.338723][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1332.347482][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 7 printk messages dropped ** [ 1332.347732][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 12 printk messages dropped ** [ 1332.348337][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1332.348859][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1332.349075][ T32] r4:84ab0640 ** 3 printk messages dropped ** [ 1332.349307][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1332.365307][ T32] r5:851eec00 r4:8291a680 ** 4 printk messages dropped ** [ 1332.365505][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 6 printk messages dropped ** [ 1332.365816][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.365888][ T32] r5:00001000 r4:eac41000 [ 1332.365939][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.366019][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.366073][ T32] r5:8520ef8c r4:8520ec00 [ 1332.366097][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.366177][ T32] r7:ddde2d80 r6:83018200 r5:8520ef8c r4:85256100 [ 1332.366233][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.366291][ T32] r10:61c88647 r9:851eec00 r8:8525612c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.366317][ T32] r4:85256100 [ 1332.366349][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.366414][ T32] r10:00000000 r9:85256100 r8:80287e08 r7:eac39e60 r6:85256180 r5:851eec00 [ 1332.366440][ T32] r4:00000001 [ 1332.366462][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.366503][ T32] Exception stack(0xeac45fb0 to 0xeac45ff8) [ 1332.366536][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1332.366604][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.366667][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.366705][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.366755][ T32] r4:85254980 [ 1332.367230][ T32] INFO: task kworker/1:425:4192 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.367271][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.367335][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.367433][ T32] Call trace: [ 1332.367509][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.367598][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.367630][ T32] r4:00000000 [ 1332.367652][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.367697][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.367727][ T32] dd20: c65cc000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.367760][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.367788][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.367814][ T32] r5:800d0013 r4:80239bb0 [ 1332.367836][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.367880][ T32] r4:82ac21e4 [ 1332.367902][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.367970][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.368009][ T32] r4:e044ddc0 [ 1332.368037][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.368085][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.368110][ T32] r4:00000000 [ 1332.368153][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.368208][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.368233][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.368280][ T32] r5:00001000 r4:dfe3d000 [ 1332.368302][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.368346][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.368403][ T32] r5:84a2438c r4:84a24000 [ 1332.368425][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.368476][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.368534][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1332.368690][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 10 printk messages dropped ** [ 1332.369128][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1332.377307][ T32] r4:85136c00 ** 3 printk messages dropped ** [ 1332.377456][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1332.377783][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1332.378107][ T32] r5:8520f38c r4:8520f000 [ 1332.378153][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.378212][ T32] r7:ddde2d80 r6:83018200 r5:8520f38c r4:85256200 [ 1332.378236][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.378289][ T32] r10:61c88647 r9:85136c00 r8:8525622c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.378342][ T32] r4:85256200 [ 1332.378388][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.378445][ T32] r10:00000000 r9:85256200 r8:80287e08 r7:eac39e60 r6:850bf680 r5:85136c00 [ 1332.378471][ T32] r4:00000001 [ 1332.378517][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.378588][ T32] Exception stack(0xeac69fb0 to 0xeac69ff8) [ 1332.378631][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.378666][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.378696][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.378729][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.378776][ T32] r4:85254ac0 [ 1332.379332][ T32] INFO: task kworker/1:426:4194 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.386289][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.386417][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.386491][ T32] Call trace: [ 1332.386528][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.386595][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.386646][ T32] r4:00000000 [ 1332.386676][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.386724][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.386756][ T32] dd20: c65cc000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.386795][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.386835][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.386876][ T32] r5:800d0013 r4:80239bb0 [ 1332.386905][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.386953][ T32] r4:82ac21e4 [ 1332.386976][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.387022][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.387048][ T32] r4:e044ddc0 [ 1332.387070][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.387114][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.387139][ T32] r4:00000000 [ 1332.387160][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.387210][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.387234][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.387331][ T32] r5:00001000 r4:dfe3d000 [ 1332.387360][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.387442][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.387520][ T32] r5:84a2438c r4:84a24000 [ 1332.387548][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.387605][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.387630][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.387693][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.387723][ T32] r4:84ab5800 [ 1332.387745][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.387798][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.387852][ T32] r4:00000001 [ 1332.387878][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.387921][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.387950][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1332.388127][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1332.388592][ T32] r4:85136000 ** 3 printk messages dropped ** [ 1332.388801][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1332.389149][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1332.403069][ T32] r5:8520f78c r4:8520f400 [ 1332.403093][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1332.403243][ T32] r10:61c88647 r9:85136000 r8:852562ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1332.403340][ T32] r10:00000000 r9:85256280 r8:80287e08 r7:eac39e60 r6:850bf700 r5:85136000 [ 1332.403373][ T32] r4:00000001 [ 1332.403395][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.403468][ T32] Exception stack(0xeac6dfb0 to 0xeac6dff8) [ 1332.403509][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.403542][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.403572][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.403604][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.403628][ T32] r4:85254ac0 [ 1332.404123][ T32] INFO: task kworker/1:427:4195 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.404165][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.404248][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.404328][ T32] Call trace: [ 1332.404383][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.404445][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.404471][ T32] r4:00000000 [ 1332.404494][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.404574][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.404611][ T32] dd20: c6aeb000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.404644][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.404671][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.404698][ T32] r5:800d0013 r4:80239bb0 [ 1332.404720][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.404767][ T32] r4:82ac21e4 [ 1332.404799][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.404851][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.404886][ T32] r4:e044ddc0 [ 1332.404912][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.404958][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.404984][ T32] r4:00000000 [ 1332.405005][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.405058][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.405081][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.405165][ T32] r5:00001000 r4:dfe3d000 [ 1332.405193][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1332.405311][ T32] r5:84a2438c r4:84a24000 ** 5 printk messages dropped ** [ 1332.405518][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1332.405595][ T32] r4:00000001 [ 1332.405617][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.405655][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.405685][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.405716][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.405745][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.405789][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.405831][ T32] r4:84ab0640 [ 1332.405861][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.405916][ T32] INFO: task kworker/1:428:4198 blocked for more than 458 seconds. [ 1332.405959][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.405988][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.406043][ T32] task:kworker/1:428 state:D stack:0 pid:4198 tgid:4198 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.406129][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.406176][ T32] Call trace: [ 1332.406209][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.406263][ T32] r10:8291a684 r9:eac89d84 r8:00000002 r7:60000113 r6:eac89d8c r5:85135400 [ 1332.406288][ T32] r4:85135400 [ 1332.406310][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.406379][ T32] r5:85135400 r4:8291a680 [ 1332.406409][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.406454][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.406513][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac89e08 [ 1332.406542][ T32] r4:00000000 [ 1332.406573][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 3 printk messages dropped ** [ 1332.406780][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1332.407012][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.407058][ T32] r5:8520ff8c r4:8520fc00 ** 1 printk messages dropped ** [ 1332.407146][ T32] r7:ddde2d80 r6:83018200 r5:8520ff8c r4:85256300 ** 4 printk messages dropped ** [ 1332.407399][ T32] r10:00000000 r9:85256300 r8:80287e08 r7:eac39e60 r6:850bf780 r5:85135400 ** 7 printk messages dropped ** [ 1332.407731][ T32] r4:85254dc0 ** 4 printk messages dropped ** [ 1332.408220][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 6 printk messages dropped ** [ 1332.408584][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 6 printk messages dropped ** [ 1332.408855][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 10 printk messages dropped ** [ 1332.424561][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 4 printk messages dropped ** [ 1332.424922][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 11 printk messages dropped ** [ 1332.425355][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1332.425830][ T32] r5:8512bc00 r4:8291a680 ** 4 printk messages dropped ** [ 1332.425995][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 9 printk messages dropped ** [ 1332.426525][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1332.426779][ T32] r10:61c88647 r9:8512bc00 r8:852563ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1332.427131][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1332.427988][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1332.428254][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.428304][ T32] r5:800d0013 r4:80239bb0 [ 1332.428331][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.428383][ T32] r4:82ac21e4 [ 1332.428406][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.428452][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.428476][ T32] r4:e044ddc0 [ 1332.428497][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.428588][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.428618][ T32] r4:00000000 [ 1332.428641][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.428691][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.428716][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.428781][ T32] r5:00001000 r4:dfe3d000 [ 1332.428809][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.428877][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.428953][ T32] r5:84a2438c r4:84a24000 [ 1332.429012][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.429068][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.429092][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.429165][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.429193][ T32] r4:84ab5800 [ 1332.429215][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.441925][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.441980][ T32] r4:00000001 [ 1332.442006][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.442072][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.442106][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.442163][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.442220][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.442257][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.442305][ T32] r4:84ab0640 [ 1332.442336][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.442378][ T32] INFO: task kworker/1:430:4201 blocked for more than 458 seconds. [ 1332.442439][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.442473][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.442499][ T32] task:kworker/1:430 state:D stack:0 pid:4201 tgid:4201 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.442601][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.442667][ T32] Call trace: [ 1332.442720][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.442780][ T32] r10:8291a684 r9:eac9dd84 r8:00000002 r7:60000113 r6:eac9dd8c r5:85132400 [ 1332.442805][ T32] r4:85132400 [ 1332.442826][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.442872][ T32] r5:85132400 r4:8291a680 [ 1332.442894][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.442936][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.443000][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac9de08 [ 1332.443031][ T32] r4:00000000 [ 1332.443076][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.443119][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.443162][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.443222][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85262040 [ 1332.443274][ T32] r4:00000000 [ 1332.443309][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.443395][ T32] r9:83018205 r8:85132400 r7:00000000 r6:83018200 r5:00001000 r4:7f0bf000 [ 1332.443435][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.443487][ T32] r5:00001000 r4:eac93000 [ 1332.443510][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1332.443601][ T32] r5:8521838c r4:85218000 [ 1332.443653][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1332.443831][ T32] r10:61c88647 r9:85132400 r8:8525642c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1332.444110][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1332.445056][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 6 printk messages dropped ** [ 1332.445292][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 8 printk messages dropped ** [ 1332.445701][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1332.445949][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1332.446374][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1332.446696][ T32] INFO: task kworker/1:431:4203 blocked for more than 458 seconds. ** 7 printk messages dropped ** [ 1332.447093][ T32] r4:85134800 ** 4 printk messages dropped ** [ 1332.447313][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaca1e08 ** 3 printk messages dropped ** [ 1332.447465][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.447510][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85262340 [ 1332.447535][ T32] r4:00000000 [ 1332.447557][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.447605][ T32] r9:83018205 r8:85134800 r7:00000000 r6:83018200 r5:00001000 r4:7f0c1000 [ 1332.447630][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.447685][ T32] r5:00001000 r4:eaca3000 [ 1332.447746][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.447794][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.447841][ T32] r5:8521878c r4:85218400 [ 1332.447862][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.447912][ T32] r7:ddde2d80 r6:83018200 r5:8521878c r4:85256480 [ 1332.447959][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.448020][ T32] r10:61c88647 r9:85134800 r8:852564ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.448076][ T32] r4:85256480 [ 1332.448101][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.448175][ T32] r10:00000000 r9:85256480 r8:80287e08 r7:eac91e60 r6:850bf900 r5:85134800 [ 1332.448221][ T32] r4:00000001 [ 1332.448246][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.448288][ T32] Exception stack(0xeaca1fb0 to 0xeaca1ff8) [ 1332.448317][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1332.448349][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.448384][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.448416][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.448441][ T32] r4:85262100 [ 1332.448736][ T32] INFO: task kworker/1:431:4203 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.448778][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.448840][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.448889][ T32] Call trace: [ 1332.448944][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.449006][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.449032][ T32] r4:00000000 [ 1332.449065][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.449113][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.449176][ T32] dd20: c7012000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.449213][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.449315][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.471699][ T32] r5:800d0013 r4:80239bb0 [ 1332.471768][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.471848][ T32] r4:82ac21e4 [ 1332.471873][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.471921][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.471946][ T32] r4:e044ddc0 [ 1332.471968][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.472014][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.472039][ T32] r4:00000000 [ 1332.472061][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.472126][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.472156][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.472209][ T32] r5:00001000 r4:dfe3d000 [ 1332.472266][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.472318][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.472538][ T32] r5:84a2438c r4:84a24000 [ 1332.472621][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.472764][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.472794][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.472850][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.472876][ T32] r4:84ab5800 [ 1332.472898][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.472970][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.472999][ T32] r4:00000001 [ 1332.473022][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.473065][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.473099][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.473152][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.473186][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.473220][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.473245][ T32] r4:84ab0640 [ 1332.473272][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 1 printk messages dropped ** [ 1332.473394][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1332.473859][ T32] r5:84b1e000 r4:8291a680 ** 2 printk messages dropped ** [ 1332.474136][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacb5e08 [ 1332.474161][ T32] r4:00000000 [ 1332.474205][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.474320][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.474368][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.474416][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85262440 [ 1332.474440][ T32] r4:00000000 [ 1332.474520][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.474573][ T32] r9:83018205 r8:84b1e000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c3000 [ 1332.474597][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.474644][ T32] r5:00001000 r4:eacab000 [ 1332.474700][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.474747][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.474793][ T32] r5:85218b8c r4:85218800 [ 1332.474817][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.474867][ T32] r7:ddde2d80 r6:83018200 r5:85218b8c r4:85256500 [ 1332.474890][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.474941][ T32] r10:61c88647 r9:84b1e000 r8:8525652c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.474965][ T32] r4:85256500 ** 1 printk messages dropped ** [ 1332.475132][ T32] r10:00000000 r9:85256500 r8:80287e08 r7:eac91e60 r6:850bf980 r5:84b1e000 ** 7 printk messages dropped ** [ 1332.475460][ T32] r4:85262280 ** 2 printk messages dropped ** [ 1332.476042][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1332.476402][ T32] dd20: c72a8000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 8 printk messages dropped ** [ 1332.476819][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 10 printk messages dropped ** [ 1332.477242][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 4 printk messages dropped ** [ 1332.477421][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1332.477990][ T32] INFO: task kworker/1:433:4208 blocked for more than 458 seconds. ** 7 printk messages dropped ** [ 1332.478354][ T32] r4:84b1c800 ** 4 printk messages dropped ** [ 1332.478537][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacc1e08 ** 7 printk messages dropped ** [ 1332.478835][ T32] r9:83018205 r8:84b1c800 r7:00000000 r6:83018200 r5:00001000 r4:7f0c5000 ** 4 printk messages dropped ** [ 1332.479043][ T32] r5:85218f8c r4:85218c00 ** 3 printk messages dropped ** [ 1332.479187][ T32] r10:61c88647 r9:84b1c800 r8:852565ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1332.496787][ T32] Exception stack(0xeacc1fb0 to 0xeacc1ff8) [ 1332.496844][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1332.496907][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.496940][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.496973][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.497031][ T32] r4:852623c0 [ 1332.497592][ T32] INFO: task kworker/1:433:4208 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.497665][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.497749][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.497909][ T32] Call trace: [ 1332.498013][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.498096][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.498128][ T32] r4:00000000 [ 1332.498150][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.498195][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.498225][ T32] dd20: c75ad000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.498256][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.498283][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.498357][ T32] r5:800d0013 r4:80239bb0 [ 1332.498490][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.498543][ T32] r4:82ac21e4 [ 1332.498567][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.498642][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.498673][ T32] r4:e044ddc0 [ 1332.498707][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.498760][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.498790][ T32] r4:00000000 [ 1332.498812][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.498887][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.498916][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.498966][ T32] r5:00001000 r4:dfe3d000 [ 1332.499010][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.499083][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.499136][ T32] r5:84a2438c r4:84a24000 [ 1332.499160][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.499275][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.512859][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.512968][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.512996][ T32] r4:84ab5800 [ 1332.513018][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.513070][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.513094][ T32] r4:00000001 [ 1332.513115][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.513156][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 2 printk messages dropped ** [ 1332.513288][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1332.513889][ T32] r10:8291a684 r9:eacc5d84 r8:00000002 r7:60000113 r6:eacc5d8c r5:83bd0000 ** 7 printk messages dropped ** [ 1332.514188][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1332.514570][ T32] r5:00001000 r4:eacc7000 ** 2 printk messages dropped ** [ 1332.514702][ T32] r5:8521938c r4:85219000 [ 1332.514740][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1332.514891][ T32] r4:85256600 ** 6 printk messages dropped ** [ 1332.515133][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1332.516115][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1332.516488][ T32] r4:82ac21e4 ** 3 printk messages dropped ** [ 1332.516679][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 10 printk messages dropped ** [ 1332.517182][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1332.517441][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1332.517580][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1332.518148][ T32] r10:8291a684 r9:eaad9d84 r8:00000002 r7:60000113 r6:eaad9d8c r5:83bd1800 ** 8 printk messages dropped ** [ 1332.518567][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1332.518872][ T32] r9:83018205 r8:83bd1800 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 [ 1332.518909][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.518955][ T32] r5:00001000 r4:eacd7000 [ 1332.518977][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.519041][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.519093][ T32] r5:8521978c r4:85219400 [ 1332.519117][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.519167][ T32] r7:ddde2d80 r6:83018200 r5:8521978c r4:85256680 [ 1332.519190][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.519276][ T32] r10:61c88647 r9:83bd1800 r8:852566ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.537624][ T32] r4:85256680 [ 1332.537676][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.537763][ T32] r10:00000000 r9:85256680 r8:80287e08 r7:eac91e60 r6:850bfb00 r5:83bd1800 [ 1332.537789][ T32] r4:00000001 [ 1332.537811][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.537854][ T32] Exception stack(0xeaad9fb0 to 0xeaad9ff8) [ 1332.537914][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.537952][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.537994][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.538030][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.538054][ T32] r4:85262600 [ 1332.538563][ T32] INFO: task kworker/1:435:4211 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.538639][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.538770][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.538858][ T32] Call trace: [ 1332.538896][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.538956][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.539001][ T32] r4:00000000 [ 1332.539029][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.539073][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.539128][ T32] dd20: c7c5a000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.539164][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.539263][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.546596][ T32] r5:800d0013 r4:80239bb0 [ 1332.546643][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.546715][ T32] r4:82ac21e4 [ 1332.546771][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.546825][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.546873][ T32] r4:e044ddc0 [ 1332.546977][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.547030][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.547056][ T32] r4:00000000 [ 1332.547078][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.547151][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.547203][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.547259][ T32] r5:00001000 r4:dfe3d000 [ 1332.547282][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.547326][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.547379][ T32] r5:84a2438c r4:84a24000 [ 1332.547402][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.547453][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.547500][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.547559][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.547584][ T32] r4:84ab5800 [ 1332.547604][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.547654][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.547678][ T32] r4:00000001 [ 1332.547720][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.547790][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.547852][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.547889][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.547918][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.547972][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.548025][ T32] r4:84ab0640 [ 1332.548073][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 4 printk messages dropped ** [ 1332.548335][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1332.548712][ T32] r5:83bd0c00 r4:8291a680 ** 4 printk messages dropped ** [ 1332.548865][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 10 printk messages dropped ** [ 1332.563417][ T32] r5:85219b8c r4:85219800 [ 1332.563487][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1332.563649][ T32] r10:61c88647 r9:83bd0c00 r8:8525672c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1332.563781][ T32] r10:00000000 r9:85256700 r8:80287e08 r7:eac91e60 r6:850bfb80 r5:83bd0c00 [ 1332.563838][ T32] r4:00000001 [ 1332.563890][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.563955][ T32] Exception stack(0xeaaf1fb0 to 0xeaaf1ff8) [ 1332.564024][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1332.564060][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.564090][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.564121][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.564145][ T32] r4:85262900 [ 1332.564682][ T32] INFO: task kworker/1:436:4214 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.564729][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.564839][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.564893][ T32] Call trace: [ 1332.564945][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.565034][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.565065][ T32] r4:00000000 [ 1332.565121][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.565169][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.565200][ T32] dd20: c8161000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.565256][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.565316][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.565345][ T32] r5:800d0013 r4:80239bb0 [ 1332.565375][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.565459][ T32] r4:82ac21e4 [ 1332.565511][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.565589][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.565653][ T32] r4:e044ddc0 [ 1332.565701][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.565787][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.565836][ T32] r4:00000000 [ 1332.565863][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.565915][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.565964][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.566021][ T32] r5:00001000 r4:dfe3d000 [ 1332.566045][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.566100][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.566152][ T32] r5:84a2438c r4:84a24000 ** 1 printk messages dropped ** [ 1332.566241][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 4 printk messages dropped ** [ 1332.566511][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1332.566884][ T32] INFO: task kworker/1:437:4215 blocked for more than 458 seconds. ** 7 printk messages dropped ** [ 1332.567266][ T32] r4:851d8c00 ** 4 printk messages dropped ** [ 1332.567481][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac51e08 ** 8 printk messages dropped ** [ 1332.567846][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1332.568049][ T32] r5:85219f8c r4:85219c00 [ 1332.568072][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1332.568314][ T32] r4:85256780 ** 7 printk messages dropped ** [ 1332.568714][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1332.576999][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1332.577493][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1332.577728][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1332.577942][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1332.578165][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.578201][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.578256][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.578280][ T32] r4:84ab5800 [ 1332.578328][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.578411][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.578442][ T32] r4:00000001 [ 1332.578465][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.578505][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.578534][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.578564][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.578593][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.578625][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.578649][ T32] r4:84ab0640 [ 1332.578675][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.578709][ T32] INFO: task kworker/1:438:4218 blocked for more than 458 seconds. [ 1332.578747][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.578775][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.578800][ T32] task:kworker/1:438 state:D stack:0 pid:4218 tgid:4218 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.578873][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.578924][ T32] Call trace: [ 1332.579020][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.579112][ T32] r10:8291a684 r9:eab01d84 r8:00000002 r7:60000113 r6:eab01d8c r5:851d9800 [ 1332.579155][ T32] r4:851d9800 [ 1332.579192][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.579244][ T32] r5:851d9800 r4:8291a680 [ 1332.579321][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.590094][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.590294][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab01e08 [ 1332.590353][ T32] r4:00000000 [ 1332.590416][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.590524][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.590628][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.590731][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85262c00 [ 1332.590791][ T32] r4:00000000 [ 1332.590843][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.590944][ T32] r9:83018205 r8:851d9800 r7:00000000 r6:83018200 r5:00001000 r4:7f069000 [ 1332.591002][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.591114][ T32] r5:00001000 r4:dfbd9000 [ 1332.591200][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.591304][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.591415][ T32] r5:8521a38c r4:8521a000 [ 1332.591488][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.591589][ T32] r7:ddde2d80 r6:83018200 r5:8521a38c r4:85256880 [ 1332.591619][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.591677][ T32] r10:61c88647 r9:851d9800 r8:852568ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.591727][ T32] r4:85256880 [ 1332.591760][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.591813][ T32] r10:00000000 r9:85256880 r8:80287e08 r7:eac91e60 r6:85256900 r5:851d9800 [ 1332.591838][ T32] r4:00000001 [ 1332.591859][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.591901][ T32] Exception stack(0xeab01fb0 to 0xeab01ff8) [ 1332.591982][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1332.592041][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.592075][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.592107][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.592154][ T32] r4:85262a80 [ 1332.592651][ T32] INFO: task kworker/1:438:4218 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.592721][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.592806][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.592859][ T32] Call trace: [ 1332.592920][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.592981][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.593009][ T32] r4:00000000 [ 1332.593030][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.593072][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.593102][ T32] dd20: c83b9000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.593158][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.593190][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.593217][ T32] r5:800d0013 r4:80239bb0 [ 1332.593239][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.593283][ T32] r4:82ac21e4 [ 1332.593306][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.593392][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.593423][ T32] r4:e044ddc0 [ 1332.593445][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.593491][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.593541][ T32] r4:00000000 [ 1332.593567][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.593618][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.593657][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.593708][ T32] r5:00001000 r4:dfe3d000 [ 1332.593731][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.593775][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.593821][ T32] r5:84a2438c r4:84a24000 [ 1332.593843][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.593894][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.593917][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.593993][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.594022][ T32] r4:84ab5800 [ 1332.594044][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.594094][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.594118][ T32] r4:00000001 [ 1332.594164][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.594207][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.594236][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.594291][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.594325][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1332.594412][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1332.594650][ T32] task:kworker/1:439 state:D stack:0 pid:4219 tgid:4219 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1332.595028][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1332.595531][ T32] r9:83018205 r8:851da400 r7:00000000 r6:83018200 r5:00001000 r4:7f06b000 ** 4 printk messages dropped ** [ 1332.595797][ T32] r5:8521a78c r4:8521a400 ** 1 printk messages dropped ** [ 1332.595904][ T32] r7:ddde2d80 r6:83018200 r5:8521a78c r4:85256980 ** 5 printk messages dropped ** [ 1332.596178][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1332.596397][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1332.597089][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.597143][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.597168][ T32] r4:00000000 [ 1332.597188][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.597230][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.597260][ T32] dd20: c83b9000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.597315][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.597347][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.597406][ T32] r5:800d0013 r4:80239bb0 [ 1332.597433][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.597478][ T32] r4:82ac21e4 [ 1332.597500][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.597583][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.597612][ T32] r4:e044ddc0 [ 1332.597660][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.597709][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.597759][ T32] r4:00000000 [ 1332.597809][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.597874][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.597906][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.597956][ T32] r5:00001000 r4:dfe3d000 [ 1332.598003][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.598054][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.598126][ T32] r5:84a2438c r4:84a24000 [ 1332.598175][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.598258][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.598286][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.598375][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.598429][ T32] r4:84ab5800 [ 1332.598455][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.598548][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.598603][ T32] r4:00000001 [ 1332.598634][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.598699][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.598733][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.598764][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.598816][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.598852][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.598892][ T32] r4:84ab0640 [ 1332.598917][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.598946][ T32] INFO: task kworker/1:440:4222 blocked for more than 459 seconds. [ 1332.599012][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.599069][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.599096][ T32] task:kworker/1:440 state:D stack:0 pid:4222 tgid:4222 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.599263][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.621437][ T32] Call trace: [ 1332.621527][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.621691][ T32] r10:8291a684 r9:eab51d84 r8:00000002 r7:60000113 r6:eab51d8c r5:851db000 [ 1332.621746][ T32] r4:851db000 [ 1332.621771][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.621852][ T32] r5:851db000 r4:8291a680 [ 1332.621880][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.621926][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.621972][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab51e08 [ 1332.621997][ T32] r4:00000000 [ 1332.622019][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.622056][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.622097][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.622165][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85262400 [ 1332.622212][ T32] r4:00000000 [ 1332.622238][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.622302][ T32] r9:83018205 r8:851db000 r7:00000000 r6:83018200 r5:00001000 r4:7f06f000 [ 1332.622332][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.622391][ T32] r5:00001000 r4:dfd2d000 [ 1332.622414][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.622477][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.622540][ T32] r5:8521af8c r4:8521ac00 [ 1332.622592][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.622658][ T32] r7:ddde2d80 r6:83018200 r5:8521af8c r4:85256a80 [ 1332.622682][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.622735][ T32] r10:61c88647 r9:851db000 r8:85256aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.622760][ T32] r4:85256a80 [ 1332.622780][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.622831][ T32] r10:00000000 r9:85256a80 r8:80287e08 r7:eac91e60 r6:85256b00 r5:851db000 [ 1332.622854][ T32] r4:00000001 [ 1332.622875][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.622915][ T32] Exception stack(0xeab51fb0 to 0xeab51ff8) [ 1332.622949][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1332.623000][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.623034][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.623076][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.623105][ T32] r4:85262dc0 [ 1332.623574][ T32] INFO: task kworker/1:440:4222 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.623618][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.623717][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.623768][ T32] Call trace: [ 1332.623839][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.623898][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.623924][ T32] r4:00000000 [ 1332.623945][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.624008][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.624069][ T32] dd20: c877e000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.624117][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.624158][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.624189][ T32] r5:800d0013 r4:80239bb0 [ 1332.624212][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.624257][ T32] r4:82ac21e4 [ 1332.624279][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.624336][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.624370][ T32] r4:e044ddc0 [ 1332.624419][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.624471][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.624498][ T32] r4:00000000 [ 1332.624549][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.624601][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.624646][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.624720][ T32] r5:00001000 r4:dfe3d000 [ 1332.624770][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.624821][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1332.624939][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 7 printk messages dropped ** [ 1332.625270][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1332.625602][ T32] INFO: task kworker/1:441:4224 blocked for more than 459 seconds. ** 6 printk messages dropped ** [ 1332.625948][ T32] r10:8291a684 r9:eab6dd84 r8:00000002 r7:60000013 r6:eab6dd8c r5:851dbc00 ** 9 printk messages dropped ** [ 1332.626433][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1332.626780][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.626854][ T32] r5:8521b38c r4:8521b000 [ 1332.626924][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.626981][ T32] r7:ddde2d80 r6:83018200 r5:8521b38c r4:85256b80 [ 1332.627004][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.627066][ T32] r10:61c88647 r9:851dbc00 r8:85256bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.627104][ T32] r4:85256b80 [ 1332.627153][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.627231][ T32] r10:00000000 r9:85256b80 r8:80287e08 r7:eab51e60 r6:85256c00 r5:851dbc00 [ 1332.627263][ T32] r4:00000001 [ 1332.627308][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.627387][ T32] Exception stack(0xeab6dfb0 to 0xeab6dff8) [ 1332.627434][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.627466][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.627496][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.627562][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.627591][ T32] r4:85249e00 [ 1332.627941][ T32] INFO: task kworker/1:441:4224 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.627985][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.628048][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.628100][ T32] Call trace: [ 1332.628170][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.628227][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.628254][ T32] r4:00000000 [ 1332.628275][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.628318][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.628348][ T32] dd20: c877e000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.628473][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.628576][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.628611][ T32] r5:800d0013 r4:80239bb0 [ 1332.628635][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.628680][ T32] r4:82ac21e4 [ 1332.628704][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.628751][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.628777][ T32] r4:e044ddc0 [ 1332.628798][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.628843][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.628868][ T32] r4:00000000 [ 1332.628931][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.628987][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.629010][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.629058][ T32] r5:00001000 r4:dfe3d000 [ 1332.629153][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.629210][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.629260][ T32] r5:84a2438c r4:84a24000 [ 1332.629455][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.660567][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.660703][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.660879][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.660937][ T32] r4:84ab5800 [ 1332.660985][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.661097][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.661157][ T32] r4:00000001 [ 1332.661229][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.661328][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.661413][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.661487][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.661545][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1332.661946][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1332.662658][ T32] r4:851dc800 ** 3 printk messages dropped ** [ 1332.663006][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1332.663858][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1332.664264][ T32] r5:8521b78c r4:8521b400 ** 3 printk messages dropped ** [ 1332.664464][ T32] r10:61c88647 r9:851dc800 r8:85256cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1332.664876][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1332.666202][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 7 printk messages dropped ** [ 1332.666800][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1332.667200][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1332.667751][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1332.668275][ T32] r4:84ab0640 [ 1332.668443][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.668488][ T32] INFO: task kworker/1:443:4228 blocked for more than 459 seconds. [ 1332.668550][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.668579][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.668602][ T32] task:kworker/1:443 state:D stack:0 pid:4228 tgid:4228 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.668706][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.668881][ T32] Call trace: [ 1332.668920][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.669002][ T32] r10:8291a684 r9:eab89d84 r8:00000002 r7:60000013 r6:eab89d8c r5:851dd400 [ 1332.669035][ T32] r4:851dd400 [ 1332.669124][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.669176][ T32] r5:851dd400 r4:8291a680 [ 1332.669294][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.692618][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.692787][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab89e08 [ 1332.692856][ T32] r4:00000000 [ 1332.692888][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.692961][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.693050][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.693103][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85278300 [ 1332.693159][ T32] r4:00000000 [ 1332.693310][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.693369][ T32] r9:83018205 r8:851dd400 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 [ 1332.693395][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.693456][ T32] r5:00001000 r4:dff1f000 [ 1332.693479][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.693621][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.693754][ T32] r5:8521bb8c r4:8521b800 [ 1332.693783][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.693837][ T32] r7:ddde2d80 r6:83018200 r5:8521bb8c r4:85256d80 [ 1332.693861][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.693973][ T32] r10:61c88647 r9:851dd400 r8:85256dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.694023][ T32] r4:85256d80 [ 1332.694068][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.694160][ T32] r10:00000000 r9:85256d80 r8:80287e08 r7:eab79e60 r6:85256e00 r5:851dd400 [ 1332.694215][ T32] r4:00000001 [ 1332.694241][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.694286][ T32] Exception stack(0xeab89fb0 to 0xeab89ff8) ** 4 printk messages dropped ** [ 1332.694476][ T32] r4:85278240 ** 2 printk messages dropped ** [ 1332.695355][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1332.695757][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 8 printk messages dropped ** [ 1332.696143][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1332.696348][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 7 printk messages dropped ** [ 1332.696800][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1332.697181][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1332.697660][ T32] task:kworker/1:444 state:D stack:0 pid:4230 tgid:4230 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1332.698393][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 9 printk messages dropped ** [ 1332.699152][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1332.718421][ T32] r7:ddde2d80 r6:83018200 r5:8521bf8c r4:85256e80 ** 4 printk messages dropped ** [ 1332.718626][ T32] r10:00000000 r9:85256e80 r8:80287e08 r7:eab89e60 r6:85256f00 r5:851de000 ** 7 printk messages dropped ** [ 1332.718992][ T32] r4:85278180 ** 2 printk messages dropped ** [ 1332.720095][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1332.720884][ T32] dd20: c910a000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 7 printk messages dropped ** [ 1332.721270][ T32] r4:e044ddc0 [ 1332.721437][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.721489][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.721515][ T32] r4:00000000 [ 1332.721544][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.721598][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.721653][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.721739][ T32] r5:00001000 r4:dfe3d000 [ 1332.721768][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.721815][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.721893][ T32] r5:84a2438c r4:84a24000 [ 1332.721921][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.721975][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.721999][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.722051][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.722076][ T32] r4:84ab5800 [ 1332.722097][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.722149][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.722175][ T32] r4:00000001 [ 1332.722197][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.722236][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.722265][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.722325][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.722399][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.722501][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.722532][ T32] r4:84ab0640 [ 1332.722558][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.722637][ T32] INFO: task kworker/1:445:4232 blocked for more than 459 seconds. [ 1332.722688][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.722718][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.722742][ T32] task:kworker/1:445 state:D stack:0 pid:4232 tgid:4232 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.722793][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.722839][ T32] Call trace: [ 1332.722938][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.722996][ T32] r10:8291a684 r9:eaba1d84 r8:00000002 r7:60000013 r6:eaba1d8c r5:851dec00 [ 1332.723070][ T32] r4:851dec00 [ 1332.723157][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.723310][ T32] r5:851dec00 r4:8291a680 [ 1332.723433][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.723503][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.723555][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaba1e08 [ 1332.723580][ T32] r4:00000000 [ 1332.723602][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.723648][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.723839][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.723958][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852787c0 [ 1332.723988][ T32] r4:00000000 [ 1332.724011][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.724062][ T32] r9:83018205 r8:851dec00 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1332.724086][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.724131][ T32] r5:00001000 r4:e0539000 [ 1332.724190][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.724270][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.724353][ T32] r5:8522078c r4:85220400 [ 1332.724383][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.724437][ T32] r7:ddde2d80 r6:83018200 r5:8522078c r4:85256f80 [ 1332.724460][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.724562][ T32] r10:61c88647 r9:851dec00 r8:85256fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.724598][ T32] r4:85256f80 [ 1332.724620][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.724695][ T32] r10:00000000 r9:85256f80 r8:80287e08 r7:eab95e60 r6:8527c000 r5:851dec00 [ 1332.724720][ T32] r4:00000001 [ 1332.724742][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.724943][ T32] Exception stack(0xeaba1fb0 to 0xeaba1ff8) [ 1332.724979][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1332.725157][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.725192][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.725488][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.725518][ T32] r4:852783c0 [ 1332.725895][ T32] INFO: task kworker/1:445:4232 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.726042][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.726241][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.726580][ T32] Call trace: [ 1332.726619][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.726702][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.726734][ T32] r4:00000000 [ 1332.726756][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.726801][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.726832][ T32] dd20: c910a000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.726898][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.726932][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.726959][ T32] r5:800d0013 r4:80239bb0 [ 1332.726981][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.727059][ T32] r4:82ac21e4 [ 1332.727120][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.727172][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.727223][ T32] r4:e044ddc0 [ 1332.727250][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.727298][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.727324][ T32] r4:00000000 [ 1332.727347][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.727399][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.727437][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.727488][ T32] r5:00001000 r4:dfe3d000 [ 1332.727511][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.727557][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.727604][ T32] r5:84a2438c r4:84a24000 [ 1332.727626][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.727760][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.727790][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.727843][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.727904][ T32] r4:84ab5800 [ 1332.727930][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.727983][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.728038][ T32] r4:00000001 [ 1332.728065][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.728136][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.728200][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.728236][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.728297][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.728341][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.728367][ T32] r4:84ab0640 [ 1332.728426][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.728459][ T32] INFO: task kworker/1:446:4234 blocked for more than 459 seconds. [ 1332.728490][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.728628][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.728667][ T32] task:kworker/1:446 state:D stack:0 pid:4234 tgid:4234 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.728719][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.728891][ T32] Call trace: [ 1332.728933][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.728988][ T32] r10:8291a684 r9:eace1d84 r8:00000002 r7:60000013 r6:eace1d8c r5:851d8000 [ 1332.729014][ T32] r4:851d8000 [ 1332.729036][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.729082][ T32] r5:851d8000 r4:8291a680 [ 1332.729134][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.729188][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.729289][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eace1e08 [ 1332.760076][ T32] r4:00000000 [ 1332.760138][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.760212][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.760260][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.760328][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85278680 ** 3 printk messages dropped ** [ 1332.760525][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1332.760769][ T32] r5:8522038c r4:85220000 [ 1332.760796][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1332.761102][ T32] r10:00000000 r9:8527c080 r8:80287e08 r7:eaba1e60 r6:8527c100 r5:851d8000 ** 7 printk messages dropped ** [ 1332.761474][ T32] r4:85278500 ** 4 printk messages dropped ** [ 1332.762259][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 8 printk messages dropped ** [ 1332.762731][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 8 printk messages dropped ** [ 1332.763084][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 10 printk messages dropped ** [ 1332.763748][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1332.763936][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.764002][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.764039][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.764069][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.764117][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.764150][ T32] r4:84ab0640 [ 1332.764252][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.764292][ T32] INFO: task kworker/1:447:4236 blocked for more than 459 seconds. [ 1332.764332][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.764438][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.764468][ T32] task:kworker/1:447 state:D stack:0 pid:4236 tgid:4236 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.764598][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.764686][ T32] Call trace: [ 1332.764762][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.764819][ T32] r10:8291a684 r9:eace5d84 r8:00000002 r7:60000113 r6:eace5d8c r5:851ebc00 [ 1332.764865][ T32] r4:851ebc00 [ 1332.764897][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.764974][ T32] r5:851ebc00 r4:8291a680 [ 1332.765001][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.765046][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.765093][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eace5e08 [ 1332.765119][ T32] r4:00000000 [ 1332.765140][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.765177][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.765214][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.765287][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85278b40 [ 1332.765318][ T32] r4:00000000 [ 1332.765368][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.765424][ T32] r9:83018205 r8:851ebc00 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1332.765449][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.765496][ T32] r5:00001000 r4:e058f000 [ 1332.765517][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.765560][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.765606][ T32] r5:85220f8c r4:85220c00 [ 1332.765628][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.765684][ T32] r7:ddde2d80 r6:83018200 r5:85220f8c r4:8527c180 [ 1332.765722][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.765782][ T32] r10:61c88647 r9:851ebc00 r8:8527c1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.765807][ T32] r4:8527c180 [ 1332.765857][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.765912][ T32] r10:00000000 r9:8527c180 r8:80287e08 r7:eaba1e60 r6:8527c200 r5:851ebc00 [ 1332.765937][ T32] r4:00000001 [ 1332.766020][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.766064][ T32] Exception stack(0xeace5fb0 to 0xeace5ff8) [ 1332.766140][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1332.766176][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.766254][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.766291][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.766466][ T32] r4:85278840 [ 1332.766775][ T32] INFO: task kworker/1:447:4236 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.766856][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.767105][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.767159][ T32] Call trace: [ 1332.767244][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 1 printk messages dropped ** [ 1332.767328][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1332.767570][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 7 printk messages dropped ** [ 1332.768047][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1332.768554][ T32] r5:84a2438c r4:84a24000 ** 5 printk messages dropped ** [ 1332.769072][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 5 printk messages dropped ** [ 1332.798399][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1332.798826][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1332.799124][ T32] r5:851f0000 r4:8291a680 ** 3 printk messages dropped ** [ 1332.799900][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1332.800024][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1332.800425][ T32] r5:85220b8c r4:85220800 [ 1332.800449][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1332.800601][ T32] r10:61c88647 r9:851f0000 r8:8527c2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1332.800922][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1332.801577][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1332.801910][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 4 printk messages dropped ** [ 1332.802051][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1332.802495][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1332.802905][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1332.803112][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 5 printk messages dropped ** [ 1332.803460][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1332.803831][ T32] r4:851f0c00 [ 1332.803889][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.803946][ T32] r5:851f0c00 r4:8291a680 [ 1332.803970][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.804014][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.804089][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacede08 [ 1332.804127][ T32] r4:00000000 [ 1332.804178][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.804249][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.804294][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.804342][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85278c40 [ 1332.804368][ T32] r4:00000000 [ 1332.804410][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.804467][ T32] r9:83018205 r8:851f0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f081000 [ 1332.804493][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.804562][ T32] r5:00001000 r4:e05b9000 [ 1332.804586][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.804629][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.804684][ T32] r5:8522138c r4:85221000 [ 1332.804706][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.804757][ T32] r7:ddde2d80 r6:83018200 r5:8522138c r4:8527c380 [ 1332.804781][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.804850][ T32] r10:61c88647 r9:851f0c00 r8:8527c3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.804901][ T32] r4:8527c380 [ 1332.804959][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.805015][ T32] r10:00000000 r9:8527c380 r8:80287e08 r7:eace5e60 r6:8527c400 r5:851f0c00 [ 1332.805041][ T32] r4:00000001 [ 1332.805086][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.805129][ T32] Exception stack(0xeacedfb0 to 0xeacedff8) [ 1332.805160][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.805194][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.805243][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.805279][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.805304][ T32] r4:852789c0 [ 1332.805500][ T32] INFO: task kworker/1:449:4240 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.805538][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.805687][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.805775][ T32] Call trace: [ 1332.805810][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.805888][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.805921][ T32] r4:00000000 [ 1332.805944][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.806001][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.806036][ T32] dd20: c99d7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.806068][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.806097][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.806123][ T32] r5:800d0013 r4:80239bb0 [ 1332.806146][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.806194][ T32] r4:82ac21e4 [ 1332.806216][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.806262][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.806307][ T32] r4:e044ddc0 [ 1332.806334][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.806430][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.806576][ T32] r4:00000000 [ 1332.806603][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.806662][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.806689][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.806738][ T32] r5:00001000 r4:dfe3d000 [ 1332.806773][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.806820][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.806867][ T32] r5:84a2438c r4:84a24000 [ 1332.806890][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.806941][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.806967][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.807036][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.807192][ T32] r4:84ab5800 [ 1332.807248][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.807305][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.807364][ T32] r4:00000001 [ 1332.807466][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.807514][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.807545][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.807592][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.807630][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.807733][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1332.808090][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1332.808478][ T32] r5:851f1800 r4:8291a680 [ 1332.808574][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.808623][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.808709][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacf5e08 [ 1332.808738][ T32] r4:00000000 [ 1332.808790][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.808867][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.808958][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.809040][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85278dc0 [ 1332.809070][ T32] r4:00000000 [ 1332.809126][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.809180][ T32] r9:83018205 r8:851f1800 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1332.809262][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.833792][ T32] r5:00001000 r4:ea837000 [ 1332.833906][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.834076][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.834182][ T32] r5:8522178c r4:85221400 [ 1332.834251][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.834407][ T32] r7:ddde2d80 r6:83018200 r5:8522178c r4:8527c480 [ 1332.834473][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.834584][ T32] r10:61c88647 r9:851f1800 r8:8527c4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.834650][ T32] r4:8527c480 [ 1332.834729][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.834851][ T32] r10:00000000 r9:8527c480 r8:80287e08 r7:eacede60 r6:8527c500 r5:851f1800 [ 1332.834930][ T32] r4:00000001 [ 1332.834998][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.835095][ T32] Exception stack(0xeacf5fb0 to 0xeacf5ff8) [ 1332.835173][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1332.835248][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.835321][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.835421][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.835485][ T32] r4:85278a40 [ 1332.836287][ T32] INFO: task kworker/1:450:4242 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.836395][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.836672][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.836828][ T32] Call trace: [ 1332.836939][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.837152][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.837198][ T32] r4:00000000 [ 1332.837221][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.837267][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.837394][ T32] dd20: c9c47000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.837433][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.837460][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.837487][ T32] r5:800d0013 r4:80239bb0 [ 1332.837510][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.837557][ T32] r4:82ac21e4 ** 3 printk messages dropped ** [ 1332.837807][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1332.838152][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1332.838481][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 5 printk messages dropped ** [ 1332.838660][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1332.839008][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1332.857378][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.857433][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacf9e08 [ 1332.857494][ T32] r4:00000000 [ 1332.857551][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.857708][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.857770][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.857850][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8519c000 [ 1332.857895][ T32] r4:00000000 [ 1332.857918][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.857972][ T32] r9:83018205 r8:851f3000 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 [ 1332.858031][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.858090][ T32] r5:00001000 r4:ea87b000 [ 1332.858157][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.858217][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.858326][ T32] r5:85221b8c r4:85221800 [ 1332.858364][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.858423][ T32] r7:ddde2d80 r6:83018200 r5:85221b8c r4:8527c580 [ 1332.858447][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.858499][ T32] r10:61c88647 r9:851f3000 r8:8527c5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.858524][ T32] r4:8527c580 [ 1332.858546][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.858598][ T32] r10:00000000 r9:8527c580 r8:80287e08 r7:eacf5e60 r6:8527c600 r5:851f3000 [ 1332.858622][ T32] r4:00000001 [ 1332.858675][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.858724][ T32] Exception stack(0xeacf9fb0 to 0xeacf9ff8) [ 1332.858760][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.858792][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.858862][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.858905][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.858960][ T32] r4:85278d40 [ 1332.864654][ T32] INFO: task kworker/1:451:4244 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.864779][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.864909][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.865003][ T32] Call trace: [ 1332.865047][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.865143][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.865176][ T32] r4:00000000 [ 1332.865235][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.865288][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.865352][ T32] dd20: c9f3a000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.865413][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.865446][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.865503][ T32] r5:800d0013 r4:80239bb0 [ 1332.865532][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.865582][ T32] r4:82ac21e4 [ 1332.865635][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.865731][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.865776][ T32] r4:e044ddc0 [ 1332.865803][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.865853][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.865880][ T32] r4:00000000 [ 1332.865903][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.865955][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.865980][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.866026][ T32] r5:00001000 r4:dfe3d000 [ 1332.866049][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1332.866164][ T32] r5:84a2438c r4:84a24000 ** 3 printk messages dropped ** [ 1332.866510][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1332.866610][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 5 printk messages dropped ** [ 1332.866819][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1332.867252][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1332.867738][ T32] r5:851f4800 r4:8291a680 ** 3 printk messages dropped ** [ 1332.867896][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1332.867999][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1332.868579][ T32] r5:85221f8c r4:85221c00 [ 1332.868636][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.868711][ T32] r7:ddde2d80 r6:83018200 r5:85221f8c r4:8527c680 ** 1 printk messages dropped ** [ 1332.868806][ T32] r10:61c88647 r9:851f4800 r8:8527c6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1332.869058][ T32] r10:00000000 r9:8527c680 r8:80287e08 r7:eacf9e60 r6:8527c700 r5:851f4800 ** 7 printk messages dropped ** [ 1332.883479][ T32] r4:85278a40 ** 2 printk messages dropped ** [ 1332.884136][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1332.884357][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1332.884597][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1332.884816][ T32] r4:e044ddc0 ** 3 printk messages dropped ** [ 1332.885114][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 7 printk messages dropped ** [ 1332.885669][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 4 printk messages dropped ** [ 1332.885883][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1332.886252][ T32] r4:84ab0640 ** 3 printk messages dropped ** [ 1332.886413][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1332.887120][ T32] r5:851f5400 r4:8291a680 ** 3 printk messages dropped ** [ 1332.887253][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1332.887417][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1332.887729][ T32] r5:00001000 r4:ea8fb000 ** 2 printk messages dropped ** [ 1332.887869][ T32] r5:85222b8c r4:85222800 [ 1332.887908][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.887961][ T32] r7:ddde2d80 r6:83018200 r5:85222b8c r4:8527c780 [ 1332.887984][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.888035][ T32] r10:61c88647 r9:851f5400 r8:8527c7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.888059][ T32] r4:8527c780 [ 1332.888080][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.888143][ T32] r10:00000000 r9:8527c780 r8:80287e08 r7:eacfde60 r6:8527c800 r5:851f5400 [ 1332.888207][ T32] r4:00000001 [ 1332.888232][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.888272][ T32] Exception stack(0xead01fb0 to 0xead01ff8) [ 1332.888339][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1332.888374][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.888404][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.888529][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.888561][ T32] r4:852bf080 [ 1332.888801][ T32] INFO: task kworker/1:453:4248 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.888856][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.888957][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.889151][ T32] Call trace: [ 1332.889188][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.914374][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.914504][ T32] r4:00000000 [ 1332.914535][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.914612][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.914657][ T32] dd20: ca51e000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.914707][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.914742][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.914770][ T32] r5:800d0013 r4:80239bb0 [ 1332.914811][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.914867][ T32] r4:82ac21e4 [ 1332.914893][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.914942][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.914991][ T32] r4:e044ddc0 [ 1332.915018][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.915066][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.915090][ T32] r4:00000000 [ 1332.915112][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.915162][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.915186][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.915237][ T32] r5:00001000 r4:dfe3d000 [ 1332.915260][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.915303][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.915349][ T32] r5:84a2438c r4:84a24000 [ 1332.915371][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.915422][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.915447][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.915501][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.915527][ T32] r4:84ab5800 [ 1332.915548][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.915613][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.915648][ T32] r4:00000001 [ 1332.915672][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.915730][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.915763][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.915795][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.915824][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.915865][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.915894][ T32] r4:84ab0640 [ 1332.915987][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.916029][ T32] INFO: task kworker/1:454:4250 blocked for more than 459 seconds. [ 1332.916067][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.916095][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.916120][ T32] task:kworker/1:454 state:D stack:0 pid:4250 tgid:4250 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.916186][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.916255][ T32] Call trace: [ 1332.916292][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.916539][ T32] r10:8291a684 r9:ead05d84 r8:00000002 r7:60000013 r6:ead05d8c r5:851f6000 [ 1332.916574][ T32] r4:851f6000 [ 1332.916598][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.916764][ T32] r5:851f6000 r4:8291a680 [ 1332.916793][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.916838][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.916885][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead05e08 [ 1332.916910][ T32] r4:00000000 [ 1332.916931][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.917070][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.917123][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.917376][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85267dc0 [ 1332.917501][ T32] r4:00000000 [ 1332.917534][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.917648][ T32] r9:83018205 r8:851f6000 r7:00000000 r6:83018200 r5:00001000 r4:7f089000 [ 1332.917679][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.917728][ T32] r5:00001000 r4:ea8a1000 [ 1332.917750][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.917792][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.918030][ T32] r5:841d9f8c r4:841d9c00 [ 1332.918058][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.918111][ T32] r7:ddde2d80 r6:83018200 r5:841d9f8c r4:8527c880 [ 1332.918239][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.918325][ T32] r10:61c88647 r9:851f6000 r8:8527c8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.918352][ T32] r4:8527c880 [ 1332.918374][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1332.918727][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1332.927717][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 7 printk messages dropped ** [ 1332.928262][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1332.928682][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.928729][ T32] r5:00001000 r4:dfe3d000 [ 1332.928765][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.928815][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.928862][ T32] r5:84a2438c r4:84a24000 [ 1332.928886][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.928940][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.928963][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.929015][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.929039][ T32] r4:84ab5800 [ 1332.929060][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.929109][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.929132][ T32] r4:00000001 [ 1332.929180][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.939951][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.940014][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.940052][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.940084][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.940138][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.940171][ T32] r4:84ab0640 [ 1332.940201][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.940251][ T32] INFO: task kworker/1:455:4251 blocked for more than 459 seconds. [ 1332.940290][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.940419][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.940450][ T32] task:kworker/1:455 state:D stack:0 pid:4251 tgid:4251 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.940637][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.940717][ T32] Call trace: [ 1332.940756][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.940821][ T32] r10:8291a684 r9:ead09d84 r8:00000002 r7:60000013 r6:ead09d8c r5:851f2400 [ 1332.940849][ T32] r4:851f2400 [ 1332.940895][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.940950][ T32] r5:851f2400 r4:8291a680 [ 1332.940975][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.941020][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.941070][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead09e08 [ 1332.941097][ T32] r4:00000000 [ 1332.941120][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.941159][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.941202][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.941253][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852bf680 [ 1332.941280][ T32] r4:00000000 [ 1332.941304][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.941520][ T32] r9:83018205 r8:851f2400 r7:00000000 r6:83018200 r5:00001000 r4:7f08b000 [ 1332.941637][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.941698][ T32] r5:00001000 r4:ea8b9000 [ 1332.941724][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.941771][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.941818][ T32] r5:8522238c r4:85222000 ** 3 printk messages dropped ** [ 1332.941997][ T32] r10:61c88647 r9:851f2400 r8:8527c9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1332.942498][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1332.943358][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1332.943713][ T32] r4:82ac21e4 ** 3 printk messages dropped ** [ 1332.943954][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 10 printk messages dropped ** [ 1332.944520][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1332.944730][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1332.944849][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1332.945199][ T32] Call trace: ** 6 printk messages dropped ** [ 1332.945693][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1332.946094][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.946138][ T32] r5:00001000 r4:ea8db000 [ 1332.946160][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.946207][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.946254][ T32] r5:8522278c r4:85222400 [ 1332.946275][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.946325][ T32] r7:ddde2d80 r6:83018200 r5:8522278c r4:8527ca80 [ 1332.946347][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.946399][ T32] r10:61c88647 r9:851f6c00 r8:8527caac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.946423][ T32] r4:8527ca80 [ 1332.946443][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.946521][ T32] r10:00000000 r9:8527ca80 r8:80287e08 r7:ead01e60 r6:8527cb00 r5:851f6c00 [ 1332.946609][ T32] r4:00000001 [ 1332.946654][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.946698][ T32] Exception stack(0xead11fb0 to 0xead11ff8) [ 1332.946729][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1332.946795][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.946847][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.946884][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.946940][ T32] r4:852bf240 [ 1332.947176][ T32] INFO: task kworker/1:456:4254 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.947219][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.947446][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.947557][ T32] Call trace: [ 1332.947593][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.947657][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.947685][ T32] r4:00000000 [ 1332.947706][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.947750][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.947781][ T32] dd20: ca6d3000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.947812][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.947841][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.947892][ T32] r5:800d0013 r4:80239bb0 [ 1332.947919][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.947965][ T32] r4:82ac21e4 [ 1332.948009][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.948121][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.948152][ T32] r4:e044ddc0 [ 1332.948174][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.948219][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.948268][ T32] r4:00000000 [ 1332.948293][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.948343][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.948403][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.948454][ T32] r5:00001000 r4:dfe3d000 [ 1332.948478][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.948543][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.948591][ T32] r5:84a2438c r4:84a24000 [ 1332.948613][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.948673][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.948698][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.948750][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.948792][ T32] r4:84ab5800 [ 1332.948818][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.948892][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.948921][ T32] r4:00000001 [ 1332.948942][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.948981][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.949067][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.949175][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.949211][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.949245][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.949352][ T32] r4:84ab0640 [ 1332.972978][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.973066][ T32] INFO: task kworker/1:457:4257 blocked for more than 459 seconds. [ 1332.973113][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.973173][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.973204][ T32] task:kworker/1:457 state:D stack:0 pid:4257 tgid:4257 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.973390][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.973500][ T32] Call trace: [ 1332.973606][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.973688][ T32] r10:8291a684 r9:eab5dd84 r8:00000002 r7:60000113 r6:eab5dd8c r5:83bd2400 [ 1332.973915][ T32] r4:83bd2400 [ 1332.973943][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1332.973993][ T32] r5:83bd2400 r4:8291a680 [ 1332.974015][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.974058][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.974147][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab5de08 [ 1332.974177][ T32] r4:00000000 [ 1332.974272][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1332.974315][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1332.974421][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1332.974713][ T32] r5:00001000 r4:ea94b000 ** 2 printk messages dropped ** [ 1332.974983][ T32] r5:85223b8c r4:85223800 [ 1332.975007][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1332.975165][ T32] r4:8527cb80 [ 1332.975289][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.975354][ T32] r10:00000000 r9:8527cb80 r8:80287e08 r7:ead01e60 r6:850bfc00 r5:83bd2400 ** 3 printk messages dropped ** [ 1332.975716][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.975749][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.975777][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.975874][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.975949][ T32] r4:852bf8c0 [ 1332.976438][ T32] INFO: task kworker/1:457:4257 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1332.976478][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.976563][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.976612][ T32] Call trace: [ 1332.976652][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1332.976709][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1332.976769][ T32] r4:00000000 [ 1332.976804][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.976849][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1332.976880][ T32] dd20: ca962000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1332.976913][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1332.976941][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1332.976982][ T32] r5:800d0013 r4:80239bb0 [ 1332.977020][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.977068][ T32] r4:82ac21e4 [ 1332.977091][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.977136][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1332.977254][ T32] r4:e044ddc0 [ 1332.977291][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1332.977340][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1332.977489][ T32] r4:00000000 [ 1332.977517][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1332.977569][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1332.977639][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1332.977799][ T32] r5:00001000 r4:dfe3d000 [ 1332.977827][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1332.977895][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.977947][ T32] r5:84a2438c r4:84a24000 [ 1332.977969][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1332.978019][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1332.978043][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1332.978093][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.978116][ T32] r4:84ab5800 [ 1332.978210][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1332.978267][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1332.978347][ T32] r4:00000001 [ 1332.978372][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.978413][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1332.978565][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.978602][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.978633][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.978676][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1332.978702][ T32] r4:84ab0640 [ 1332.978738][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.978774][ T32] INFO: task kworker/1:458:4259 blocked for more than 459 seconds. [ 1332.978805][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1332.978831][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.978856][ T32] task:kworker/1:458 state:D stack:0 pid:4259 tgid:4259 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.978961][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.979042][ T32] Call trace: [ 1332.979077][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1332.979142][ T32] r10:8291a684 r9:ead15d84 r8:00000002 r7:60000013 r6:ead15d8c r5:83bd3000 [ 1332.979206][ T32] r4:83bd3000 [ 1333.000316][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.000639][ T32] r5:83bd3000 r4:8291a680 [ 1333.000699][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.000780][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.000844][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead15e08 [ 1333.000875][ T32] r4:00000000 [ 1333.000902][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.000945][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.001023][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.001081][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852bfb40 [ 1333.001108][ T32] r4:00000000 [ 1333.001131][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.001189][ T32] r9:83018205 r8:83bd3000 r7:00000000 r6:83018200 r5:00001000 r4:7f093000 [ 1333.001217][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.001308][ T32] r5:00001000 r4:ea913000 [ 1333.001337][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.001387][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.001470][ T32] r5:85222f8c r4:85222c00 [ 1333.001499][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.001604][ T32] r7:ddde2d80 r6:83018200 r5:85222f8c r4:8527cc00 [ 1333.001646][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.001708][ T32] r10:61c88647 r9:83bd3000 r8:8527cc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.001736][ T32] r4:8527cc00 [ 1333.001819][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.001881][ T32] r10:00000000 r9:8527cc00 r8:80287e08 r7:eab5de60 r6:850bfc80 r5:83bd3000 [ 1333.001907][ T32] r4:00000001 [ 1333.001928][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.001973][ T32] Exception stack(0xead15fb0 to 0xead15ff8) [ 1333.002035][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.002073][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.002104][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1333.003126][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1333.003514][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1333.003725][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1333.003993][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1333.004086][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 9 printk messages dropped ** [ 1333.004527][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 5 printk messages dropped ** [ 1333.004738][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1333.005015][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 5 printk messages dropped ** [ 1333.005498][ T32] r10:8291a684 r9:ead21d84 r8:00000002 r7:60000013 r6:ead21d8c r5:83bd4800 ** 5 printk messages dropped ** [ 1333.005783][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead21e08 ** 7 printk messages dropped ** [ 1333.006224][ T32] r9:83018205 r8:83bd4800 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 ** 4 printk messages dropped ** [ 1333.006575][ T32] r5:8522338c r4:85223000 ** 1 printk messages dropped ** [ 1333.006654][ T32] r7:ddde2d80 r6:83018200 r5:8522338c r4:8527cc80 [ 1333.006677][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.006734][ T32] r10:61c88647 r9:83bd4800 r8:8527ccac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.006759][ T32] r4:8527cc80 [ 1333.006780][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.006830][ T32] r10:00000000 r9:8527cc80 r8:80287e08 r7:eab5de60 r6:850bfd00 r5:83bd4800 [ 1333.006854][ T32] r4:00000001 [ 1333.006904][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.006947][ T32] Exception stack(0xead21fb0 to 0xead21ff8) [ 1333.006975][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1333.007007][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.007063][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.007110][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.007138][ T32] r4:852bf940 [ 1333.007312][ T32] INFO: task kworker/1:459:4260 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.007348][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.007426][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.007522][ T32] Call trace: [ 1333.007559][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.007647][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.007678][ T32] r4:00000000 [ 1333.007699][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.007748][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.007779][ T32] dd20: cab0d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.007812][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.007899][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.007930][ T32] r5:800d0013 r4:80239bb0 [ 1333.007983][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.008031][ T32] r4:82ac21e4 [ 1333.008054][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.008156][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.008244][ T32] r4:e044ddc0 [ 1333.008270][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.008316][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.008341][ T32] r4:00000000 [ 1333.008361][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.008427][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.008562][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.008616][ T32] r5:00001000 r4:dfe3d000 [ 1333.008639][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.008693][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.008740][ T32] r5:84a2438c r4:84a24000 [ 1333.008762][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.008826][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.008853][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.008922][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1333.031040][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 14 printk messages dropped ** [ 1333.031908][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 13 printk messages dropped ** [ 1333.032588][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1333.032777][ T32] r7:ddde2d80 r6:83018200 r5:8522378c r4:8527cd00 ** 3 printk messages dropped ** [ 1333.032980][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1333.033486][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 4 printk messages dropped ** [ 1333.034187][ T32] Call trace: ** 5 printk messages dropped ** [ 1333.034466][ T32] dd20: cade5000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 6 printk messages dropped ** [ 1333.034812][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1333.035296][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.035370][ T32] r5:84a2438c r4:84a24000 [ 1333.035398][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.035453][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.035478][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.035530][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.035556][ T32] r4:84ab5800 [ 1333.035577][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.035627][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.035658][ T32] r4:00000001 [ 1333.035681][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.035723][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.035752][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.035784][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.035814][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.035847][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.035873][ T32] r4:84ab0640 [ 1333.035913][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.035944][ T32] INFO: task kworker/1:461:4265 blocked for more than 459 seconds. [ 1333.035975][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.036022][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.036049][ T32] task:kworker/1:461 state:D stack:0 pid:4265 tgid:4265 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.036129][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.036227][ T32] Call trace: [ 1333.036323][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.036382][ T32] r10:8291a684 r9:ead0dd84 r8:00000002 r7:60000013 r6:ead0dd8c r5:851f8c00 [ 1333.036442][ T32] r4:851f8c00 [ 1333.036468][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.036557][ T32] r5:851f8c00 r4:8291a680 [ 1333.036616][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.036737][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.036806][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead0de08 [ 1333.036911][ T32] r4:00000000 [ 1333.036947][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.036988][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.037055][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.037108][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852bf3c0 [ 1333.037208][ T32] r4:00000000 [ 1333.037280][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.037334][ T32] r9:83018205 r8:851f8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f09b000 ** 1 printk messages dropped ** [ 1333.037407][ T32] r5:00001000 r4:ea95d000 ** 1 printk messages dropped ** [ 1333.037546][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.037606][ T32] r5:85223f8c r4:85223c00 ** 3 printk messages dropped ** [ 1333.037858][ T32] r10:61c88647 r9:851f8c00 r8:8527cdac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1333.038183][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1333.038832][ T32] Call trace: ** 4 printk messages dropped ** [ 1333.039044][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 3 printk messages dropped ** [ 1333.039164][ T32] r5:800d0013 r4:80239bb0 ** 4 printk messages dropped ** [ 1333.057909][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1333.058185][ T32] r5:00001000 r4:dfe3d000 ** 4 printk messages dropped ** [ 1333.058531][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1333.058798][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1333.058963][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.059007][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.059038][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.059072][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.059097][ T32] r4:84ab0640 [ 1333.059152][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.059207][ T32] INFO: task kworker/1:462:4267 blocked for more than 459 seconds. [ 1333.059249][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.059358][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.074443][ T32] task:kworker/1:462 state:D stack:0 pid:4267 tgid:4267 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.074661][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.074850][ T32] Call trace: [ 1333.074978][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.075131][ T32] r10:8291a684 r9:ead29d84 r8:00000002 r7:60000113 r6:ead29d8c r5:851f9800 [ 1333.075198][ T32] r4:851f9800 [ 1333.075247][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.075345][ T32] r5:851f9800 r4:8291a680 [ 1333.075402][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.075471][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.075548][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead29e08 [ 1333.075575][ T32] r4:00000000 [ 1333.075625][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.075719][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.075808][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.075858][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852be040 [ 1333.075884][ T32] r4:00000000 [ 1333.075926][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.075986][ T32] r9:83018205 r8:851f9800 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1333.076012][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.076060][ T32] r5:00001000 r4:ea975000 [ 1333.076082][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.076125][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.076172][ T32] r5:8522c38c r4:8522c000 [ 1333.076225][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.076287][ T32] r7:ddde2d80 r6:83018200 r5:8522c38c r4:8527ce80 [ 1333.076312][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.076366][ T32] r10:61c88647 r9:851f9800 r8:8527ceac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.076397][ T32] r4:8527ce80 [ 1333.076428][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.076485][ T32] r10:00000000 r9:8527ce80 r8:80287e08 r7:ead0de60 r6:8527cf00 r5:851f9800 [ 1333.076554][ T32] r4:00000001 [ 1333.076581][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.076655][ T32] Exception stack(0xead29fb0 to 0xead29ff8) [ 1333.076735][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.076774][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.076805][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.076838][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 2 printk messages dropped ** [ 1333.077389][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1333.077890][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1333.078345][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 12 printk messages dropped ** [ 1333.078953][ T32] r4:84ab5800 [ 1333.078974][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.079085][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.079439][ T32] r4:00000001 [ 1333.091520][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.091764][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.091853][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.091933][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.091981][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.092030][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.092088][ T32] r4:84ab0640 [ 1333.092144][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.092190][ T32] INFO: task kworker/1:463:4269 blocked for more than 459 seconds. [ 1333.092237][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.092281][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.092315][ T32] task:kworker/1:463 state:D stack:0 pid:4269 tgid:4269 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.092400][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.092529][ T32] Call trace: [ 1333.092606][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.092704][ T32] r10:8291a684 r9:ead2dd84 r8:00000002 r7:60000113 r6:ead2dd8c r5:851fa400 [ 1333.092739][ T32] r4:851fa400 [ 1333.092769][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.092848][ T32] r5:851fa400 r4:8291a680 ** 3 printk messages dropped ** [ 1333.093013][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1333.093620][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852be4c0 ** 6 printk messages dropped ** [ 1333.094092][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.094140][ T32] r5:8522cb8c r4:8522c800 [ 1333.094163][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.094220][ T32] r7:ddde2d80 r6:83018200 r5:8522cb8c r4:8527cf80 [ 1333.094244][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.094302][ T32] r10:61c88647 r9:851fa400 r8:8527cfac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.094361][ T32] r4:8527cf80 [ 1333.094394][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.094573][ T32] r10:00000000 r9:8527cf80 r8:80287e08 r7:ead29e60 r6:852bd000 r5:851fa400 [ 1333.094606][ T32] r4:00000001 [ 1333.094654][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.094706][ T32] Exception stack(0xead2dfb0 to 0xead2dff8) [ 1333.094736][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.094771][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.094801][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.094832][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.094856][ T32] r4:852be000 [ 1333.095450][ T32] INFO: task kworker/1:463:4269 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.095505][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.095583][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.095635][ T32] Call trace: [ 1333.095819][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.096044][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.096077][ T32] r4:00000000 [ 1333.096118][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.096185][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.096218][ T32] dd20: cb383000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.096252][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.096308][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 4 printk messages dropped ** [ 1333.096554][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1333.097207][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1333.097962][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1333.098388][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 12 printk messages dropped ** [ 1333.123218][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 15 printk messages dropped ** [ 1333.124228][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.124319][ T32] r5:8522c78c r4:8522c400 ** 3 printk messages dropped ** [ 1333.124726][ T32] r10:61c88647 r9:851fb000 r8:852bd0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1333.125026][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1333.125836][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1333.126404][ T32] dd20: cb68b000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 9 printk messages dropped ** [ 1333.126878][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1333.127444][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 2 printk messages dropped ** [ 1333.127565][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1333.127692][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 9 printk messages dropped ** [ 1333.128266][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1333.128383][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.128436][ T32] Call trace: [ 1333.128474][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.128742][ T32] r10:8291a684 r9:ead35d84 r8:00000002 r7:60000113 r6:ead35d8c r5:851fbc00 [ 1333.128783][ T32] r4:851fbc00 [ 1333.128844][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.128900][ T32] r5:851fbc00 r4:8291a680 [ 1333.128924][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.128969][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.129019][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead35e08 [ 1333.129046][ T32] r4:00000000 [ 1333.129136][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.129182][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.129222][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.129365][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852bea00 [ 1333.155408][ T32] r4:00000000 [ 1333.155509][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.155680][ T32] r9:83018205 r8:851fbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0cb000 [ 1333.155742][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.155840][ T32] r5:00001000 r4:eaae1000 [ 1333.155889][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.155990][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.156093][ T32] r5:8522d78c r4:8522d400 [ 1333.156147][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.156252][ T32] r7:ddde2d80 r6:83018200 r5:8522d78c r4:852bd180 [ 1333.156305][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.156415][ T32] r10:61c88647 r9:851fbc00 r8:852bd1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.156472][ T32] r4:852bd180 [ 1333.156594][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.156714][ T32] r10:00000000 r9:852bd180 r8:80287e08 r7:ead2de60 r6:852bd200 r5:851fbc00 [ 1333.156775][ T32] r4:00000001 [ 1333.156823][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.156909][ T32] Exception stack(0xead35fb0 to 0xead35ff8) [ 1333.156976][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.157051][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.157117][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.157184][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.157278][ T32] r4:852be340 [ 1333.158024][ T32] INFO: task kworker/1:465:4273 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.158119][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.158355][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.158548][ T32] Call trace: [ 1333.158642][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.158767][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.158825][ T32] r4:00000000 [ 1333.158913][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.159037][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.159114][ T32] dd20: cb95a000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 1 printk messages dropped ** [ 1333.159250][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1333.184747][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1333.185570][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1333.186022][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1333.186545][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1333.187403][ T32] Call trace: ** 6 printk messages dropped ** [ 1333.188117][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1333.188779][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1333.196616][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.196793][ T32] r5:8522cf8c r4:8522cc00 ** 2 printk messages dropped ** [ 1333.196918][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1333.197250][ T32] Exception stack(0xead3dfb0 to 0xead3dff8) ** 4 printk messages dropped ** [ 1333.197483][ T32] r4:852be3c0 ** 2 printk messages dropped ** [ 1333.198145][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1333.198502][ T32] dd20: cbd2d000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 14 printk messages dropped ** [ 1333.199238][ T32] r5:00001000 r4:dfe3d000 ** 7 printk messages dropped ** [ 1333.205925][ T32] r4:84ab5800 [ 1333.205960][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.206073][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.206135][ T32] r4:00000001 [ 1333.206185][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.206269][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.206376][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.206456][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.206520][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.206599][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.206651][ T32] r4:84ab0640 [ 1333.206701][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.206788][ T32] INFO: task kworker/1:467:4277 blocked for more than 459 seconds. [ 1333.206849][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.206907][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.206948][ T32] task:kworker/1:467 state:D stack:0 pid:4277 tgid:4277 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.207017][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.207116][ T32] Call trace: [ 1333.207158][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.207248][ T32] r10:8291a684 r9:ead59d84 r8:00000002 r7:60000113 r6:ead59d8c r5:851fe000 [ 1333.207281][ T32] r4:851fe000 [ 1333.207309][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.207359][ T32] r5:851fe000 r4:8291a680 [ 1333.207383][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.207475][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.207576][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead59e08 [ 1333.207629][ T32] r4:00000000 [ 1333.207680][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.207765][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.207888][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.207991][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852be740 [ 1333.208047][ T32] r4:00000000 [ 1333.208094][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.208196][ T32] r9:83018205 r8:851fe000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c9000 [ 1333.208255][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.208363][ T32] r5:00001000 r4:eaac9000 [ 1333.208427][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.208539][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.208703][ T32] r5:8522d38c r4:8522d000 [ 1333.208792][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.208896][ T32] r7:ddde2d80 r6:83018200 r5:8522d38c r4:852bd380 [ 1333.208975][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.209087][ T32] r10:61c88647 r9:851fe000 r8:852bd3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1333.223711][ T32] r10:00000000 r9:852bd380 r8:80287e08 r7:ead35e60 r6:852bd400 r5:851fe000 ** 7 printk messages dropped ** [ 1333.224060][ T32] r4:852be340 [ 1333.224586][ T32] INFO: task kworker/1:467:4277 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.224646][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.224729][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.224787][ T32] Call trace: [ 1333.224840][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.224917][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.224948][ T32] r4:00000000 [ 1333.224998][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.225050][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.225084][ T32] dd20: cbf93000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.225117][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.225145][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.225171][ T32] r5:800d0013 r4:80239bb0 [ 1333.225214][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.225267][ T32] r4:82ac21e4 [ 1333.225320][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.225373][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.225426][ T32] r4:e044ddc0 [ 1333.225491][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.225543][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.225578][ T32] r4:00000000 [ 1333.225601][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.225680][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.225712][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.225762][ T32] r5:00001000 r4:dfe3d000 [ 1333.225786][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1333.225945][ T32] r5:84a2438c r4:84a24000 ** 4 printk messages dropped ** [ 1333.226156][ T32] r4:84ab5800 ** 5 printk messages dropped ** [ 1333.226373][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1333.226651][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1333.227109][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 12 printk messages dropped ** [ 1333.227635][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1333.227805][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1333.228337][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.228414][ T32] r4:852be880 [ 1333.228716][ T32] INFO: task kworker/1:468:4279 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.228764][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.228829][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.228903][ T32] Call trace: [ 1333.228961][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.229064][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.229126][ T32] r4:00000000 [ 1333.229155][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.229288][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.250567][ T32] dd20: cc1ca000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.250641][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.250680][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.250739][ T32] r5:800d0013 r4:80239bb0 [ 1333.250775][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.250877][ T32] r4:82ac21e4 [ 1333.250936][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.251006][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.251040][ T32] r4:e044ddc0 [ 1333.251089][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.251159][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.251195][ T32] r4:00000000 [ 1333.251226][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.251295][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.251327][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.251394][ T32] r5:00001000 r4:dfe3d000 [ 1333.251424][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.251482][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.251544][ T32] r5:84a2438c r4:84a24000 [ 1333.251580][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.251650][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.251681][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.251754][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.251787][ T32] r4:84ab5800 [ 1333.251809][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.251961][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.252084][ T32] r4:00000001 [ 1333.252113][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.252158][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.252189][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.252223][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.252291][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.252350][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.252397][ T32] r4:84ab0640 ** 3 printk messages dropped ** [ 1333.252623][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 15 printk messages dropped ** [ 1333.253386][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852bee00 ** 6 printk messages dropped ** [ 1333.253764][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1333.254306][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1333.254655][ T32] r4:852bea80 ** 9 printk messages dropped ** [ 1333.255691][ T32] dd20: cc1ca000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 6 printk messages dropped ** [ 1333.255952][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.256009][ T32] r4:e044ddc0 [ 1333.256035][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.256082][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.256120][ T32] r4:00000000 [ 1333.256177][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.256263][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.256322][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.256373][ T32] r5:00001000 r4:dfe3d000 [ 1333.256428][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.256524][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.256588][ T32] r5:84a2438c r4:84a24000 [ 1333.256650][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.256709][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.256736][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.256788][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.256812][ T32] r4:84ab5800 [ 1333.256832][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.256897][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.256928][ T32] r4:00000001 [ 1333.256949][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.256989][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 3 printk messages dropped ** [ 1333.257146][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1333.257424][ T32] Call trace: ** 3 printk messages dropped ** [ 1333.257675][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 7 printk messages dropped ** [ 1333.257990][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1333.258464][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.258559][ T32] r5:85100b8c r4:85100800 [ 1333.258588][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1333.258742][ T32] r4:850bfe80 [ 1333.258762][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.258863][ T32] r10:00000000 r9:850bfe80 r8:80287e08 r7:eaa0de60 r6:850bff00 r5:83bd6c00 [ 1333.258980][ T32] r4:00000001 [ 1333.259014][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.259054][ T32] Exception stack(0xead69fb0 to 0xead69ff8) [ 1333.259111][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.259352][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.282902][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.282975][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.283004][ T32] r4:852c7200 [ 1333.283521][ T32] INFO: task kworker/0:113:4284 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.283581][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.283666][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.283797][ T32] Call trace: [ 1333.283836][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.283968][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.284002][ T32] r4:00000000 [ 1333.284025][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.284072][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.284104][ T32] dd20: cc4c7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.284136][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.284164][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.284190][ T32] r5:800d0013 r4:80239bb0 [ 1333.284280][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.284339][ T32] r4:82ac21e4 [ 1333.284397][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.284530][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.284626][ T32] r4:e044ddc0 [ 1333.284754][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.284873][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.284904][ T32] r4:00000000 [ 1333.284973][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1333.285367][ T32] r5:84a2438c r4:84a24000 ** 5 printk messages dropped ** [ 1333.285598][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1333.286332][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1333.286708][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1333.287111][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1333.287635][ T32] r5:00001000 r4:ead19000 ** 1 printk messages dropped ** [ 1333.287703][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1333.288041][ T32] r7:ddde2d80 r6:83018200 r5:8522e78c r4:852bd600 ** 5 printk messages dropped ** [ 1333.288632][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1333.288953][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1333.298191][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1333.298795][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1333.299300][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 3 printk messages dropped ** [ 1333.314597][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.314660][ T32] r5:00001000 r4:dfe3d000 [ 1333.314831][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.314883][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.314933][ T32] r5:84a2438c r4:84a24000 [ 1333.315267][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.315386][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.315425][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.315481][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.315506][ T32] r4:84ab5800 [ 1333.315528][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.315586][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.315613][ T32] r4:00000001 [ 1333.315635][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.315676][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.315710][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.315743][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.315829][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.315868][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.315895][ T32] r4:84ab0640 [ 1333.315923][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.315975][ T32] INFO: task kworker/1:471:4287 blocked for more than 459 seconds. [ 1333.316035][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.316101][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.316132][ T32] task:kworker/1:471 state:D stack:0 pid:4287 tgid:4287 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.316293][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.316344][ T32] Call trace: [ 1333.316437][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.316528][ T32] r10:8291a684 r9:ead85d84 r8:00000002 r7:60000013 r6:ead85d8c r5:849c9800 [ 1333.316584][ T32] r4:849c9800 [ 1333.316609][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.316659][ T32] r5:849c9800 r4:8291a680 [ 1333.316681][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.316725][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.316773][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead85e08 [ 1333.316799][ T32] r4:00000000 [ 1333.316822][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.316880][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.316925][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.317003][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852bedc0 [ 1333.317033][ T32] r4:00000000 [ 1333.317055][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.317136][ T32] r9:83018205 r8:849c9800 r7:00000000 r6:83018200 r5:00001000 r4:7f0d3000 [ 1333.317261][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.317320][ T32] r5:00001000 r4:eab85000 [ 1333.317344][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.317387][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.317582][ T32] r5:8522e38c r4:8522e000 [ 1333.317642][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.317699][ T32] r7:ddde2d80 r6:83018200 r5:8522e38c r4:852bd680 [ 1333.317723][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.317892][ T32] r10:61c88647 r9:849c9800 r8:852bd6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.318017][ T32] r4:852bd680 [ 1333.318134][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.318197][ T32] r10:00000000 r9:852bd680 r8:80287e08 r7:ead6de60 r6:852cc000 r5:849c9800 [ 1333.318239][ T32] r4:00000001 [ 1333.318265][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.318339][ T32] Exception stack(0xead85fb0 to 0xead85ff8) [ 1333.318371][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.318402][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.318431][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.318463][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.318487][ T32] r4:852bed00 [ 1333.319013][ T32] INFO: task kworker/1:471:4287 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.319062][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.319127][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.319177][ T32] Call trace: [ 1333.319212][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.319348][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.327001][ T32] r4:00000000 [ 1333.327085][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.327161][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.327200][ T32] dd20: cc79f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.327262][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.327325][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.327358][ T32] r5:800d0013 r4:80239bb0 [ 1333.327398][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 6 printk messages dropped ** [ 1333.327701][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1333.327927][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1333.328365][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 9 printk messages dropped ** [ 1333.328971][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1333.340189][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1333.340645][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85267100 ** 6 printk messages dropped ** [ 1333.341301][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1333.341777][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1333.342408][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1333.343210][ T32] Call trace: ** 4 printk messages dropped ** [ 1333.343505][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.343564][ T32] dd20: cc8db000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.343604][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.343653][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.343715][ T32] r5:800d0013 r4:80239bb0 [ 1333.343743][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.343819][ T32] r4:82ac21e4 [ 1333.343848][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.343898][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.343924][ T32] r4:e044ddc0 [ 1333.343970][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.344052][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.344082][ T32] r4:00000000 [ 1333.344123][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.344294][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.344372][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.344456][ T32] r5:00001000 r4:dfe3d000 [ 1333.344485][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.344608][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.344721][ T32] r5:84a2438c r4:84a24000 [ 1333.344750][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.344804][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.344827][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.344878][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.344949][ T32] r4:84ab5800 [ 1333.344976][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.345075][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.345107][ T32] r4:00000001 [ 1333.345159][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.345204][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.345232][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.345335][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.345370][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.345402][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.345428][ T32] r4:84ab0640 [ 1333.345451][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.345492][ T32] INFO: task kworker/1:473:4291 blocked for more than 459 seconds. [ 1333.345573][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.345606][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.345630][ T32] task:kworker/1:473 state:D stack:0 pid:4291 tgid:4291 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.345713][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.345767][ T32] Call trace: [ 1333.345830][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.345903][ T32] r10:8291a684 r9:eada5d84 r8:00000002 r7:60000013 r6:eada5d8c r5:849cbc00 [ 1333.345933][ T32] r4:849cbc00 [ 1333.345958][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.346005][ T32] r5:849cbc00 r4:8291a680 [ 1333.346027][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.346070][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.346117][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eada5e08 [ 1333.346141][ T32] r4:00000000 [ 1333.346239][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.346283][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.346323][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.346400][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852cd600 [ 1333.346430][ T32] r4:00000000 [ 1333.346453][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.346533][ T32] r9:83018205 r8:849cbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0e1000 [ 1333.346572][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.346625][ T32] r5:00001000 r4:eade7000 [ 1333.346681][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.346775][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.346844][ T32] r5:8522ff8c r4:8522fc00 [ 1333.346903][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.347053][ T32] r7:ddde2d80 r6:83018200 r5:8522ff8c r4:852bd780 [ 1333.347113][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.347171][ T32] r10:61c88647 r9:849cbc00 r8:852bd7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.347199][ T32] r4:852bd780 [ 1333.347251][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.347307][ T32] r10:00000000 r9:852bd780 r8:80287e08 r7:ead9de60 r6:852cc100 r5:849cbc00 [ 1333.347333][ T32] r4:00000001 [ 1333.347356][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.347395][ T32] Exception stack(0xeada5fb0 to 0xeada5ff8) [ 1333.347423][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.347486][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.347521][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.347565][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.347622][ T32] r4:852671c0 [ 1333.347934][ T32] INFO: task kworker/1:473:4291 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.347979][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.348069][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.348141][ T32] Call trace: [ 1333.348212][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.348273][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.348304][ T32] r4:00000000 [ 1333.348327][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.348371][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.348402][ T32] dd20: cc8db000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.348432][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.348460][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.348525][ T32] r5:800d0013 r4:80239bb0 [ 1333.348574][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.348622][ T32] r4:82ac21e4 [ 1333.348645][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.348693][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.348733][ T32] r4:e044ddc0 [ 1333.348794][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.348845][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.348870][ T32] r4:00000000 [ 1333.348892][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.348943][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.348968][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.349013][ T32] r5:00001000 r4:dfe3d000 [ 1333.349088][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.349168][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.349284][ T32] r5:84a2438c r4:84a24000 [ 1333.371181][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.371366][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.371460][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.371539][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.371607][ T32] r4:84ab5800 [ 1333.371635][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.371692][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.371718][ T32] r4:00000001 [ 1333.371740][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.371782][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.371831][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.371870][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.371901][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.371933][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.371971][ T32] r4:84ab0640 [ 1333.372033][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.372131][ T32] INFO: task kworker/1:474:4292 blocked for more than 459 seconds. [ 1333.372266][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 2 printk messages dropped ** [ 1333.372434][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1333.372835][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1333.373159][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1333.373555][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.373609][ T32] r5:8522ef8c r4:8522ec00 [ 1333.373633][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1333.373862][ T32] r10:61c88647 r9:849ca400 r8:852bd82c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1333.374370][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1333.375095][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1333.375446][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1333.375988][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1333.376295][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 6 printk messages dropped ** [ 1333.376699][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1333.377047][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1333.377443][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 11 printk messages dropped ** [ 1333.378025][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 8 printk messages dropped ** [ 1333.378605][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852cd040 ** 4 printk messages dropped ** [ 1333.378824][ T32] r5:00001000 r4:eadbb000 [ 1333.378867][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.378915][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.378963][ T32] r5:8522f38c r4:8522f000 [ 1333.379016][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.379073][ T32] r7:ddde2d80 r6:83018200 r5:8522f38c r4:852bd880 [ 1333.379099][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.379151][ T32] r10:61c88647 r9:849cb000 r8:852bd8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.379206][ T32] r4:852bd880 [ 1333.379388][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.404668][ T32] r10:00000000 r9:852bd880 r8:80287e08 r7:eada5e60 r6:852cc200 r5:849cb000 [ 1333.404735][ T32] r4:00000001 [ 1333.404765][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.404877][ T32] Exception stack(0xeadc5fb0 to 0xeadc5ff8) [ 1333.404921][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.404956][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.404987][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.405019][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.405045][ T32] r4:852cd080 [ 1333.405523][ T32] INFO: task kworker/1:475:4294 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.405577][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.405693][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.405757][ T32] Call trace: [ 1333.405794][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.405864][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.405958][ T32] r4:00000000 [ 1333.406021][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.406071][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.406105][ T32] dd20: cce53000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.406137][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.406166][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.406194][ T32] r5:800d0013 r4:80239bb0 [ 1333.406218][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.406266][ T32] r4:82ac21e4 [ 1333.406288][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.406347][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.406377][ T32] r4:e044ddc0 [ 1333.406429][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.406482][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.406551][ T32] r4:00000000 [ 1333.406593][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.406678][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.406709][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.406759][ T32] r5:00001000 r4:dfe3d000 [ 1333.406781][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.406825][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.406872][ T32] r5:84a2438c r4:84a24000 [ 1333.406935][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.406997][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.407024][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.407094][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.407157][ T32] r4:84ab5800 [ 1333.407182][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.407234][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.407292][ T32] r4:00000001 [ 1333.407386][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.407431][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.407495][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.407531][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.407568][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1333.407658][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1333.408122][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1333.408419][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1333.408893][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1333.409070][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.409199][ T32] r5:8522f78c r4:8522f400 [ 1333.409226][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.422636][ T32] r7:ddde2d80 r6:83018200 r5:8522f78c r4:852bd900 [ 1333.422716][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.422822][ T32] r10:61c88647 r9:849cc800 r8:852bd92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.422888][ T32] r4:852bd900 [ 1333.422916][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.422972][ T32] r10:00000000 r9:852bd900 r8:80287e08 r7:eada5e60 r6:852cc280 r5:849cc800 [ 1333.423000][ T32] r4:00000001 [ 1333.423022][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.423094][ T32] Exception stack(0xeadd5fb0 to 0xeadd5ff8) [ 1333.423132][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.423164][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.423193][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.423256][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.423341][ T32] r4:852cd080 [ 1333.423908][ T32] INFO: task kworker/1:476:4296 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.423965][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 5 printk messages dropped ** [ 1333.424317][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 8 printk messages dropped ** [ 1333.424926][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1333.425568][ T32] r5:84a2438c r4:84a24000 ** 5 printk messages dropped ** [ 1333.425817][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1333.426129][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1333.426522][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1333.426979][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1333.427276][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1333.427592][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.427650][ T32] r5:8522fb8c r4:8522f800 [ 1333.427674][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1333.427843][ T32] r4:852bd980 ** 2 printk messages dropped ** [ 1333.427987][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1333.428265][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1333.429420][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1333.450407][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 2 printk messages dropped ** [ 1333.450562][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.450592][ T32] r4:00000000 [ 1333.450620][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.450681][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.450778][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.450840][ T32] r5:00001000 r4:dfe3d000 [ 1333.450866][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.451015][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.451074][ T32] r5:84a2438c r4:84a24000 [ 1333.451099][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.451156][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.451182][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.451240][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.451299][ T32] r4:84ab5800 [ 1333.451382][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.451476][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.451507][ T32] r4:00000001 [ 1333.451531][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.451598][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.451635][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.451764][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.451857][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.451987][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.452017][ T32] r4:84ab0640 [ 1333.452045][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.452078][ T32] INFO: task kworker/1:478:4301 blocked for more than 459 seconds. [ 1333.452146][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.452180][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.452208][ T32] task:kworker/1:478 state:D stack:0 pid:4301 tgid:4301 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.452273][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.452352][ T32] Call trace: [ 1333.452428][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.452493][ T32] r10:8291a684 r9:eadfdd84 r8:00000002 r7:60000113 r6:eadfdd8c r5:849cec00 [ 1333.452566][ T32] r4:849cec00 [ 1333.452592][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.452642][ T32] r5:849cec00 r4:8291a680 [ 1333.452664][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.452708][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.452757][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eadfde08 [ 1333.452782][ T32] r4:00000000 [ 1333.452810][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.452851][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.452888][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.452973][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852cd900 [ 1333.453002][ T32] r4:00000000 [ 1333.453057][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.453154][ T32] r9:83018205 r8:849cec00 r7:00000000 r6:83018200 r5:00001000 r4:7f0ef000 [ 1333.453184][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.453271][ T32] r5:00001000 r4:eae17000 [ 1333.453303][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.453354][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.453480][ T32] r5:8523878c r4:85238400 [ 1333.453516][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.453578][ T32] r7:ddde2d80 r6:83018200 r5:8523878c r4:852bda00 [ 1333.453601][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.453673][ T32] r10:61c88647 r9:849cec00 r8:852bda2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.453740][ T32] r4:852bda00 [ 1333.453803][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.453890][ T32] r10:00000000 r9:852bda00 r8:80287e08 r7:eada5e60 r6:852cc380 r5:849cec00 [ 1333.453919][ T32] r4:00000001 [ 1333.454041][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.454120][ T32] Exception stack(0xeadfdfb0 to 0xeadfdff8) [ 1333.454218][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.454255][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.454305][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.454347][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.454389][ T32] r4:852cd380 [ 1333.454799][ T32] INFO: task kworker/1:478:4301 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.454839][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1333.455355][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1333.455723][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1333.456099][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1333.456543][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1333.457038][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1333.457453][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1333.457809][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1333.458095][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.458278][ T32] r9:83018205 r8:849cd400 r7:00000000 r6:83018200 r5:00001000 r4:7f0e3000 [ 1333.458336][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.458383][ T32] r5:00001000 r4:eadf3000 [ 1333.458405][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.458447][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.458541][ T32] r5:8510078c r4:85100400 [ 1333.458578][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.458630][ T32] r7:ddde2d80 r6:83018200 r5:8510078c r4:852bda80 [ 1333.458821][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.458994][ T32] r10:61c88647 r9:849cd400 r8:852bdaac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.459099][ T32] r4:852bda80 [ 1333.459126][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.459178][ T32] r10:00000000 r9:852bda80 r8:80287e08 r7:eadfde60 r6:852cc400 r5:849cd400 [ 1333.459203][ T32] r4:00000001 [ 1333.459224][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.459350][ T32] Exception stack(0xead65fb0 to 0xead65ff8) [ 1333.487618][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.487682][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.487714][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.487911][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.487945][ T32] r4:852cd3c0 [ 1333.488423][ T32] INFO: task kworker/1:479:4303 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.488467][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.488632][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.488765][ T32] Call trace: [ 1333.488822][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.488891][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.488947][ T32] r4:00000000 [ 1333.489051][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.489102][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.489146][ T32] dd20: cd949000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.489183][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.489242][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.489273][ T32] r5:800d0013 r4:80239bb0 ** 1 printk messages dropped ** [ 1333.489456][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1333.493520][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 11 printk messages dropped ** [ 1333.494642][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1333.494905][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1333.495436][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1333.496209][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 12 printk messages dropped ** [ 1333.497377][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1333.497607][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1333.498056][ T32] Exception stack(0xeae11fb0 to 0xeae11ff8) ** 6 printk messages dropped ** [ 1333.498780][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1333.522220][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1333.522668][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 7 printk messages dropped ** [ 1333.522992][ T32] r5:84a2438c r4:84a24000 ** 4 printk messages dropped ** [ 1333.523169][ T32] r4:84ab5800 ** 5 printk messages dropped ** [ 1333.523484][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1333.523747][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1333.524447][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1333.524784][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85373400 ** 6 printk messages dropped ** [ 1333.525156][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1333.525412][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.525463][ T32] r10:61c88647 r9:85288000 r8:852cc52c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.525487][ T32] r4:852cc500 [ 1333.525526][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.525586][ T32] r10:00000000 r9:852cc500 r8:80287e08 r7:eaa0de60 r6:852cc580 r5:85288000 [ 1333.525614][ T32] r4:00000001 [ 1333.525732][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.525776][ T32] Exception stack(0xeae15fb0 to 0xeae15ff8) [ 1333.525836][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.525874][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.525905][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.526018][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.526117][ T32] r4:852c79c0 [ 1333.526600][ T32] INFO: task kworker/0:114:4307 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.526645][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.526926][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.526985][ T32] Call trace: [ 1333.527145][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.527207][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.527236][ T32] r4:00000000 [ 1333.527258][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.527301][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.527477][ T32] dd20: cdbe5000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.527551][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.527586][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.527739][ T32] r5:800d0013 r4:80239bb0 [ 1333.527767][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.527813][ T32] r4:82ac21e4 [ 1333.527910][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.527988][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.528016][ T32] r4:e044ddc0 [ 1333.528039][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.528087][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.528113][ T32] r4:00000000 [ 1333.528136][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.528186][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.528222][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.528268][ T32] r5:00001000 r4:dfe3d000 [ 1333.528290][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.528340][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.528419][ T32] r5:84a2438c r4:84a24000 [ 1333.528447][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.528527][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.528576][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.528673][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.528766][ T32] r4:84ab5800 [ 1333.528817][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.528873][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.528927][ T32] r4:00000001 [ 1333.528953][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.528994][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.529025][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.529057][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.529085][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.529119][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.529204][ T32] r4:84ab0640 [ 1333.529261][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.529454][ T32] INFO: task kworker/1:481:4309 blocked for more than 459 seconds. [ 1333.555463][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 1 printk messages dropped ** [ 1333.555577][ T32] task:kworker/1:481 state:D stack:0 pid:4309 tgid:4309 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1333.556619][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 2 printk messages dropped ** [ 1333.556865][ T32] r4:00000000 [ 1333.557003][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.557156][ T32] r9:83018205 r8:85288c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0f1000 [ 1333.557270][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.557328][ T32] r5:00001000 r4:eae23000 [ 1333.557353][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.557519][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.557577][ T32] r5:85238b8c r4:85238800 [ 1333.557602][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.557664][ T32] r7:ddde2d80 r6:83018200 r5:85238b8c r4:852bdb80 [ 1333.557692][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.557866][ T32] r10:61c88647 r9:85288c00 r8:852bdbac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.557897][ T32] r4:852bdb80 [ 1333.557921][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.558042][ T32] r10:00000000 r9:852bdb80 r8:80287e08 r7:eadfde60 r6:852cc600 r5:85288c00 [ 1333.558073][ T32] r4:00000001 [ 1333.558328][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.558396][ T32] Exception stack(0xeae21fb0 to 0xeae21ff8) [ 1333.559091][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1333.559129][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.559161][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.559294][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.559417][ T32] r4:852cd780 [ 1333.570572][ T32] INFO: task kworker/1:481:4309 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 4 printk messages dropped ** [ 1333.571171][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 6 printk messages dropped ** [ 1333.571592][ T32] r5:800d0013 r4:80239bb0 ** 4 printk messages dropped ** [ 1333.571946][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1333.572346][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1333.573076][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1333.573394][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1333.573720][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1333.574630][ T32] r10:8291a684 r9:eae2dd84 r8:00000002 r7:60000113 r6:eae2dd8c r5:85289800 ** 6 printk messages dropped ** [ 1333.575212][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1333.575441][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1333.576063][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.576196][ T32] r5:85238f8c r4:85238c00 ** 1 printk messages dropped ** [ 1333.576348][ T32] r7:ddde2d80 r6:83018200 r5:85238f8c r4:852bdc00 ** 1 printk messages dropped ** [ 1333.576462][ T32] r10:61c88647 r9:85289800 r8:852bdc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.576569][ T32] r4:852bdc00 [ 1333.576619][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.576684][ T32] r10:00000000 r9:852bdc00 r8:80287e08 r7:eae21e60 r6:852cc680 r5:85289800 [ 1333.576711][ T32] r4:00000001 [ 1333.576732][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.576888][ T32] Exception stack(0xeae2dfb0 to 0xeae2dff8) [ 1333.576927][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.577048][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.577083][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.577116][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.577224][ T32] r4:852cd6c0 [ 1333.577558][ T32] INFO: task kworker/1:482:4311 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.577601][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.577850][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.577903][ T32] Call trace: [ 1333.577960][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.578137][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.578189][ T32] r4:00000000 [ 1333.578338][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.578403][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.578614][ T32] dd20: cdde7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.578657][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.578717][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.578808][ T32] r5:800d0013 r4:80239bb0 [ 1333.578889][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.578993][ T32] r4:82ac21e4 [ 1333.579167][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 7 printk messages dropped ** [ 1333.614311][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1333.615004][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1333.615319][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 10 printk messages dropped ** [ 1333.616387][ T32] task:kworker/1:483 state:D stack:0 pid:4313 tgid:4313 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1333.617608][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eadcde08 ** 9 printk messages dropped ** [ 1333.618231][ T32] r5:00001000 r4:eae4b000 ** 1 printk messages dropped ** [ 1333.618491][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1333.619097][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1333.633010][ T32] Exception stack(0xeadcdfb0 to 0xeadcdff8) ** 7 printk messages dropped ** [ 1333.633945][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1333.634283][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.634387][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.634425][ T32] dd20: ce1b5000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.634457][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.634487][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.634514][ T32] r5:800d0013 r4:80239bb0 [ 1333.634600][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.634656][ T32] r4:82ac21e4 [ 1333.634680][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.634810][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.634922][ T32] r4:e044ddc0 [ 1333.634949][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.634996][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.635118][ T32] r4:00000000 [ 1333.635228][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.635463][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.635583][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.635645][ T32] r5:00001000 r4:dfe3d000 [ 1333.635675][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.635722][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.635770][ T32] r5:84a2438c r4:84a24000 [ 1333.635793][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.635845][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.635870][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.636022][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.636053][ T32] r4:84ab5800 [ 1333.636075][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.636127][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.636237][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1333.636456][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1333.636898][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.636928][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.636951][ T32] task:kworker/1:484 state:D stack:0 pid:4315 tgid:4315 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.637002][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.637315][ T32] Call trace: [ 1333.637364][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.637425][ T32] r10:8291a684 r9:eae3dd84 r8:00000002 r7:60000113 r6:eae3dd8c r5:851fec00 [ 1333.637451][ T32] r4:851fec00 [ 1333.637474][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.637619][ T32] r5:851fec00 r4:8291a680 [ 1333.637646][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.637858][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.637912][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae3de08 [ 1333.637937][ T32] r4:00000000 [ 1333.637962][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.638034][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.638077][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.638397][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852cdc80 [ 1333.638430][ T32] r4:00000000 [ 1333.638453][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.638504][ T32] r9:83018205 r8:851fec00 r7:00000000 r6:83018200 r5:00001000 r4:7f0f5000 [ 1333.638588][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.638641][ T32] r5:00001000 r4:eae3f000 [ 1333.638664][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.638706][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.638752][ T32] r5:8523938c r4:85239000 [ 1333.638776][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1333.638851][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.638968][ T32] r10:61c88647 r9:851fec00 r8:852bddac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.639061][ T32] r4:852bdd80 [ 1333.639109][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.639165][ T32] r10:00000000 r9:852bdd80 r8:80287e08 r7:eadcde60 r6:852bde00 r5:851fec00 [ 1333.639190][ T32] r4:00000001 [ 1333.639212][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.639250][ T32] Exception stack(0xeae3dfb0 to 0xeae3dff8) [ 1333.639281][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.639314][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.639458][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.659213][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.659288][ T32] r4:852cda80 [ 1333.660606][ T32] INFO: task kworker/1:484:4315 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.660697][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.660783][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.660869][ T32] Call trace: [ 1333.660911][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.660977][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.661004][ T32] r4:00000000 [ 1333.661026][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.661071][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.661103][ T32] dd20: ce3a7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.661135][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.661208][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.661241][ T32] r5:800d0013 r4:80239bb0 [ 1333.661264][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.661387][ T32] r4:82ac21e4 [ 1333.661446][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.661499][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.661525][ T32] r4:e044ddc0 [ 1333.661547][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.661593][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.661618][ T32] r4:00000000 [ 1333.661644][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.661746][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.661807][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.661874][ T32] r5:00001000 r4:dfe3d000 ** 2 printk messages dropped ** [ 1333.662055][ T32] r5:84a2438c r4:84a24000 ** 4 printk messages dropped ** [ 1333.662411][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1333.662549][ T32] r4:00000001 [ 1333.662602][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.662654][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.662684][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.662715][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.662743][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.662776][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.662800][ T32] r4:84ab0640 [ 1333.662826][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.662859][ T32] INFO: task kworker/1:485:4317 blocked for more than 460 seconds. [ 1333.662958][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.663054][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.663084][ T32] task:kworker/1:485 state:D stack:0 pid:4317 tgid:4317 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.663135][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.663251][ T32] Call trace: [ 1333.663386][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.663460][ T32] r10:8291a684 r9:eae49d84 r8:00000002 r7:60000113 r6:eae49d8c r5:851f3c00 [ 1333.663487][ T32] r4:851f3c00 [ 1333.663511][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.663558][ T32] r5:851f3c00 r4:8291a680 [ 1333.663648][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.663892][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1333.664047][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1333.664571][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.664620][ T32] r5:85239b8c r4:85239800 [ 1333.664660][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.664719][ T32] r7:ddde2d80 r6:83018200 r5:85239b8c r4:852bde80 [ 1333.664742][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.664792][ T32] r10:61c88647 r9:851f3c00 r8:852bdeac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.664815][ T32] r4:852bde80 ** 1 printk messages dropped ** [ 1333.664984][ T32] r10:00000000 r9:852bde80 r8:80287e08 r7:eadcde60 r6:852bdf00 r5:851f3c00 ** 6 printk messages dropped ** [ 1333.665338][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 2 printk messages dropped ** [ 1333.665776][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.665984][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.666070][ T32] Call trace: [ 1333.666213][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.666321][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.666372][ T32] r4:00000000 [ 1333.666404][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.666449][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.666511][ T32] dd20: ce3a7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.666610][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.666642][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.666670][ T32] r5:800d0013 r4:80239bb0 [ 1333.666792][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.666843][ T32] r4:82ac21e4 [ 1333.666866][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.667043][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.667235][ T32] r4:e044ddc0 [ 1333.667262][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.667341][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.667372][ T32] r4:00000000 [ 1333.667404][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.667455][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.667511][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.667688][ T32] r5:00001000 r4:dfe3d000 [ 1333.667718][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.667894][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.667946][ T32] r5:84a2438c r4:84a24000 [ 1333.667969][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.668020][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.668078][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.668185][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.668236][ T32] r4:84ab5800 [ 1333.668285][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.668351][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.668376][ T32] r4:00000001 [ 1333.668473][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.668556][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.668590][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.668623][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.668658][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.668691][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.668715][ T32] r4:84ab0640 [ 1333.668738][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.668768][ T32] INFO: task kworker/1:486:4319 blocked for more than 460 seconds. [ 1333.668798][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.668841][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.668869][ T32] task:kworker/1:486 state:D stack:0 pid:4319 tgid:4319 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.668922][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.668967][ T32] Call trace: [ 1333.669001][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.669054][ T32] r10:8291a684 r9:eae55d84 r8:00000002 r7:60000113 r6:eae55d8c r5:85200000 [ 1333.669111][ T32] r4:85200000 [ 1333.669139][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.669186][ T32] r5:85200000 r4:8291a680 [ 1333.669208][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.669347][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.690485][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae55e08 [ 1333.690552][ T32] r4:00000000 [ 1333.690581][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.690650][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.690696][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.690743][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852da040 [ 1333.690767][ T32] r4:00000000 [ 1333.690788][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.690841][ T32] r9:83018205 r8:85200000 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 [ 1333.690910][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.690970][ T32] r5:00001000 r4:dfa1b000 [ 1333.690993][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.691037][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.691132][ T32] r5:8523a38c r4:8523a000 [ 1333.691162][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.691219][ T32] r7:ddde2d80 r6:83018200 r5:8523a38c r4:852bdf80 [ 1333.691311][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.691370][ T32] r10:61c88647 r9:85200000 r8:852bdfac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.691403][ T32] r4:852bdf80 [ 1333.691493][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.691567][ T32] r10:00000000 r9:852bdf80 r8:80287e08 r7:eae49e60 r6:852d5000 r5:85200000 [ 1333.691598][ T32] r4:00000001 [ 1333.691620][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.691663][ T32] Exception stack(0xeae55fb0 to 0xeae55ff8) [ 1333.691697][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.691729][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.691759][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.691907][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.691960][ T32] r4:852cde80 [ 1333.692458][ T32] INFO: task kworker/1:486:4319 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.692536][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.692651][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.692709][ T32] Call trace: [ 1333.692754][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.692846][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.692883][ T32] r4:00000000 [ 1333.692907][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.692981][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.693020][ T32] dd20: ce6d8000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.693086][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.693120][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.693148][ T32] r5:800d0013 r4:80239bb0 [ 1333.693214][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.693268][ T32] r4:82ac21e4 [ 1333.693291][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.693337][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.693395][ T32] r4:e044ddc0 [ 1333.693445][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.693521][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.693552][ T32] r4:00000000 [ 1333.693575][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.693757][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.693786][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.693834][ T32] r5:00001000 r4:dfe3d000 [ 1333.693859][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.693903][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.693948][ T32] r5:84a2438c r4:84a24000 [ 1333.693970][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.694020][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.694043][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.694093][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.694139][ T32] r4:84ab5800 [ 1333.694165][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.694218][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.694259][ T32] r4:00000001 [ 1333.694293][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.694332][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.694362][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.694399][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.694429][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.694476][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.694506][ T32] r4:84ab0640 [ 1333.694564][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.694653][ T32] INFO: task kworker/1:487:4320 blocked for more than 460 seconds. [ 1333.694890][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.694924][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.694950][ T32] task:kworker/1:487 state:D stack:0 pid:4320 tgid:4320 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.695001][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.695084][ T32] Call trace: [ 1333.695201][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.695301][ T32] r10:8291a684 r9:ead39d84 r8:00000002 r7:60000113 r6:ead39d8c r5:85200c00 [ 1333.695332][ T32] r4:85200c00 [ 1333.695390][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.695464][ T32] r5:85200c00 r4:8291a680 [ 1333.695501][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.695544][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.695622][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead39e08 ** 2 printk messages dropped ** [ 1333.695923][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 3 printk messages dropped ** [ 1333.696058][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1333.696310][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.696372][ T32] r5:85239f8c r4:85239c00 [ 1333.696402][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 4 printk messages dropped ** [ 1333.696650][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 14 printk messages dropped ** [ 1333.697664][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1333.698108][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1333.698489][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1333.698825][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1333.733426][ T32] r4:00000001 ** 9 printk messages dropped ** [ 1333.733994][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 1 printk messages dropped ** [ 1333.734157][ T32] task:kworker/1:488 state:D stack:0 pid:4323 tgid:4323 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.734232][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.734322][ T32] Call trace: [ 1333.734360][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.734426][ T32] r10:8291a684 r9:eac71d84 r8:00000002 r7:60000113 r6:eac71d8c r5:85201800 [ 1333.734453][ T32] r4:85201800 [ 1333.734475][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.734521][ T32] r5:85201800 r4:8291a680 [ 1333.734673][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.734869][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.734985][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac71e08 [ 1333.735016][ T32] r4:00000000 [ 1333.735058][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.735134][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.735180][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.735333][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852da280 [ 1333.735386][ T32] r4:00000000 [ 1333.735449][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.735508][ T32] r9:83018205 r8:85201800 r7:00000000 r6:83018200 r5:00001000 r4:7f02d000 [ 1333.735630][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.735691][ T32] r5:00001000 r4:dfa85000 [ 1333.735715][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.735758][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.735803][ T32] r5:8523a78c r4:8523a400 [ 1333.735825][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.736335][ T32] r7:ddde2d80 r6:83018200 r5:8523a78c r4:852d5180 [ 1333.736365][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.736473][ T32] r10:61c88647 r9:85201800 r8:852d51ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1333.736664][ T32] r4:00000001 ** 14 printk messages dropped ** [ 1333.738559][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 16 printk messages dropped ** [ 1333.760936][ T32] r5:00001000 r4:dfe3d000 ** 9 printk messages dropped ** [ 1333.761825][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 17 printk messages dropped ** [ 1333.763548][ T32] r4:85202400 ** 8 printk messages dropped ** [ 1333.764167][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1333.764622][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1333.765137][ T32] r10:00000000 r9:852d5280 r8:80287e08 r7:eac71e60 r6:852d5300 r5:85202400 ** 7 printk messages dropped ** [ 1333.765507][ T32] r4:852da100 ** 3 printk messages dropped ** [ 1333.766281][ T32] Call trace: ** 7 printk messages dropped ** [ 1333.766891][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 11 printk messages dropped ** [ 1333.767549][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1333.767989][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.768167][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.768225][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.768265][ T32] r4:84ab5800 [ 1333.768291][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.768343][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.768369][ T32] r4:00000001 [ 1333.768405][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.768478][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.768563][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.768602][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.768635][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.768801][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.768839][ T32] r4:84ab0640 [ 1333.768863][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.768894][ T32] INFO: task kworker/1:490:4327 blocked for more than 460 seconds. [ 1333.768972][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.769003][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.769028][ T32] task:kworker/1:490 state:D stack:0 pid:4327 tgid:4327 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.769082][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.769129][ T32] Call trace: [ 1333.769162][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.769374][ T32] r10:8291a684 r9:df931d84 r8:00000002 r7:60000013 r6:df931d8c r5:85203000 [ 1333.790076][ T32] r4:85203000 [ 1333.790152][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.790270][ T32] r5:85203000 r4:8291a680 [ 1333.790300][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.790396][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.790590][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df931e08 [ 1333.790668][ T32] r4:00000000 [ 1333.790697][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.790740][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.790786][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.790831][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852da680 [ 1333.790856][ T32] r4:00000000 [ 1333.790878][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.790929][ T32] r9:83018205 r8:85203000 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 [ 1333.791098][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.791157][ T32] r5:00001000 r4:dfe1f000 [ 1333.791180][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.791225][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.791271][ T32] r5:8523af8c r4:8523ac00 [ 1333.791293][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.791366][ T32] r7:ddde2d80 r6:83018200 r5:8523af8c r4:852d5380 [ 1333.791404][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.791458][ T32] r10:61c88647 r9:85203000 r8:852d53ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.791482][ T32] r4:852d5380 [ 1333.791503][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.791577][ T32] r10:00000000 r9:852d5380 r8:80287e08 r7:eac85e60 r6:852d5400 r5:85203000 [ 1333.791606][ T32] r4:00000001 [ 1333.791630][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.791677][ T32] Exception stack(0xdf931fb0 to 0xdf931ff8) [ 1333.791756][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1333.791798][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.791827][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.791858][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.791882][ T32] r4:852da400 [ 1333.792362][ T32] INFO: task kworker/1:490:4327 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.792419][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1333.793214][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1333.793422][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1333.793957][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1333.794198][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1333.794403][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1333.794856][ T32] r10:8291a684 r9:eac79d84 r8:00000002 r7:60000113 r6:eac79d8c r5:85203c00 ** 8 printk messages dropped ** [ 1333.795153][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1333.795423][ T32] r5:00001000 r4:e046f000 ** 1 printk messages dropped ** [ 1333.795537][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1333.795759][ T32] r10:61c88647 r9:85203c00 r8:852d54ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1333.796145][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1333.796853][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1333.797022][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1333.797253][ T32] r4:e044ddc0 ** 3 printk messages dropped ** [ 1333.797397][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.797479][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.797518][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.797597][ T32] r5:00001000 r4:dfe3d000 [ 1333.797654][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.797713][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.797761][ T32] r5:84a2438c r4:84a24000 [ 1333.797783][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.797834][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.797858][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.797909][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.797934][ T32] r4:84ab5800 [ 1333.797955][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.798038][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.798073][ T32] r4:00000001 [ 1333.798095][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.798136][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.798165][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.798196][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.798225][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.798263][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.798353][ T32] r4:84ab0640 [ 1333.798401][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.798437][ T32] INFO: task kworker/1:492:4331 blocked for more than 460 seconds. [ 1333.798467][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.798494][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.798517][ T32] task:kworker/1:492 state:D stack:0 pid:4331 tgid:4331 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.798565][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.798610][ T32] Call trace: [ 1333.798648][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.798700][ T32] r10:8291a684 r9:eacb1d84 r8:00000002 r7:60000013 r6:eacb1d8c r5:85204800 [ 1333.798726][ T32] r4:85204800 [ 1333.798749][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.798795][ T32] r5:85204800 r4:8291a680 [ 1333.798844][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.798904][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.798953][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacb1e08 [ 1333.798980][ T32] r4:00000000 [ 1333.799001][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.799038][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.799074][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.799118][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852da800 [ 1333.799142][ T32] r4:00000000 [ 1333.799164][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1333.799349][ T32] r5:00001000 r4:dfe4f000 ** 1 printk messages dropped ** [ 1333.824727][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1333.824893][ T32] r7:ddde2d80 r6:83018200 r5:8523b38c r4:852d5580 ** 5 printk messages dropped ** [ 1333.825150][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1333.825395][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1333.826487][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 11 printk messages dropped ** [ 1333.827005][ T32] r4:00000000 ** 10 printk messages dropped ** [ 1333.827518][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 13 printk messages dropped ** [ 1333.828176][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 7 printk messages dropped ** [ 1333.828643][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 9 printk messages dropped ** [ 1333.829107][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1333.844615][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 12 printk messages dropped ** [ 1333.845243][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1333.846214][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1333.846497][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1333.846777][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 3 printk messages dropped ** [ 1333.846896][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.846940][ T32] r5:00001000 r4:dfe3d000 [ 1333.846975][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.847037][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.847135][ T32] r5:84a2438c r4:84a24000 [ 1333.847177][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.847253][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.847293][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.847348][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.847373][ T32] r4:84ab5800 [ 1333.847399][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.847467][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.847506][ T32] r4:00000001 [ 1333.847530][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.847602][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.847687][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.847726][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.847755][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.847787][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.847811][ T32] r4:84ab0640 [ 1333.847857][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.847937][ T32] INFO: task kworker/1:494:4335 blocked for more than 460 seconds. [ 1333.848001][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.848035][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.848073][ T32] task:kworker/1:494 state:D stack:0 pid:4335 tgid:4335 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.848159][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.848220][ T32] Call trace: [ 1333.848277][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.848339][ T32] r10:8291a684 r9:eacbdd84 r8:00000002 r7:60000113 r6:eacbdd8c r5:85206c00 [ 1333.848394][ T32] r4:85206c00 [ 1333.848423][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1333.848532][ T32] r5:85206c00 r4:8291a680 [ 1333.848583][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.848636][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.848689][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacbde08 [ 1333.848734][ T32] r4:00000000 [ 1333.848759][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1333.848821][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1333.848864][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.848911][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852daa80 [ 1333.848935][ T32] r4:00000000 [ 1333.848955][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.849003][ T32] r9:83018205 r8:85206c00 r7:00000000 r6:83018200 r5:00001000 r4:7f037000 [ 1333.849026][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.849070][ T32] r5:00001000 r4:dffcd000 [ 1333.849091][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.849155][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.849241][ T32] r5:8523bb8c r4:8523b800 [ 1333.849267][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.867303][ T32] r7:ddde2d80 r6:83018200 r5:8523bb8c r4:852d5780 [ 1333.867426][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.867515][ T32] r10:61c88647 r9:85206c00 r8:852d57ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.867541][ T32] r4:852d5780 [ 1333.867594][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.867685][ T32] r10:00000000 r9:852d5780 r8:80287e08 r7:eac79e60 r6:852d5800 r5:85206c00 [ 1333.867715][ T32] r4:00000001 [ 1333.867738][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.867781][ T32] Exception stack(0xeacbdfb0 to 0xeacbdff8) [ 1333.867814][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.867846][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.867874][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.867930][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1333.868971][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1333.869328][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1333.870348][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1333.871377][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 9 printk messages dropped ** [ 1333.871917][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1333.872718][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1333.873038][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1333.873426][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.873486][ T32] r5:8533038c r4:85330000 [ 1333.873678][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.873746][ T32] r7:ddde2d80 r6:83018200 r5:8533038c r4:852d5880 [ 1333.873771][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.873826][ T32] r10:61c88647 r9:85206000 r8:852d58ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.873924][ T32] r4:852d5880 [ 1333.873950][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.874001][ T32] r10:00000000 r9:852d5880 r8:80287e08 r7:eac79e60 r6:852d5900 r5:85206000 [ 1333.874027][ T32] r4:00000001 [ 1333.874093][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.874137][ T32] Exception stack(0xeae61fb0 to 0xeae61ff8) [ 1333.874346][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1333.874442][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.874485][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.874519][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.874543][ T32] r4:852dac40 [ 1333.875026][ T32] INFO: task kworker/1:495:4338 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.875069][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.875141][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.875270][ T32] Call trace: [ 1333.875403][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.875470][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.875497][ T32] r4:00000000 [ 1333.875521][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.875571][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.875620][ T32] dd20: cf877000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.875657][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.875686][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.875717][ T32] r5:800d0013 r4:80239bb0 [ 1333.875764][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.875856][ T32] r4:82ac21e4 [ 1333.875895][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.875950][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.875976][ T32] r4:e044ddc0 [ 1333.876003][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.876088][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1333.876485][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 11 printk messages dropped ** [ 1333.877364][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 15 printk messages dropped ** [ 1333.878038][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae69e08 ** 11 printk messages dropped ** [ 1333.878555][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1333.878854][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 11 printk messages dropped ** [ 1333.906972][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.907072][ T32] Call trace: [ 1333.907111][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.907179][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.907235][ T32] r4:00000000 [ 1333.907264][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.907312][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.907413][ T32] dd20: cfadd000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.907452][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.907481][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.907510][ T32] r5:800d0013 r4:80239bb0 [ 1333.907534][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.907583][ T32] r4:82ac21e4 [ 1333.907860][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.907956][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1333.907992][ T32] r4:e044ddc0 [ 1333.908030][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1333.908085][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1333.908141][ T32] r4:00000000 [ 1333.908169][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.908224][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.908278][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.908341][ T32] r5:00001000 r4:dfe3d000 [ 1333.908376][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.908423][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.908473][ T32] r5:84a2438c r4:84a24000 [ 1333.908549][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.908684][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.908775][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.908873][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.909090][ T32] r4:84ab5800 [ 1333.909402][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.923287][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.923361][ T32] r4:00000001 [ 1333.923424][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.923503][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1333.923539][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.923571][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.923665][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.923797][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.923837][ T32] r4:84ab0640 [ 1333.923868][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.923908][ T32] INFO: task kworker/1:497:4342 blocked for more than 460 seconds. [ 1333.924028][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1333.924061][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.924150][ T32] task:kworker/1:497 state:D stack:0 pid:4342 tgid:4342 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.924225][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.924281][ T32] Call trace: [ 1333.924541][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1333.924653][ T32] r10:8291a684 r9:eae71d84 r8:00000002 r7:60000113 r6:eae71d8c r5:8528d400 [ 1333.924688][ T32] r4:8528d400 [ 1333.924713][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 6 printk messages dropped ** [ 1333.925352][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1333.925898][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.925951][ T32] r5:8533078c r4:85330400 [ 1333.926000][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1333.926315][ T32] r4:852d5a00 ** 4 printk messages dropped ** [ 1333.926523][ T32] Exception stack(0xeae71fb0 to 0xeae71ff8) ** 6 printk messages dropped ** [ 1333.927347][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 21 printk messages dropped ** [ 1333.928306][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 14 printk messages dropped ** [ 1333.929404][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1333.950619][ T32] task:kworker/1:498 state:D stack:0 pid:4343 tgid:4343 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1333.951323][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae75e08 ** 5 printk messages dropped ** [ 1333.951706][ T32] r4:00000000 [ 1333.951735][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.951792][ T32] r9:83018205 r8:8528a400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 [ 1333.951817][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.951864][ T32] r5:00001000 r4:e05cd000 [ 1333.951886][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.951986][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.952042][ T32] r5:85330b8c r4:85330800 [ 1333.952094][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.952193][ T32] r7:ddde2d80 r6:83018200 r5:85330b8c r4:852d5a80 [ 1333.952220][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.952274][ T32] r10:61c88647 r9:8528a400 r8:852d5aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.952298][ T32] r4:852d5a80 [ 1333.952319][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.952395][ T32] r10:00000000 r9:852d5a80 r8:80287e08 r7:eae69e60 r6:852cc800 r5:8528a400 [ 1333.952456][ T32] r4:00000001 [ 1333.952481][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.952576][ T32] Exception stack(0xeae75fb0 to 0xeae75ff8) [ 1333.952634][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.952764][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.952944][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.953000][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1333.953094][ T32] r4:852dae80 [ 1333.953723][ T32] INFO: task kworker/1:498:4343 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1333.953906][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.954137][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.954217][ T32] Call trace: [ 1333.954349][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1333.954406][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1333.954514][ T32] r4:00000000 [ 1333.954695][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.954745][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1333.954873][ T32] dd20: cffb7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1333.954975][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1333.955009][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1333.955147][ T32] r5:800d0013 r4:80239bb0 [ 1333.955174][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.955223][ T32] r4:82ac21e4 [ 1333.955246][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 5 printk messages dropped ** [ 1333.955702][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1333.955753][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1333.955778][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1333.955856][ T32] r5:00001000 r4:dfe3d000 [ 1333.955883][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1333.955929][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.955974][ T32] r5:84a2438c r4:84a24000 [ 1333.956040][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1333.956251][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1333.956314][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1333.956372][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.956398][ T32] r4:84ab5800 [ 1333.956536][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1333.956598][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1333.956663][ T32] r4:00000001 [ 1333.956692][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1333.956909][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1333.957464][ T32] Call trace: ** 5 printk messages dropped ** [ 1333.957884][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1333.958327][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1333.958636][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.958682][ T32] r5:8533338c r4:85333000 [ 1333.958706][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1333.959163][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1333.991248][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1333.993319][ T32] Call trace: ** 7 printk messages dropped ** [ 1333.994363][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 12 printk messages dropped ** [ 1333.996100][ T32] r5:00001000 r4:dfe3d000 ** 8 printk messages dropped ** [ 1333.998194][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1333.999280][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1334.021395][ T32] task:kworker/1:500 state:D stack:0 pid:4347 tgid:4347 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1334.022800][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1334.023218][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852ea300 ** 6 printk messages dropped ** [ 1334.024681][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1334.025336][ T32] r10:61c88647 r9:8528e000 r8:852d5bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1334.027000][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 10 printk messages dropped ** [ 1334.029445][ T32] dd20: d04b7000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 14 printk messages dropped ** [ 1334.061477][ T32] r5:00001000 r4:dfe3d000 ** 6 printk messages dropped ** [ 1334.061812][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1334.062147][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1334.062717][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.062763][ T32] task:kworker/1:501 state:D stack:0 pid:4349 tgid:4349 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.062882][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.062956][ T32] Call trace: [ 1334.063007][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.063068][ T32] r10:8291a684 r9:eae8dd84 r8:00000002 r7:60000013 r6:eae8dd8c r5:8528ec00 [ 1334.063122][ T32] r4:8528ec00 [ 1334.063150][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.063201][ T32] r5:8528ec00 r4:8291a680 [ 1334.063223][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.063264][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.063310][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae8de08 [ 1334.063360][ T32] r4:00000000 [ 1334.063386][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.063469][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.063512][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.063557][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852ea480 [ 1334.063588][ T32] r4:00000000 [ 1334.063639][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.063693][ T32] r9:83018205 r8:8528ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.063719][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.063765][ T32] r5:00001000 r4:e46a9000 [ 1334.063788][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.063859][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.063917][ T32] r5:8533178c r4:85331400 [ 1334.063942][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.063992][ T32] r7:ddde2d80 r6:83018200 r5:8533178c r4:852d5c00 [ 1334.064044][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.064100][ T32] r10:61c88647 r9:8528ec00 r8:852d5c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.064147][ T32] r4:852d5c00 [ 1334.064200][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.064253][ T32] r10:00000000 r9:852d5c00 r8:80287e08 r7:eae81e60 r6:852cc980 r5:8528ec00 [ 1334.064278][ T32] r4:00000001 [ 1334.064312][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.064356][ T32] Exception stack(0xeae8dfb0 to 0xeae8dff8) [ 1334.064385][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.064417][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.064448][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.064531][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.064593][ T32] r4:852ea080 [ 1334.065063][ T32] INFO: task kworker/1:501:4349 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.065120][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.065189][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.065241][ T32] Call trace: [ 1334.065274][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.065350][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.065382][ T32] r4:00000000 [ 1334.065410][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.065456][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.065486][ T32] dd20: d072f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.065532][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.065570][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.065601][ T32] r5:800d0013 r4:80239bb0 ** 1 printk messages dropped ** [ 1334.065698][ T32] r4:82ac21e4 ** 8 printk messages dropped ** [ 1334.065974][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1334.066452][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1334.066847][ T32] INFO: task kworker/1:502:4351 blocked for more than 460 seconds. ** 7 printk messages dropped ** [ 1334.067206][ T32] r4:85298c00 ** 3 printk messages dropped ** [ 1334.067416][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1334.068090][ T32] r5:00001000 r4:e46f3000 ** 1 printk messages dropped ** [ 1334.068160][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1334.068390][ T32] r10:61c88647 r9:85298c00 r8:852d5cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1334.068862][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1334.091086][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1334.091489][ T32] dd20: d0add000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 9 printk messages dropped ** [ 1334.092024][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1334.092706][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1334.092960][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1334.093237][ T32] r4:84ab0640 ** 1 printk messages dropped ** [ 1334.093299][ T32] INFO: task kworker/1:503:4353 blocked for more than 460 seconds. [ 1334.093503][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.093536][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.093567][ T32] task:kworker/1:503 state:D stack:0 pid:4353 tgid:4353 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.093721][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.093851][ T32] Call trace: [ 1334.094017][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.094189][ T32] r10:8291a684 r9:eae9dd84 r8:00000002 r7:60000113 r6:eae9dd8c r5:85298000 [ 1334.094291][ T32] r4:85298000 [ 1334.094359][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.094454][ T32] r5:85298000 r4:8291a680 [ 1334.094482][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.094527][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.094582][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae9de08 [ 1334.094608][ T32] r4:00000000 [ 1334.094628][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.094667][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.094704][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.094750][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852ea700 [ 1334.094813][ T32] r4:00000000 [ 1334.094840][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.094913][ T32] r9:83018205 r8:85298000 r7:00000000 r6:83018200 r5:00001000 r4:7f04b000 [ 1334.095023][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.095134][ T32] r5:00001000 r4:e8721000 [ 1334.095333][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.095540][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.095604][ T32] r5:85331f8c r4:85331c00 [ 1334.095756][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.095816][ T32] r7:ddde2d80 r6:83018200 r5:85331f8c r4:852d5d00 [ 1334.095857][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.095973][ T32] r10:61c88647 r9:85298000 r8:852d5d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.096003][ T32] r4:852d5d00 [ 1334.096030][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.096100][ T32] r10:00000000 r9:852d5d00 r8:80287e08 r7:eae81e60 r6:852cca80 r5:85298000 [ 1334.096131][ T32] r4:00000001 [ 1334.096201][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.096245][ T32] Exception stack(0xeae9dfb0 to 0xeae9dff8) [ 1334.096352][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.096427][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.096461][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.096494][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.096576][ T32] r4:852ea380 [ 1334.097114][ T32] INFO: task kworker/1:503:4353 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.097156][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1334.097592][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1334.098006][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1334.098229][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 12 printk messages dropped ** [ 1334.098878][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1334.099033][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1334.123639][ T32] INFO: task kworker/1:504:4355 blocked for more than 460 seconds. ** 10 printk messages dropped ** [ 1334.124354][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 13 printk messages dropped ** [ 1334.125123][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 14 printk messages dropped ** [ 1334.125784][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.125838][ T32] r4:852ea500 [ 1334.126322][ T32] INFO: task kworker/1:504:4355 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.126363][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.126430][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.126480][ T32] Call trace: [ 1334.126564][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.126629][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.126656][ T32] r4:00000000 [ 1334.126677][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.126740][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.126781][ T32] dd20: d0e46000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.126817][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.126844][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.126871][ T32] r5:800d0013 r4:80239bb0 [ 1334.126897][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.126943][ T32] r4:82ac21e4 [ 1334.126965][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.127044][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.127074][ T32] r4:e044ddc0 [ 1334.127096][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.127142][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.127193][ T32] r4:00000000 [ 1334.127247][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.127334][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.127425][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.127520][ T32] r5:00001000 r4:dfe3d000 [ 1334.127576][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.127672][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.127798][ T32] r5:84a2438c r4:84a24000 [ 1334.127896][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.127954][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.128017][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.128095][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.128149][ T32] r4:84ab5800 [ 1334.128175][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.128230][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1334.128533][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 5 printk messages dropped ** [ 1334.128870][ T32] task:kworker/1:505 state:D stack:0 pid:4357 tgid:4357 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.128957][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.129005][ T32] Call trace: [ 1334.129093][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.129146][ T32] r10:8291a684 r9:eaeadd84 r8:00000002 r7:60000113 r6:eaeadd8c r5:8529a400 [ 1334.129173][ T32] r4:8529a400 [ 1334.129197][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.129320][ T32] r5:8529a400 r4:8291a680 [ 1334.153831][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.154014][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.154116][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaeade08 [ 1334.154149][ T32] r4:00000000 [ 1334.154172][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.154278][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.154338][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.154415][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852ea940 [ 1334.154472][ T32] r4:00000000 [ 1334.154508][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.154655][ T32] r9:83018205 r8:8529a400 r7:00000000 r6:83018200 r5:00001000 r4:7f04f000 [ 1334.154700][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.154759][ T32] r5:00001000 r4:ea7c5000 [ 1334.154784][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.154829][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.154876][ T32] r5:8533278c r4:85332400 [ 1334.154952][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1334.155169][ T32] r10:61c88647 r9:8529a400 r8:852d5e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1334.155362][ T32] Exception stack(0xeaeadfb0 to 0xeaeadff8) [ 1334.155395][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.155425][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.155453][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.155484][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.155568][ T32] r4:852ea6c0 [ 1334.156043][ T32] INFO: task kworker/1:505:4357 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.156086][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1334.156452][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1334.156804][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1334.157503][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 7 printk messages dropped ** [ 1334.158079][ T32] r5:84a2438c r4:84a24000 ** 5 printk messages dropped ** [ 1334.158418][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1334.158976][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1334.166285][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1334.166826][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaeb9e08 ** 5 printk messages dropped ** [ 1334.167094][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1334.167396][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.167444][ T32] r5:85332b8c r4:85332800 ** 2 printk messages dropped ** [ 1334.167543][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1334.168254][ T32] Exception stack(0xeaeb9fb0 to 0xeaeb9ff8) ** 6 printk messages dropped ** [ 1334.180488][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1334.181268][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1334.181466][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1334.181968][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 7 printk messages dropped ** [ 1334.182364][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 1 printk messages dropped ** [ 1334.182429][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.182486][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.182523][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.182549][ T32] r4:84ab0640 [ 1334.182585][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.182637][ T32] INFO: task kworker/1:507:4361 blocked for more than 460 seconds. [ 1334.182677][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.182705][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.182729][ T32] task:kworker/1:507 state:D stack:0 pid:4361 tgid:4361 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.182790][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.182835][ T32] Call trace: [ 1334.182869][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.182922][ T32] r10:8291a684 r9:eae5dd84 r8:00000002 r7:60000113 r6:eae5dd8c r5:833e3000 [ 1334.182969][ T32] r4:833e3000 [ 1334.182997][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.183060][ T32] r5:833e3000 r4:8291a680 [ 1334.183086][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.183131][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 1 printk messages dropped ** [ 1334.183211][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1334.183551][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1334.183987][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1334.184384][ T32] r10:61c88647 r9:833e3000 r8:852d5f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 14 printk messages dropped ** [ 1334.185667][ T32] Call trace: ** 7 printk messages dropped ** [ 1334.186188][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 14 printk messages dropped ** [ 1334.186977][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 13 printk messages dropped ** [ 1334.187711][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 16 printk messages dropped ** [ 1334.189027][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaebde08 ** 8 printk messages dropped ** [ 1334.220250][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1334.220434][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1334.220943][ T32] r10:61c88647 r9:852f8c00 r8:8336db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1334.221227][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1334.222257][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1334.222661][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1334.223099][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1334.223580][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 1 printk messages dropped ** [ 1334.223657][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.223682][ T32] r4:84ab5800 [ 1334.223758][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.223814][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.223841][ T32] r4:00000001 [ 1334.223862][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.223901][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.223943][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.224000][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.224033][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.224107][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.224136][ T32] r4:84ab0640 [ 1334.224202][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.224240][ T32] INFO: task kworker/1:509:4366 blocked for more than 460 seconds. [ 1334.224284][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.224380][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.224409][ T32] task:kworker/1:509 state:D stack:0 pid:4366 tgid:4366 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.224462][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.224641][ T32] Call trace: [ 1334.224691][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.224747][ T32] r10:8291a684 r9:eae65d84 r8:00000002 r7:60000113 r6:eae65d8c r5:852f8000 [ 1334.224774][ T32] r4:852f8000 [ 1334.224841][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.224895][ T32] r5:852f8000 r4:8291a680 [ 1334.224919][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.224961][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.225008][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae65e08 [ 1334.225052][ T32] r4:00000000 [ 1334.225078][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.225117][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.225155][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.225201][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852eaf00 [ 1334.225226][ T32] r4:00000000 [ 1334.225248][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.225295][ T32] r9:83018205 r8:852f8000 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1334.225319][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.225365][ T32] r5:00001000 r4:eaa03000 [ 1334.225387][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.225428][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.225472][ T32] r5:8533378c r4:85333400 ** 4 printk messages dropped ** [ 1334.225701][ T32] r4:8536e000 ** 9 printk messages dropped ** [ 1334.226127][ T32] r4:852eaa40 ** 9 printk messages dropped ** [ 1334.227010][ T32] dd20: d1904000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 14 printk messages dropped ** [ 1334.227961][ T32] r5:00001000 r4:dfe3d000 ** 10 printk messages dropped ** [ 1334.228555][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1334.228856][ T32] r4:84ab0640 ** 9 printk messages dropped ** [ 1334.243362][ T32] r4:8529c800 ** 7 printk messages dropped ** [ 1334.243764][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1334.245470][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1334.245919][ T32] r10:61c88647 r9:8529c800 r8:8536e12c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1334.246833][ T32] Exception stack(0xeaec1fb0 to 0xeaec1ff8) ** 6 printk messages dropped ** [ 1334.247490][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1334.248755][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1334.274459][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 11 printk messages dropped ** [ 1334.275016][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1334.275334][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1334.275868][ T32] r10:8291a684 r9:eaec5d84 r8:00000002 r7:60000013 r6:eaec5d8c r5:8529d400 ** 5 printk messages dropped ** [ 1334.276210][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaec5e08 [ 1334.276258][ T32] r4:00000000 [ 1334.276283][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.276321][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.276358][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.276402][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8536c0c0 [ 1334.276438][ T32] r4:00000000 [ 1334.276464][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.276584][ T32] r9:83018205 r8:8529d400 r7:00000000 r6:83018200 r5:00001000 r4:7f05f000 [ 1334.276615][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.276690][ T32] r5:00001000 r4:eaa4f000 [ 1334.276722][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.276767][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.276813][ T32] r5:8533438c r4:85334000 [ 1334.276834][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.276884][ T32] r7:ddde2d80 r6:83018200 r5:8533438c r4:8536e180 [ 1334.276908][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.277047][ T32] r10:61c88647 r9:8529d400 r8:8536e1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.277124][ T32] r4:8536e180 [ 1334.277150][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.277200][ T32] r10:00000000 r9:8536e180 r8:80287e08 r7:eaec1e60 r6:852ccd00 r5:8529d400 [ 1334.277239][ T32] r4:00000001 [ 1334.277447][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.277493][ T32] Exception stack(0xeaec5fb0 to 0xeaec5ff8) [ 1334.277523][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1334.277554][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.277619][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.277683][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.277717][ T32] r4:852eaf80 [ 1334.278265][ T32] INFO: task kworker/1:511:4369 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.278343][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.278522][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.278581][ T32] Call trace: [ 1334.278712][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.278776][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.278802][ T32] r4:00000000 [ 1334.278846][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.278894][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.278981][ T32] dd20: d1d23000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.279017][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.279045][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.279100][ T32] r5:800d0013 r4:80239bb0 [ 1334.279170][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.279376][ T32] r4:82ac21e4 [ 1334.297595][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.297738][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.297769][ T32] r4:e044ddc0 [ 1334.297793][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.297842][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.297866][ T32] r4:00000000 [ 1334.297889][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.297941][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.297969][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.298063][ T32] r5:00001000 r4:dfe3d000 [ 1334.298091][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.298138][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.298186][ T32] r5:84a2438c r4:84a24000 [ 1334.298209][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.298277][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.298333][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.298405][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.298435][ T32] r4:84ab5800 [ 1334.298460][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.298512][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.298538][ T32] r4:00000001 [ 1334.298566][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.298611][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.298646][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.298677][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.298707][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.298740][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.298790][ T32] r4:84ab0640 [ 1334.298821][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.298868][ T32] INFO: task kworker/1:512:4373 blocked for more than 460 seconds. [ 1334.298906][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.298935][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.298961][ T32] task:kworker/1:512 state:D stack:0 pid:4373 tgid:4373 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.299027][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.299162][ T32] Call trace: [ 1334.299299][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.304400][ T32] r10:8291a684 r9:eaeb5d84 r8:00000002 r7:60000113 r6:eaeb5d8c r5:8529e000 [ 1334.304444][ T32] r4:8529e000 [ 1334.304469][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.304624][ T32] r5:8529e000 r4:8291a680 [ 1334.304833][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.304894][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.305129][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaeb5e08 [ 1334.305260][ T32] r4:00000000 [ 1334.305294][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.305428][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.305494][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.305549][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8536c340 [ 1334.305578][ T32] r4:00000000 [ 1334.305692][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.305757][ T32] r9:83018205 r8:8529e000 r7:00000000 r6:83018200 r5:00001000 r4:7f061000 [ 1334.305784][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.305844][ T32] r5:00001000 r4:eac2f000 [ 1334.305870][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.306059][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.306117][ T32] r5:8533478c r4:85334400 [ 1334.306155][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.306282][ T32] r7:ddde2d80 r6:83018200 r5:8533478c r4:8536e200 [ 1334.306360][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.306448][ T32] r10:61c88647 r9:8529e000 r8:8536e22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.306583][ T32] r4:8536e200 [ 1334.306616][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.306674][ T32] r10:00000000 r9:8536e200 r8:80287e08 r7:eaec5e60 r6:852ccd80 r5:8529e000 [ 1334.306702][ T32] r4:00000001 [ 1334.306725][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.306768][ T32] Exception stack(0xeaeb5fb0 to 0xeaeb5ff8) [ 1334.306851][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1334.306942][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1334.307637][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.307818][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.307907][ T32] Call trace: [ 1334.308039][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.308181][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.308223][ T32] r4:00000000 [ 1334.308246][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.308292][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.308324][ T32] dd20: d2037000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.308355][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.308396][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.308422][ T32] r5:800d0013 r4:80239bb0 [ 1334.308444][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.308490][ T32] r4:82ac21e4 [ 1334.308578][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.308635][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.308661][ T32] r4:e044ddc0 [ 1334.308682][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.308728][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.308751][ T32] r4:00000000 [ 1334.308773][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.308822][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.308846][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.308904][ T32] r5:00001000 r4:dfe3d000 [ 1334.308931][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.308996][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1334.309130][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1334.326124][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1334.326396][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1334.326688][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1334.327006][ T32] r5:8529ec00 r4:8291a680 ** 5 printk messages dropped ** [ 1334.327250][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1334.327646][ T32] r5:00001000 r4:eaf1b000 ** 1 printk messages dropped ** [ 1334.327771][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.327818][ T32] r5:8510178c r4:85101400 ** 2 printk messages dropped ** [ 1334.327910][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1334.328362][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1334.343138][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1334.343364][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1334.343578][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1334.343866][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1334.344257][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1334.344538][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1334.344902][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1334.345535][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1334.345930][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 14 printk messages dropped ** [ 1334.346631][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 10 printk messages dropped ** [ 1334.347705][ T32] dd20: d26b3000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 4 printk messages dropped ** [ 1334.347979][ T32] r4:82ac21e4 [ 1334.348075][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.348173][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.348207][ T32] r4:e044ddc0 [ 1334.348229][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.348275][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.348300][ T32] r4:00000000 [ 1334.348359][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.348432][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.348476][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.348587][ T32] r5:00001000 r4:dfe3d000 [ 1334.348616][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.348696][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.348755][ T32] r5:84a2438c r4:84a24000 [ 1334.348779][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.348877][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.348906][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.348958][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.349006][ T32] r4:84ab5800 [ 1334.349032][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.349084][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.349111][ T32] r4:00000001 [ 1334.349176][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.349229][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.349330][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.368117][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.368267][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.368316][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.368347][ T32] r4:84ab0640 [ 1334.368384][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.368422][ T32] INFO: task kworker/1:514:4379 blocked for more than 460 seconds. [ 1334.368461][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.368489][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.368565][ T32] task:kworker/1:514 state:D stack:0 pid:4379 tgid:4379 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.368651][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.368746][ T32] Call trace: [ 1334.368786][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.368851][ T32] r10:8291a684 r9:eaeddd84 r8:00000002 r7:60000013 r6:eaeddd8c r5:84ae8c00 [ 1334.368879][ T32] r4:84ae8c00 [ 1334.368941][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.368999][ T32] r5:84ae8c00 r4:8291a680 [ 1334.369025][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.369071][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.369140][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaedde08 [ 1334.369187][ T32] r4:00000000 [ 1334.369215][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.369259][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.372520][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.372681][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8536c580 [ 1334.372716][ T32] r4:00000000 [ 1334.372747][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.372802][ T32] r9:83018205 r8:84ae8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a3000 [ 1334.372826][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.372876][ T32] r5:00001000 r4:eac4b000 [ 1334.372922][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.372978][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.373037][ T32] r5:85334f8c r4:85334c00 [ 1334.373064][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.373118][ T32] r7:ddde2d80 r6:83018200 r5:85334f8c r4:8536e300 [ 1334.373141][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.373193][ T32] r10:61c88647 r9:84ae8c00 r8:8536e32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.373218][ T32] r4:8536e300 [ 1334.373255][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.373320][ T32] r10:00000000 r9:8536e300 r8:80287e08 r7:eaed1e60 r6:852ccf80 r5:84ae8c00 [ 1334.373350][ T32] r4:00000001 [ 1334.373547][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.373595][ T32] Exception stack(0xeaeddfb0 to 0xeaeddff8) [ 1334.373629][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.373660][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.373688][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.373720][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.373744][ T32] r4:8536c380 [ 1334.374212][ T32] INFO: task kworker/1:514:4379 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.374252][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.374361][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.374448][ T32] Call trace: [ 1334.374488][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.374580][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.374611][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1334.374708][ T32] dd20: d2a1f000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 15 printk messages dropped ** [ 1334.375324][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1334.375658][ T32] r4:84ab5800 [ 1334.375679][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.375729][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.375753][ T32] r4:00000001 [ 1334.375774][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.375824][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.375856][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.375910][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.375942][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.375993][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.376022][ T32] r4:84ab0640 [ 1334.376045][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.376077][ T32] INFO: task kworker/1:515:4380 blocked for more than 460 seconds. [ 1334.376115][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.376143][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.376166][ T32] task:kworker/1:515 state:D stack:0 pid:4380 tgid:4380 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.376217][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.376262][ T32] Call trace: [ 1334.376294][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.376357][ T32] r10:8291a684 r9:eaee1d84 r8:00000002 r7:60000113 r6:eaee1d8c r5:84ae9800 [ 1334.376393][ T32] r4:84ae9800 [ 1334.376416][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.376464][ T32] r5:84ae9800 r4:8291a680 [ 1334.376485][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.376587][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.376673][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaee1e08 ** 2 printk messages dropped ** [ 1334.376767][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 7 printk messages dropped ** [ 1334.377089][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.377132][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.377178][ T32] r5:8533538c r4:85335000 [ 1334.377199][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.377249][ T32] r7:ddde2d80 r6:83018200 r5:8533538c r4:8536e380 [ 1334.377282][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.377359][ T32] r10:61c88647 r9:84ae9800 r8:8536e3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.377399][ T32] r4:8536e380 [ 1334.377423][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.377521][ T32] r10:00000000 r9:8536e380 r8:80287e08 r7:eaedde60 r6:85378000 r5:84ae9800 [ 1334.377586][ T32] r4:00000001 [ 1334.377648][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.377714][ T32] Exception stack(0xeaee1fb0 to 0xeaee1ff8) [ 1334.377743][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.377774][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.377805][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1334.378244][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1334.378828][ T32] r5:800d0013 r4:80239bb0 ** 10 printk messages dropped ** [ 1334.379234][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 13 printk messages dropped ** [ 1334.398238][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 12 printk messages dropped ** [ 1334.398819][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 11 printk messages dropped ** [ 1334.406336][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8536c880 ** 6 printk messages dropped ** [ 1334.406665][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1334.407079][ T32] r4:00000001 ** 8 printk messages dropped ** [ 1334.407867][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 17 printk messages dropped ** [ 1334.408908][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 12 printk messages dropped ** [ 1334.423151][ T32] r4:84ab5800 ** 6 printk messages dropped ** [ 1334.423490][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 16 printk messages dropped ** [ 1334.424173][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1334.424442][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.424493][ T32] r9:83018205 r8:84aebc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0ab000 [ 1334.424563][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.424618][ T32] r5:00001000 r4:eacb9000 [ 1334.424642][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.424726][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.424779][ T32] r5:85335f8c r4:85335c00 [ 1334.424802][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.424869][ T32] r7:ddde2d80 r6:83018200 r5:85335f8c r4:8536e480 [ 1334.424896][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.424971][ T32] r10:61c88647 r9:84aebc00 r8:8536e4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.425000][ T32] r4:8536e480 [ 1334.425032][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.425087][ T32] r10:00000000 r9:8536e480 r8:80287e08 r7:eaee9e60 r6:85378100 r5:84aebc00 [ 1334.425123][ T32] r4:00000001 [ 1334.425149][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.425188][ T32] Exception stack(0xeaeedfb0 to 0xeaeedff8) [ 1334.425217][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.425268][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.425301][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.425332][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.425356][ T32] r4:8536c500 [ 1334.425823][ T32] INFO: task kworker/1:517:4383 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.425863][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.425972][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.426024][ T32] Call trace: [ 1334.426103][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.426166][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.426191][ T32] r4:00000000 [ 1334.426211][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.426254][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.426284][ T32] dd20: d33ac000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.426314][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 3 printk messages dropped ** [ 1334.426457][ T32] r4:82ac21e4 ** 9 printk messages dropped ** [ 1334.426935][ T32] r5:00001000 r4:dfe3d000 ** 7 printk messages dropped ** [ 1334.427243][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1334.427413][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 10 printk messages dropped ** [ 1334.427862][ T32] task:kworker/1:518 state:D stack:0 pid:4385 tgid:4385 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1334.428441][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1334.428635][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1334.428835][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1334.429017][ T32] r10:61c88647 r9:852f9800 r8:8536e52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1334.429343][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1334.444947][ T32] Call trace: ** 5 printk messages dropped ** [ 1334.445400][ T32] dd20: d3468000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 9 printk messages dropped ** [ 1334.445833][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 7 printk messages dropped ** [ 1334.446252][ T32] r5:84a2438c r4:84a24000 ** 6 printk messages dropped ** [ 1334.446566][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1334.446856][ T32] r4:84ab0640 ** 7 printk messages dropped ** [ 1334.447367][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 7 printk messages dropped ** [ 1334.447801][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1334.447877][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.447918][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.447963][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8536ce00 [ 1334.448014][ T32] r4:00000000 [ 1334.448073][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.448134][ T32] r9:83018205 r8:852fb000 r7:00000000 r6:83018200 r5:00001000 r4:7f0af000 [ 1334.448158][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.448202][ T32] r5:00001000 r4:eaf03000 [ 1334.448223][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.448275][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.448326][ T32] r5:8533678c r4:85336400 [ 1334.448348][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.448404][ T32] r7:ddde2d80 r6:83018200 r5:8533678c r4:8536e600 [ 1334.448428][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.448479][ T32] r10:61c88647 r9:852fb000 r8:8536e62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.448707][ T32] r4:8536e600 [ 1334.448733][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.448783][ T32] r10:00000000 r9:8536e600 r8:80287e08 r7:eaeede60 r6:8536e680 r5:852fb000 [ 1334.448818][ T32] r4:00000001 [ 1334.448842][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.448881][ T32] Exception stack(0xeaef1fb0 to 0xeaef1ff8) [ 1334.448909][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.448942][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.448970][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.449001][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.449025][ T32] r4:8536c940 [ 1334.462850][ T32] INFO: task kworker/1:519:4388 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.463004][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.463125][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.463202][ T32] Call trace: [ 1334.463277][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.463348][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.463388][ T32] r4:00000000 [ 1334.463438][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.463490][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.463524][ T32] dd20: d3973000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.463556][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.463604][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.463635][ T32] r5:800d0013 r4:80239bb0 [ 1334.463659][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.463728][ T32] r4:82ac21e4 [ 1334.463754][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.463824][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.463852][ T32] r4:e044ddc0 [ 1334.463875][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.463922][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.463968][ T32] r4:00000000 [ 1334.464014][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.464072][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.464119][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.464187][ T32] r5:00001000 r4:dfe3d000 [ 1334.464214][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.464259][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.464356][ T32] r5:84a2438c r4:84a24000 [ 1334.464412][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.464480][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.464525][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.464581][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.464691][ T32] r4:84ab5800 [ 1334.464718][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.464771][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.464819][ T32] r4:00000001 [ 1334.464845][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.464907][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.464945][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.464976][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.465032][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.465076][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.465110][ T32] r4:84ab0640 [ 1334.465135][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 1 printk messages dropped ** [ 1334.465217][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1334.465629][ T32] r5:852fbc00 r4:8291a680 ** 3 printk messages dropped ** [ 1334.465814][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1334.465873][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.465909][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.465953][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8536cc00 [ 1334.465996][ T32] r4:00000000 [ 1334.466022][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.466071][ T32] r9:83018205 r8:852fbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0ad000 [ 1334.466119][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.466190][ T32] r5:00001000 r4:eacd9000 [ 1334.466217][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.466261][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.466306][ T32] r5:8533638c r4:85336000 [ 1334.466347][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.466407][ T32] r7:ddde2d80 r6:83018200 r5:8533638c r4:8536e700 [ 1334.466453][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.466509][ T32] r10:61c88647 r9:852fbc00 r8:8536e72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.466550][ T32] r4:8536e700 [ 1334.466587][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.466687][ T32] r10:00000000 r9:8536e700 r8:80287e08 r7:eaef1e60 r6:8536e780 r5:852fbc00 [ 1334.466754][ T32] r4:00000001 [ 1334.466780][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.466862][ T32] Exception stack(0xeaef9fb0 to 0xeaef9ff8) [ 1334.466897][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.466928][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.466967][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.467023][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.467052][ T32] r4:8536c940 [ 1334.467560][ T32] INFO: task kworker/1:520:4389 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.467649][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.467756][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.467818][ T32] Call trace: [ 1334.467901][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.468006][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.468039][ T32] r4:00000000 [ 1334.468083][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.468133][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.468193][ T32] dd20: d3973000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.468235][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.468277][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.468306][ T32] r5:800d0013 r4:80239bb0 [ 1334.468329][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.468383][ T32] r4:82ac21e4 [ 1334.468407][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.468452][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.468477][ T32] r4:e044ddc0 [ 1334.468517][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.468603][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.468632][ T32] r4:00000000 [ 1334.468655][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.468730][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.468759][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1334.469057][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1334.492994][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1334.493224][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1334.493556][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1334.493822][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1334.494385][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1334.494542][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1334.494705][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1334.495028][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1334.495748][ T32] Call trace: ** 5 printk messages dropped ** [ 1334.496097][ T32] dd20: d3da4000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 9 printk messages dropped ** [ 1334.496555][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1334.496972][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 1 printk messages dropped ** [ 1334.497071][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.497101][ T32] r4:84ab5800 [ 1334.497124][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.497175][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.497199][ T32] r4:00000001 [ 1334.497242][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.497285][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.497314][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.497367][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.497406][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.497438][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.497463][ T32] r4:84ab0640 [ 1334.497485][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.497514][ T32] INFO: task kworker/1:522:4394 blocked for more than 460 seconds. [ 1334.497545][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.497590][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.497645][ T32] task:kworker/1:522 state:D stack:0 pid:4394 tgid:4394 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.497747][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.497796][ T32] Call trace: [ 1334.497850][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.497924][ T32] r10:8291a684 r9:eaf0dd84 r8:00000002 r7:60000013 r6:eaf0dd8c r5:852fd400 [ 1334.497954][ T32] r4:852fd400 [ 1334.497976][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.498024][ T32] r5:852fd400 r4:8291a680 [ 1334.498047][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.498089][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.498150][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf0de08 [ 1334.498210][ T32] r4:00000000 [ 1334.498248][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.498324][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.498368][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.498420][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537b1c0 [ 1334.498446][ T32] r4:00000000 [ 1334.498488][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.498543][ T32] r9:83018205 r8:852fd400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b7000 [ 1334.498568][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.498615][ T32] r5:00001000 r4:eaf37000 [ 1334.498646][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.498690][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.498735][ T32] r5:85336f8c r4:85336c00 [ 1334.498757][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.498808][ T32] r7:ddde2d80 r6:83018200 r5:85336f8c r4:8536e900 [ 1334.498831][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.498904][ T32] r10:61c88647 r9:852fd400 r8:8536e92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.498934][ T32] r4:8536e900 [ 1334.498989][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.499111][ T32] r10:00000000 r9:8536e900 r8:80287e08 r7:eaf01e60 r6:8536e980 r5:852fd400 [ 1334.499141][ T32] r4:00000001 [ 1334.499162][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.499292][ T32] Exception stack(0xeaf0dfb0 to 0xeaf0dff8) [ 1334.509893][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.509965][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.509996][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.510034][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.510083][ T32] r4:8536cd00 [ 1334.510575][ T32] INFO: task kworker/1:522:4394 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.510641][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.510740][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.510817][ T32] Call trace: [ 1334.510876][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.510976][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.511007][ T32] r4:00000000 [ 1334.511030][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.511078][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.511131][ T32] dd20: d3ef7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.511167][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.511217][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.511247][ T32] r5:800d0013 r4:80239bb0 [ 1334.511271][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.511343][ T32] r4:82ac21e4 [ 1334.511388][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.511441][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.511468][ T32] r4:e044ddc0 [ 1334.511501][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.511560][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.511585][ T32] r4:00000000 [ 1334.511606][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.511684][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.511713][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.511764][ T32] r5:00001000 r4:dfe3d000 [ 1334.511787][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.511831][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1334.512357][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 2 printk messages dropped ** [ 1334.512481][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.512550][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.512580][ T32] r4:84ab0640 [ 1334.512632][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.512670][ T32] INFO: task kworker/0:116:4397 blocked for more than 460 seconds. [ 1334.512738][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.512796][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.512825][ T32] task:kworker/0:116 state:D stack:0 pid:4397 tgid:4397 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.512913][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.512996][ T32] Call trace: [ 1334.513058][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.513137][ T32] r10:8291a684 r9:eaf31d84 r8:00000002 r7:60000113 r6:eaf31d8c r5:852fa400 [ 1334.513167][ T32] r4:852fa400 [ 1334.513189][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.513237][ T32] r5:852fa400 r4:8291a680 [ 1334.513259][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.513301][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.513346][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf31e08 [ 1334.513369][ T32] r4:00000000 [ 1334.513402][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.513440][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.513476][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.513519][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a7fc0 [ 1334.513566][ T32] r4:00000000 [ 1334.513593][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.513642][ T32] r9:83018005 r8:852fa400 r7:00000000 r6:83018000 r5:00001000 r4:7f08d000 [ 1334.513666][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.513711][ T32] r5:00001000 r4:eab61000 [ 1334.513732][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.513785][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.513844][ T32] r5:8510378c r4:85103400 [ 1334.513871][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.513922][ T32] r7:dddced80 r6:83018000 r5:8510378c r4:85378180 [ 1334.513945][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.513994][ T32] r10:61c88647 r9:852fa400 r8:853781ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1334.514020][ T32] r4:85378180 [ 1334.514041][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.514089][ T32] r10:00000000 r9:85378180 r8:80287e08 r7:eaa0de60 r6:8536ea00 r5:852fa400 [ 1334.514113][ T32] r4:00000001 [ 1334.514134][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.514171][ T32] Exception stack(0xeaf31fb0 to 0xeaf31ff8) [ 1334.514221][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.514256][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.514285][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.514315][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.514339][ T32] r4:85373e00 [ 1334.514625][ T32] INFO: task kworker/0:116:4397 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.514665][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.514792][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.514931][ T32] Call trace: [ 1334.515031][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.515114][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.515171][ T32] r4:00000000 [ 1334.515196][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.515241][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.515270][ T32] dd20: d3ef7000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.515302][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.515367][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.515404][ T32] r5:800d0013 r4:80239bb0 [ 1334.515428][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.515485][ T32] r4:82ac21e4 [ 1334.515511][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.515559][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.515584][ T32] r4:e044ddc0 [ 1334.515626][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.515677][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.515702][ T32] r4:00000000 [ 1334.515733][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.515795][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.515818][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.515872][ T32] r5:00001000 r4:dfe3d000 [ 1334.515924][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.516001][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.516053][ T32] r5:84a2438c r4:84a24000 [ 1334.516076][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.516127][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.516151][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.516235][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.516264][ T32] r4:84ab5800 [ 1334.516285][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.516335][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.516360][ T32] r4:00000001 [ 1334.516400][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.516443][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.516494][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.516580][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.516614][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.516722][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.516753][ T32] r4:84ab0640 [ 1334.516795][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.516829][ T32] INFO: task kworker/0:117:4398 blocked for more than 460 seconds. [ 1334.516863][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.516888][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.516911][ T32] task:kworker/0:117 state:D stack:0 pid:4398 tgid:4398 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.516989][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.517035][ T32] Call trace: [ 1334.517097][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 3 printk messages dropped ** [ 1334.517281][ T32] r5:85300000 r4:8291a680 ** 2 printk messages dropped ** [ 1334.517418][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf35e08 [ 1334.517447][ T32] r4:00000000 [ 1334.517470][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.517519][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.517595][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.517697][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85373640 [ 1334.517725][ T32] r4:00000000 [ 1334.517748][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.517798][ T32] r9:83018005 r8:85300000 r7:00000000 r6:83018000 r5:00001000 r4:7f0b9000 [ 1334.517845][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.517896][ T32] r5:00001000 r4:eaf43000 [ 1334.517940][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.517994][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.518085][ T32] r5:8533738c r4:85337000 [ 1334.518112][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.518186][ T32] r7:dddced80 r6:83018000 r5:8533738c r4:85378200 [ 1334.518232][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.518287][ T32] r10:61c88647 r9:85300000 r8:8537822c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1334.518337][ T32] r4:85378200 [ 1334.518357][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.518433][ T32] r10:00000000 r9:85378200 r8:80287e08 r7:eaf31e60 r6:8536ea80 r5:85300000 [ 1334.518489][ T32] r4:00000001 [ 1334.518512][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.518552][ T32] Exception stack(0xeaf35fb0 to 0xeaf35ff8) [ 1334.518588][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1334.518622][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.518657][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.518715][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.518762][ T32] r4:85373e00 [ 1334.519049][ T32] INFO: task kworker/0:117:4398 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.519086][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.519197][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.545154][ T32] Call trace: [ 1334.545293][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.545436][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.545470][ T32] r4:00000000 [ 1334.545496][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.545569][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.545615][ T32] dd20: d4347000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.545672][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.545704][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.545731][ T32] r5:800d0013 r4:80239bb0 [ 1334.545756][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.545839][ T32] r4:82ac21e4 [ 1334.545869][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.545940][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.545992][ T32] r4:e044ddc0 [ 1334.546027][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.546078][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.546104][ T32] r4:00000000 [ 1334.546148][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.546227][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.546263][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.546337][ T32] r5:00001000 r4:dfe3d000 [ 1334.546369][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.546421][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.546467][ T32] r5:84a2438c r4:84a24000 [ 1334.546512][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.546577][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.546605][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.546659][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.546683][ T32] r4:84ab5800 [ 1334.546704][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.546753][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.546777][ T32] r4:00000001 [ 1334.546944][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.546988][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.547018][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.547070][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.547133][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.547168][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.547196][ T32] r4:84ab0640 [ 1334.547228][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.547276][ T32] INFO: task kworker/1:523:4399 blocked for more than 460 seconds. [ 1334.547315][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.547388][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.547421][ T32] task:kworker/1:523 state:D stack:0 pid:4399 tgid:4399 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.547484][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.547578][ T32] Call trace: [ 1334.547651][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.547739][ T32] r10:8291a684 r9:eaf41d84 r8:00000002 r7:60000113 r6:eaf41d8c r5:85300c00 [ 1334.547766][ T32] r4:85300c00 [ 1334.547789][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.547837][ T32] r5:85300c00 r4:8291a680 [ 1334.547859][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.547901][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.548021][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf41e08 [ 1334.548143][ T32] r4:00000000 [ 1334.548169][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.548212][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.548299][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.548381][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537b640 [ 1334.548412][ T32] r4:00000000 [ 1334.548454][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.548540][ T32] r9:83018205 r8:85300c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0bb000 [ 1334.548578][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.548632][ T32] r5:00001000 r4:eaf53000 [ 1334.548661][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.548718][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.548795][ T32] r5:8533778c r4:85337400 [ 1334.548844][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.548898][ T32] r7:ddde2d80 r6:83018200 r5:8533778c r4:8536eb00 [ 1334.548922][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.548975][ T32] r10:61c88647 r9:85300c00 r8:8536eb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.549000][ T32] r4:8536eb00 [ 1334.549020][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.549092][ T32] r10:00000000 r9:8536eb00 r8:80287e08 r7:eaf0de60 r6:8536eb80 r5:85300c00 [ 1334.549135][ T32] r4:00000001 [ 1334.549196][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.563350][ T32] Exception stack(0xeaf41fb0 to 0xeaf41ff8) [ 1334.563483][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.563521][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.563627][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.563670][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.563701][ T32] r4:8537b100 [ 1334.564159][ T32] INFO: task kworker/1:523:4399 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.564221][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.564365][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.564467][ T32] Call trace: [ 1334.564608][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.564677][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.564729][ T32] r4:00000000 [ 1334.564756][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.564802][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.564833][ T32] dd20: d4859000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.564864][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.564891][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.564916][ T32] r5:800d0013 r4:80239bb0 [ 1334.564948][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.565000][ T32] r4:82ac21e4 [ 1334.565033][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.565097][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.565126][ T32] r4:e044ddc0 [ 1334.565147][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.565194][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.565218][ T32] r4:00000000 [ 1334.565239][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.565288][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.565312][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.565395][ T32] r5:00001000 r4:dfe3d000 [ 1334.565424][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.565479][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.565531][ T32] r5:84a2438c r4:84a24000 [ 1334.565563][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.565618][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.565642][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.565703][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.565731][ T32] r4:84ab5800 [ 1334.565763][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.565819][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.565844][ T32] r4:00000001 [ 1334.565864][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.565902][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.565931][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.565977][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.566009][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.566040][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.566077][ T32] r4:84ab0640 [ 1334.566126][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.566185][ T32] INFO: task kworker/0:118:4402 blocked for more than 460 seconds. [ 1334.566227][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.566254][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.566277][ T32] task:kworker/0:118 state:D stack:0 pid:4402 tgid:4402 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.566382][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.566435][ T32] Call trace: [ 1334.566479][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.566548][ T32] r10:8291a684 r9:eaf51d84 r8:00000002 r7:60000113 r6:eaf51d8c r5:85303000 [ 1334.566587][ T32] r4:85303000 [ 1334.566610][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.566656][ T32] r5:85303000 r4:8291a680 [ 1334.566677][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.566730][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.566780][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf51e08 [ 1334.566814][ T32] r4:00000000 [ 1334.566838][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.566877][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.566914][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.566981][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8538ab00 [ 1334.567011][ T32] r4:00000000 [ 1334.567033][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.567082][ T32] r9:83018005 r8:85303000 r7:00000000 r6:83018000 r5:00001000 r4:7f079000 [ 1334.567105][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.567183][ T32] r5:00001000 r4:ea805000 [ 1334.567232][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.567283][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.567330][ T32] r5:8510238c r4:85102000 [ 1334.567352][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.567414][ T32] r7:dddced80 r6:83018000 r5:8510238c r4:85378280 [ 1334.567462][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.567572][ T32] r10:61c88647 r9:85303000 r8:853782ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1334.567629][ T32] r4:85378280 [ 1334.567678][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.567777][ T32] r10:00000000 r9:85378280 r8:80287e08 r7:eaf31e60 r6:8536ec00 r5:85303000 [ 1334.567805][ T32] r4:00000001 [ 1334.567829][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.567869][ T32] Exception stack(0xeaf51fb0 to 0xeaf51ff8) [ 1334.567897][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.567963][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.568015][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.568077][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.568142][ T32] r4:85373e00 [ 1334.568698][ T32] INFO: task kworker/0:118:4402 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.568790][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.568949][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.569088][ T32] Call trace: [ 1334.569158][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.593434][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.593540][ T32] r4:00000000 [ 1334.593569][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.593695][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.593801][ T32] dd20: d4f3f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.593875][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.593937][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.593968][ T32] r5:800d0013 r4:80239bb0 [ 1334.593992][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.594041][ T32] r4:82ac21e4 [ 1334.594098][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.594199][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.594260][ T32] r4:e044ddc0 [ 1334.594343][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.594402][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.594461][ T32] r4:00000000 [ 1334.594518][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.594574][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.594599][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.594649][ T32] r5:00001000 r4:dfe3d000 [ 1334.594671][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.594713][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.594795][ T32] r5:84a2438c r4:84a24000 [ 1334.594823][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.594876][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.594899][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.594951][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.594974][ T32] r4:84ab5800 [ 1334.595020][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.595098][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.595126][ T32] r4:00000001 [ 1334.595148][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.595188][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.595216][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.595247][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.595275][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.595328][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.595356][ T32] r4:84ab0640 [ 1334.595391][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.595436][ T32] INFO: task kworker/1:524:4404 blocked for more than 461 seconds. [ 1334.595486][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.595517][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.595543][ T32] task:kworker/1:524 state:D stack:0 pid:4404 tgid:4404 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.595606][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.595654][ T32] Call trace: [ 1334.595798][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.595855][ T32] r10:8291a684 r9:eaf4dd84 r8:00000002 r7:60000113 r6:eaf4dd8c r5:85301800 [ 1334.595924][ T32] r4:85301800 [ 1334.595951][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.596000][ T32] r5:85301800 r4:8291a680 [ 1334.596045][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.596108][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.596177][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf4de08 [ 1334.596216][ T32] r4:00000000 [ 1334.596237][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.596275][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.596312][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.596380][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537b900 [ 1334.596433][ T32] r4:00000000 [ 1334.596458][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.596564][ T32] r9:83018205 r8:85301800 r7:00000000 r6:83018200 r5:00001000 r4:7f0bf000 [ 1334.596618][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.596669][ T32] r5:00001000 r4:eaf63000 [ 1334.596691][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.596736][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.596803][ T32] r5:85337f8c r4:85337c00 [ 1334.596849][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.596965][ T32] r7:ddde2d80 r6:83018200 r5:85337f8c r4:8536ee00 [ 1334.596998][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.597073][ T32] r10:61c88647 r9:85301800 r8:8536ee2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.597101][ T32] r4:8536ee00 [ 1334.597149][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.597202][ T32] r10:00000000 r9:8536ee00 r8:80287e08 r7:eaf41e60 r6:8536ee80 r5:85301800 [ 1334.597252][ T32] r4:00000001 [ 1334.597320][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.597364][ T32] Exception stack(0xeaf4dfb0 to 0xeaf4dff8) [ 1334.597403][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.597455][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.597488][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.597545][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.597579][ T32] r4:8537b4c0 [ 1334.598047][ T32] INFO: task kworker/1:524:4404 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.598088][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.598152][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.598201][ T32] Call trace: [ 1334.598341][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.598413][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.598461][ T32] r4:00000000 [ 1334.598487][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.598553][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.598587][ T32] dd20: d4f3f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.598618][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.598645][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.598693][ T32] r5:800d0013 r4:80239bb0 [ 1334.598720][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.598764][ T32] r4:82ac21e4 ** 1 printk messages dropped ** [ 1334.598890][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 3 printk messages dropped ** [ 1334.599040][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1334.607566][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1334.607860][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 3 printk messages dropped ** [ 1334.608084][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1334.608249][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 3 printk messages dropped ** [ 1334.608384][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.608410][ T32] r4:84ab0640 [ 1334.608434][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.608467][ T32] INFO: task kworker/1:525:4406 blocked for more than 461 seconds. [ 1334.608533][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.608578][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.608605][ T32] task:kworker/1:525 state:D stack:0 pid:4406 tgid:4406 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.608674][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.608722][ T32] Call trace: [ 1334.608758][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.608814][ T32] r10:8291a684 r9:eaf19d84 r8:00000002 r7:60000013 r6:eaf19d8c r5:85303c00 [ 1334.608839][ T32] r4:85303c00 [ 1334.608861][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.608913][ T32] r5:85303c00 r4:8291a680 [ 1334.608967][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.609030][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.609077][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf19e08 [ 1334.609101][ T32] r4:00000000 [ 1334.609122][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.609193][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.616948][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.617283][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537b780 [ 1334.617344][ T32] r4:00000000 [ 1334.617383][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.617556][ T32] r9:83018205 r8:85303c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0bd000 [ 1334.617587][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.617642][ T32] r5:00001000 r4:eaf5b000 [ 1334.617665][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.617708][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.617784][ T32] r5:85337b8c r4:85337800 [ 1334.617812][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.617866][ T32] r7:ddde2d80 r6:83018200 r5:85337b8c r4:8536ef00 [ 1334.617915][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.617973][ T32] r10:61c88647 r9:85303c00 r8:8536ef2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.618000][ T32] r4:8536ef00 [ 1334.618047][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.618133][ T32] r10:00000000 r9:8536ef00 r8:80287e08 r7:eaf4de60 r6:8536ef80 r5:85303c00 [ 1334.618192][ T32] r4:00000001 [ 1334.618240][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.618342][ T32] Exception stack(0xeaf19fb0 to 0xeaf19ff8) [ 1334.618387][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.618420][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.618468][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.618512][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.618572][ T32] r4:8537b600 [ 1334.619049][ T32] INFO: task kworker/1:525:4406 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.619094][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.619301][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.635067][ T32] Call trace: [ 1334.635190][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.635347][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.635402][ T32] r4:00000000 [ 1334.635471][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.635564][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.635641][ T32] dd20: d525c000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.635709][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.635774][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.635829][ T32] r5:800d0013 r4:80239bb0 [ 1334.635880][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.635972][ T32] r4:82ac21e4 [ 1334.636028][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.636128][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.636183][ T32] r4:e044ddc0 [ 1334.636230][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.636315][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.636370][ T32] r4:00000000 [ 1334.636420][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.636544][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.636598][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.636700][ T32] r5:00001000 r4:dfe3d000 [ 1334.636746][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.636830][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.636918][ T32] r5:84a2438c r4:84a24000 [ 1334.636963][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.637072][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.637122][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.637221][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.637268][ T32] r4:84ab5800 [ 1334.637311][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.637425][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.637698][ T32] r4:00000001 [ 1334.637817][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.637905][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.637987][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.638053][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.638110][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.638168][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.638344][ T32] r4:84ab0640 [ 1334.638404][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.638469][ T32] INFO: task kworker/1:526:4409 blocked for more than 461 seconds. [ 1334.638537][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.638591][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.638648][ T32] task:kworker/1:526 state:D stack:0 pid:4409 tgid:4409 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.638794][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.638962][ T32] Call trace: [ 1334.639043][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.639149][ T32] r10:8291a684 r9:eaed5d84 r8:00000002 r7:60000013 r6:eaed5d8c r5:85304800 [ 1334.643343][ T32] r4:85304800 [ 1334.643482][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.643631][ T32] r5:85304800 r4:8291a680 [ 1334.643684][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.643767][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.643852][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaed5e08 [ 1334.644023][ T32] r4:00000000 [ 1334.644218][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.644307][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.644390][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.645072][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537bbc0 [ 1334.645154][ T32] r4:00000000 [ 1334.645199][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.645293][ T32] r9:83018205 r8:85304800 r7:00000000 r6:83018200 r5:00001000 r4:7f0c3000 [ 1334.645339][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.645456][ T32] r5:00001000 r4:eaf7b000 [ 1334.645509][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.645593][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.645695][ T32] r5:8533c78c r4:8533c400 [ 1334.645757][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.645881][ T32] r7:ddde2d80 r6:83018200 r5:8533c78c r4:8536ec80 [ 1334.646009][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.646212][ T32] r10:61c88647 r9:85304800 r8:8536ecac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.646281][ T32] r4:8536ec80 [ 1334.646323][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.646421][ T32] r10:00000000 r9:8536ec80 r8:80287e08 r7:eaf4de60 r6:8536ed00 r5:85304800 [ 1334.646470][ T32] r4:00000001 [ 1334.646515][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.646631][ T32] Exception stack(0xeaed5fb0 to 0xeaed5ff8) [ 1334.646755][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1334.646822][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.646888][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.646952][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.647000][ T32] r4:8537b700 [ 1334.647734][ T32] INFO: task kworker/1:526:4409 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.647821][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.647970][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.648074][ T32] Call trace: [ 1334.648158][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.648273][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.648329][ T32] r4:00000000 [ 1334.648400][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.648539][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.648603][ T32] dd20: d525c000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.648682][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.648748][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.648809][ T32] r5:800d0013 r4:80239bb0 [ 1334.648865][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.648958][ T32] r4:82ac21e4 [ 1334.649007][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.649131][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.649294][ T32] r4:e044ddc0 [ 1334.676219][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.676330][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.676358][ T32] r4:00000000 [ 1334.676391][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.676460][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.676490][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.676604][ T32] r5:00001000 r4:dfe3d000 [ 1334.676718][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.676769][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.676815][ T32] r5:84a2438c r4:84a24000 [ 1334.676837][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.676886][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.676908][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.676956][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.676980][ T32] r4:84ab5800 [ 1334.677001][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.677048][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.677071][ T32] r4:00000001 [ 1334.677105][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.677150][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.677183][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.677234][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.677266][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.677297][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.677320][ T32] r4:84ab0640 [ 1334.677382][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.677437][ T32] INFO: task kworker/1:527:4410 blocked for more than 461 seconds. [ 1334.677475][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.677501][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.677525][ T32] task:kworker/1:527 state:D stack:0 pid:4410 tgid:4410 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.677623][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.677675][ T32] Call trace: [ 1334.677709][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.677788][ T32] r10:8291a684 r9:eaf79d84 r8:00000002 r7:60000013 r6:eaf79d8c r5:85305400 [ 1334.677817][ T32] r4:85305400 [ 1334.677839][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.677885][ T32] r5:85305400 r4:8291a680 [ 1334.677926][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.677973][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.678037][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf79e08 [ 1334.678078][ T32] r4:00000000 [ 1334.678112][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.678152][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.678188][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.678230][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537ba40 [ 1334.678253][ T32] r4:00000000 [ 1334.678273][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.678341][ T32] r9:83018205 r8:85305400 r7:00000000 r6:83018200 r5:00001000 r4:7f0c1000 [ 1334.678364][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.678459][ T32] r5:00001000 r4:eaf6f000 [ 1334.678484][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.678527][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.678591][ T32] r5:8533c38c r4:8533c000 [ 1334.678658][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.678712][ T32] r7:ddde2d80 r6:83018200 r5:8533c38c r4:8536ed80 [ 1334.678735][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.678783][ T32] r10:61c88647 r9:85305400 r8:8536edac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.678806][ T32] r4:8536ed80 [ 1334.678856][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.678908][ T32] r10:00000000 r9:8536ed80 r8:80287e08 r7:eaed5e60 r6:8537d000 r5:85305400 [ 1334.678933][ T32] r4:00000001 [ 1334.678953][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.679021][ T32] Exception stack(0xeaf79fb0 to 0xeaf79ff8) [ 1334.679053][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.679082][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.679174][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.679217][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.686087][ T32] r4:8537b8c0 [ 1334.686894][ T32] INFO: task kworker/1:527:4410 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.686984][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.687157][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.687306][ T32] Call trace: [ 1334.687394][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.687522][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.687575][ T32] r4:00000000 [ 1334.687629][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.687724][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.687793][ T32] dd20: d54b2000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.687865][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.687926][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.687984][ T32] r5:800d0013 r4:80239bb0 [ 1334.688035][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.688160][ T32] r4:82ac21e4 [ 1334.688243][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.688337][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.688365][ T32] r4:e044ddc0 [ 1334.688399][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.688447][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.688488][ T32] r4:00000000 [ 1334.688560][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.688647][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.688680][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.688733][ T32] r5:00001000 r4:dfe3d000 [ 1334.688756][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.688836][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.688914][ T32] r5:84a2438c r4:84a24000 [ 1334.688943][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.688999][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.689023][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.689074][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.689118][ T32] r4:84ab5800 [ 1334.689146][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.689198][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.689223][ T32] r4:00000001 [ 1334.689248][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.702228][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.702345][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.702391][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.702423][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.702458][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.702499][ T32] r4:84ab0640 [ 1334.702532][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.702580][ T32] INFO: task kworker/1:528:4413 blocked for more than 461 seconds. [ 1334.702644][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.702675][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.702722][ T32] task:kworker/1:528 state:D stack:0 pid:4413 tgid:4413 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.702823][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.702903][ T32] Call trace: [ 1334.702966][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.703055][ T32] r10:8291a684 r9:eaf85d84 r8:00000002 r7:60000113 r6:eaf85d8c r5:85306000 [ 1334.703107][ T32] r4:85306000 [ 1334.703165][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.703218][ T32] r5:85306000 r4:8291a680 [ 1334.703241][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.703306][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.703362][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf85e08 [ 1334.703409][ T32] r4:00000000 [ 1334.703436][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.703497][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.703542][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.703606][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537bd40 [ 1334.703634][ T32] r4:00000000 [ 1334.703656][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.703708][ T32] r9:83018205 r8:85306000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c5000 [ 1334.703731][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.703825][ T32] r5:00001000 r4:eaf87000 [ 1334.703885][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.703970][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.704057][ T32] r5:8533cb8c r4:8533c800 [ 1334.704101][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.704192][ T32] r7:ddde2d80 r6:83018200 r5:8533cb8c r4:8537d080 [ 1334.704241][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.704344][ T32] r10:61c88647 r9:85306000 r8:8537d0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.704407][ T32] r4:8537d080 [ 1334.704452][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.704575][ T32] r10:00000000 r9:8537d080 r8:80287e08 r7:eaed5e60 r6:8537d100 r5:85306000 [ 1334.704626][ T32] r4:00000001 [ 1334.704672][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.704751][ T32] Exception stack(0xeaf85fb0 to 0xeaf85ff8) [ 1334.704813][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1334.704876][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.704937][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.704999][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.705050][ T32] r4:8537b9c0 [ 1334.705662][ T32] INFO: task kworker/1:528:4413 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.705745][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.705819][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.706049][ T32] Call trace: [ 1334.706162][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.706398][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.706431][ T32] r4:00000000 [ 1334.706452][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.706497][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.706526][ T32] dd20: d582b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.706562][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.706591][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.706617][ T32] r5:800d0013 r4:80239bb0 [ 1334.706681][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.706731][ T32] r4:82ac21e4 [ 1334.706851][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.707090][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.707119][ T32] r4:e044ddc0 [ 1334.707181][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.707232][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.707256][ T32] r4:00000000 [ 1334.707277][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.707328][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.707357][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.707437][ T32] r5:00001000 r4:dfe3d000 [ 1334.707464][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.707510][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.707553][ T32] r5:84a2438c r4:84a24000 [ 1334.707574][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.707646][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.707696][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.707751][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.707789][ T32] r4:84ab5800 [ 1334.707822][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.707877][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.707902][ T32] r4:00000001 [ 1334.707933][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.708005][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.708037][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.708074][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.708125][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.708163][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.708187][ T32] r4:84ab0640 [ 1334.708208][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.708248][ T32] INFO: task kworker/1:529:4414 blocked for more than 461 seconds. [ 1334.708293][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.708323][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.708363][ T32] task:kworker/1:529 state:D stack:0 pid:4414 tgid:4414 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.708432][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.708495][ T32] Call trace: [ 1334.708634][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.708696][ T32] r10:8291a684 r9:eaf6dd84 r8:00000002 r7:60000013 r6:eaf6dd8c r5:85306c00 [ 1334.708721][ T32] r4:85306c00 [ 1334.708745][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.708824][ T32] r5:85306c00 r4:8291a680 [ 1334.708899][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.708947][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.709034][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf6de08 [ 1334.709096][ T32] r4:00000000 [ 1334.709122][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.709161][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.709198][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.709316][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537bf00 [ 1334.730034][ T32] r4:00000000 [ 1334.730092][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.730176][ T32] r9:83018205 r8:85306c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0e5000 [ 1334.730202][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.730288][ T32] r5:00001000 r4:eaf93000 [ 1334.730351][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.730410][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.730458][ T32] r5:8533cf8c r4:8533cc00 [ 1334.730480][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.730532][ T32] r7:ddde2d80 r6:83018200 r5:8533cf8c r4:8537d180 [ 1334.730554][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.730604][ T32] r10:61c88647 r9:85306c00 r8:8537d1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.730628][ T32] r4:8537d180 [ 1334.730649][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.730698][ T32] r10:00000000 r9:8537d180 r8:80287e08 r7:eaf85e60 r6:8537d200 r5:85306c00 [ 1334.730797][ T32] r4:00000001 [ 1334.730823][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.730911][ T32] Exception stack(0xeaf6dfb0 to 0xeaf6dff8) [ 1334.730949][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.730980][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.731008][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.731039][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.731083][ T32] r4:8537bb40 [ 1334.731560][ T32] INFO: task kworker/1:529:4414 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.731658][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.731913][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.732066][ T32] Call trace: [ 1334.732114][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.732172][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.732197][ T32] r4:00000000 [ 1334.732219][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.732263][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.732293][ T32] dd20: d5b99000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.732326][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.732352][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.732384][ T32] r5:800d0013 r4:80239bb0 [ 1334.732408][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.732453][ T32] r4:82ac21e4 [ 1334.732474][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.732558][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.732589][ T32] r4:e044ddc0 [ 1334.732612][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.732658][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.732682][ T32] r4:00000000 [ 1334.732815][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.732908][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.732937][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.732987][ T32] r5:00001000 r4:dfe3d000 [ 1334.733009][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.733052][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.733098][ T32] r5:84a2438c r4:84a24000 [ 1334.733120][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.733218][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.733420][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.733550][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.733580][ T32] r4:84ab5800 [ 1334.733665][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.733721][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.733746][ T32] r4:00000001 [ 1334.733766][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.733962][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.734017][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.734054][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.734084][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.734115][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.734177][ T32] r4:84ab0640 [ 1334.734204][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.734256][ T32] INFO: task kworker/1:530:4416 blocked for more than 461 seconds. [ 1334.734297][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.734330][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.734355][ T32] task:kworker/1:530 state:D stack:0 pid:4416 tgid:4416 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.734431][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.734520][ T32] Call trace: [ 1334.734628][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.734686][ T32] r10:8291a684 r9:eaf9dd84 r8:00000002 r7:60000013 r6:eaf9dd8c r5:852fec00 [ 1334.734712][ T32] r4:852fec00 [ 1334.734759][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.734811][ T32] r5:852fec00 r4:8291a680 [ 1334.734873][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.734920][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.735000][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf9de08 [ 1334.735029][ T32] r4:00000000 [ 1334.735122][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.735165][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.735203][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.735246][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85381040 [ 1334.735309][ T32] r4:00000000 [ 1334.735352][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.735415][ T32] r9:83018205 r8:852fec00 r7:00000000 r6:83018200 r5:00001000 r4:7f0e7000 [ 1334.735475][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.735526][ T32] r5:00001000 r4:eaf9f000 [ 1334.735549][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.735617][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.735702][ T32] r5:8533d38c r4:8533d000 [ 1334.735956][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.736010][ T32] r7:ddde2d80 r6:83018200 r5:8533d38c r4:8537d280 [ 1334.736033][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.736082][ T32] r10:61c88647 r9:852fec00 r8:8537d2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.736124][ T32] r4:8537d280 [ 1334.736151][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.736203][ T32] r10:00000000 r9:8537d280 r8:80287e08 r7:eaf6de60 r6:8537d300 r5:852fec00 [ 1334.736228][ T32] r4:00000001 [ 1334.736285][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.736328][ T32] Exception stack(0xeaf9dfb0 to 0xeaf9dff8) [ 1334.736357][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.736393][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.736422][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.736454][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.736478][ T32] r4:8537bd80 [ 1334.736820][ T32] INFO: task kworker/1:530:4416 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.736863][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.736924][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.737017][ T32] Call trace: [ 1334.737051][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.737134][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.737247][ T32] r4:00000000 [ 1334.737274][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.737351][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.737393][ T32] dd20: d5b99000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.737451][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.737510][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.737541][ T32] r5:800d0013 r4:80239bb0 [ 1334.737653][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.737704][ T32] r4:82ac21e4 [ 1334.737728][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.737817][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.737875][ T32] r4:e044ddc0 [ 1334.737913][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.737992][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.738021][ T32] r4:00000000 [ 1334.738045][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.738095][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.738118][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.738210][ T32] r5:00001000 r4:dfe3d000 [ 1334.738273][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.738351][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.738408][ T32] r5:84a2438c r4:84a24000 [ 1334.738431][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.738484][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.738541][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.738598][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.738623][ T32] r4:84ab5800 [ 1334.738704][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.738795][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.738928][ T32] r4:00000001 [ 1334.738953][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.738994][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.739023][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.739054][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.739084][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.739115][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.739176][ T32] r4:84ab0640 [ 1334.739202][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.739255][ T32] INFO: task kworker/1:531:4418 blocked for more than 461 seconds. [ 1334.739596][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.770203][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.770295][ T32] task:kworker/1:531 state:D stack:0 pid:4418 tgid:4418 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.770391][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.770511][ T32] Call trace: [ 1334.770566][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.770641][ T32] r10:8291a684 r9:eafa9d84 r8:00000002 r7:60000113 r6:eafa9d8c r5:84ae8000 [ 1334.770781][ T32] r4:84ae8000 [ 1334.770812][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.770870][ T32] r5:84ae8000 r4:8291a680 [ 1334.770897][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.770980][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.771040][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafa9e08 [ 1334.771075][ T32] r4:00000000 [ 1334.771130][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.771208][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.771260][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.771314][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85381340 [ 1334.771344][ T32] r4:00000000 [ 1334.771370][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.771454][ T32] r9:83018205 r8:84ae8000 r7:00000000 r6:83018200 r5:00001000 r4:7f0f9000 [ 1334.771487][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.771562][ T32] r5:00001000 r4:eafab000 [ 1334.771605][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.771660][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.771772][ T32] r5:8533d78c r4:8533d400 [ 1334.771802][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.771857][ T32] r7:ddde2d80 r6:83018200 r5:8533d78c r4:8537d380 [ 1334.771883][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.771935][ T32] r10:61c88647 r9:84ae8000 r8:8537d3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.771986][ T32] r4:8537d380 [ 1334.772036][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.772119][ T32] r10:00000000 r9:8537d380 r8:80287e08 r7:eaf9de60 r6:85378300 r5:84ae8000 [ 1334.772148][ T32] r4:00000001 [ 1334.772170][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.772229][ T32] Exception stack(0xeafa9fb0 to 0xeafa9ff8) [ 1334.772291][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.772326][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.772356][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.772388][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.772478][ T32] r4:85381100 [ 1334.772985][ T32] INFO: task kworker/1:531:4418 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.773063][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.773167][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.773238][ T32] Call trace: [ 1334.773305][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.773361][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.773386][ T32] r4:00000000 [ 1334.773481][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.773530][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.773570][ T32] dd20: d6130000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.773643][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.773838][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.773884][ T32] r5:800d0013 r4:80239bb0 [ 1334.773910][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.773992][ T32] r4:82ac21e4 [ 1334.774019][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.774100][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.774131][ T32] r4:e044ddc0 [ 1334.774154][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.774201][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.774231][ T32] r4:00000000 [ 1334.774436][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.774531][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.774602][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.774653][ T32] r5:00001000 r4:dfe3d000 [ 1334.774677][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.774741][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.774792][ T32] r5:84a2438c r4:84a24000 [ 1334.774842][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.774899][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.774923][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.775034][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.775065][ T32] r4:84ab5800 [ 1334.775088][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.775184][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.775214][ T32] r4:00000001 [ 1334.775237][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.775277][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.775310][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.775344][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.775372][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.775403][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.775428][ T32] r4:84ab0640 [ 1334.775483][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.775521][ T32] INFO: task kworker/1:532:4420 blocked for more than 461 seconds. [ 1334.775592][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.775627][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.775667][ T32] task:kworker/1:532 state:D stack:0 pid:4420 tgid:4420 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.775734][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.775784][ T32] Call trace: [ 1334.775817][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.775867][ T32] r10:8291a684 r9:eafb5d84 r8:00000002 r7:60000113 r6:eafb5d8c r5:84aed400 [ 1334.775892][ T32] r4:84aed400 [ 1334.775956][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.776008][ T32] r5:84aed400 r4:8291a680 [ 1334.776030][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.776072][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.776120][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafb5e08 [ 1334.776148][ T32] r4:00000000 [ 1334.776169][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.776207][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.776244][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.776341][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853815c0 [ 1334.776378][ T32] r4:00000000 [ 1334.776404][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.776453][ T32] r9:83018205 r8:84aed400 r7:00000000 r6:83018200 r5:00001000 r4:7f0fd000 [ 1334.776476][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.776581][ T32] r5:00001000 r4:eafc3000 [ 1334.776643][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.776691][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.776755][ T32] r5:8533df8c r4:8533dc00 [ 1334.776807][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.776862][ T32] r7:ddde2d80 r6:83018200 r5:8533df8c r4:8537d400 [ 1334.776885][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.776972][ T32] r10:61c88647 r9:84aed400 r8:8537d42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.777018][ T32] r4:8537d400 [ 1334.777056][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.777134][ T32] r10:00000000 r9:8537d400 r8:80287e08 r7:eafa9e60 r6:85378380 r5:84aed400 [ 1334.777163][ T32] r4:00000001 [ 1334.777187][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1334.777346][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.777390][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.777421][ T32] r4:853811c0 [ 1334.777650][ T32] INFO: task kworker/1:532:4420 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.777689][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.777775][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.777850][ T32] Call trace: [ 1334.777931][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.777993][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.778043][ T32] r4:00000000 [ 1334.778069][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.778141][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.778201][ T32] dd20: d6130000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.778236][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.778264][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.778312][ T32] r5:800d0013 r4:80239bb0 [ 1334.778352][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.778402][ T32] r4:82ac21e4 [ 1334.778424][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.778469][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.778493][ T32] r4:e044ddc0 [ 1334.778515][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.778563][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.778588][ T32] r4:00000000 [ 1334.778610][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.778658][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.778683][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.778728][ T32] r5:00001000 r4:dfe3d000 [ 1334.778805][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.778882][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.778932][ T32] r5:84a2438c r4:84a24000 [ 1334.778958][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.779009][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.779047][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.779102][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.779126][ T32] r4:84ab5800 [ 1334.779174][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.779229][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.779268][ T32] r4:00000001 [ 1334.779293][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.779419][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.799853][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.799915][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.799950][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.799991][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.800019][ T32] r4:84ab0640 [ 1334.800048][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.800097][ T32] INFO: task kworker/1:533:4422 blocked for more than 461 seconds. [ 1334.800160][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.800196][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.800224][ T32] task:kworker/1:533 state:D stack:0 pid:4422 tgid:4422 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.800293][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.800478][ T32] Call trace: [ 1334.800544][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.800650][ T32] r10:8291a684 r9:eafc1d84 r8:00000002 r7:60000113 r6:eafc1d8c r5:84aee000 [ 1334.800746][ T32] r4:84aee000 [ 1334.800775][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.800828][ T32] r5:84aee000 r4:8291a680 [ 1334.800852][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.800896][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.800945][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafc1e08 [ 1334.800970][ T32] r4:00000000 [ 1334.801021][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.801065][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.801129][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.801214][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85381480 [ 1334.801246][ T32] r4:00000000 [ 1334.801299][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.801358][ T32] r9:83018205 r8:84aee000 r7:00000000 r6:83018200 r5:00001000 r4:7f0fb000 [ 1334.801383][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.801433][ T32] r5:00001000 r4:eafb7000 [ 1334.801475][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.801527][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.801583][ T32] r5:8533db8c r4:8533d800 [ 1334.801608][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.801664][ T32] r7:ddde2d80 r6:83018200 r5:8533db8c r4:8537d480 [ 1334.801688][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.801744][ T32] r10:61c88647 r9:84aee000 r8:8537d4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.801770][ T32] r4:8537d480 [ 1334.801813][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.801898][ T32] r10:00000000 r9:8537d480 r8:80287e08 r7:eafb5e60 r6:85378400 r5:84aee000 [ 1334.801929][ T32] r4:00000001 [ 1334.801964][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.802010][ T32] Exception stack(0xeafc1fb0 to 0xeafc1ff8) [ 1334.802044][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.802078][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.802109][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.802184][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.802214][ T32] r4:85381380 [ 1334.802668][ T32] INFO: task kworker/1:533:4422 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.802707][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.802804][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.802871][ T32] Call trace: [ 1334.802905][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.802961][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.802986][ T32] r4:00000000 [ 1334.803008][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.803050][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.803082][ T32] dd20: d63c0000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.803114][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.803141][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.803167][ T32] r5:800d0013 r4:80239bb0 [ 1334.803218][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.803269][ T32] r4:82ac21e4 [ 1334.803341][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.803408][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.803465][ T32] r4:e044ddc0 [ 1334.803490][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.803615][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.803662][ T32] r4:00000000 [ 1334.803790][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.803917][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.803948][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.803996][ T32] r5:00001000 r4:dfe3d000 [ 1334.804020][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.804065][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.804144][ T32] r5:84a2438c r4:84a24000 [ 1334.804208][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.804287][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.804315][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.804368][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.804422][ T32] r4:84ab5800 [ 1334.804448][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.804512][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.804541][ T32] r4:00000001 [ 1334.804568][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.804608][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.804638][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.804669][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.804698][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.804729][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.804792][ T32] r4:84ab0640 [ 1334.804819][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.804900][ T32] INFO: task kworker/1:534:4424 blocked for more than 461 seconds. [ 1334.804994][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.805025][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.805050][ T32] task:kworker/1:534 state:D stack:0 pid:4424 tgid:4424 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.805120][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.805171][ T32] Call trace: [ 1334.805206][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.805275][ T32] r10:8291a684 r9:eafcdd84 r8:00000002 r7:60000013 r6:eafcdd8c r5:84aeec00 [ 1334.805322][ T32] r4:84aeec00 [ 1334.805348][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.805396][ T32] r5:84aeec00 r4:8291a680 [ 1334.805446][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.805761][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.805816][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafcde08 [ 1334.805843][ T32] r4:00000000 [ 1334.805870][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.805913][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.805951][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.805998][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85381700 [ 1334.806023][ T32] r4:00000000 [ 1334.806045][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.806093][ T32] r9:83018205 r8:84aeec00 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 [ 1334.806116][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.806161][ T32] r5:00001000 r4:df9cb000 [ 1334.806183][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.806266][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.806338][ T32] r5:8533e38c r4:8533e000 [ 1334.806385][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.806440][ T32] r7:ddde2d80 r6:83018200 r5:8533e38c r4:8537d500 [ 1334.806464][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.806515][ T32] r10:61c88647 r9:84aeec00 r8:8537d52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.806540][ T32] r4:8537d500 [ 1334.806568][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.806619][ T32] r10:00000000 r9:8537d500 r8:80287e08 r7:eafb5e60 r6:85378480 r5:84aeec00 [ 1334.806672][ T32] r4:00000001 [ 1334.806727][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.806804][ T32] Exception stack(0xeafcdfb0 to 0xeafcdff8) [ 1334.806908][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.806984][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.807019][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.807091][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.807122][ T32] r4:85381380 [ 1334.807416][ T32] INFO: task kworker/1:534:4424 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.807458][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.807544][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.807809][ T32] Call trace: [ 1334.807848][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.807904][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.807957][ T32] r4:00000000 [ 1334.807984][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.808028][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.808058][ T32] dd20: d63c0000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.808089][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.808118][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.808143][ T32] r5:800d0013 r4:80239bb0 [ 1334.808193][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.808256][ T32] r4:82ac21e4 [ 1334.808283][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.808330][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.808356][ T32] r4:e044ddc0 [ 1334.808406][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.808488][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.808536][ T32] r4:00000000 [ 1334.808568][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.808620][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.808646][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.808691][ T32] r5:00001000 r4:dfe3d000 [ 1334.808713][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.808755][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.808800][ T32] r5:84a2438c r4:84a24000 [ 1334.808841][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.808899][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.808925][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.808990][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.809020][ T32] r4:84ab5800 [ 1334.809069][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.809126][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.809152][ T32] r4:00000001 [ 1334.809174][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.809241][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.809386][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.833095][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.833151][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.833189][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.833218][ T32] r4:84ab0640 [ 1334.833245][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.833287][ T32] INFO: task kworker/1:535:4425 blocked for more than 461 seconds. [ 1334.833346][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.833381][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.833409][ T32] task:kworker/1:535 state:D stack:0 pid:4425 tgid:4425 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.833511][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.833626][ T32] Call trace: [ 1334.833703][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.833765][ T32] r10:8291a684 r9:eab41d84 r8:00000002 r7:60000013 r6:eab41d8c r5:84aec800 [ 1334.833792][ T32] r4:84aec800 [ 1334.833814][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.833861][ T32] r5:84aec800 r4:8291a680 [ 1334.833883][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.833925][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.833969][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab41e08 [ 1334.833994][ T32] r4:00000000 [ 1334.834051][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.834128][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.834176][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.834221][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85381840 [ 1334.834246][ T32] r4:00000000 [ 1334.834269][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.834355][ T32] r9:83018205 r8:84aec800 r7:00000000 r6:83018200 r5:00001000 r4:7f065000 [ 1334.834390][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.834453][ T32] r5:00001000 r4:dfb85000 [ 1334.834498][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.834553][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.834601][ T32] r5:8533e78c r4:8533e400 [ 1334.834653][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.834712][ T32] r7:ddde2d80 r6:83018200 r5:8533e78c r4:8537d580 [ 1334.834737][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.834788][ T32] r10:61c88647 r9:84aec800 r8:8537d5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.834813][ T32] r4:8537d580 [ 1334.834834][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.834898][ T32] r10:00000000 r9:8537d580 r8:80287e08 r7:eafcde60 r6:85378500 r5:84aec800 [ 1334.834928][ T32] r4:00000001 [ 1334.834950][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.835019][ T32] Exception stack(0xeab41fb0 to 0xeab41ff8) [ 1334.835135][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.835172][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.835237][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.835308][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.835338][ T32] r4:85381580 [ 1334.835801][ T32] INFO: task kworker/1:535:4425 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.835845][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.835911][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.835960][ T32] Call trace: [ 1334.835992][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.836082][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.836118][ T32] r4:00000000 [ 1334.836142][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.836186][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.836215][ T32] dd20: d6758000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.836246][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.836309][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.836361][ T32] r5:800d0013 r4:80239bb0 [ 1334.836385][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.836432][ T32] r4:82ac21e4 [ 1334.836455][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.836514][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.836542][ T32] r4:e044ddc0 [ 1334.836572][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.836619][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.836643][ T32] r4:00000000 [ 1334.836665][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.836714][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.836737][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.836812][ T32] r5:00001000 r4:dfe3d000 [ 1334.836841][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.836888][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.836933][ T32] r5:84a2438c r4:84a24000 [ 1334.836954][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.837033][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.837061][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.837113][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.837138][ T32] r4:84ab5800 [ 1334.837160][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.837210][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.837235][ T32] r4:00000001 [ 1334.837282][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.837352][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.837386][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.837417][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.837475][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.837539][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.837573][ T32] r4:84ab0640 [ 1334.837610][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.837644][ T32] INFO: task kworker/1:536:4427 blocked for more than 461 seconds. [ 1334.837701][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.837732][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.837757][ T32] task:kworker/1:536 state:D stack:0 pid:4427 tgid:4427 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.837804][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.837850][ T32] Call trace: [ 1334.837883][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.837935][ T32] r10:8291a684 r9:eada1d84 r8:00000002 r7:60000013 r6:eada1d8c r5:84aea400 [ 1334.837965][ T32] r4:84aea400 [ 1334.837991][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.838038][ T32] r5:84aea400 r4:8291a680 [ 1334.838060][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.838102][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.838146][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eada1e08 [ 1334.838170][ T32] r4:00000000 [ 1334.838190][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.838226][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.838263][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.838331][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85381980 [ 1334.838357][ T32] r4:00000000 [ 1334.838379][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.838427][ T32] r9:83018205 r8:84aea400 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1334.838466][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.838544][ T32] r5:00001000 r4:dfc11000 [ 1334.838576][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.838622][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.838669][ T32] r5:8533eb8c r4:8533e800 [ 1334.838692][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.838741][ T32] r7:ddde2d80 r6:83018200 r5:8533eb8c r4:8537d600 [ 1334.838765][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.838816][ T32] r10:61c88647 r9:84aea400 r8:8537d62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.838840][ T32] r4:8537d600 [ 1334.838861][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.838908][ T32] r10:00000000 r9:8537d600 r8:80287e08 r7:eab41e60 r6:85378580 r5:84aea400 [ 1334.838975][ T32] r4:00000001 [ 1334.839084][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.839129][ T32] Exception stack(0xeada1fb0 to 0xeada1ff8) [ 1334.839159][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.839223][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.839258][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.839338][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.858423][ T32] r4:853816c0 [ 1334.858922][ T32] INFO: task kworker/1:536:4427 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.858968][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.859349][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.862747][ T32] Call trace: [ 1334.862932][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.863016][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.863044][ T32] r4:00000000 [ 1334.863067][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.863113][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.863183][ T32] dd20: d6bd0000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.863222][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.863292][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.863359][ T32] r5:800d0013 r4:80239bb0 [ 1334.863387][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.863436][ T32] r4:82ac21e4 [ 1334.863459][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.863521][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.863557][ T32] r4:e044ddc0 [ 1334.863641][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.863750][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.863780][ T32] r4:00000000 [ 1334.863833][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.863964][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.864174][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.864232][ T32] r5:00001000 r4:dfe3d000 [ 1334.864255][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.864316][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.864371][ T32] r5:84a2438c r4:84a24000 [ 1334.864396][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.864454][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.864477][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.864551][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.864600][ T32] r4:84ab5800 [ 1334.864629][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.864683][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.864707][ T32] r4:00000001 [ 1334.864728][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.864767][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.864834][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.864871][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.864900][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.865033][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.865062][ T32] r4:84ab0640 [ 1334.865146][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.865219][ T32] INFO: task kworker/1:537:4430 blocked for more than 461 seconds. [ 1334.865265][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.865293][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.865359][ T32] task:kworker/1:537 state:D stack:0 pid:4430 tgid:4430 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.865603][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.865661][ T32] Call trace: [ 1334.865746][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.865801][ T32] r10:8291a684 r9:eadb9d84 r8:00000002 r7:60000113 r6:eadb9d8c r5:8528bc00 [ 1334.865827][ T32] r4:8528bc00 [ 1334.865884][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.865938][ T32] r5:8528bc00 r4:8291a680 [ 1334.866038][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.866088][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.866136][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eadb9e08 [ 1334.866162][ T32] r4:00000000 [ 1334.866182][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.866220][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.866292][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.866344][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85381ac0 [ 1334.866415][ T32] r4:00000000 [ 1334.866441][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.866489][ T32] r9:83018205 r8:8528bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f069000 [ 1334.866512][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.866565][ T32] r5:00001000 r4:dfc7d000 [ 1334.866625][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.866675][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.866722][ T32] r5:8533ef8c r4:8533ec00 [ 1334.866744][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.866795][ T32] r7:ddde2d80 r6:83018200 r5:8533ef8c r4:8537d680 [ 1334.866818][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.866891][ T32] r10:61c88647 r9:8528bc00 r8:8537d6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.866920][ T32] r4:8537d680 [ 1334.866942][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.867027][ T32] r10:00000000 r9:8537d680 r8:80287e08 r7:eada1e60 r6:85378600 r5:8528bc00 [ 1334.867110][ T32] r4:00000001 [ 1334.867135][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.867175][ T32] Exception stack(0xeadb9fb0 to 0xeadb9ff8) [ 1334.867204][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.867269][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.867303][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.867335][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.867393][ T32] r4:85381800 [ 1334.867878][ T32] INFO: task kworker/1:537:4430 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.867926][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.867991][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.868340][ T32] Call trace: [ 1334.868482][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.868562][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.868591][ T32] r4:00000000 [ 1334.868656][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.868705][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.868772][ T32] dd20: d6bd0000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.868808][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.868851][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.868880][ T32] r5:800d0013 r4:80239bb0 [ 1334.868903][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.868948][ T32] r4:82ac21e4 [ 1334.869063][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.869170][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.869200][ T32] r4:e044ddc0 [ 1334.869340][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.887631][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.887682][ T32] r4:00000000 [ 1334.887737][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.887820][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.887902][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.887960][ T32] r5:00001000 r4:dfe3d000 [ 1334.887984][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.888111][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.888165][ T32] r5:84a2438c r4:84a24000 [ 1334.888209][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.888267][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.888292][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.888345][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.888383][ T32] r4:84ab5800 [ 1334.888410][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.888464][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.888495][ T32] r4:00000001 [ 1334.888536][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.888587][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.888621][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.888653][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.888698][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.888736][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.888789][ T32] r4:84ab0640 [ 1334.888820][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.888854][ T32] INFO: task kworker/1:538:4432 blocked for more than 461 seconds. [ 1334.888892][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.888919][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.888945][ T32] task:kworker/1:538 state:D stack:0 pid:4432 tgid:4432 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.889037][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.889097][ T32] Call trace: [ 1334.889136][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.889195][ T32] r10:8291a684 r9:eaf91d84 r8:00000002 r7:60000113 r6:eaf91d8c r5:85302400 ** 4 printk messages dropped ** [ 1334.894001][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1334.894330][ T32] r4:00000000 [ 1334.894352][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.894403][ T32] r9:83018205 r8:85302400 r7:00000000 r6:83018200 r5:00001000 r4:7f06b000 [ 1334.894427][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.894476][ T32] r5:00001000 r4:dfd49000 [ 1334.894534][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.894591][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.894655][ T32] r5:8533f38c r4:8533f000 [ 1334.894682][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.894736][ T32] r7:ddde2d80 r6:83018200 r5:8533f38c r4:8537d700 [ 1334.894761][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.894839][ T32] r10:61c88647 r9:85302400 r8:8537d72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.894872][ T32] r4:8537d700 [ 1334.894896][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.894949][ T32] r10:00000000 r9:8537d700 r8:80287e08 r7:eadb9e60 r6:8537d780 r5:85302400 [ 1334.894973][ T32] r4:00000001 [ 1334.894994][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.895035][ T32] Exception stack(0xeaf91fb0 to 0xeaf91ff8) [ 1334.895066][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.895097][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.895125][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.895156][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.895181][ T32] r4:85381940 [ 1334.895654][ T32] INFO: task kworker/1:538:4432 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.895698][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.895770][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.895822][ T32] Call trace: [ 1334.895856][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.895911][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.895966][ T32] r4:00000000 [ 1334.896022][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.896072][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.896108][ T32] dd20: d6e5e000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.896141][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.896185][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.896242][ T32] r5:800d0013 r4:80239bb0 [ 1334.896269][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.896328][ T32] r4:82ac21e4 [ 1334.896354][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.896401][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.896426][ T32] r4:e044ddc0 [ 1334.896448][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.896493][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.896594][ T32] r4:00000000 [ 1334.896623][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.896676][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.896701][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.896788][ T32] r5:00001000 r4:dfe3d000 [ 1334.896816][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.896896][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.896984][ T32] r5:84a2438c r4:84a24000 [ 1334.897044][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.897099][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.897123][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.897179][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.897206][ T32] r4:84ab5800 [ 1334.897227][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.897276][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.897300][ T32] r4:00000001 [ 1334.897351][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.897411][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.897444][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.897477][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.897508][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.897539][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.897577][ T32] r4:84ab0640 [ 1334.897602][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.897631][ T32] INFO: task kworker/1:539:4434 blocked for more than 461 seconds. [ 1334.897665][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.897750][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.897814][ T32] task:kworker/1:539 state:D stack:0 pid:4434 tgid:4434 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.897867][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.897913][ T32] Call trace: [ 1334.897946][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.897997][ T32] r10:8291a684 r9:eadc1d84 r8:00000002 r7:60000113 r6:eadc1d8c r5:85308000 [ 1334.898062][ T32] r4:85308000 ** 3 printk messages dropped ** [ 1334.898256][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1334.898775][ T32] r5:00001000 r4:dfda9000 ** 1 printk messages dropped ** [ 1334.898853][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1334.898979][ T32] r7:ddde2d80 r6:83018200 r5:8533f78c r4:8537d800 ** 5 printk messages dropped ** [ 1334.899204][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1334.917001][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.917033][ T32] r4:853819c0 [ 1334.917469][ T32] INFO: task kworker/1:539:4434 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.917509][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.917644][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.917710][ T32] Call trace: [ 1334.917807][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.917869][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.917895][ T32] r4:00000000 [ 1334.917943][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.917993][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.918025][ T32] dd20: d716b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.918057][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1334.918112][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1334.918145][ T32] r5:800d0013 r4:80239bb0 [ 1334.918169][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.918233][ T32] r4:82ac21e4 [ 1334.918259][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.918332][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.918359][ T32] r4:e044ddc0 [ 1334.918395][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.918447][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.918473][ T32] r4:00000000 [ 1334.918495][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.918546][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.918576][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.918623][ T32] r5:00001000 r4:dfe3d000 [ 1334.918677][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.918727][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.918776][ T32] r5:84a2438c r4:84a24000 [ 1334.918824][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.918917][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.918974][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.919033][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.919060][ T32] r4:84ab5800 [ 1334.919116][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.919172][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.919197][ T32] r4:00000001 [ 1334.919217][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.919345][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.929668][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.929720][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.929755][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.929794][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.929823][ T32] r4:84ab0640 [ 1334.929852][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.929900][ T32] INFO: task kworker/1:540:4437 blocked for more than 461 seconds. [ 1334.929941][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.929972][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.930001][ T32] task:kworker/1:540 state:D stack:0 pid:4437 tgid:4437 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.930064][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.930126][ T32] Call trace: [ 1334.930208][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.930274][ T32] r10:8291a684 r9:eadf9d84 r8:00000002 r7:60000013 r6:eadf9d8c r5:85308c00 [ 1334.930390][ T32] r4:85308c00 [ 1334.930419][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.930473][ T32] r5:85308c00 r4:8291a680 [ 1334.930498][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.930546][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.930606][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eadf9e08 [ 1334.930669][ T32] r4:00000000 [ 1334.930790][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.930836][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.930878][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.930923][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85381ec0 [ 1334.930998][ T32] r4:00000000 [ 1334.931026][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.931079][ T32] r9:83018205 r8:85308c00 r7:00000000 r6:83018200 r5:00001000 r4:7f06f000 [ 1334.931105][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.931152][ T32] r5:00001000 r4:dff01000 [ 1334.931174][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.931244][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.931297][ T32] r5:8533fb8c r4:8533f800 [ 1334.931323][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.931377][ T32] r7:ddde2d80 r6:83018200 r5:8533fb8c r4:8537d900 [ 1334.931401][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.931454][ T32] r10:61c88647 r9:85308c00 r8:8537d92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.931479][ T32] r4:8537d900 [ 1334.931527][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.931589][ T32] r10:00000000 r9:8537d900 r8:80287e08 r7:eadc1e60 r6:8537d980 r5:85308c00 [ 1334.931616][ T32] r4:00000001 [ 1334.931637][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.931678][ T32] Exception stack(0xeadf9fb0 to 0xeadf9ff8) [ 1334.931709][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.931742][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.931771][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.931802][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.931826][ T32] r4:85381c00 [ 1334.932249][ T32] INFO: task kworker/1:540:4437 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.932288][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.932413][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.932476][ T32] Call trace: [ 1334.932566][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.932628][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.932654][ T32] r4:00000000 [ 1334.932675][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 3 printk messages dropped ** [ 1334.932860][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1334.933196][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1334.933634][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 4 printk messages dropped ** [ 1334.933810][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1334.934111][ T32] INFO: task kworker/1:541:4438 blocked for more than 461 seconds. ** 7 printk messages dropped ** [ 1334.934417][ T32] r4:85309800 ** 5 printk messages dropped ** [ 1334.934622][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1334.934790][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537b340 ** 6 printk messages dropped ** [ 1334.935100][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1334.935351][ T32] r10:61c88647 r9:85309800 r8:8537da2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1334.935751][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1334.936125][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1334.936855][ T32] r4:82ac21e4 [ 1334.937020][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.937073][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1334.937154][ T32] r4:e044ddc0 [ 1334.937181][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.937283][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1334.937389][ T32] r4:00000000 [ 1334.937416][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.937468][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1334.937493][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.937538][ T32] r5:00001000 r4:dfe3d000 [ 1334.937569][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.937614][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.937685][ T32] r5:84a2438c r4:84a24000 [ 1334.937786][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.937844][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.937868][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.937919][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.938001][ T32] r4:84ab5800 [ 1334.938028][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.938081][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.938106][ T32] r4:00000001 [ 1334.938127][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.938165][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.938227][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.938264][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.938318][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.938370][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.938400][ T32] r4:84ab0640 [ 1334.938422][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.938475][ T32] INFO: task kworker/1:542:4440 blocked for more than 461 seconds. [ 1334.938510][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.938554][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.938584][ T32] task:kworker/1:542 state:D stack:0 pid:4440 tgid:4440 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.938634][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.938680][ T32] Call trace: [ 1334.938750][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.938806][ T32] r10:8291a684 r9:eae29d84 r8:00000002 r7:60000113 r6:eae29d8c r5:8530b000 [ 1334.938831][ T32] r4:8530b000 [ 1334.938866][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.938918][ T32] r5:8530b000 r4:8291a680 [ 1334.938941][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.938999][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.939078][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae29e08 [ 1334.939107][ T32] r4:00000000 [ 1334.939128][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.939166][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.939203][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.961065][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85390400 [ 1334.961155][ T32] r4:00000000 [ 1334.961184][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 3 printk messages dropped ** [ 1334.961406][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.961456][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1334.961692][ T32] r10:61c88647 r9:8530b000 r8:8537db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1334.962120][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1334.962795][ T32] Call trace: ** 5 printk messages dropped ** [ 1334.963011][ T32] dd20: d7725000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 7 printk messages dropped ** [ 1334.963256][ T32] r4:e044ddc0 ** 7 printk messages dropped ** [ 1334.963602][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 7 printk messages dropped ** [ 1334.964208][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1334.964597][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.964623][ T32] r4:84ab0640 [ 1334.964647][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.964729][ T32] INFO: task kworker/1:543:4441 blocked for more than 461 seconds. [ 1334.964772][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.964828][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.964863][ T32] task:kworker/1:543 state:D stack:0 pid:4441 tgid:4441 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.964914][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.964960][ T32] Call trace: [ 1334.965056][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.965112][ T32] r10:8291a684 r9:eae45d84 r8:00000002 r7:60000013 r6:eae45d8c r5:8530bc00 [ 1334.965140][ T32] r4:8530bc00 [ 1334.965189][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.965243][ T32] r5:8530bc00 r4:8291a680 [ 1334.965266][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.965309][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.965355][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae45e08 [ 1334.965380][ T32] r4:00000000 [ 1334.965400][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.965440][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.965478][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.965522][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85390100 [ 1334.965546][ T32] r4:00000000 [ 1334.965593][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.965648][ T32] r9:83018205 r8:8530bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f073000 [ 1334.965673][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.965720][ T32] r5:00001000 r4:e0409000 [ 1334.965745][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.965789][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.965835][ T32] r5:8534838c r4:85348000 [ 1334.965857][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.965908][ T32] r7:ddde2d80 r6:83018200 r5:8534838c r4:8537dc00 [ 1334.965932][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.965985][ T32] r10:61c88647 r9:8530bc00 r8:8537dc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.966010][ T32] r4:8537dc00 [ 1334.966032][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.966088][ T32] r10:00000000 r9:8537dc00 r8:80287e08 r7:eae29e60 r6:8537dc80 r5:8530bc00 [ 1334.966142][ T32] r4:00000001 [ 1334.966168][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.966214][ T32] Exception stack(0xeae45fb0 to 0xeae45ff8) [ 1334.966245][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1334.966277][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.966307][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.966340][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.966387][ T32] r4:85390040 [ 1334.966656][ T32] INFO: task kworker/1:543:4441 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1334.966702][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.966835][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.966887][ T32] Call trace: [ 1334.966982][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1334.967042][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1334.967068][ T32] r4:00000000 [ 1334.967089][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.967159][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1334.967195][ T32] dd20: d7725000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1334.967241][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 1 printk messages dropped ** [ 1334.967300][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1334.967586][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 12 printk messages dropped ** [ 1334.968120][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1334.968356][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 7 printk messages dropped ** [ 1334.968674][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1334.968958][ T32] r4:8530e000 ** 4 printk messages dropped ** [ 1334.969174][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafd1e08 ** 10 printk messages dropped ** [ 1334.992884][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1334.993119][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1334.993295][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1334.993605][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1334.994856][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1334.995081][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1334.995554][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1334.996037][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1334.996087][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.996145][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.996172][ T32] r4:84ab5800 [ 1334.996193][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.996244][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1334.996268][ T32] r4:00000001 [ 1334.996290][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.996340][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1334.996371][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.996403][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.996433][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.996464][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1334.996488][ T32] r4:84ab0640 [ 1334.996528][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.996563][ T32] INFO: task kworker/0:119:4447 blocked for more than 461 seconds. [ 1334.996601][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1334.996628][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.996683][ T32] task:kworker/0:119 state:D stack:0 pid:4447 tgid:4447 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.996742][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.996791][ T32] Call trace: [ 1334.996825][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1334.996877][ T32] r10:8291a684 r9:eae1dd84 r8:00000002 r7:60000113 r6:eae1dd8c r5:852a0000 [ 1334.996902][ T32] r4:852a0000 [ 1334.996926][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1334.996974][ T32] r5:852a0000 r4:8291a680 [ 1334.997027][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.997102][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.997163][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae1de08 [ 1334.997189][ T32] r4:00000000 [ 1334.997210][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1334.997268][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1334.997338][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1334.997429][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8538ab80 [ 1334.997460][ T32] r4:00000000 [ 1334.997484][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1334.997534][ T32] r9:83018005 r8:852a0000 r7:00000000 r6:83018000 r5:00001000 r4:7f07d000 [ 1334.997558][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1334.997604][ T32] r5:00001000 r4:ea893000 [ 1334.997625][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1334.997668][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.997715][ T32] r5:85348f8c r4:85348c00 [ 1334.997738][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1334.997796][ T32] r7:dddced80 r6:83018000 r5:85348f8c r4:85378680 [ 1334.997819][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1334.997869][ T32] r10:61c88647 r9:852a0000 r8:853786ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1334.997893][ T32] r4:85378680 [ 1334.997990][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1334.998045][ T32] r10:00000000 r9:85378680 r8:80287e08 r7:eaf31e60 r6:85378700 r5:852a0000 [ 1334.998071][ T32] r4:00000001 [ 1334.998092][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.998131][ T32] Exception stack(0xeae1dfb0 to 0xeae1dff8) ** 2 printk messages dropped ** [ 1334.998255][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1334.998964][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1334.999091][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 9 printk messages dropped ** [ 1335.017502][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1335.017719][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1335.018071][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1335.018261][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1335.018649][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1335.019009][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.019081][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.019135][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae51e08 [ 1335.019161][ T32] r4:00000000 [ 1335.019182][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.019222][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.019369][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.027036][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85390ac0 [ 1335.027191][ T32] r4:00000000 [ 1335.027256][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.027334][ T32] r9:83018205 r8:852a0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1335.027362][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.027414][ T32] r5:00001000 r4:ea8b1000 [ 1335.027598][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.027650][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.027700][ T32] r5:8534938c r4:85349000 [ 1335.027722][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.027825][ T32] r7:ddde2d80 r6:83018200 r5:8534938c r4:8537de00 [ 1335.027891][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.027951][ T32] r10:61c88647 r9:852a0c00 r8:8537de2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.027976][ T32] r4:8537de00 [ 1335.027998][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.028050][ T32] r10:00000000 r9:8537de00 r8:80287e08 r7:eafd1e60 r6:85378780 r5:852a0c00 [ 1335.028135][ T32] r4:00000001 [ 1335.028162][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.028205][ T32] Exception stack(0xeae51fb0 to 0xeae51ff8) [ 1335.028237][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.028270][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.028337][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.028378][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.028405][ T32] r4:85390600 [ 1335.028852][ T32] INFO: task kworker/1:545:4448 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.028895][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.028968][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.029021][ T32] Call trace: [ 1335.029056][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.029116][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.029142][ T32] r4:00000000 [ 1335.029164][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.029207][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.029321][ T32] dd20: d7f83000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.042503][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.042595][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.042631][ T32] r5:800d0013 r4:80239bb0 [ 1335.042657][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.042717][ T32] r4:82ac21e4 [ 1335.042740][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.042801][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 3 printk messages dropped ** [ 1335.043004][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1335.043350][ T32] r5:84a2438c r4:84a24000 ** 7 printk messages dropped ** [ 1335.043675][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1335.043926][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1335.044367][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.044797][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 12 printk messages dropped ** [ 1335.045310][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1335.045456][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1335.045855][ T32] Exception stack(0xeafd5fb0 to 0xeafd5ff8) ** 7 printk messages dropped ** [ 1335.046661][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.047116][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 9 printk messages dropped ** [ 1335.047616][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1335.047831][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.047876][ T32] r5:84a2438c r4:84a24000 [ 1335.047980][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.048037][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.048064][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.048115][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.048141][ T32] r4:84ab5800 [ 1335.048161][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.048210][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.048248][ T32] r4:00000001 [ 1335.048275][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.048351][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.048410][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.048476][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.048562][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.048601][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.048662][ T32] r4:84ab0640 [ 1335.048720][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.048780][ T32] INFO: task kworker/1:546:4453 blocked for more than 461 seconds. [ 1335.048842][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.048873][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.048898][ T32] task:kworker/1:546 state:D stack:0 pid:4453 tgid:4453 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.048974][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.049024][ T32] Call trace: [ 1335.049065][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.049143][ T32] r10:8291a684 r9:eafddd84 r8:00000002 r7:60000113 r6:eafddd8c r5:852a3000 [ 1335.049174][ T32] r4:852a3000 [ 1335.049198][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.049326][ T32] r5:852a3000 r4:8291a680 [ 1335.059867][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.059952][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.060005][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafdde08 [ 1335.060032][ T32] r4:00000000 [ 1335.060054][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.060093][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.060135][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.060221][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853906c0 [ 1335.060284][ T32] r4:00000000 [ 1335.060324][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.060380][ T32] r9:83018205 r8:852a3000 r7:00000000 r6:83018200 r5:00001000 r4:7f087000 [ 1335.060407][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.060459][ T32] r5:00001000 r4:ea91d000 [ 1335.060482][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.060591][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.060686][ T32] r5:8534a38c r4:8534a000 [ 1335.060715][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.060770][ T32] r7:ddde2d80 r6:83018200 r5:8534a38c r4:8537de80 [ 1335.060808][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.060865][ T32] r10:61c88647 r9:852a3000 r8:8537deac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.060919][ T32] r4:8537de80 [ 1335.060975][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.061031][ T32] r10:00000000 r9:8537de80 r8:80287e08 r7:eae51e60 r6:85378900 r5:852a3000 [ 1335.061057][ T32] r4:00000001 [ 1335.061080][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1335.061744][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1335.062301][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 12 printk messages dropped ** [ 1335.063026][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1335.063601][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1335.063895][ T32] INFO: task kworker/1:547:4455 blocked for more than 461 seconds. ** 9 printk messages dropped ** [ 1335.064868][ T32] r5:852a3c00 r4:8291a680 ** 5 printk messages dropped ** [ 1335.065146][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1335.065545][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1335.065921][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1335.066734][ T32] r4:85390a80 ** 1 printk messages dropped ** [ 1335.067083][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.067189][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.067254][ T32] Call trace: [ 1335.067316][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.067392][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.067442][ T32] r4:00000000 [ 1335.067477][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.067526][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.067589][ T32] dd20: d85aa000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.067653][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.067691][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.067734][ T32] r5:800d0013 r4:80239bb0 [ 1335.067760][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.067808][ T32] r4:82ac21e4 [ 1335.067853][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.067911][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1335.067938][ T32] r4:e044ddc0 [ 1335.067960][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.068009][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1335.068036][ T32] r4:00000000 [ 1335.068068][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.068125][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1335.068181][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.068234][ T32] r5:00001000 r4:dfe3d000 [ 1335.068257][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.068339][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.068398][ T32] r5:84a2438c r4:84a24000 [ 1335.068432][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.068518][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.068549][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.068605][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.068664][ T32] r4:84ab5800 [ 1335.068718][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.068777][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.068813][ T32] r4:00000001 [ 1335.068838][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.068877][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.068906][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.068960][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.068992][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.069045][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.069073][ T32] r4:84ab0640 [ 1335.069118][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.069156][ T32] INFO: task kworker/1:548:4456 blocked for more than 461 seconds. [ 1335.069190][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.069239][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.069336][ T32] task:kworker/1:548 state:D stack:0 pid:4456 tgid:4456 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.098123][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.098227][ T32] Call trace: [ 1335.098338][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.098417][ T32] r10:8291a684 r9:eafe5d84 r8:00000002 r7:60000113 r6:eafe5d8c r5:852a4800 [ 1335.098477][ T32] r4:852a4800 [ 1335.098506][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.098555][ T32] r5:852a4800 r4:8291a680 [ 1335.098579][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.098623][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.098668][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafe5e08 [ 1335.098692][ T32] r4:00000000 [ 1335.098712][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.098749][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.098790][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.098975][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85390f80 [ 1335.099005][ T32] r4:00000000 [ 1335.099098][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.099156][ T32] r9:83018205 r8:852a4800 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 [ 1335.099181][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.099390][ T32] r5:00001000 r4:ea8ff000 [ 1335.100173][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.100249][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.100300][ T32] r5:85349f8c r4:85349c00 [ 1335.100323][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.100382][ T32] r7:ddde2d80 r6:83018200 r5:85349f8c r4:8537df80 ** 2 printk messages dropped ** [ 1335.100484][ T32] r4:8537df80 ** 6 printk messages dropped ** [ 1335.100734][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1335.101695][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1335.101896][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1335.102203][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1335.102714][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 7 printk messages dropped ** [ 1335.103389][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1335.103639][ T32] INFO: task kworker/0:121:4459 blocked for more than 461 seconds. ** 9 printk messages dropped ** [ 1335.104277][ T32] r5:852a5400 r4:8291a680 ** 5 printk messages dropped ** [ 1335.104527][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1335.104939][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.104985][ T32] r5:8510278c r4:85102400 [ 1335.105006][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.105055][ T32] r7:dddced80 r6:83018000 r5:8510278c r4:85378a80 [ 1335.105077][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.105155][ T32] r10:61c88647 r9:852a5400 r8:85378aac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1335.105185][ T32] r4:85378a80 [ 1335.105207][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.105256][ T32] r10:00000000 r9:85378a80 r8:80287e08 r7:eaf31e60 r6:85378b00 r5:852a5400 [ 1335.105316][ T32] r4:00000001 [ 1335.105342][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.105387][ T32] Exception stack(0xeafd9fb0 to 0xeafd9ff8) [ 1335.105416][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.105449][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.105478][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.105509][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.105533][ T32] r4:8538ae00 [ 1335.105819][ T32] INFO: task kworker/0:121:4459 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.105878][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.105982][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.106057][ T32] Call trace: [ 1335.106116][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.106194][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.106254][ T32] r4:00000000 [ 1335.106324][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.106408][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.106473][ T32] dd20: d8d3b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.106522][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.106567][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.106613][ T32] r5:800d0013 r4:80239bb0 [ 1335.106641][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.106690][ T32] r4:82ac21e4 [ 1335.106713][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.106786][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1335.106816][ T32] r4:e044ddc0 [ 1335.106848][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.106915][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1335.106969][ T32] r4:00000000 [ 1335.106994][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.107078][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1335.107114][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.107172][ T32] r5:00001000 r4:dfe3d000 [ 1335.107199][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.107244][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.107290][ T32] r5:84a2438c r4:84a24000 [ 1335.107311][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.107363][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.107397][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.107460][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.107489][ T32] r4:84ab5800 [ 1335.107512][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.107564][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.107590][ T32] r4:00000001 [ 1335.107611][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.107649][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.107677][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.107708][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.107760][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1335.107984][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1335.108452][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1335.108999][ T32] r5:00001000 r4:ea93d000 ** 1 printk messages dropped ** [ 1335.109098][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1335.137118][ T32] r4:8538c000 ** 4 printk messages dropped ** [ 1335.137321][ T32] Exception stack(0xeafedfb0 to 0xeafedff8) ** 7 printk messages dropped ** [ 1335.138145][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1335.138561][ T32] dd20: d90e2000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 9 printk messages dropped ** [ 1335.138975][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1335.153257][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 7 printk messages dropped ** [ 1335.153660][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1335.154033][ T32] INFO: task kworker/1:550:4463 blocked for more than 461 seconds. ** 2 printk messages dropped ** [ 1335.154126][ T32] task:kworker/1:550 state:D stack:0 pid:4463 tgid:4463 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.154340][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.154404][ T32] Call trace: [ 1335.154493][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.154555][ T32] r10:8291a684 r9:eaff5d84 r8:00000002 r7:60000113 r6:eaff5d8c r5:852a1800 [ 1335.154581][ T32] r4:852a1800 [ 1335.154605][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.154709][ T32] r5:852a1800 r4:8291a680 [ 1335.154739][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.154785][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.154863][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaff5e08 [ 1335.154894][ T32] r4:00000000 [ 1335.154917][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.155252][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.155360][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.155422][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537e080 [ 1335.155450][ T32] r4:00000000 [ 1335.155504][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.155566][ T32] r9:83018205 r8:852a1800 r7:00000000 r6:83018200 r5:00001000 r4:7f08b000 [ 1335.155592][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.155658][ T32] r5:00001000 r4:ea957000 [ 1335.155684][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.155729][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.155774][ T32] r5:8534ab8c r4:8534a800 [ 1335.155814][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.155870][ T32] r7:ddde2d80 r6:83018200 r5:8534ab8c r4:8538c080 [ 1335.155934][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.156070][ T32] r10:61c88647 r9:852a1800 r8:8538c0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.156199][ T32] r4:8538c080 [ 1335.156225][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.156277][ T32] r10:00000000 r9:8538c080 r8:80287e08 r7:eafede60 r6:85378c00 r5:852a1800 [ 1335.156331][ T32] r4:00000001 [ 1335.156432][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.156538][ T32] Exception stack(0xeaff5fb0 to 0xeaff5ff8) [ 1335.156576][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1335.156609][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.156638][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.156671][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.156754][ T32] r4:85373b80 [ 1335.157233][ T32] INFO: task kworker/1:550:4463 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.157273][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.157598][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.157651][ T32] Call trace: [ 1335.157684][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.157890][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.157976][ T32] r4:00000000 [ 1335.158004][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.158052][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.158084][ T32] dd20: d9647000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.158117][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.158264][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.158321][ T32] r5:800d0013 r4:80239bb0 ** 3 printk messages dropped ** [ 1335.159216][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1335.180492][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1335.180982][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1335.181251][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1335.181509][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.181913][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1335.182220][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1335.182459][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1335.182580][ T32] r7:ddde2d80 r6:83018200 r5:8534af8c r4:8538c100 ** 5 printk messages dropped ** [ 1335.182800][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1335.183005][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1335.184137][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 4 printk messages dropped ** [ 1335.184328][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 12 printk messages dropped ** [ 1335.184864][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1335.185293][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.185347][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.185393][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.185422][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.185453][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.185477][ T32] r4:84ab0640 [ 1335.185520][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.185554][ T32] INFO: task kworker/1:552:4468 blocked for more than 461 seconds. [ 1335.185586][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.185624][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.185658][ T32] task:kworker/1:552 state:D stack:0 pid:4468 tgid:4468 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.185707][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.185790][ T32] Call trace: [ 1335.185834][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.185889][ T32] r10:8291a684 r9:eaff1d84 r8:00000002 r7:60000113 r6:eaff1d8c r5:8530c800 [ 1335.185947][ T32] r4:8530c800 [ 1335.185974][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.186023][ T32] r5:8530c800 r4:8291a680 [ 1335.186072][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.186119][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.186223][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaff1e08 [ 1335.186253][ T32] r4:00000000 [ 1335.186274][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.186313][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.186372][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.186423][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537e400 [ 1335.186447][ T32] r4:00000000 [ 1335.186469][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.186516][ T32] r9:83018205 r8:8530c800 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1335.186546][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.186593][ T32] r5:00001000 r4:ea98d000 [ 1335.186616][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.186658][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.186702][ T32] r5:8534b38c r4:8534b000 [ 1335.186722][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.186770][ T32] r7:ddde2d80 r6:83018200 r5:8534b38c r4:8538c200 [ 1335.186792][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.186843][ T32] r10:61c88647 r9:8530c800 r8:8538c22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.186870][ T32] r4:8538c200 [ 1335.186890][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.186938][ T32] r10:00000000 r9:8538c200 r8:80287e08 r7:eafe9e60 r6:8538c280 r5:8530c800 [ 1335.186994][ T32] r4:00000001 [ 1335.187022][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.187092][ T32] Exception stack(0xeaff1fb0 to 0xeaff1ff8) [ 1335.187124][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.187155][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.187184][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.187235][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.187262][ T32] r4:8537e140 [ 1335.187573][ T32] INFO: task kworker/1:552:4468 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.187609][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.187669][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.187715][ T32] Call trace: [ 1335.187964][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.188055][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.188085][ T32] r4:00000000 [ 1335.188147][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.188199][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.188231][ T32] dd20: d9c67000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.188296][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.188328][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.188354][ T32] r5:800d0013 r4:80239bb0 [ 1335.188542][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.188622][ T32] r4:82ac21e4 [ 1335.188650][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.188701][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1335.188726][ T32] r4:e044ddc0 [ 1335.188748][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.188795][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1335.188819][ T32] r4:00000000 [ 1335.188859][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.188916][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1335.188940][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1335.189094][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1335.189341][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.213088][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.213279][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.213317][ T32] r4:84ab5800 [ 1335.213355][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.213422][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.213564][ T32] r4:00000001 [ 1335.213610][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.213831][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.213872][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.213905][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.213935][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.213967][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.214060][ T32] r4:84ab0640 [ 1335.214092][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.214149][ T32] INFO: task kworker/1:553:4469 blocked for more than 461 seconds. [ 1335.214196][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.214251][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.214322][ T32] task:kworker/1:553 state:D stack:0 pid:4469 tgid:4469 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.214400][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.214460][ T32] Call trace: [ 1335.214520][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.214587][ T32] r10:8291a684 r9:eb005d84 r8:00000002 r7:60000113 r6:eb005d8c r5:8530ec00 [ 1335.214613][ T32] r4:8530ec00 [ 1335.214635][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.214708][ T32] r5:8530ec00 r4:8291a680 [ 1335.214759][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.214808][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.214855][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb005e08 [ 1335.215001][ T32] r4:00000000 [ 1335.215027][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.215090][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.215137][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1335.215240][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1335.215409][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.215457][ T32] r5:00001000 r4:eaac7000 [ 1335.215479][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.215526][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.215575][ T32] r5:8534bb8c r4:8534b800 [ 1335.215597][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.215646][ T32] r7:ddde2d80 r6:83018200 r5:8534bb8c r4:8538c300 [ 1335.215693][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.215750][ T32] r10:61c88647 r9:8530ec00 r8:8538c32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.215776][ T32] r4:8538c300 [ 1335.215797][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.215869][ T32] r10:00000000 r9:8538c300 r8:80287e08 r7:eaff1e60 r6:8538c380 r5:8530ec00 [ 1335.215898][ T32] r4:00000001 [ 1335.215920][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.215983][ T32] Exception stack(0xeb005fb0 to 0xeb005ff8) [ 1335.216017][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1335.216049][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.216077][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.216108][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.216135][ T32] r4:8537e140 [ 1335.216646][ T32] INFO: task kworker/1:553:4469 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.216713][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.216783][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.216881][ T32] Call trace: [ 1335.216986][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.217055][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.217093][ T32] r4:00000000 [ 1335.217119][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.217277][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.217313][ T32] dd20: d9d58000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 3 printk messages dropped ** [ 1335.217542][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 13 printk messages dropped ** [ 1335.218274][ T32] r5:84a2438c r4:84a24000 ** 7 printk messages dropped ** [ 1335.218721][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1335.218885][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1335.219134][ T32] r4:84ab0640 [ 1335.219157][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.219187][ T32] INFO: task kworker/1:554:4471 blocked for more than 461 seconds. [ 1335.219221][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.219248][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.219272][ T32] task:kworker/1:554 state:D stack:0 pid:4471 tgid:4471 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.237579][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.237752][ T32] Call trace: [ 1335.237862][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.237965][ T32] r10:8291a684 r9:eaffdd84 r8:00000002 r7:60000113 r6:eaffdd8c r5:8530d400 [ 1335.237998][ T32] r4:8530d400 [ 1335.238024][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.238088][ T32] r5:8530d400 r4:8291a680 [ 1335.238117][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.238162][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.238209][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaffde08 [ 1335.238235][ T32] r4:00000000 [ 1335.238257][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.238322][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.238373][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.238486][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537e6c0 [ 1335.238518][ T32] r4:00000000 [ 1335.238541][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.238595][ T32] r9:83018205 r8:8530d400 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1335.238620][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.238667][ T32] r5:00001000 r4:eaaad000 [ 1335.238690][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.238733][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.238781][ T32] r5:8534b78c r4:8534b400 [ 1335.238803][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.238856][ T32] r7:ddde2d80 r6:83018200 r5:8534b78c r4:8538c400 [ 1335.238879][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.238930][ T32] r10:61c88647 r9:8530d400 r8:8538c42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.238955][ T32] r4:8538c400 [ 1335.238977][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.239029][ T32] r10:00000000 r9:8538c400 r8:80287e08 r7:eb005e60 r6:8538c480 r5:8530d400 [ 1335.239151][ T32] r4:00000001 [ 1335.239180][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.239224][ T32] Exception stack(0xeaffdfb0 to 0xeaffdff8) [ 1335.239307][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.239358][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.239473][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.249966][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.250029][ T32] r4:8537e540 [ 1335.250528][ T32] INFO: task kworker/1:554:4471 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.250580][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.250703][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.250784][ T32] Call trace: [ 1335.250824][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.250891][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.250919][ T32] r4:00000000 [ 1335.250958][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.251012][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.251051][ T32] dd20: da4c4000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.251086][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 2 printk messages dropped ** [ 1335.251168][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1335.252105][ T32] r5:00001000 r4:dfe3d000 ** 6 printk messages dropped ** [ 1335.252485][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1335.252794][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1335.253289][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.253730][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 12 printk messages dropped ** [ 1335.254273][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.254318][ T32] r5:8534bf8c r4:8534bc00 ** 2 printk messages dropped ** [ 1335.254452][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1335.254839][ T32] Exception stack(0xeb009fb0 to 0xeb009ff8) ** 6 printk messages dropped ** [ 1335.255383][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1335.255998][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1335.256226][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1335.256491][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1335.257028][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1335.257284][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1335.257611][ T32] INFO: task kworker/1:556:4475 blocked for more than 461 seconds. ** 3 printk messages dropped ** [ 1335.257877][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.257927][ T32] Call trace: [ 1335.257961][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.258012][ T32] r10:8291a684 r9:eb00dd84 r8:00000002 r7:60000113 r6:eb00dd8c r5:85318c00 [ 1335.258038][ T32] r4:85318c00 [ 1335.258060][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.258106][ T32] r5:85318c00 r4:8291a680 [ 1335.258128][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.258170][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.258215][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb00de08 [ 1335.258245][ T32] r4:00000000 [ 1335.258269][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.258336][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.258376][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.258427][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537eb80 [ 1335.258564][ T32] r4:00000000 [ 1335.258591][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.258642][ T32] r9:83018205 r8:85318c00 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 [ 1335.258665][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.258710][ T32] r5:00001000 r4:eab03000 [ 1335.258731][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.258772][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.258816][ T32] r5:8534c38c r4:8534c000 [ 1335.258837][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.258886][ T32] r7:ddde2d80 r6:83018200 r5:8534c38c r4:8538c600 [ 1335.258977][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.259067][ T32] r10:61c88647 r9:85318c00 r8:8538c62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.259165][ T32] r4:8538c600 [ 1335.259197][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.259247][ T32] r10:00000000 r9:8538c600 r8:80287e08 r7:eb009e60 r6:8538c680 r5:85318c00 [ 1335.259325][ T32] r4:00000001 [ 1335.259387][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.259522][ T32] Exception stack(0xeb00dfb0 to 0xeb00dff8) [ 1335.280749][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.280814][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.280913][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.280992][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.281024][ T32] r4:8537e640 [ 1335.281475][ T32] INFO: task kworker/1:556:4475 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.281519][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.281596][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.281665][ T32] Call trace: [ 1335.281784][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.281950][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.281982][ T32] r4:00000000 [ 1335.282005][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.282097][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.282138][ T32] dd20: da7d5000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.282174][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.282257][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.282288][ T32] r5:800d0013 r4:80239bb0 [ 1335.282345][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.282402][ T32] r4:82ac21e4 [ 1335.282452][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.282504][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1335.282529][ T32] r4:e044ddc0 [ 1335.282551][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.282596][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 1 printk messages dropped ** [ 1335.282676][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 7 printk messages dropped ** [ 1335.283069][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 6 printk messages dropped ** [ 1335.283323][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1335.283575][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1335.284036][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.284409][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1335.284604][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.284674][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.284723][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537ec80 [ 1335.284748][ T32] r4:00000000 [ 1335.284770][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.284819][ T32] r9:83018205 r8:85319800 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1335.284880][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.284931][ T32] r5:00001000 r4:eab3d000 [ 1335.284955][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.284997][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.285043][ T32] r5:8534c78c r4:8534c400 [ 1335.285091][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.285171][ T32] r7:ddde2d80 r6:83018200 r5:8534c78c r4:8538c700 [ 1335.285232][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.285289][ T32] r10:61c88647 r9:85319800 r8:8538c72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.285317][ T32] r4:8538c700 [ 1335.285343][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.285400][ T32] r10:00000000 r9:8538c700 r8:80287e08 r7:eb00de60 r6:8538c780 r5:85319800 [ 1335.285425][ T32] r4:00000001 [ 1335.285446][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.285485][ T32] Exception stack(0xeb011fb0 to 0xeb011ff8) [ 1335.285536][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.285572][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.285601][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.285632][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.285658][ T32] r4:8537ea00 [ 1335.285910][ T32] INFO: task kworker/1:557:4477 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.285973][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.286038][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.286087][ T32] Call trace: [ 1335.286141][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.286197][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.286222][ T32] r4:00000000 [ 1335.286242][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.286284][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.286313][ T32] dd20: da7d5000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.286374][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.286415][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.286485][ T32] r5:800d0013 r4:80239bb0 [ 1335.286513][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.286558][ T32] r4:82ac21e4 [ 1335.286579][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.286623][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1335.286649][ T32] r4:e044ddc0 [ 1335.286715][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.286765][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1335.286790][ T32] r4:00000000 [ 1335.286812][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.286861][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1335.286885][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.286928][ T32] r5:00001000 r4:dfe3d000 [ 1335.286989][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.287037][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.287085][ T32] r5:84a2438c r4:84a24000 [ 1335.287135][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.287218][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.287247][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.287300][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.287325][ T32] r4:84ab5800 [ 1335.287376][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.287436][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.287491][ T32] r4:00000001 [ 1335.287517][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.287572][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 2 printk messages dropped ** [ 1335.287735][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1335.288016][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1335.288388][ T32] r5:8531a400 r4:8291a680 ** 3 printk messages dropped ** [ 1335.288582][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.288723][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8538afc0 ** 6 printk messages dropped ** [ 1335.289052][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1335.289256][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1335.314552][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1335.314987][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1335.316319][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.316462][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1335.316842][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1335.317333][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1335.317533][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1335.317821][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 2 printk messages dropped ** [ 1335.317904][ T32] INFO: task kworker/1:559:4481 blocked for more than 461 seconds. [ 1335.317943][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.317979][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.318006][ T32] task:kworker/1:559 state:D stack:0 pid:4481 tgid:4481 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.318058][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.318104][ T32] Call trace: [ 1335.318137][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.318187][ T32] r10:8291a684 r9:eb001d84 r8:00000002 r7:60000113 r6:eb001d8c r5:8531bc00 [ 1335.318240][ T32] r4:8531bc00 [ 1335.318268][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.318344][ T32] r5:8531bc00 r4:8291a680 [ 1335.318389][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.318436][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.318510][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb001e08 [ 1335.318540][ T32] r4:00000000 [ 1335.318620][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.318718][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.318764][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.318810][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537ee40 [ 1335.318834][ T32] r4:00000000 [ 1335.318855][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.318903][ T32] r9:83018205 r8:8531bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f09b000 [ 1335.318926][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.318998][ T32] r5:00001000 r4:eab69000 [ 1335.319024][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.319088][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.319138][ T32] r5:8534cb8c r4:8534c800 [ 1335.319174][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.319230][ T32] r7:ddde2d80 r6:83018200 r5:8534cb8c r4:8538c900 [ 1335.319253][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.319439][ T32] r10:61c88647 r9:8531bc00 r8:8538c92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.338198][ T32] r4:8538c900 [ 1335.338284][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.338393][ T32] r10:00000000 r9:8538c900 r8:80287e08 r7:eb015e60 r6:8538c980 r5:8531bc00 [ 1335.338422][ T32] r4:00000001 [ 1335.338444][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.338515][ T32] Exception stack(0xeb001fb0 to 0xeb001ff8) [ 1335.338556][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.338619][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.338673][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.338708][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.338732][ T32] r4:8537ec00 [ 1335.339186][ T32] INFO: task kworker/1:559:4481 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.339228][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.342665][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.342775][ T32] Call trace: [ 1335.342818][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.342924][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.342968][ T32] r4:00000000 [ 1335.342997][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.343073][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.343112][ T32] dd20: daf41000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.343145][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.343172][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.343225][ T32] r5:800d0013 r4:80239bb0 [ 1335.343252][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.343300][ T32] r4:82ac21e4 [ 1335.343323][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.343382][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 4 printk messages dropped ** [ 1335.343566][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1335.344089][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1335.344426][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1335.344940][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.345330][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1335.345856][ T32] r5:00001000 r4:eac8b000 ** 1 printk messages dropped ** [ 1335.345925][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1335.346202][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1335.346588][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1335.347494][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.347687][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 6 printk messages dropped ** [ 1335.347953][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1335.348283][ T32] r5:00001000 r4:dfe3d000 ** 4 printk messages dropped ** [ 1335.348580][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.348612][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.348675][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.348701][ T32] r4:84ab5800 [ 1335.348722][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.348773][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.348797][ T32] r4:00000001 [ 1335.348818][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.348858][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.348889][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.348921][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.348982][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.349060][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.349090][ T32] r4:84ab0640 [ 1335.349140][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.349178][ T32] INFO: task kworker/1:561:4484 blocked for more than 461 seconds. [ 1335.349217][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.349285][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.370138][ T32] task:kworker/1:561 state:D stack:0 pid:4484 tgid:4484 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.370302][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.370582][ T32] Call trace: [ 1335.370682][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.370809][ T32] r10:8291a684 r9:eb021d84 r8:00000002 r7:60000013 r6:eb021d8c r5:849f1800 [ 1335.370881][ T32] r4:849f1800 [ 1335.370936][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.371031][ T32] r5:849f1800 r4:8291a680 [ 1335.371077][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.371192][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.371288][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb021e08 [ 1335.371343][ T32] r4:00000000 [ 1335.371384][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.371508][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.371635][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.371732][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8537be00 [ 1335.371787][ T32] r4:00000000 [ 1335.371834][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.372027][ T32] r9:83018205 r8:849f1800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1335.372112][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.372284][ T32] r5:00001000 r4:ead41000 [ 1335.372378][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.372471][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.372656][ T32] r5:8534d78c r4:8534d400 [ 1335.372714][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.372818][ T32] r7:ddde2d80 r6:83018200 r5:8534d78c r4:8538ca80 [ 1335.372874][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.372976][ T32] r10:61c88647 r9:849f1800 r8:8538caac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.373030][ T32] r4:8538ca80 [ 1335.373071][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.373276][ T32] r10:00000000 r9:8538ca80 r8:80287e08 r7:eb015e60 r6:85378d00 r5:849f1800 [ 1335.373383][ T32] r4:00000001 [ 1335.373466][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.373556][ T32] Exception stack(0xeb021fb0 to 0xeb021ff8) [ 1335.373639][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.373717][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.373773][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.373836][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.373953][ T32] r4:8537ed40 [ 1335.374703][ T32] INFO: task kworker/1:561:4484 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.374812][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.374950][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.375051][ T32] Call trace: [ 1335.375156][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.375302][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.375387][ T32] r4:00000000 [ 1335.375432][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.375520][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.375618][ T32] dd20: db10f000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.375705][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.375760][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.375815][ T32] r5:800d0013 r4:80239bb0 [ 1335.375864][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.375953][ T32] r4:82ac21e4 [ 1335.376002][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.376094][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1335.376143][ T32] r4:e044ddc0 [ 1335.376220][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.376332][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1335.376395][ T32] r4:00000000 [ 1335.376452][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.376580][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1335.376644][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.376772][ T32] r5:00001000 r4:dfe3d000 [ 1335.376828][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.376945][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.377039][ T32] r5:84a2438c r4:84a24000 [ 1335.377081][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.377181][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.377242][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.377368][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.377504][ T32] r4:84ab5800 [ 1335.377560][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.377684][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.377742][ T32] r4:00000001 [ 1335.377785][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.377862][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.377926][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.377984][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.378059][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.378126][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.378175][ T32] r4:84ab0640 [ 1335.378221][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.378282][ T32] INFO: task kworker/1:562:4487 blocked for more than 461 seconds. [ 1335.378387][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.378435][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.378459][ T32] task:kworker/1:562 state:D stack:0 pid:4487 tgid:4487 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.378635][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.378732][ T32] Call trace: [ 1335.378836][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.378943][ T32] r10:8291a684 r9:eb025d84 r8:00000002 r7:60000013 r6:eb025d8c r5:849f2400 [ 1335.378992][ T32] r4:849f2400 [ 1335.379043][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.379115][ T32] r5:849f2400 r4:8291a680 [ 1335.379158][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.409714][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.409947][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb025e08 [ 1335.410009][ T32] r4:00000000 [ 1335.410046][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.410119][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.410190][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.410305][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853971c0 [ 1335.410361][ T32] r4:00000000 [ 1335.410411][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.410547][ T32] r9:83018205 r8:849f2400 r7:00000000 r6:83018200 r5:00001000 r4:7f0c9000 [ 1335.410601][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.410707][ T32] r5:00001000 r4:ead91000 [ 1335.410803][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.410899][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.411015][ T32] r5:8534db8c r4:8534d800 [ 1335.411072][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.411178][ T32] r7:ddde2d80 r6:83018200 r5:8534db8c r4:8538cb00 [ 1335.411225][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.411375][ T32] r10:61c88647 r9:849f2400 r8:8538cb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.411435][ T32] r4:8538cb00 [ 1335.411511][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.411625][ T32] r10:00000000 r9:8538cb00 r8:80287e08 r7:eb021e60 r6:85378d80 r5:849f2400 [ 1335.411688][ T32] r4:00000001 [ 1335.411734][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.411822][ T32] Exception stack(0xeb025fb0 to 0xeb025ff8) [ 1335.411895][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1335.412121][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1335.413593][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1335.414242][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1335.414756][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1335.415544][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 5 printk messages dropped ** [ 1335.416013][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1335.416293][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.416918][ T32] task:kworker/1:563 state:D stack:0 pid:4490 tgid:4490 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1335.417583][ T32] r5:849f3c00 r4:8291a680 ** 3 printk messages dropped ** [ 1335.417877][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.418270][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85397340 ** 6 printk messages dropped ** [ 1335.418861][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1335.419320][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1335.460663][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1335.462006][ T32] Call trace: ** 5 printk messages dropped ** [ 1335.462523][ T32] dd20: dbacc000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 9 printk messages dropped ** [ 1335.463155][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 7 printk messages dropped ** [ 1335.463934][ T32] r5:84a2438c r4:84a24000 ** 3 printk messages dropped ** [ 1335.464276][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.464326][ T32] r4:84ab5800 [ 1335.464542][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.464679][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.464741][ T32] r4:00000001 [ 1335.464787][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.464939][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.465005][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.465073][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.465129][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.465211][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.465366][ T32] r4:84ab0640 [ 1335.465481][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.465551][ T32] INFO: task kworker/0:122:4492 blocked for more than 461 seconds. [ 1335.465627][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.465694][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.465742][ T32] task:kworker/0:122 state:D stack:0 pid:4492 tgid:4492 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.465845][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.465940][ T32] Call trace: [ 1335.466013][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.466114][ T32] r10:8291a684 r9:eb035d84 r8:00000002 r7:60000113 r6:eb035d8c r5:849f5400 [ 1335.466163][ T32] r4:849f5400 [ 1335.466212][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.466389][ T32] r5:849f5400 r4:8291a680 [ 1335.466468][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.466557][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.466660][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb035e08 [ 1335.466746][ T32] r4:00000000 [ 1335.466798][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.466889][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.466968][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.467065][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a7ec0 [ 1335.467114][ T32] r4:00000000 [ 1335.467164][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.467259][ T32] r9:83018005 r8:849f5400 r7:00000000 r6:83018000 r5:00001000 r4:7f08b000 [ 1335.467305][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.467396][ T32] r5:00001000 r4:eab15000 [ 1335.467448][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.467535][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.467672][ T32] r5:8510338c r4:85103000 [ 1335.467782][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.467906][ T32] r7:dddced80 r6:83018000 r5:8510338c r4:85378e80 [ 1335.467993][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.468096][ T32] r10:61c88647 r9:849f5400 r8:85378eac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1335.468186][ T32] r4:85378e80 [ 1335.468249][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.468349][ T32] r10:00000000 r9:85378e80 r8:80287e08 r7:eaf31e60 r6:85378f00 r5:849f5400 [ 1335.468405][ T32] r4:00000001 [ 1335.468447][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.468559][ T32] Exception stack(0xeb035fb0 to 0xeb035ff8) [ 1335.468615][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1335.468693][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.468758][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.468841][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.468898][ T32] r4:85394a00 [ 1335.483121][ T32] INFO: task kworker/0:122:4492 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.483358][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.483531][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.483712][ T32] Call trace: [ 1335.483796][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.483942][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.484017][ T32] r4:00000000 [ 1335.484096][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.484218][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.484317][ T32] dd20: dbacc000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.484389][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.484449][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.484547][ T32] r5:800d0013 r4:80239bb0 [ 1335.484640][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.484747][ T32] r4:82ac21e4 [ 1335.484799][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.484911][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1335.484971][ T32] r4:e044ddc0 [ 1335.485015][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.485189][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1335.485252][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1335.485489][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 9 printk messages dropped ** [ 1335.486503][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1335.487137][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1335.487771][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1335.488194][ T32] r4:849f3000 [ 1335.488249][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.488387][ T32] r5:849f3000 r4:8291a680 [ 1335.488454][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.488567][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.488668][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb039e08 [ 1335.488720][ T32] r4:00000000 [ 1335.488766][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.488840][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.488963][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.489077][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85397840 [ 1335.489140][ T32] r4:00000000 [ 1335.489204][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.511944][ T32] r9:83018205 r8:849f3000 r7:00000000 r6:83018200 r5:00001000 r4:7f00f000 [ 1335.512118][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.512359][ T32] r5:00001000 r4:df99f000 [ 1335.512419][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.512538][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.512728][ T32] r5:8534ef8c r4:8534ec00 [ 1335.512790][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.512895][ T32] r7:ddde2d80 r6:83018200 r5:8534ef8c r4:8538cc00 [ 1335.512955][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.513058][ T32] r10:61c88647 r9:849f3000 r8:8538cc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.513146][ T32] r4:8538cc00 [ 1335.513228][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.513376][ T32] r10:00000000 r9:8538cc00 r8:80287e08 r7:eb02de60 r6:85378f80 r5:849f3000 [ 1335.513465][ T32] r4:00000001 [ 1335.513520][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.513697][ T32] Exception stack(0xeb039fb0 to 0xeb039ff8) [ 1335.513773][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.513924][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.513988][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1335.514121][ T32] r4:85397140 ** 6 printk messages dropped ** [ 1335.515721][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1335.516206][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1335.517204][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1335.517927][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1335.518143][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1335.518546][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.518635][ T32] r4:84ab0640 [ 1335.518692][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.518751][ T32] INFO: task kworker/1:565:4495 blocked for more than 461 seconds. [ 1335.518820][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.518881][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.518923][ T32] task:kworker/1:565 state:D stack:0 pid:4495 tgid:4495 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.519093][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.519188][ T32] Call trace: [ 1335.539976][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.540156][ T32] r10:8291a684 r9:eb041d84 r8:00000002 r7:60000113 r6:eb041d8c r5:849f6c00 [ 1335.540218][ T32] r4:849f6c00 [ 1335.540302][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.540431][ T32] r5:849f6c00 r4:8291a680 [ 1335.540551][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.540651][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.540745][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb041e08 [ 1335.540828][ T32] r4:00000000 [ 1335.540901][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.541097][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.541189][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.541294][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85397440 [ 1335.541453][ T32] r4:00000000 [ 1335.541624][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.541754][ T32] r9:83018205 r8:849f6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0cd000 [ 1335.541819][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.541935][ T32] r5:00001000 r4:eade1000 [ 1335.541989][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.542080][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.542175][ T32] r5:8534e38c r4:8534e000 [ 1335.542218][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 4 printk messages dropped ** [ 1335.542647][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1335.544561][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1335.545560][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 4 printk messages dropped ** [ 1335.545906][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1335.546720][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1335.547419][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1335.547843][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1335.548855][ T32] r10:8291a684 r9:eb045d84 r8:00000002 r7:60000013 r6:eb045d8c r5:849f4800 ** 10 printk messages dropped ** [ 1335.580177][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85397580 ** 4 printk messages dropped ** [ 1335.580576][ T32] r5:00001000 r4:eadef000 [ 1335.580726][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.580824][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.580921][ T32] r5:8534e78c r4:8534e400 [ 1335.580993][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.581134][ T32] r7:ddde2d80 r6:83018200 r5:8534e78c r4:8538cd00 [ 1335.581191][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.581374][ T32] r10:61c88647 r9:849f4800 r8:8538cd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.581453][ T32] r4:8538cd00 [ 1335.581509][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.581610][ T32] r10:00000000 r9:8538cd00 r8:80287e08 r7:eb039e60 r6:853a5080 r5:849f4800 [ 1335.581666][ T32] r4:00000001 [ 1335.581745][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.581872][ T32] Exception stack(0xeb045fb0 to 0xeb045ff8) [ 1335.581969][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1335.582041][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.582103][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.582163][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.582217][ T32] r4:853974c0 [ 1335.582980][ T32] INFO: task kworker/1:566:4496 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.583077][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.583250][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.583357][ T32] Call trace: [ 1335.583432][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.583545][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.583640][ T32] r4:00000000 [ 1335.583718][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.583809][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.583873][ T32] dd20: dc317000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.583968][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.584032][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.584084][ T32] r5:800d0013 r4:80239bb0 [ 1335.584136][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.584228][ T32] r4:82ac21e4 [ 1335.584284][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.584414][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1335.584473][ T32] r4:e044ddc0 [ 1335.584553][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.584652][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1335.584705][ T32] r4:00000000 [ 1335.584756][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.584859][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1335.584925][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.585052][ T32] r5:00001000 r4:dfe3d000 [ 1335.585106][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.585228][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.585336][ T32] r5:84a2438c r4:84a24000 [ 1335.585434][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.585541][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.585614][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.585757][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.585852][ T32] r4:84ab5800 [ 1335.585902][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.586007][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.586057][ T32] r4:00000001 [ 1335.586171][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.586252][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.586329][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.586411][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.586474][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.586555][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.586619][ T32] r4:84ab0640 [ 1335.586683][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.586744][ T32] INFO: task kworker/1:567:4498 blocked for more than 462 seconds. [ 1335.586827][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.586887][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.586930][ T32] task:kworker/1:567 state:D stack:0 pid:4498 tgid:4498 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.587026][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.587159][ T32] Call trace: [ 1335.587230][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.587333][ T32] r10:8291a684 r9:eb04dd84 r8:00000002 r7:60000113 r6:eb04dd8c r5:849f6000 [ 1335.587391][ T32] r4:849f6000 [ 1335.587437][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.587528][ T32] r5:849f6000 r4:8291a680 [ 1335.587580][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.587674][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.587766][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb04de08 [ 1335.587816][ T32] r4:00000000 [ 1335.587881][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.587960][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.588035][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.588122][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853976c0 [ 1335.588189][ T32] r4:00000000 [ 1335.588241][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.588339][ T32] r9:83018205 r8:849f6000 r7:00000000 r6:83018200 r5:00001000 r4:7f0d1000 [ 1335.588426][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.588561][ T32] r5:00001000 r4:eae03000 [ 1335.588634][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.588725][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.588816][ T32] r5:8534eb8c r4:8534e800 [ 1335.588885][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.588988][ T32] r7:ddde2d80 r6:83018200 r5:8534eb8c r4:8538cd80 [ 1335.589034][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.589133][ T32] r10:61c88647 r9:849f6000 r8:8538cdac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.589187][ T32] r4:8538cd80 [ 1335.589231][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.589410][ T32] r10:00000000 r9:8538cd80 r8:80287e08 r7:eb039e60 r6:853a5100 r5:849f6000 [ 1335.622662][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1335.623263][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1335.624761][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 7 printk messages dropped ** [ 1335.625331][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1335.626232][ T32] r5:00001000 r4:dfe3d000 ** 6 printk messages dropped ** [ 1335.626779][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1335.627255][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1335.627687][ T32] r4:84ab0640 [ 1335.627730][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.627797][ T32] INFO: task kworker/1:568:4500 blocked for more than 462 seconds. [ 1335.627868][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.627922][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.627973][ T32] task:kworker/1:568 state:D stack:0 pid:4500 tgid:4500 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.628093][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.628189][ T32] Call trace: [ 1335.628304][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.628410][ T32] r10:8291a684 r9:eae79d84 r8:00000002 r7:60000013 r6:eae79d8c r5:852a6c00 [ 1335.628486][ T32] r4:852a6c00 [ 1335.628609][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.628731][ T32] r5:852a6c00 r4:8291a680 [ 1335.628791][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.628883][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.629007][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae79e08 [ 1335.629065][ T32] r4:00000000 [ 1335.629121][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.629205][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.649943][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.650109][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853977c0 [ 1335.650150][ T32] r4:00000000 [ 1335.650209][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.650345][ T32] r9:83018205 r8:852a6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f011000 [ 1335.650543][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.650778][ T32] r5:00001000 r4:df9fd000 [ 1335.650832][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.650923][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.651018][ T32] r5:8534f38c r4:8534f000 [ 1335.651067][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.651179][ T32] r7:ddde2d80 r6:83018200 r5:8534f38c r4:8538ce00 [ 1335.651227][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.651334][ T32] r10:61c88647 r9:852a6c00 r8:8538ce2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.651580][ T32] r4:8538ce00 [ 1335.651649][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.651831][ T32] r10:00000000 r9:8538ce00 r8:80287e08 r7:eb039e60 r6:853a5180 r5:852a6c00 [ 1335.651887][ T32] r4:00000001 [ 1335.652040][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.652127][ T32] Exception stack(0xeae79fb0 to 0xeae79ff8) [ 1335.652197][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.652264][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.652368][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.652435][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.652519][ T32] r4:85397540 [ 1335.653247][ T32] INFO: task kworker/1:568:4500 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.653330][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.653479][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.653593][ T32] Call trace: [ 1335.653669][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.653781][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.653835][ T32] r4:00000000 [ 1335.653909][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.654003][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.654072][ T32] dd20: dc78d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.654146][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.654218][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 4 printk messages dropped ** [ 1335.654565][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1335.655183][ T32] r5:00001000 r4:dfe3d000 ** 4 printk messages dropped ** [ 1335.655567][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 6 printk messages dropped ** [ 1335.656228][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1335.656752][ T32] r4:84ab0640 ** 3 printk messages dropped ** [ 1335.657048][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 5 printk messages dropped ** [ 1335.657750][ T32] r4:852fe000 ** 4 printk messages dropped ** [ 1335.658380][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaefde08 ** 6 printk messages dropped ** [ 1335.658963][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1335.690207][ T32] r5:8534ff8c r4:8534fc00 ** 3 printk messages dropped ** [ 1335.690552][ T32] r10:61c88647 r9:852fe000 r8:8538ceac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1335.691154][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.691276][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.691357][ T32] r4:85397240 [ 1335.692099][ T32] INFO: task kworker/1:569:4502 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.692192][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.692420][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.692550][ T32] Call trace: [ 1335.692629][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.692740][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.692789][ T32] r4:00000000 [ 1335.692837][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.692921][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.693011][ T32] dd20: dcc9b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.693078][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.693149][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.693202][ T32] r5:800d0013 r4:80239bb0 [ 1335.693253][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.693346][ T32] r4:82ac21e4 [ 1335.693389][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.693484][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1335.693545][ T32] r4:e044ddc0 [ 1335.693591][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.693690][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1335.693744][ T32] r4:00000000 [ 1335.693791][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.693889][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1335.693942][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.694031][ T32] r5:00001000 r4:dfe3d000 [ 1335.694095][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.694189][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.694280][ T32] r5:84a2438c r4:84a24000 [ 1335.694336][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.694470][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.694543][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.694645][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.694703][ T32] r4:84ab5800 [ 1335.694761][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.694882][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.694947][ T32] r4:00000001 [ 1335.695024][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.695117][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.695174][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.695236][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.695300][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.695370][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.695420][ T32] r4:84ab0640 [ 1335.695471][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.695550][ T32] INFO: task kworker/1:570:4504 blocked for more than 462 seconds. [ 1335.695631][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.695691][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.695736][ T32] task:kworker/1:570 state:D stack:0 pid:4504 tgid:4504 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.695835][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.696052][ T32] Call trace: [ 1335.696128][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.696229][ T32] r10:8291a684 r9:eaf15d84 r8:00000002 r7:60000013 r6:eaf15d8c r5:841b8c00 [ 1335.696285][ T32] r4:841b8c00 [ 1335.696328][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.696422][ T32] r5:841b8c00 r4:8291a680 [ 1335.696473][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.696580][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.696692][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf15e08 ** 2 printk messages dropped ** [ 1335.696888][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1335.697634][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.697764][ T32] r5:8534f78c r4:8534f400 [ 1335.698334][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1335.698666][ T32] r4:8538cf00 ** 6 printk messages dropped ** [ 1335.699203][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1335.731964][ T32] Call trace: ** 5 printk messages dropped ** [ 1335.732402][ T32] dd20: dd180000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 9 printk messages dropped ** [ 1335.733226][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 9 printk messages dropped ** [ 1335.734127][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 7 printk messages dropped ** [ 1335.734749][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1335.735189][ T32] INFO: task kworker/1:571:4506 blocked for more than 462 seconds. ** 10 printk messages dropped ** [ 1335.736157][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1335.736554][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.736633][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.736721][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85397c00 [ 1335.736799][ T32] r4:00000000 [ 1335.736849][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.736942][ T32] r9:83018205 r8:841b8000 r7:00000000 r6:83018200 r5:00001000 r4:7f02d000 [ 1335.736992][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.737081][ T32] r5:00001000 r4:dfaf9000 [ 1335.737145][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.737232][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.737335][ T32] r5:8534fb8c r4:8534f800 [ 1335.737406][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.737511][ T32] r7:ddde2d80 r6:83018200 r5:8534fb8c r4:8538cf80 [ 1335.737592][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.737692][ T32] r10:61c88647 r9:841b8000 r8:8538cfac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.737746][ T32] r4:8538cf80 [ 1335.737786][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.737878][ T32] r10:00000000 r9:8538cf80 r8:80287e08 r7:eaefde60 r6:853a5300 r5:841b8000 [ 1335.737949][ T32] r4:00000001 [ 1335.738017][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.738099][ T32] Exception stack(0xeaf3dfb0 to 0xeaf3dff8) [ 1335.738155][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.738226][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.738281][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.738376][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.738439][ T32] r4:85397b00 [ 1335.738846][ T32] INFO: task kworker/1:571:4506 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.738975][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.739101][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.739200][ T32] Call trace: [ 1335.739267][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.752326][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.752402][ T32] r4:00000000 [ 1335.752457][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.752596][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.752672][ T32] dd20: dd180000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.752740][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.752817][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.752907][ T32] r5:800d0013 r4:80239bb0 [ 1335.752958][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.753056][ T32] r4:82ac21e4 [ 1335.753112][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.753205][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1335.753271][ T32] r4:e044ddc0 [ 1335.753326][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.753436][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1335.753512][ T32] r4:00000000 [ 1335.753560][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.753659][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1335.753742][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.753847][ T32] r5:00001000 r4:dfe3d000 [ 1335.753930][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.754054][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.754150][ T32] r5:84a2438c r4:84a24000 [ 1335.754227][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.754334][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.754407][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.754545][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.754610][ T32] r4:84ab5800 [ 1335.754678][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.754782][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.754837][ T32] r4:00000001 [ 1335.754924][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.755003][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.755065][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.755168][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.755293][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.755375][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.755436][ T32] r4:84ab0640 [ 1335.755484][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.755548][ T32] INFO: task kworker/1:572:4509 blocked for more than 462 seconds. [ 1335.755615][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.755673][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.755725][ T32] task:kworker/1:572 state:D stack:0 pid:4509 tgid:4509 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.755898][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.755995][ T32] Call trace: [ 1335.756069][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.756170][ T32] r10:8291a684 r9:eb029d84 r8:00000002 r7:60000013 r6:eb029d8c r5:841ba400 [ 1335.756230][ T32] r4:841ba400 [ 1335.756287][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.756409][ T32] r5:841ba400 r4:8291a680 [ 1335.756464][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.756572][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.756665][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb029e08 [ 1335.756750][ T32] r4:00000000 [ 1335.756803][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.756879][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.756956][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.757047][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85397f00 [ 1335.757114][ T32] r4:00000000 [ 1335.757159][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.757338][ T32] r9:83018205 r8:841ba400 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 [ 1335.757413][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.757508][ T32] r5:00001000 r4:dfec7000 [ 1335.757557][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.757640][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.757735][ T32] r5:8535438c r4:85354000 [ 1335.757783][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1335.757962][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1335.758736][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1335.780568][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1335.781260][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1335.781653][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1335.782025][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 11 printk messages dropped ** [ 1335.783018][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1335.783711][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1335.784413][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.785188][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1335.786129][ T32] r5:00001000 r4:e0337000 ** 1 printk messages dropped ** [ 1335.786272][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.786381][ T32] r5:8535478c r4:85354400 [ 1335.786427][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.786529][ T32] r7:ddde2d80 r6:83018200 r5:8535478c r4:853ea080 [ 1335.786582][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.786694][ T32] r10:61c88647 r9:841bb000 r8:853ea0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.786749][ T32] r4:853ea080 [ 1335.786792][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.786908][ T32] r10:00000000 r9:853ea080 r8:80287e08 r7:eb029e60 r6:853a5400 r5:841bb000 [ 1335.786979][ T32] r4:00000001 [ 1335.787021][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.787126][ T32] Exception stack(0xeaf49fb0 to 0xeaf49ff8) [ 1335.787195][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.787259][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.787342][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.787413][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.787468][ T32] r4:85397d00 [ 1335.788072][ T32] INFO: task kworker/1:573:4512 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.788144][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.788334][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.788450][ T32] Call trace: [ 1335.788569][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.788683][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.788742][ T32] r4:00000000 [ 1335.788785][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.788872][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.788933][ T32] dd20: dd361000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.789005][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.789101][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.789160][ T32] r5:800d0013 r4:80239bb0 [ 1335.789235][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.818416][ T32] r4:82ac21e4 [ 1335.818627][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.818780][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1335.818839][ T32] r4:e044ddc0 [ 1335.818887][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.818985][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1335.819039][ T32] r4:00000000 [ 1335.819088][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.819210][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1335.830037][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.830229][ T32] r5:00001000 r4:dfe3d000 [ 1335.830260][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.830344][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.830413][ T32] r5:84a2438c r4:84a24000 [ 1335.830463][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.830548][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.830592][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.830689][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.830755][ T32] r4:84ab5800 [ 1335.830800][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.830903][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.830978][ T32] r4:00000001 [ 1335.831034][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.831117][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.831186][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.831251][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.831307][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.831403][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.831464][ T32] r4:84ab0640 [ 1335.831514][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.831586][ T32] INFO: task kworker/1:574:4514 blocked for more than 462 seconds. [ 1335.831654][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.831714][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.831761][ T32] task:kworker/1:574 state:D stack:0 pid:4514 tgid:4514 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.831886][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.832022][ T32] Call trace: [ 1335.832109][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.832219][ T32] r10:8291a684 r9:eaf61d84 r8:00000002 r7:60000013 r6:eaf61d8c r5:841bbc00 ** 8 printk messages dropped ** [ 1335.832941][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1335.833765][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1335.834671][ T32] r4:00000001 ** 8 printk messages dropped ** [ 1335.836442][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1335.838002][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1335.838769][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1335.875946][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1335.876716][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1335.877430][ T32] r4:841bc800 ** 3 printk messages dropped ** [ 1335.877746][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1335.878473][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853e9340 ** 6 printk messages dropped ** [ 1335.879057][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1335.884110][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1335.884906][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1335.886157][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.886775][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 6 printk messages dropped ** [ 1335.887241][ T32] r4:e044ddc0 ** 2 printk messages dropped ** [ 1335.887474][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.887771][ T32] r5:00001000 r4:dfe3d000 [ 1335.887845][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.887945][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.888067][ T32] r5:84a2438c r4:84a24000 [ 1335.888127][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.888241][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.888293][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.888395][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.888463][ T32] r4:84ab5800 [ 1335.888540][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.888649][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.888702][ T32] r4:00000001 [ 1335.888747][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.888824][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.888880][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.888940][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.888996][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.889060][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.889109][ T32] r4:84ab0640 [ 1335.889172][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.889240][ T32] INFO: task kworker/1:576:4518 blocked for more than 462 seconds. [ 1335.889467][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.915143][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.915254][ T32] task:kworker/1:576 state:D stack:0 pid:4518 tgid:4518 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.915439][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.915656][ T32] Call trace: [ 1335.915741][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.915867][ T32] r10:8291a684 r9:eaf75d84 r8:00000002 r7:60000113 r6:eaf75d8c r5:841bd400 [ 1335.915922][ T32] r4:841bd400 [ 1335.915969][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.916066][ T32] r5:841bd400 r4:8291a680 [ 1335.916117][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.916204][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.916299][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf75e08 [ 1335.916355][ T32] r4:00000000 [ 1335.916401][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.916479][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.916590][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.916684][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853e94c0 [ 1335.916770][ T32] r4:00000000 [ 1335.916819][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.916921][ T32] r9:83018205 r8:841bd400 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 [ 1335.917007][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.917103][ T32] r5:00001000 r4:e05d5000 [ 1335.917158][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.917257][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.917354][ T32] r5:8535538c r4:85355000 [ 1335.917399][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.917502][ T32] r7:ddde2d80 r6:83018200 r5:8535538c r4:853ea200 [ 1335.917577][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.917680][ T32] r10:61c88647 r9:841bd400 r8:853ea22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.917729][ T32] r4:853ea200 [ 1335.917779][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.917882][ T32] r10:00000000 r9:853ea200 r8:80287e08 r7:eaf69e60 r6:853a5580 r5:841bd400 [ 1335.917928][ T32] r4:00000001 [ 1335.917998][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.918115][ T32] Exception stack(0xeaf75fb0 to 0xeaf75ff8) [ 1335.918205][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1335.918271][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.918378][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.918440][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.918495][ T32] r4:853e9080 [ 1335.924230][ T32] INFO: task kworker/1:576:4518 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1335.924536][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.924700][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.924780][ T32] Call trace: [ 1335.924821][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.924889][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.924937][ T32] r4:00000000 [ 1335.924968][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 2 printk messages dropped ** [ 1335.925175][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 9 printk messages dropped ** [ 1335.925639][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1335.926035][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1335.926185][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.926209][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.926266][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.926302][ T32] r4:84ab5800 [ 1335.926356][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.926459][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.926492][ T32] r4:00000001 [ 1335.926518][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.926613][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.926658][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.926691][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.926721][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.926782][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.926818][ T32] r4:84ab0640 [ 1335.926873][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.926936][ T32] INFO: task kworker/1:577:4521 blocked for more than 462 seconds. [ 1335.926979][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.927025][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.927057][ T32] task:kworker/1:577 state:D stack:0 pid:4521 tgid:4521 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1335.927422][ T32] r10:8291a684 r9:eaf99d84 r8:00000002 r7:60000113 r6:eaf99d8c r5:841b9800 ** 8 printk messages dropped ** [ 1335.927815][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1335.928198][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.928248][ T32] r5:8535578c r4:85355400 ** 1 printk messages dropped ** [ 1335.928325][ T32] r7:ddde2d80 r6:83018200 r5:8535578c r4:853ea280 ** 4 printk messages dropped ** [ 1335.928636][ T32] r10:00000000 r9:853ea280 r8:80287e08 r7:eaf75e60 r6:853a5600 r5:841b9800 ** 9 printk messages dropped ** [ 1335.952798][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1335.953592][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1335.954081][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 6 printk messages dropped ** [ 1335.954349][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1335.954781][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 10 printk messages dropped ** [ 1335.956434][ T32] task:kworker/1:578 state:D stack:0 pid:4522 tgid:4522 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1335.958108][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.958429][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853e9880 ** 6 printk messages dropped ** [ 1335.958752][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1335.959175][ T32] r10:00000000 r9:853ea300 r8:80287e08 r7:eaf99e60 r6:853a5680 r5:849f0000 ** 7 printk messages dropped ** [ 1335.978988][ T32] r4:853e93c0 ** 1 printk messages dropped ** [ 1335.990288][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.990382][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.990636][ T32] Call trace: [ 1335.990683][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1335.990759][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1335.990875][ T32] r4:00000000 [ 1335.991089][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.991287][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1335.991329][ T32] dd20: de56d000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1335.991370][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1335.991403][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1335.991435][ T32] r5:800d0013 r4:80239bb0 [ 1335.991781][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.991834][ T32] r4:82ac21e4 [ 1335.991858][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.991905][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1335.992192][ T32] r4:e044ddc0 [ 1335.992220][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.992296][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1335.992370][ T32] r4:00000000 [ 1335.992397][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.992453][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1335.992478][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.992626][ T32] r5:00001000 r4:dfe3d000 [ 1335.992662][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.993054][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.993108][ T32] r5:84a2438c r4:84a24000 [ 1335.993133][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.993186][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1335.993209][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.993262][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.993294][ T32] r4:84ab5800 [ 1335.993319][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.993371][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1335.993397][ T32] r4:00000001 [ 1335.993420][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.993459][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1335.993489][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.993520][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.993551][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.993583][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1335.993626][ T32] r4:84ab0640 [ 1335.993814][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.993854][ T32] INFO: task kworker/1:579:4523 blocked for more than 462 seconds. [ 1335.993894][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1335.993922][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.993945][ T32] task:kworker/1:579 state:D stack:0 pid:4523 tgid:4523 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.994303][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.994537][ T32] Call trace: [ 1335.994594][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1335.995530][ T32] r10:8291a684 r9:eafb1d84 r8:00000002 r7:60000113 r6:eafb1d8c r5:841be000 [ 1335.995562][ T32] r4:841be000 [ 1335.995590][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1335.995647][ T32] r5:841be000 r4:8291a680 [ 1335.995671][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.995715][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.995768][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafb1e08 [ 1335.996119][ T32] r4:00000000 [ 1335.996147][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1335.996334][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1335.996378][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1335.996531][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853e9780 [ 1335.996573][ T32] r4:00000000 [ 1335.996597][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1335.997270][ T32] r9:83018205 r8:841be000 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000 [ 1335.997353][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1335.997678][ T32] r5:00001000 r4:e46a7000 [ 1335.997800][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1335.997966][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.998156][ T32] r5:85355b8c r4:85355800 [ 1335.998184][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1335.998470][ T32] r7:ddde2d80 r6:83018200 r5:85355b8c r4:853ea380 [ 1335.998500][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1335.998635][ T32] r10:61c88647 r9:841be000 r8:853ea3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.998667][ T32] r4:853ea380 [ 1335.998690][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1335.999191][ T32] r10:00000000 r9:853ea380 r8:80287e08 r7:eafa5e60 r6:853a5700 r5:841be000 [ 1335.999221][ T32] r4:00000001 [ 1335.999339][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.014978][ T32] Exception stack(0xeafb1fb0 to 0xeafb1ff8) [ 1336.015056][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1336.015253][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1336.016571][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1336.016807][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1336.017559][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 11 printk messages dropped ** [ 1336.019206][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1336.033287][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1336.033690][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.033719][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.034278][ T32] task:kworker/1:580 state:D stack:0 pid:4526 tgid:4526 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.034379][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.035371][ T32] Call trace: [ 1336.035415][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.035479][ T32] r10:8291a684 r9:eafc9d84 r8:00000002 r7:60000113 r6:eafc9d8c r5:852b0c00 [ 1336.035508][ T32] r4:852b0c00 [ 1336.035530][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.035577][ T32] r5:852b0c00 r4:8291a680 [ 1336.035599][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.036131][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.036185][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafc9e08 [ 1336.036211][ T32] r4:00000000 [ 1336.036232][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.036271][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.036313][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.036364][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853e9b40 [ 1336.036480][ T32] r4:00000000 [ 1336.036538][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.037033][ T32] r9:83018205 r8:852b0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f045000 [ 1336.037066][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.037116][ T32] r5:00001000 r4:ea7a1000 [ 1336.037362][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.037415][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.037478][ T32] r5:8535678c r4:85356400 [ 1336.037507][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.037561][ T32] r7:ddde2d80 r6:83018200 r5:8535678c r4:853ea400 [ 1336.037585][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.037642][ T32] r10:61c88647 r9:852b0c00 r8:853ea42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.037670][ T32] r4:853ea400 [ 1336.037691][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.037741][ T32] r10:00000000 r9:853ea400 r8:80287e08 r7:eafa5e60 r6:853a5780 r5:852b0c00 [ 1336.037767][ T32] r4:00000001 [ 1336.037787][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.037839][ T32] Exception stack(0xeafc9fb0 to 0xeafc9ff8) [ 1336.037873][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.037962][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.037998][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.038063][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.038091][ T32] r4:853e9680 [ 1336.038632][ T32] INFO: task kworker/1:580:4526 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.038680][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.038748][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.038858][ T32] Call trace: [ 1336.038915][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.038973][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.038999][ T32] r4:00000000 [ 1336.039020][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.039062][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.039094][ T32] dd20: de8df000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1336.039126][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.039154][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.039194][ T32] r5:800d0013 r4:80239bb0 [ 1336.039325][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.066295][ T32] r4:82ac21e4 [ 1336.066373][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 3 printk messages dropped ** [ 1336.066559][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1336.066584][ T32] r4:00000000 [ 1336.066606][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.066673][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1336.066701][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.066760][ T32] r5:00001000 r4:dfe3d000 [ 1336.066785][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.066857][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.066916][ T32] r5:84a2438c r4:84a24000 [ 1336.066942][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.066998][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1336.067053][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.067112][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.067138][ T32] r4:84ab5800 [ 1336.067161][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.067211][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.067236][ T32] r4:00000001 [ 1336.067317][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.067392][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.067431][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.067463][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.067523][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.067642][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.067679][ T32] r4:84ab0640 [ 1336.067730][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.067770][ T32] INFO: task kworker/1:581:4527 blocked for more than 462 seconds. [ 1336.067850][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.067939][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.067969][ T32] task:kworker/1:581 state:D stack:0 pid:4527 tgid:4527 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.068065][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.068180][ T32] Call trace: [ 1336.068280][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.068414][ T32] r10:8291a684 r9:eb051d84 r8:00000002 r7:60000113 r6:eb051d8c r5:852b1800 [ 1336.068446][ T32] r4:852b1800 [ 1336.068469][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.068542][ T32] r5:852b1800 r4:8291a680 [ 1336.068567][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.068611][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.068738][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb051e08 [ 1336.068844][ T32] r4:00000000 [ 1336.068871][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.069028][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.069149][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.069238][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853e9a00 ** 6 printk messages dropped ** [ 1336.079203][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.079319][ T32] r5:8535638c r4:85356000 [ 1336.079780][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1336.079970][ T32] r10:61c88647 r9:852b1800 r8:853ea4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1336.080328][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1336.081337][ T32] Call trace: ** 5 printk messages dropped ** [ 1336.081781][ T32] dd20: deb95000 dfe11000 00000001 80239b98 7f19b000 00000001 ** 6 printk messages dropped ** [ 1336.082069][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1336.082486][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1336.082877][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1336.083170][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1336.083603][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1336.084235][ T32] r4:8531d400 [ 1336.084259][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.084378][ T32] r5:8531d400 r4:8291a680 [ 1336.084409][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.084452][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.084524][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf29e08 [ 1336.084553][ T32] r4:00000000 [ 1336.084716][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.084764][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.084804][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.084849][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853e9c40 [ 1336.084893][ T32] r4:00000000 [ 1336.084920][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.084977][ T32] r9:83018205 r8:8531d400 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1336.085035][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.085087][ T32] r5:00001000 r4:ea9c7000 [ 1336.085110][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.085153][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.085198][ T32] r5:85356b8c r4:85356800 [ 1336.085220][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.085299][ T32] r7:ddde2d80 r6:83018200 r5:85356b8c r4:853ea500 [ 1336.085327][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.085394][ T32] r10:61c88647 r9:8531d400 r8:853ea52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.085425][ T32] r4:853ea500 [ 1336.085447][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.085509][ T32] r10:00000000 r9:853ea500 r8:80287e08 r7:eafc9e60 r6:853ea580 r5:8531d400 [ 1336.085539][ T32] r4:00000001 [ 1336.085561][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.085602][ T32] Exception stack(0xeaf29fb0 to 0xeaf29ff8) [ 1336.085637][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.085672][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.085701][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.085733][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.085865][ T32] r4:853e9940 [ 1336.086281][ T32] INFO: task kworker/1:582:4530 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.086335][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.086426][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.086534][ T32] Call trace: [ 1336.086605][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.086673][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.086712][ T32] r4:00000000 [ 1336.087069][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.087317][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.087353][ T32] dd20: deb95000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1336.087416][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.087466][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.087751][ T32] r5:800d0013 r4:80239bb0 [ 1336.087781][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.087828][ T32] r4:82ac21e4 [ 1336.088269][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.088377][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.088416][ T32] r4:e044ddc0 [ 1336.088439][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.088488][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1336.088638][ T32] r4:00000000 [ 1336.088667][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.088761][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1336.088791][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.088870][ T32] r5:00001000 r4:dfe3d000 [ 1336.088903][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.088975][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.089031][ T32] r5:84a2438c r4:84a24000 [ 1336.089083][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.089168][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1336.089198][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.113395][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.113559][ T32] r4:84ab5800 [ 1336.113622][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.113785][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.113818][ T32] r4:00000001 [ 1336.113842][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.113908][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.114007][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1336.114166][ T32] r4:84ab0640 ** 11 printk messages dropped ** [ 1336.114808][ T32] r5:8531ec00 r4:8291a680 ** 7 printk messages dropped ** [ 1336.115134][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853e9e00 ** 6 printk messages dropped ** [ 1336.115367][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1336.115760][ T32] r4:00000001 ** 8 printk messages dropped ** [ 1336.116690][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 18 printk messages dropped ** [ 1336.117536][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1336.117969][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 ** 10 printk messages dropped ** [ 1336.118497][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 13 printk messages dropped ** [ 1336.119175][ T32] r5:8531e000 r4:8291a680 ** 7 printk messages dropped ** [ 1336.138331][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853e9f40 ** 3 printk messages dropped ** [ 1336.138530][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.138614][ T32] r5:00001000 r4:ea9fb000 [ 1336.138688][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.138759][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.138811][ T32] r5:8535738c r4:85357000 [ 1336.138834][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.138892][ T32] r7:ddde2d80 r6:83018200 r5:8535738c r4:853ea700 [ 1336.138915][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.139000][ T32] r10:61c88647 r9:8531e000 r8:853ea72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.139031][ T32] r4:853ea700 [ 1336.139059][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.139112][ T32] r10:00000000 r9:853ea700 r8:80287e08 r7:eb019e60 r6:853ea780 r5:8531e000 [ 1336.139137][ T32] r4:00000001 [ 1336.139159][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.139201][ T32] Exception stack(0xeb055fb0 to 0xeb055ff8) [ 1336.139315][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.150856][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.150934][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.151050][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.151090][ T32] r4:853e9dc0 [ 1336.151653][ T32] INFO: task kworker/1:584:4535 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.151710][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.151802][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.152006][ T32] Call trace: [ 1336.152234][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.152371][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.152410][ T32] r4:00000000 [ 1336.152436][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.152488][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.152555][ T32] dd20: df31b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1336.152593][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.152624][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.152748][ T32] r5:800d0013 r4:80239bb0 [ 1336.152779][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.152830][ T32] r4:82ac21e4 [ 1336.152880][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.152933][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.152959][ T32] r4:e044ddc0 [ 1336.152981][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.153027][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1336.153051][ T32] r4:00000000 [ 1336.153132][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.153190][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 ** 3 printk messages dropped ** [ 1336.153425][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 14 printk messages dropped ** [ 1336.154079][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 16 printk messages dropped ** [ 1336.154846][ T32] r4:00000000 ** 10 printk messages dropped ** [ 1336.155551][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1336.156103][ T32] Exception stack(0xeb059fb0 to 0xeb059ff8) ** 2 printk messages dropped ** [ 1336.156272][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.156327][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.156384][ T32] r4:853e9dc0 [ 1336.156698][ T32] INFO: task kworker/1:585:4536 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.156740][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.156886][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.156951][ T32] Call trace: [ 1336.157024][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.157084][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.157275][ T32] r4:00000000 [ 1336.157361][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.157413][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.157444][ T32] dd20: df31b000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1336.157499][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.157559][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.157595][ T32] r5:800d0013 r4:80239bb0 [ 1336.157622][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.157679][ T32] r4:82ac21e4 [ 1336.157703][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.157750][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.157792][ T32] r4:e044ddc0 [ 1336.157821][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.157950][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1336.157980][ T32] r4:00000000 [ 1336.158058][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.158113][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1336.158138][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.158271][ T32] r5:00001000 r4:dfe3d000 [ 1336.158332][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.158469][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.158521][ T32] r5:84a2438c r4:84a24000 [ 1336.158544][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.158595][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1336.158619][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1336.158773][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 16 printk messages dropped ** [ 1336.183365][ T32] r10:8291a684 r9:eb069d84 r8:00000002 r7:60000113 r6:eb069d8c r5:8531b000 ** 15 printk messages dropped ** [ 1336.184263][ T32] r5:00001000 r4:eaa1d000 ** 2 printk messages dropped ** [ 1336.184383][ T32] r5:8535778c r4:85357400 ** 4 printk messages dropped ** [ 1336.184662][ T32] r4:853ea900 ** 7 printk messages dropped ** [ 1336.184965][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 13 printk messages dropped ** [ 1336.186087][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1336.186378][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 ** 12 printk messages dropped ** [ 1336.186992][ T32] r4:84ab5800 [ 1336.187045][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.187101][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.187132][ T32] r4:00000001 [ 1336.187155][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.187195][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.187239][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.187274][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.187303][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.187396][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.187424][ T32] r4:84ab0640 [ 1336.187449][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.187485][ T32] INFO: task kworker/1:587:4540 blocked for more than 462 seconds. [ 1336.187531][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.187562][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.187635][ T32] task:kworker/1:587 state:D stack:0 pid:4540 tgid:4540 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.187729][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.187929][ T32] Call trace: [ 1336.187968][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.188083][ T32] r10:8291a684 r9:eb06dd84 r8:00000002 r7:60000013 r6:eb06dd8c r5:85321800 [ 1336.188115][ T32] r4:85321800 [ 1336.188207][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.188277][ T32] r5:85321800 r4:8291a680 [ 1336.188334][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.188386][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.188462][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb06de08 [ 1336.188492][ T32] r4:00000000 [ 1336.188546][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.188589][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.188672][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.188723][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853f5500 [ 1336.188806][ T32] r4:00000000 [ 1336.188833][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.188887][ T32] r9:83018205 r8:85321800 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 [ 1336.188997][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.189107][ T32] r5:00001000 r4:eaa43000 [ 1336.189227][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.189278][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.201639][ T32] r5:85357f8c r4:85357c00 [ 1336.201804][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.201897][ T32] r7:ddde2d80 r6:83018200 r5:85357f8c r4:853eaa00 [ 1336.201924][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.202035][ T32] r10:61c88647 r9:85321800 r8:853eaa2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.202110][ T32] r4:853eaa00 [ 1336.202158][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.202217][ T32] r10:00000000 r9:853eaa00 r8:80287e08 r7:eb059e60 r6:853eaa80 r5:85321800 [ 1336.202245][ T32] r4:00000001 [ 1336.202267][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.202309][ T32] Exception stack(0xeb06dfb0 to 0xeb06dff8) [ 1336.202343][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.202375][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.202404][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.202437][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.202462][ T32] r4:853f5180 [ 1336.202943][ T32] INFO: task kworker/1:587:4540 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.202987][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.203103][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.203197][ T32] Call trace: [ 1336.203281][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.203374][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.203410][ T32] r4:00000000 [ 1336.203433][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.203479][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.203510][ T32] dd20: df6f4000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1336.203544][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.203601][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.203640][ T32] r5:800d0013 r4:80239bb0 [ 1336.203665][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.203720][ T32] r4:82ac21e4 [ 1336.203746][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.203793][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.203819][ T32] r4:e044ddc0 [ 1336.203851][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.203902][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1336.203928][ T32] r4:00000000 [ 1336.203958][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.204013][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1336.204039][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.204085][ T32] r5:00001000 r4:dfe3d000 [ 1336.204140][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1336.204333][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1336.204914][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1336.205169][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1336.205430][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1336.205882][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb071e08 ** 9 printk messages dropped ** [ 1336.206270][ T32] r5:00001000 r4:eac47000 ** 2 printk messages dropped ** [ 1336.206442][ T32] r5:8535c78c r4:8535c400 ** 4 printk messages dropped ** [ 1336.206669][ T32] r4:853eab00 ** 6 printk messages dropped ** [ 1336.206888][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1336.207551][ T32] Call trace: ** 7 printk messages dropped ** [ 1336.207975][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1336.208198][ T32] r4:e044ddc0 ** 7 printk messages dropped ** [ 1336.208550][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 9 printk messages dropped ** [ 1336.209076][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1336.209227][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1336.240952][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1336.241549][ T32] r5:85323000 r4:8291a680 ** 3 printk messages dropped ** [ 1336.241821][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1336.242374][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853f5700 [ 1336.242406][ T32] r4:00000000 [ 1336.242430][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.242486][ T32] r9:83018205 r8:85323000 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 [ 1336.242511][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.242560][ T32] r5:00001000 r4:eac31000 [ 1336.242583][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.242628][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.242698][ T32] r5:8535c38c r4:8535c000 [ 1336.242756][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.242815][ T32] r7:ddde2d80 r6:83018200 r5:8535c38c r4:853eac00 [ 1336.242866][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.242924][ T32] r10:61c88647 r9:85323000 r8:853eac2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.242976][ T32] r4:853eac00 [ 1336.243003][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.243055][ T32] r10:00000000 r9:853eac00 r8:80287e08 r7:eb071e60 r6:853eac80 r5:85323000 [ 1336.243186][ T32] r4:00000001 [ 1336.243213][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.243258][ T32] Exception stack(0xeb075fb0 to 0xeb075ff8) [ 1336.243290][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.243322][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.243351][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.243391][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.243445][ T32] r4:853f5580 [ 1336.243921][ T32] INFO: task kworker/1:589:4544 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.243962][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.244028][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.244217][ T32] Call trace: [ 1336.244255][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.244313][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.244339][ T32] r4:00000000 [ 1336.244361][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.244411][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.244443][ T32] dd20: dfae9000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1336.244475][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.244541][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.244759][ T32] r5:800d0013 r4:80239bb0 [ 1336.244787][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.244833][ T32] r4:82ac21e4 [ 1336.244855][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.244900][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.244926][ T32] r4:e044ddc0 [ 1336.244949][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.244993][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1336.245017][ T32] r4:00000000 [ 1336.245052][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.245107][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1336.245236][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.245355][ T32] r5:00001000 r4:dfe3d000 [ 1336.245472][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.245522][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.245571][ T32] r5:84a2438c r4:84a24000 [ 1336.245681][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.245763][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1336.245794][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.245877][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.245907][ T32] r4:84ab5800 [ 1336.245929][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.245980][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.246066][ T32] r4:00000001 [ 1336.246092][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.246132][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.246162][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.246248][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.246281][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.246312][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 3 printk messages dropped ** [ 1336.246522][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 5 printk messages dropped ** [ 1336.246802][ T32] r10:8291a684 r9:eb079d84 r8:00000002 r7:60000113 r6:eb079d8c r5:85323c00 ** 5 printk messages dropped ** [ 1336.247038][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb079e08 ** 4 printk messages dropped ** [ 1336.247239][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853f5b00 [ 1336.247292][ T32] r4:00000000 [ 1336.247331][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.247392][ T32] r9:83018205 r8:85323c00 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1336.247418][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.247492][ T32] r5:00001000 r4:eac57000 [ 1336.247519][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.247564][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.247609][ T32] r5:8535cb8c r4:8535c800 [ 1336.247630][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.247678][ T32] r7:ddde2d80 r6:83018200 r5:8535cb8c r4:853ead00 [ 1336.247702][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.247769][ T32] r10:61c88647 r9:85323c00 r8:853ead2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.247816][ T32] r4:853ead00 [ 1336.247841][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.247892][ T32] r10:00000000 r9:853ead00 r8:80287e08 r7:eb071e60 r6:853ead80 r5:85323c00 [ 1336.247916][ T32] r4:00000001 [ 1336.247937][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.248002][ T32] Exception stack(0xeb079fb0 to 0xeb079ff8) [ 1336.248064][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.248106][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.248164][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.248200][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.248224][ T32] r4:853f5780 [ 1336.248533][ T32] INFO: task kworker/1:590:4546 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.248581][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.248644][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.248692][ T32] Call trace: [ 1336.248793][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.248852][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.248907][ T32] r4:00000000 [ 1336.248934][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.248981][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.249012][ T32] dd20: dfae9000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1336.249044][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.249072][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.249097][ T32] r5:800d0013 r4:80239bb0 [ 1336.249118][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.249179][ T32] r4:82ac21e4 [ 1336.249213][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.249263][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.249400][ T32] r4:e044ddc0 [ 1336.277637][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.277756][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1336.277788][ T32] r4:00000000 [ 1336.277811][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.277913][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1336.277944][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.277996][ T32] r5:00001000 r4:dfe3d000 [ 1336.278022][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.278109][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.278162][ T32] r5:84a2438c r4:84a24000 [ 1336.278198][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.278256][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1336.278314][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.278372][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.278411][ T32] r4:84ab5800 [ 1336.278437][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.278489][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.278529][ T32] r4:00000001 [ 1336.278555][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.278597][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.278637][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.278671][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.278699][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.278729][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.278753][ T32] r4:84ab0640 [ 1336.278777][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.278829][ T32] INFO: task kworker/1:591:4548 blocked for more than 462 seconds. [ 1336.278867][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.278895][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.278921][ T32] task:kworker/1:591 state:D stack:0 pid:4548 tgid:4548 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1336.279334][ T32] r4:85320c00 ** 7 printk messages dropped ** [ 1336.283403][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1336.283909][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1336.284405][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 1 printk messages dropped ** [ 1336.284519][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.284614][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.284652][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.284687][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.284738][ T32] r4:853f5980 [ 1336.285192][ T32] INFO: task kworker/1:591:4548 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.285261][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.285338][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.285388][ T32] Call trace: [ 1336.285484][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.285545][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.285589][ T32] r4:00000000 [ 1336.285643][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.285693][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.285726][ T32] dd20: dfdd8000 dfe11000 00000001 80239b98 7f19b000 00000001 [ 1336.285759][ T32] dd40: 82ac15a0 7f19b000 dfe11000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.285786][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.285813][ T32] r5:800d0013 r4:80239bb0 [ 1336.285836][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.285879][ T32] r4:82ac21e4 [ 1336.285901][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.285973][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.286003][ T32] r4:e044ddc0 [ 1336.286026][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.286073][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ab0040 [ 1336.286124][ T32] r4:00000000 [ 1336.286158][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.286208][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1336.286231][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.286283][ T32] r5:00001000 r4:dfe3d000 [ 1336.286308][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.286351][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.286451][ T32] r5:84a2438c r4:84a24000 [ 1336.286478][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.286560][ T32] r7:ddde2d80 r6:83018200 r5:84a2438c r4:84ab5800 [ 1336.286588][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.286651][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.286680][ T32] r4:84ab5800 [ 1336.286700][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.286749][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.286773][ T32] r4:00000001 [ 1336.286794][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.286833][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.286861][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.286891][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.286993][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.287030][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.287055][ T32] r4:84ab0640 ** 2 printk messages dropped ** [ 1336.287229][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1336.287615][ T32] r4:85324800 ** 4 printk messages dropped ** [ 1336.287816][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb07de08 ** 7 printk messages dropped ** [ 1336.288259][ T32] r9:83018205 r8:85324800 r7:00000000 r6:83018200 r5:00001000 r4:7f05b000 ** 4 printk messages dropped ** [ 1336.288460][ T32] r5:8535d38c r4:8535d000 [ 1336.288626][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1336.288831][ T32] r4:853eaf00 ** 5 printk messages dropped ** [ 1336.289058][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1336.289144][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.289180][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.289284][ T32] r4:853f5a00 [ 1336.310626][ T32] INFO: task kworker/1:592:4550 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.310712][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.310898][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.311008][ T32] Call trace: [ 1336.311083][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.311167][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.311197][ T32] r4:00000000 [ 1336.311222][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.311294][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.311364][ T32] dd20: 7f3b9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.311434][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.311643][ T32] dd60: 80230ad0 80239bb0 900d0013 ffffffff [ 1336.311679][ T32] r5:900d0013 r4:80239bb0 [ 1336.311707][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 5 printk messages dropped ** [ 1336.312126][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1336.312716][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1336.313017][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1336.313291][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1336.313627][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1336.313983][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1336.314315][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853f5f00 ** 7 printk messages dropped ** [ 1336.314700][ T32] r5:8535d78c r4:8535d400 [ 1336.314727][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1336.314832][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 5 printk messages dropped ** [ 1336.315182][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 6 printk messages dropped ** [ 1336.315780][ T32] INFO: task kworker/1:593:4553 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 7 printk messages dropped ** [ 1336.316277][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1336.316638][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1336.316871][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 8 printk messages dropped ** [ 1336.317412][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1336.317920][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1336.318492][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1336.318917][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 1 printk messages dropped ** [ 1336.319004][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb08de08 [ 1336.319030][ T32] r4:00000000 [ 1336.319051][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.319087][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.319152][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.319293][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85397e40 [ 1336.340703][ T32] r4:00000000 [ 1336.340763][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.340852][ T32] r9:83018205 r8:852b2400 r7:00000000 r6:83018200 r5:00001000 r4:7f05f000 [ 1336.340882][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.340938][ T32] r5:00001000 r4:eae39000 [ 1336.340961][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.341007][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.341058][ T32] r5:8535db8c r4:8535d800 [ 1336.341082][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.341137][ T32] r7:ddde2d80 r6:83018200 r5:8535db8c r4:853f9100 [ 1336.341199][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.341263][ T32] r10:61c88647 r9:852b2400 r8:853f912c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.341301][ T32] r4:853f9100 [ 1336.341350][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.341497][ T32] r10:00000000 r9:853f9100 r8:80287e08 r7:eb081e60 r6:853a5880 r5:852b2400 [ 1336.341534][ T32] r4:00000001 [ 1336.341560][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.341735][ T32] Exception stack(0xeb08dfb0 to 0xeb08dff8) [ 1336.341780][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.341816][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.341845][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.341884][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.341911][ T32] r4:853f5c40 [ 1336.342414][ T32] INFO: task kworker/1:594:4554 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.342465][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.342552][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.342606][ T32] Call trace: [ 1336.342652][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.342712][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.342741][ T32] r4:00000000 [ 1336.342766][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.342809][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.342872][ T32] dd20: 7f579000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.342913][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.342960][ T32] dd60: 80230ad0 80239bb0 900d0013 ffffffff [ 1336.343095][ T32] r5:900d0013 r4:80239bb0 [ 1336.343126][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.343205][ T32] r4:82ac21e4 [ 1336.343233][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.343303][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.343333][ T32] r4:e044ddc0 [ 1336.343356][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.343404][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.343428][ T32] r4:00000000 [ 1336.343450][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.343516][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.343546][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.343597][ T32] r5:00001000 r4:ed353000 [ 1336.343620][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.343670][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.343717][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.343740][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.343808][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.343838][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.343918][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.343951][ T32] r4:84ab5800 [ 1336.343973][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.344025][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.344050][ T32] r4:00000001 [ 1336.344071][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.344108][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.344137][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.344168][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.344197][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.344229][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.344255][ T32] r4:84ab0640 [ 1336.344278][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.344311][ T32] INFO: task kworker/1:595:4557 blocked for more than 462 seconds. [ 1336.344350][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.344378][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.344401][ T32] task:kworker/1:595 state:D stack:0 pid:4557 tgid:4557 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.344451][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.344646][ T32] Call trace: [ 1336.344778][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.344834][ T32] r10:8291a684 r9:eb099d84 r8:00000002 r7:60000113 r6:eb099d8c r5:852b4800 ** 4 printk messages dropped ** [ 1336.345141][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1336.345434][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1336.345555][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.345601][ T32] r5:00001000 r4:eae6b000 [ 1336.345641][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.345695][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.345767][ T32] r5:8535df8c r4:8535dc00 [ 1336.345870][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.345997][ T32] r7:ddde2d80 r6:83018200 r5:8535df8c r4:853f9180 [ 1336.346031][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.346112][ T32] r10:61c88647 r9:852b4800 r8:853f91ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.346142][ T32] r4:853f9180 [ 1336.346191][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.346303][ T32] r10:00000000 r9:853f9180 r8:80287e08 r7:eb08de60 r6:853a5900 r5:852b4800 [ 1336.346422][ T32] r4:00000001 [ 1336.346447][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.346515][ T32] Exception stack(0xeb099fb0 to 0xeb099ff8) [ 1336.346549][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.346582][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.346610][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.346671][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.346704][ T32] r4:853f5f40 [ 1336.346980][ T32] INFO: task kworker/1:595:4557 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.347026][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.347094][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.347143][ T32] Call trace: [ 1336.347195][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.347252][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.347306][ T32] r4:00000000 [ 1336.347332][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.347377][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.347408][ T32] dd20: 7f579000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 2 printk messages dropped ** [ 1336.347636][ T32] r5:900d0013 r4:80239bb0 [ 1336.347664][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.347710][ T32] r4:82ac21e4 [ 1336.347733][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.347781][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.347806][ T32] r4:e044ddc0 [ 1336.347827][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.347870][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.347893][ T32] r4:00000000 [ 1336.347916][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.347966][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.347990][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.348061][ T32] r5:00001000 r4:ed353000 [ 1336.348107][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.348186][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.348238][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.348261][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.348312][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.348335][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.348416][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.348447][ T32] r4:84ab5800 [ 1336.348468][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.348544][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.348570][ T32] r4:00000001 [ 1336.348590][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.348636][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.348666][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.348697][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.348725][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.348756][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.348780][ T32] r4:84ab0640 [ 1336.348803][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.348831][ T32] INFO: task kworker/1:596:4558 blocked for more than 462 seconds. [ 1336.348862][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.348888][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.348912][ T32] task:kworker/1:596 state:D stack:0 pid:4558 tgid:4558 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.348961][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.349025][ T32] Call trace: [ 1336.349080][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.349136][ T32] r10:8291a684 r9:eb09dd84 r8:00000002 r7:60000113 r6:eb09dd8c r5:852b6000 [ 1336.349174][ T32] r4:852b6000 [ 1336.349202][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.349344][ T32] r5:852b6000 r4:8291a680 [ 1336.374061][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.374207][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.374348][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb09de08 [ 1336.374473][ T32] r4:00000000 [ 1336.374501][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.374544][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.374623][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.374706][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85402980 [ 1336.374783][ T32] r4:00000000 [ 1336.374918][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.375041][ T32] r9:83018205 r8:852b6000 r7:00000000 r6:83018200 r5:00001000 r4:7f0ad000 [ 1336.375161][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.375223][ T32] r5:00001000 r4:eaf39000 [ 1336.375247][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.375291][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.375339][ T32] r5:8535fb8c r4:8535f800 [ 1336.375385][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.375463][ T32] r7:ddde2d80 r6:83018200 r5:8535fb8c r4:853f9200 [ 1336.375520][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.375647][ T32] r10:61c88647 r9:852b6000 r8:853f922c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.375679][ T32] r4:853f9200 [ 1336.375702][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.375775][ T32] r10:00000000 r9:853f9200 r8:80287e08 r7:eb099e60 r6:853a5980 r5:852b6000 [ 1336.375805][ T32] r4:00000001 [ 1336.376264][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.376366][ T32] Exception stack(0xeb09dfb0 to 0xeb09dff8) [ 1336.376435][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.376473][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.376523][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.376560][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.376586][ T32] r4:853f5f80 [ 1336.377067][ T32] INFO: task kworker/1:596:4558 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.377141][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.377259][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.377314][ T32] Call trace: [ 1336.377372][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.377431][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.377458][ T32] r4:00000000 [ 1336.377480][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.377537][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.377573][ T32] dd20: 7f825000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.377626][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.377668][ T32] dd60: 80230ad0 80239bb0 900d0013 ffffffff [ 1336.377696][ T32] r5:900d0013 r4:80239bb0 [ 1336.377720][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.377792][ T32] r4:82ac21e4 [ 1336.377820][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.377895][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.377925][ T32] r4:e044ddc0 [ 1336.377948][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.377994][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.378045][ T32] r4:00000000 [ 1336.378074][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.378127][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.378151][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.378279][ T32] r5:00001000 r4:ed353000 [ 1336.378366][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.378417][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.378466][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.378516][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.378574][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.378717][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.378776][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.378802][ T32] r4:84ab5800 [ 1336.378825][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.378876][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.378901][ T32] r4:00000001 [ 1336.378945][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.378991][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.379020][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.379056][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.379088][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.379173][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.379203][ T32] r4:84ab0640 [ 1336.379227][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.379353][ T32] INFO: task kworker/1:597:4560 blocked for more than 462 seconds. [ 1336.397300][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.397371][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.397409][ T32] task:kworker/1:597 state:D stack:0 pid:4560 tgid:4560 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.397486][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.397622][ T32] Call trace: [ 1336.397673][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.397742][ T32] r10:8291a684 r9:eb0a5d84 r8:00000002 r7:60000113 r6:eb0a5d8c r5:852b3000 [ 1336.397782][ T32] r4:852b3000 [ 1336.397833][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.397887][ T32] r5:852b3000 r4:8291a680 [ 1336.397911][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.397983][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.398036][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0a5e08 [ 1336.398062][ T32] r4:00000000 [ 1336.398084][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.398121][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.398163][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.398238][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85402140 [ 1336.398268][ T32] r4:00000000 [ 1336.398338][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.398425][ T32] r9:83018205 r8:852b3000 r7:00000000 r6:83018200 r5:00001000 r4:7f063000 [ 1336.398456][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.398506][ T32] r5:00001000 r4:eae87000 [ 1336.398530][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.398575][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.398639][ T32] r5:8535e38c r4:8535e000 [ 1336.398667][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.398722][ T32] r7:ddde2d80 r6:83018200 r5:8535e38c r4:853f9280 [ 1336.398773][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1336.398870][ T32] r4:853f9280 ** 6 printk messages dropped ** [ 1336.413836][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1336.414938][ T32] Call trace: ** 4 printk messages dropped ** [ 1336.415160][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 6 printk messages dropped ** [ 1336.415606][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1336.416455][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1336.417627][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1336.417833][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1336.418605][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1336.419118][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1336.440315][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1336.440719][ T32] r5:8535e78c r4:8535e400 ** 1 printk messages dropped ** [ 1336.440813][ T32] r7:ddde2d80 r6:83018200 r5:8535e78c r4:853f9300 ** 5 printk messages dropped ** [ 1336.441130][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1336.441424][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1336.442331][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1336.442525][ T32] dd60: 80230ad0 80239bb0 900d0013 ffffffff ** 7 printk messages dropped ** [ 1336.442830][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 3 printk messages dropped ** [ 1336.442948][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.442993][ T32] r5:00001000 r4:ed353000 [ 1336.443040][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.443090][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.443150][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.443189][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.443272][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.443300][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.443355][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.443381][ T32] r4:84ab5800 [ 1336.443401][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.443450][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.443475][ T32] r4:00000001 [ 1336.443524][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.443568][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.443597][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.443627][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.443724][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.443762][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.443788][ T32] r4:84ab0640 [ 1336.443816][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.443852][ T32] INFO: task kworker/1:599:4564 blocked for more than 462 seconds. [ 1336.443893][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.443946][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.443977][ T32] task:kworker/1:599 state:D stack:0 pid:4564 tgid:4564 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.444046][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.444093][ T32] Call trace: [ 1336.444126][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.444176][ T32] r10:8291a684 r9:eb0b5d84 r8:00000002 r7:60000013 r6:eb0b5d8c r5:852b6c00 [ 1336.444200][ T32] r4:852b6c00 [ 1336.444310][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.444376][ T32] r5:852b6c00 r4:8291a680 [ 1336.444404][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.444450][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.444537][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0b5e08 [ 1336.444567][ T32] r4:00000000 [ 1336.444590][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.444635][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.444796][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.444847][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85402440 [ 1336.444896][ T32] r4:00000000 [ 1336.444923][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.444975][ T32] r9:83018205 r8:852b6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1336.445000][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.445044][ T32] r5:00001000 r4:eaea7000 [ 1336.445065][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.445106][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.445152][ T32] r5:8535eb8c r4:8535e800 [ 1336.445173][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.445222][ T32] r7:ddde2d80 r6:83018200 r5:8535eb8c r4:853f9380 [ 1336.445245][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.445295][ T32] r10:61c88647 r9:852b6c00 r8:853f93ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.445319][ T32] r4:853f9380 [ 1336.445340][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.445387][ T32] r10:00000000 r9:853f9380 r8:80287e08 r7:eb09de60 r6:853a5b00 r5:852b6c00 [ 1336.445411][ T32] r4:00000001 [ 1336.445431][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.445468][ T32] Exception stack(0xeb0b5fb0 to 0xeb0b5ff8) [ 1336.445496][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.445556][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.445591][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.445624][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.445749][ T32] r4:854021c0 [ 1336.446057][ T32] INFO: task kworker/1:599:4564 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.446097][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.446277][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.446333][ T32] Call trace: [ 1336.446450][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.446545][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.446588][ T32] r4:00000000 [ 1336.446627][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.446685][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.446741][ T32] dd20: 7ff65000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.446778][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 3 printk messages dropped ** [ 1336.446934][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1336.447092][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 8 printk messages dropped ** [ 1336.447457][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1336.447879][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1336.448167][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1336.448404][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1336.448759][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.448823][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.448873][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0b9e08 [ 1336.448930][ T32] r4:00000000 [ 1336.448955][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.449018][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.449062][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.449107][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85402580 [ 1336.449255][ T32] r4:00000000 [ 1336.449339][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.463794][ T32] r9:83018205 r8:852b3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a7000 [ 1336.463913][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.464010][ T32] r5:00001000 r4:eaed7000 [ 1336.464076][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.464128][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.464178][ T32] r5:8535ef8c r4:8535ec00 [ 1336.464200][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.464310][ T32] r7:ddde2d80 r6:83018200 r5:8535ef8c r4:853f9400 [ 1336.464340][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.464395][ T32] r10:61c88647 r9:852b3c00 r8:853f942c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.464420][ T32] r4:853f9400 [ 1336.464442][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.464493][ T32] r10:00000000 r9:853f9400 r8:80287e08 r7:eb09de60 r6:853a5b80 r5:852b3c00 [ 1336.464544][ T32] r4:00000001 [ 1336.464568][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.464636][ T32] Exception stack(0xeb0b9fb0 to 0xeb0b9ff8) [ 1336.464754][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.464864][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.464984][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.465021][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.465046][ T32] r4:85402240 [ 1336.465790][ T32] INFO: task kworker/1:600:4565 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.465837][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.465919][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.465971][ T32] Call trace: [ 1336.466008][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.466065][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.466090][ T32] r4:00000000 [ 1336.466113][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.466213][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.466248][ T32] dd20: 7ff65000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.466280][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.466335][ T32] dd60: 80230ad0 80239bb0 900d0013 ffffffff [ 1336.466370][ T32] r5:900d0013 r4:80239bb0 [ 1336.466395][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.466442][ T32] r4:82ac21e4 [ 1336.466465][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.466510][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.466535][ T32] r4:e044ddc0 [ 1336.466556][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.466600][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.466623][ T32] r4:00000000 [ 1336.466651][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.466704][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.466754][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.466806][ T32] r5:00001000 r4:ed353000 [ 1336.466830][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.466961][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.467039][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.467090][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.467146][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.467170][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.467221][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.467246][ T32] r4:84ab5800 [ 1336.467280][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.467335][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.467361][ T32] r4:00000001 [ 1336.467382][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.467421][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.467451][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.467497][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.467545][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.467577][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.467634][ T32] r4:84ab0640 [ 1336.467663][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.467697][ T32] INFO: task kworker/1:601:4567 blocked for more than 462 seconds. [ 1336.467761][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.467794][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.467818][ T32] task:kworker/1:601 state:D stack:0 pid:4567 tgid:4567 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.467868][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.467994][ T32] Call trace: [ 1336.468085][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 1 printk messages dropped ** [ 1336.468208][ T32] r4:85326000 ** 4 printk messages dropped ** [ 1336.468416][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb089e08 ** 10 printk messages dropped ** [ 1336.468886][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1336.469021][ T32] r5:8535f38c r4:8535f000 ** 3 printk messages dropped ** [ 1336.469173][ T32] r10:61c88647 r9:85326000 r8:853f94ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 11 printk messages dropped ** [ 1336.501444][ T32] INFO: task kworker/1:601:4567 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 8 printk messages dropped ** [ 1336.502000][ T32] dd20: 80487000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.502064][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.502097][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.502139][ T32] r5:800d0013 r4:80239bb0 [ 1336.502168][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.502219][ T32] r4:82ac21e4 [ 1336.502242][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.502290][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.502368][ T32] r4:e044ddc0 [ 1336.502402][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.502492][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.502522][ T32] r4:00000000 [ 1336.502547][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.502635][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.502666][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.502716][ T32] r5:00001000 r4:ed353000 [ 1336.502741][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.503106][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.503160][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.503184][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.503236][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.503260][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.503312][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.503337][ T32] r4:84ab5800 [ 1336.503375][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.503433][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.503510][ T32] r4:00000001 [ 1336.503536][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.503576][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.503605][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.503642][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.503725][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.503768][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.503795][ T32] r4:84ab0640 [ 1336.503946][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.504064][ T32] INFO: task kworker/1:602:4570 blocked for more than 462 seconds. [ 1336.504110][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.504141][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.504167][ T32] task:kworker/1:602 state:D stack:0 pid:4570 tgid:4570 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.504270][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.504323][ T32] Call trace: [ 1336.504517][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.504578][ T32] r10:8291a684 r9:eb0c1d84 r8:00000002 r7:60000113 r6:eb0c1d8c r5:85326c00 [ 1336.504604][ T32] r4:85326c00 [ 1336.504627][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.504697][ T32] r5:85326c00 r4:8291a680 [ 1336.504724][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.504770][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 1 printk messages dropped ** [ 1336.504841][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1336.504979][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85402800 ** 7 printk messages dropped ** [ 1336.505435][ T32] r5:8535f78c r4:8535f400 [ 1336.505456][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1336.505604][ T32] r10:61c88647 r9:85326c00 r8:853f95ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1336.505919][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.505975][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.506020][ T32] r4:85402740 [ 1336.506290][ T32] INFO: task kworker/1:602:4570 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.506330][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.506443][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.506522][ T32] Call trace: [ 1336.506655][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.506726][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.506767][ T32] r4:00000000 [ 1336.506790][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.506834][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.506864][ T32] dd20: 80487000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.506896][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.506923][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.506948][ T32] r5:800d0013 r4:80239bb0 [ 1336.506969][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.507012][ T32] r4:82ac21e4 [ 1336.507034][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.507080][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.507106][ T32] r4:e044ddc0 [ 1336.507126][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.507170][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.507194][ T32] r4:00000000 [ 1336.507215][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.507264][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.507287][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.507331][ T32] r5:00001000 r4:ed353000 [ 1336.507353][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.507414][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.507465][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.507489][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.507541][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.507634][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.507691][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.507717][ T32] r4:84ab5800 [ 1336.507776][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.507831][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.507857][ T32] r4:00000001 [ 1336.507879][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.507918][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.507946][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.507976][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.508003][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.508049][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.508078][ T32] r4:84ab0640 [ 1336.508099][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.508128][ T32] INFO: task kworker/1:603:4573 blocked for more than 462 seconds. [ 1336.508156][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.508276][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.508474][ T32] task:kworker/1:603 state:D stack:0 pid:4573 tgid:4573 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.508552][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.508692][ T32] Call trace: [ 1336.508731][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 4 printk messages dropped ** [ 1336.509008][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 14 printk messages dropped ** [ 1336.530927][ T32] r5:8536438c r4:85364000 ** 1 printk messages dropped ** [ 1336.531017][ T32] r7:ddde2d80 r6:83018200 r5:8536438c r4:853f9680 ** 9 printk messages dropped ** [ 1336.531544][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 14 printk messages dropped ** [ 1336.532982][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 11 printk messages dropped ** [ 1336.533394][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1336.533798][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1336.534011][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1336.534430][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1336.534907][ T32] r5:85328000 r4:8291a680 ** 3 printk messages dropped ** [ 1336.535124][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1336.535410][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1336.535679][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1336.535838][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 5 printk messages dropped ** [ 1336.536249][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 6 printk messages dropped ** [ 1336.536830][ T32] INFO: task kworker/1:604:4574 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.536873][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.536950][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.537004][ T32] Call trace: [ 1336.537038][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.537095][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.537120][ T32] r4:00000000 [ 1336.537173][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.537282][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.537343][ T32] dd20: 807ee000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.537405][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.537437][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.537464][ T32] r5:800d0013 r4:80239bb0 [ 1336.537487][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.537534][ T32] r4:82ac21e4 [ 1336.537556][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.537604][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.537633][ T32] r4:e044ddc0 [ 1336.537656][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.537833][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.537865][ T32] r4:00000000 [ 1336.537931][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.538048][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.538097][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.538149][ T32] r5:00001000 r4:ed353000 [ 1336.538173][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.538260][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.538342][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.538396][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.538481][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.538550][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.538608][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.538668][ T32] r4:84ab5800 [ 1336.538731][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.538790][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.538816][ T32] r4:00000001 [ 1336.538837][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.538877][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.538906][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.538937][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.539010][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.539050][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.539182][ T32] r4:84ab0640 [ 1336.539210][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.539330][ T32] INFO: task kworker/1:605:4577 blocked for more than 462 seconds. [ 1336.566134][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.566196][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.566228][ T32] task:kworker/1:605 state:D stack:0 pid:4577 tgid:4577 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.566304][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.566505][ T32] Call trace: [ 1336.566552][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.566635][ T32] r10:8291a684 r9:eb0cdd84 r8:00000002 r7:60000013 r6:eb0cdd8c r5:85328c00 [ 1336.566679][ T32] r4:85328c00 [ 1336.566703][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.566753][ T32] r5:85328c00 r4:8291a680 [ 1336.566778][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.566821][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.566866][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0cde08 [ 1336.566918][ T32] r4:00000000 [ 1336.566950][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.567033][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.567088][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.567301][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85402dc0 [ 1336.567445][ T32] r4:00000000 [ 1336.567472][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.567559][ T32] r9:83018205 r8:85328c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 [ 1336.567642][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1336.568095][ T32] r5:8536478c r4:85364400 [ 1336.568150][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1336.568340][ T32] r10:61c88647 r9:85328c00 r8:853f98ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1336.568976][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.569013][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.569039][ T32] r4:85402bc0 [ 1336.576379][ T32] INFO: task kworker/1:605:4577 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.576587][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.576737][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.576828][ T32] Call trace: [ 1336.576890][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.576958][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.576985][ T32] r4:00000000 [ 1336.577008][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.577056][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.577089][ T32] dd20: 80a9c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.577122][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.577149][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.577174][ T32] r5:800d0013 r4:80239bb0 [ 1336.577196][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.577242][ T32] r4:82ac21e4 [ 1336.577265][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.577311][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 8 printk messages dropped ** [ 1336.577700][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1336.578224][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1336.578526][ T32] r4:84ab0640 ** 8 printk messages dropped ** [ 1336.579165][ T32] r10:8291a684 r9:eb085d84 r8:00000002 r7:60000113 r6:eb085d8c r5:85329800 ** 8 printk messages dropped ** [ 1336.590238][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1336.590687][ T32] r5:85364b8c r4:85364800 [ 1336.590717][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1336.590802][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1336.591172][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1336.592124][ T32] Call trace: ** 5 printk messages dropped ** [ 1336.592365][ T32] dd20: 80be7000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1336.593157][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 2 printk messages dropped ** [ 1336.593255][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.593280][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.593325][ T32] r5:00001000 r4:ed353000 [ 1336.593347][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.593390][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.593436][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.593458][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.593508][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.593531][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.593583][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.593626][ T32] r4:84ab5800 [ 1336.593656][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.593710][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.593735][ T32] r4:00000001 [ 1336.593756][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.593795][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.593823][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.593854][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.593883][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.593914][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.593940][ T32] r4:84ab0640 [ 1336.593962][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.593996][ T32] INFO: task kworker/1:607:4580 blocked for more than 463 seconds. [ 1336.594034][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.594199][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.594229][ T32] task:kworker/1:607 state:D stack:0 pid:4580 tgid:4580 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.594282][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.594329][ T32] Call trace: [ 1336.594379][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.594436][ T32] r10:8291a684 r9:eb0d9d84 r8:00000002 r7:60000113 r6:eb0d9d8c r5:8532a400 [ 1336.594462][ T32] r4:8532a400 [ 1336.594484][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.594549][ T32] r5:8532a400 r4:8291a680 [ 1336.594596][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.594649][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.594699][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0d9e08 [ 1336.594723][ T32] r4:00000000 [ 1336.594743][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.594821][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.594944][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.594994][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853ef280 [ 1336.595065][ T32] r4:00000000 [ 1336.595093][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.595144][ T32] r9:83018205 r8:8532a400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b7000 [ 1336.595264][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.595324][ T32] r5:00001000 r4:eb0e1000 [ 1336.595347][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.595414][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.595491][ T32] r5:85364f8c r4:85364c00 [ 1336.595535][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.595594][ T32] r7:ddde2d80 r6:83018200 r5:85364f8c r4:853f9a80 [ 1336.595618][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.595679][ T32] r10:61c88647 r9:8532a400 r8:853f9aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.595705][ T32] r4:853f9a80 [ 1336.595726][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.595774][ T32] r10:00000000 r9:853f9a80 r8:80287e08 r7:eb085e60 r6:853f9b00 r5:8532a400 [ 1336.595812][ T32] r4:00000001 [ 1336.595836][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.595877][ T32] Exception stack(0xeb0d9fb0 to 0xeb0d9ff8) [ 1336.595907][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.595938][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.595967][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.595998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 1 printk messages dropped ** [ 1336.596338][ T32] INFO: task kworker/1:607:4580 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 8 printk messages dropped ** [ 1336.597221][ T32] dd20: 80be7000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 5 printk messages dropped ** [ 1336.597523][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.597576][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.597601][ T32] r4:e044ddc0 [ 1336.597624][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.597685][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.597794][ T32] r4:00000000 [ 1336.597822][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.597876][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.597930][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.597985][ T32] r5:00001000 r4:ed353000 [ 1336.598017][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.598078][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.598125][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.598147][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.598215][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.598244][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.598325][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.598518][ T32] r4:84ab5800 [ 1336.598546][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.598600][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.598625][ T32] r4:00000001 [ 1336.598673][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.598747][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.598809][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.598845][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.598965][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.599004][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.599088][ T32] r4:84ab0640 [ 1336.599205][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.599241][ T32] INFO: task kworker/1:608:4583 blocked for more than 463 seconds. [ 1336.599277][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.599381][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.633652][ T32] task:kworker/1:608 state:D stack:0 pid:4583 tgid:4583 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.633772][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.633862][ T32] Call trace: [ 1336.633916][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.633982][ T32] r10:8291a684 r9:eb0e5d84 r8:00000002 r7:60000013 r6:eb0e5d8c r5:8532b000 ** 2 printk messages dropped ** [ 1336.634079][ T32] r5:8532b000 r4:8291a680 ** 5 printk messages dropped ** [ 1336.634295][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1336.634713][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.634760][ T32] r5:8536578c r4:85365400 ** 1 printk messages dropped ** [ 1336.634840][ T32] r7:ddde2d80 r6:83018200 r5:8536578c r4:853f9b80 ** 4 printk messages dropped ** [ 1336.635084][ T32] r10:00000000 r9:853f9b80 r8:80287e08 r7:eb0d9e60 r6:853f9c00 r5:8532b000 ** 11 printk messages dropped ** [ 1336.636077][ T32] Call trace: ** 5 printk messages dropped ** [ 1336.636471][ T32] dd20: 810dc000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1336.636920][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1336.637259][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1336.637626][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1336.638177][ T32] INFO: task kworker/1:609:4584 blocked for more than 463 seconds. ** 9 printk messages dropped ** [ 1336.638742][ T32] r5:85428000 r4:8291a680 ** 3 printk messages dropped ** [ 1336.638873][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1336.639008][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853efe40 ** 7 printk messages dropped ** [ 1336.653088][ T32] r5:8536538c r4:85365000 ** 2 printk messages dropped ** [ 1336.653430][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1336.653825][ T32] r4:00000001 [ 1336.653872][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.653923][ T32] Exception stack(0xeb101fb0 to 0xeb101ff8) [ 1336.653987][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1336.654031][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.654106][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.654158][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.654186][ T32] r4:853ef300 [ 1336.654772][ T32] INFO: task kworker/1:609:4584 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.654818][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.655221][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.655285][ T32] Call trace: [ 1336.655637][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.655705][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.655914][ T32] r4:00000000 [ 1336.655942][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.655993][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.656024][ T32] dd20: 810dc000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.656056][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.656085][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.656111][ T32] r5:800d0013 r4:80239bb0 [ 1336.656133][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.656180][ T32] r4:82ac21e4 [ 1336.656202][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.656249][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.656274][ T32] r4:e044ddc0 [ 1336.656296][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.656340][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.656364][ T32] r4:00000000 [ 1336.656385][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.656474][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.656566][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.656625][ T32] r5:00001000 r4:ed353000 [ 1336.656654][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.656699][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.656763][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.656790][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.656842][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.656867][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.656918][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.657142][ T32] r4:84ab5800 [ 1336.657212][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.657298][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.657328][ T32] r4:00000001 [ 1336.657623][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.657733][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.657839][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.657938][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.657972][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.658032][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.658062][ T32] r4:84ab0640 [ 1336.658086][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.658247][ T32] INFO: task kworker/1:610:4586 blocked for more than 463 seconds. [ 1336.658323][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.658382][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.658412][ T32] task:kworker/1:610 state:D stack:0 pid:4586 tgid:4586 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.658557][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.658705][ T32] Call trace: [ 1336.658740][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.658793][ T32] r10:8291a684 r9:eb119d84 r8:00000002 r7:60000013 r6:eb119d8c r5:85429800 [ 1336.658819][ T32] r4:85429800 [ 1336.659083][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.659195][ T32] r5:85429800 r4:8291a680 [ 1336.659223][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.659268][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1336.680816][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1336.681173][ T32] r5:85365b8c r4:85365800 [ 1336.681196][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1336.681384][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1336.682815][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.683187][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.683226][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.683252][ T32] r4:8541c0c0 [ 1336.683762][ T32] INFO: task kworker/1:610:4586 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.683882][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.683975][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.684227][ T32] Call trace: [ 1336.684344][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.684418][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.684448][ T32] r4:00000000 [ 1336.684486][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.684557][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.684805][ T32] dd20: 813b8000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.684844][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.684873][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.684928][ T32] r5:800d0013 r4:80239bb0 [ 1336.684956][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.685005][ T32] r4:82ac21e4 [ 1336.685048][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.685104][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.685132][ T32] r4:e044ddc0 [ 1336.685154][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.685201][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.685226][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1336.685854][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1336.686383][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1336.686953][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1336.687247][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1336.687699][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1336.688122][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb121e08 ** 4 printk messages dropped ** [ 1336.688368][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8541c680 ** 7 printk messages dropped ** [ 1336.688697][ T32] r5:8536678c r4:85366400 [ 1336.688718][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.688816][ T32] r7:ddde2d80 r6:83018200 r5:8536678c r4:853f9d80 ** 1 printk messages dropped ** [ 1336.688957][ T32] r10:61c88647 r9:8542b000 r8:853f9dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1336.715634][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1336.716627][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1336.717039][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 8 printk messages dropped ** [ 1336.717427][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1336.718055][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1336.718333][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1336.718927][ T32] r10:8291a684 r9:eb125d84 r8:00000002 r7:60000013 r6:eb125d8c r5:8542a400 ** 6 printk messages dropped ** [ 1336.733442][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1336.733724][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8541c480 ** 7 printk messages dropped ** [ 1336.734666][ T32] r5:85365f8c r4:85365c00 [ 1336.734690][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.734754][ T32] r7:ddde2d80 r6:83018200 r5:85365f8c r4:853f9e00 [ 1336.734782][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.734854][ T32] r10:61c88647 r9:8542a400 r8:853f9e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.734885][ T32] r4:853f9e00 [ 1336.734925][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.734986][ T32] r10:00000000 r9:853f9e00 r8:80287e08 r7:eb121e60 r6:853a5d80 r5:8542a400 [ 1336.735013][ T32] r4:00000001 [ 1336.735037][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.735081][ T32] Exception stack(0xeb125fb0 to 0xeb125ff8) [ 1336.735283][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.735352][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.735393][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.735463][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.735521][ T32] r4:8541c180 [ 1336.735989][ T32] INFO: task kworker/1:612:4589 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.736030][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.736188][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.736244][ T32] Call trace: [ 1336.736280][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.736338][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.736363][ T32] r4:00000000 [ 1336.736385][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.736523][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.736560][ T32] dd20: 817e7000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.736594][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.736624][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.736797][ T32] r5:800d0013 r4:80239bb0 [ 1336.736875][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.736929][ T32] r4:82ac21e4 [ 1336.736980][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.737032][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.737082][ T32] r4:e044ddc0 [ 1336.737110][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.737157][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.737181][ T32] r4:00000000 [ 1336.737203][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.737253][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.737306][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.737358][ T32] r5:00001000 r4:ed353000 [ 1336.737395][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.737450][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.737571][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.737597][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.737650][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.737675][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.737727][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.737780][ T32] r4:84ab5800 [ 1336.737805][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.737857][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.737882][ T32] r4:00000001 [ 1336.737902][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.737940][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.737968][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.737999][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.738029][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.738060][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.738142][ T32] r4:84ab0640 [ 1336.738194][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.738234][ T32] INFO: task kworker/1:613:4591 blocked for more than 463 seconds. [ 1336.738275][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.738335][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.738364][ T32] task:kworker/1:613 state:D stack:0 pid:4591 tgid:4591 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.738443][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.738519][ T32] Call trace: [ 1336.738615][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.738716][ T32] r10:8291a684 r9:eb141d84 r8:00000002 r7:60000113 r6:eb141d8c r5:85428c00 [ 1336.738897][ T32] r4:85428c00 [ 1336.738926][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.739026][ T32] r5:85428c00 r4:8291a680 [ 1336.739097][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.739192][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.739245][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb141e08 [ 1336.739318][ T32] r4:00000000 [ 1336.762228][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.762325][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.762372][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.762455][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8541c580 ** 4 printk messages dropped ** [ 1336.762637][ T32] r5:00001000 r4:eb131000 ** 2 printk messages dropped ** [ 1336.762747][ T32] r5:8536638c r4:85366000 [ 1336.762769][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1336.763160][ T32] r10:61c88647 r9:85428c00 r8:853f9eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1336.763731][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1336.764284][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1336.765001][ T32] r5:800d0013 r4:80239bb0 ** 4 printk messages dropped ** [ 1336.765236][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1336.765497][ T32] r5:00001000 r4:ed353000 ** 6 printk messages dropped ** [ 1336.765825][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1336.766107][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1336.766483][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1336.766748][ T32] r4:8542bc00 [ 1336.766842][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.766895][ T32] r5:8542bc00 r4:8291a680 [ 1336.766943][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.767043][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.767095][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb155e08 [ 1336.767120][ T32] r4:00000000 [ 1336.767220][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.767308][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.767351][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.767489][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8541c840 [ 1336.767523][ T32] r4:00000000 [ 1336.767588][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.767642][ T32] r9:83018205 r8:8542bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0c5000 [ 1336.767691][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.767783][ T32] r5:00001000 r4:eb14d000 [ 1336.767810][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.767857][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.767903][ T32] r5:85366b8c r4:85366800 [ 1336.767925][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.767984][ T32] r7:ddde2d80 r6:83018200 r5:85366b8c r4:853f9f00 [ 1336.768010][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.768064][ T32] r10:61c88647 r9:8542bc00 r8:853f9f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.768090][ T32] r4:853f9f00 [ 1336.768111][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.768165][ T32] r10:00000000 r9:853f9f00 r8:80287e08 r7:eb121e60 r6:853a5e80 r5:8542bc00 [ 1336.768207][ T32] r4:00000001 [ 1336.768257][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.768301][ T32] Exception stack(0xeb155fb0 to 0xeb155ff8) [ 1336.768330][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.768379][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.768419][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.768456][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.768513][ T32] r4:8541c5c0 [ 1336.768728][ T32] INFO: task kworker/1:614:4594 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.768768][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.768864][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.768915][ T32] Call trace: [ 1336.768948][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.769005][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.769031][ T32] r4:00000000 [ 1336.769052][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.769120][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.769179][ T32] dd20: 81b7a000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.769215][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.769243][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.769359][ T32] r5:800d0013 r4:80239bb0 [ 1336.791671][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.791813][ T32] r4:82ac21e4 [ 1336.791868][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.791933][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.791961][ T32] r4:e044ddc0 [ 1336.791984][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.792032][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.792079][ T32] r4:00000000 [ 1336.792112][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.792168][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.792193][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.792282][ T32] r5:00001000 r4:ed353000 [ 1336.792334][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.792393][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.792444][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.792468][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.792620][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.792653][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.792711][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.792757][ T32] r4:84ab5800 [ 1336.792806][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1336.792911][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1336.793085][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1336.793530][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1336.793836][ T32] r5:8542e000 r4:8291a680 ** 3 printk messages dropped ** [ 1336.793995][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1336.794168][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8541c940 ** 7 printk messages dropped ** [ 1336.794509][ T32] r5:85366f8c r4:85366c00 [ 1336.794530][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1336.794816][ T32] r10:00000000 r9:853f9f80 r8:80287e08 r7:eb155e60 r6:853a5f00 r5:8542e000 [ 1336.794840][ T32] r4:00000001 [ 1336.794862][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.794901][ T32] Exception stack(0xeb159fb0 to 0xeb159ff8) [ 1336.794937][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.794980][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.795015][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.795047][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.795072][ T32] r4:8541c400 [ 1336.795587][ T32] INFO: task kworker/1:615:4595 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.795629][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.795715][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.795809][ T32] Call trace: [ 1336.795865][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.795927][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.795953][ T32] r4:00000000 [ 1336.795974][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.796016][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.796067][ T32] dd20: 81fd5000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.796132][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.796177][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.796228][ T32] r5:800d0013 r4:80239bb0 [ 1336.796255][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.796301][ T32] r4:82ac21e4 [ 1336.796323][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.796376][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.796424][ T32] r4:e044ddc0 [ 1336.796472][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.796544][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.796710][ T32] r4:00000000 [ 1336.796738][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.796813][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.796840][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1336.797210][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1336.797689][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1336.798020][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1336.798452][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1336.798789][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8541cc00 ** 7 printk messages dropped ** [ 1336.799150][ T32] r5:8536778c r4:85367400 [ 1336.799182][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1336.799354][ T32] r10:61c88647 r9:8542d400 r8:8542602c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1336.820945][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1336.821857][ T32] Call trace: ** 4 printk messages dropped ** [ 1336.822066][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1336.822304][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1336.822482][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1336.823000][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1336.823270][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1336.823391][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1336.823673][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1336.823896][ T32] r5:8542ec00 r4:8291a680 ** 3 printk messages dropped ** [ 1336.824057][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1336.824224][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8541cb00 ** 7 printk messages dropped ** [ 1336.824583][ T32] r5:8536738c r4:85367000 ** 1 printk messages dropped ** [ 1336.824668][ T32] r7:ddde2d80 r6:83018200 r5:8536738c r4:85426080 ** 4 printk messages dropped ** [ 1336.824892][ T32] r10:00000000 r9:85426080 r8:80287e08 r7:eb171e60 r6:8549e000 r5:8542ec00 ** 8 printk messages dropped ** [ 1336.825725][ T32] INFO: task kworker/1:617:4599 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 7 printk messages dropped ** [ 1336.826125][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 6 printk messages dropped ** [ 1336.826364][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1336.826829][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1336.827228][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.827263][ T32] r4:00000001 [ 1336.827288][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.827328][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.827357][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.827387][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.827416][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.827447][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.827472][ T32] r4:84ab0640 [ 1336.827506][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.827540][ T32] INFO: task kworker/1:618:4604 blocked for more than 463 seconds. [ 1336.827578][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.827604][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.827629][ T32] task:kworker/1:618 state:D stack:0 pid:4604 tgid:4604 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.827681][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.827725][ T32] Call trace: [ 1336.827782][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.827834][ T32] r10:8291a684 r9:eb1a1d84 r8:00000002 r7:60000013 r6:eb1a1d8c r5:852b0000 [ 1336.827860][ T32] r4:852b0000 [ 1336.827881][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.827928][ T32] r5:852b0000 r4:8291a680 [ 1336.827949][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.828004][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.828082][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1a1e08 [ 1336.828111][ T32] r4:00000000 [ 1336.828132][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.828170][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.828207][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.828251][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8541cd40 [ 1336.828274][ T32] r4:00000000 [ 1336.828295][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.828342][ T32] r9:83018205 r8:852b0000 r7:00000000 r6:83018200 r5:00001000 r4:7f0d9000 [ 1336.828367][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.828412][ T32] r5:00001000 r4:eb189000 [ 1336.828433][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.828517][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.828576][ T32] r5:85367b8c r4:85367800 [ 1336.828600][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.828652][ T32] r7:ddde2d80 r6:83018200 r5:85367b8c r4:85426100 [ 1336.828676][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.828725][ T32] r10:61c88647 r9:852b0000 r8:8542612c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.828804][ T32] r4:85426100 [ 1336.828871][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.828926][ T32] r10:00000000 r9:85426100 r8:80287e08 r7:eb171e60 r6:8549e080 r5:852b0000 [ 1336.828951][ T32] r4:00000001 [ 1336.828971][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.829008][ T32] Exception stack(0xeb1a1fb0 to 0xeb1a1ff8) [ 1336.829036][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1336.829066][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.829097][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.829142][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.829172][ T32] r4:8541cbc0 [ 1336.848236][ T32] INFO: task kworker/1:618:4604 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.848400][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.848534][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.848653][ T32] Call trace: [ 1336.848699][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.848769][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.848798][ T32] r4:00000000 [ 1336.848822][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.848868][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.848923][ T32] dd20: 822c5000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.848962][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.848993][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.849019][ T32] r5:800d0013 r4:80239bb0 [ 1336.849041][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.849090][ T32] r4:82ac21e4 [ 1336.849112][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.849174][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.849205][ T32] r4:e044ddc0 [ 1336.849229][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.849368][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.860081][ T32] r4:00000000 [ 1336.860136][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.860221][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.860248][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.860304][ T32] r5:00001000 r4:ed353000 [ 1336.860328][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.860375][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.860428][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.860452][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.860528][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.860562][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.860621][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.860649][ T32] r4:84ab5800 [ 1336.860673][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.860731][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.860758][ T32] r4:00000001 [ 1336.860782][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.860827][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.860864][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.860898][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.860930][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1336.860992][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1336.861175][ T32] task:kworker/1:619 state:D stack:0 pid:4605 tgid:4605 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 19 printk messages dropped ** [ 1336.862286][ T32] r5:00001000 r4:eb195000 ** 2 printk messages dropped ** [ 1336.862394][ T32] r5:85367f8c r4:85367c00 ** 1 printk messages dropped ** [ 1336.862466][ T32] r7:ddde2d80 r6:83018200 r5:85367f8c r4:85426180 ** 1 printk messages dropped ** [ 1336.862538][ T32] r10:61c88647 r9:8542c800 r8:854261ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.862569][ T32] r4:85426180 [ 1336.862591][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.862641][ T32] r10:00000000 r9:85426180 r8:80287e08 r7:eb1a1e60 r6:8549e100 r5:8542c800 [ 1336.862666][ T32] r4:00000001 [ 1336.862738][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.862783][ T32] Exception stack(0xeb1a5fb0 to 0xeb1a5ff8) [ 1336.862811][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.862863][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.862897][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.862931][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.862955][ T32] r4:8541cd80 [ 1336.863428][ T32] INFO: task kworker/1:619:4605 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.863468][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.863580][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.863632][ T32] Call trace: [ 1336.863664][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.863719][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.863745][ T32] r4:00000000 [ 1336.863766][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.863808][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.863837][ T32] dd20: 8248f000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.863870][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.863897][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.863922][ T32] r5:800d0013 r4:80239bb0 [ 1336.863943][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.864005][ T32] r4:82ac21e4 [ 1336.864048][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.864097][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.864124][ T32] r4:e044ddc0 [ 1336.864145][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.864197][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.864279][ T32] r4:00000000 [ 1336.864306][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.864392][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.864470][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 4 printk messages dropped ** [ 1336.864732][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1336.865058][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1336.865271][ T32] INFO: task kworker/1:620:4606 blocked for more than 463 seconds. ** 10 printk messages dropped ** [ 1336.865792][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 12 printk messages dropped ** [ 1336.866348][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1336.866469][ T32] r5:854d038c r4:854d0000 ** 2 printk messages dropped ** [ 1336.866595][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1336.867007][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1336.867461][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.867521][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.867594][ T32] Call trace: [ 1336.867632][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.867687][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.867712][ T32] r4:00000000 [ 1336.867733][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.867774][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.867803][ T32] dd20: 8248f000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.867833][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.867861][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.867901][ T32] r5:800d0013 r4:80239bb0 [ 1336.867955][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.868004][ T32] r4:82ac21e4 [ 1336.868041][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.868091][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.868144][ T32] r4:e044ddc0 [ 1336.868209][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.868260][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.868286][ T32] r4:00000000 [ 1336.868309][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.868385][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.868413][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.868461][ T32] r5:00001000 r4:ed353000 [ 1336.868483][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.868542][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.868598][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.868640][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.868711][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.868740][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.868800][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.868859][ T32] r4:84ab5800 [ 1336.868904][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.869008][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.869085][ T32] r4:00000001 [ 1336.869140][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.869205][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.869239][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.869363][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.896599][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.896776][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.896818][ T32] r4:84ab0640 [ 1336.896849][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.896901][ T32] INFO: task kworker/1:621:4608 blocked for more than 463 seconds. [ 1336.896943][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.896970][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.897010][ T32] task:kworker/1:621 state:D stack:0 pid:4608 tgid:4608 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.897109][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.897187][ T32] Call trace: [ 1336.897243][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.897323][ T32] r10:8291a684 r9:eb1b9d84 r8:00000002 r7:60000113 r6:eb1b9d8c r5:84a90000 [ 1336.897356][ T32] r4:84a90000 [ 1336.897379][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.897470][ T32] r5:84a90000 r4:8291a680 [ 1336.897497][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.897558][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.897611][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1b9e08 [ 1336.897736][ T32] r4:00000000 [ 1336.897820][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.897864][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.897908][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.897952][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8549f040 [ 1336.897976][ T32] r4:00000000 [ 1336.898000][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.898052][ T32] r9:83018205 r8:84a90000 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 [ 1336.898091][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.898143][ T32] r5:00001000 r4:df9e7000 [ 1336.898167][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.898210][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.898272][ T32] r5:854d078c r4:854d0400 [ 1336.898324][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.898418][ T32] r7:ddde2d80 r6:83018200 r5:854d078c r4:85426280 [ 1336.898490][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.898549][ T32] r10:61c88647 r9:84a90000 r8:854262ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.898582][ T32] r4:85426280 [ 1336.898961][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.899018][ T32] r10:00000000 r9:85426280 r8:80287e08 r7:eb1b1e60 r6:8549e200 r5:84a90000 [ 1336.899043][ T32] r4:00000001 [ 1336.899064][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.899242][ T32] Exception stack(0xeb1b9fb0 to 0xeb1b9ff8) [ 1336.899325][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.906568][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.906630][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.906772][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.906867][ T32] r4:8541cec0 [ 1336.907356][ T32] INFO: task kworker/1:621:4608 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.907402][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.907488][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.907563][ T32] Call trace: [ 1336.907706][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.907778][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.907805][ T32] r4:00000000 [ 1336.907827][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.907873][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.907906][ T32] dd20: 8295e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.907938][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.907967][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.907995][ T32] r5:800d0013 r4:80239bb0 [ 1336.908039][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.908106][ T32] r4:82ac21e4 [ 1336.908134][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.908182][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.908207][ T32] r4:e044ddc0 [ 1336.908230][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.908275][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.908299][ T32] r4:00000000 [ 1336.908321][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.908378][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.908402][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.908452][ T32] r5:00001000 r4:ed353000 [ 1336.908474][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.908583][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.908642][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.908667][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.908722][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.908766][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.908823][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.908849][ T32] r4:84ab5800 [ 1336.908870][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.908923][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.908947][ T32] r4:00000001 [ 1336.908968][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.909008][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.909037][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.909068][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.909097][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.909143][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.909174][ T32] r4:84ab0640 [ 1336.909198][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.909233][ T32] INFO: task kworker/1:622:4610 blocked for more than 463 seconds. [ 1336.920323][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.920513][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.920566][ T32] task:kworker/1:622 state:D stack:0 pid:4610 tgid:4610 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.920789][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.921057][ T32] Call trace: [ 1336.921104][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.921178][ T32] r10:8291a684 r9:eb1c9d84 r8:00000002 r7:60000113 r6:eb1c9d8c r5:84a91800 [ 1336.921236][ T32] r4:84a91800 [ 1336.921266][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.921459][ T32] r5:84a91800 r4:8291a680 [ 1336.921560][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.921693][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.921797][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1c9e08 [ 1336.921890][ T32] r4:00000000 [ 1336.921919][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.921960][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.922003][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.922051][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8549f340 [ 1336.922139][ T32] r4:00000000 [ 1336.922204][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.922267][ T32] r9:83018205 r8:84a91800 r7:00000000 r6:83018200 r5:00001000 r4:7f065000 [ 1336.922314][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.922371][ T32] r5:00001000 r4:dfb91000 [ 1336.922396][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.922443][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.922513][ T32] r5:854d0b8c r4:854d0800 [ 1336.922654][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.922722][ T32] r7:ddde2d80 r6:83018200 r5:854d0b8c r4:85426300 [ 1336.922748][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.922804][ T32] r10:61c88647 r9:84a91800 r8:8542632c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.922829][ T32] r4:85426300 [ 1336.922910][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.922968][ T32] r10:00000000 r9:85426300 r8:80287e08 r7:eb1b9e60 r6:8549e280 r5:84a91800 [ 1336.922994][ T32] r4:00000001 [ 1336.923015][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.923084][ T32] Exception stack(0xeb1c9fb0 to 0xeb1c9ff8) [ 1336.923121][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.923154][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.923184][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.923216][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.923269][ T32] r4:8549f080 [ 1336.923798][ T32] INFO: task kworker/1:622:4610 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.923866][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.923969][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.924021][ T32] Call trace: [ 1336.924073][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.924131][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.924214][ T32] r4:00000000 [ 1336.924268][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.924321][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.924375][ T32] dd20: 82adc000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.924411][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.924439][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.924494][ T32] r5:800d0013 r4:80239bb0 [ 1336.924535][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.924590][ T32] r4:82ac21e4 [ 1336.924685][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.924767][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.924799][ T32] r4:e044ddc0 [ 1336.924823][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.924897][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.924955][ T32] r4:00000000 [ 1336.925014][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.925070][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.925216][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.925302][ T32] r5:00001000 r4:ed353000 [ 1336.925327][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.925371][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.925416][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.925438][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.925489][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.925544][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.925622][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.925653][ T32] r4:84ab5800 [ 1336.925703][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.925760][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.925804][ T32] r4:00000001 [ 1336.925856][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.925902][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.925931][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.925990][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.926052][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.926162][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.926329][ T32] r4:84ab0640 [ 1336.926359][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.926426][ T32] INFO: task kworker/1:623:4611 blocked for more than 463 seconds. [ 1336.926471][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.926498][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.926522][ T32] task:kworker/1:623 state:D stack:0 pid:4611 tgid:4611 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.926581][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.926801][ T32] Call trace: [ 1336.926841][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.926894][ T32] r10:8291a684 r9:eb1cdd84 r8:00000002 r7:60000113 r6:eb1cdd8c r5:84a92400 [ 1336.926919][ T32] r4:84a92400 [ 1336.926944][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.926991][ T32] r5:84a92400 r4:8291a680 [ 1336.927090][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.927138][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.927185][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1cde08 [ 1336.927209][ T32] r4:00000000 [ 1336.927230][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.927266][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.927309][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.927357][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8549f400 [ 1336.927406][ T32] r4:00000000 [ 1336.927440][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.927490][ T32] r9:83018205 r8:84a92400 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1336.927516][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.927567][ T32] r5:00001000 r4:dfc57000 [ 1336.927590][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.927633][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.927679][ T32] r5:854d0f8c r4:854d0c00 [ 1336.927700][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.927749][ T32] r7:ddde2d80 r6:83018200 r5:854d0f8c r4:85426380 [ 1336.927771][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.927820][ T32] r10:61c88647 r9:84a92400 r8:854263ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.927845][ T32] r4:85426380 [ 1336.927891][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.927972][ T32] r10:00000000 r9:85426380 r8:80287e08 r7:eb1c9e60 r6:8549e300 r5:84a92400 [ 1336.928003][ T32] r4:00000001 [ 1336.928025][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.928065][ T32] Exception stack(0xeb1cdfb0 to 0xeb1cdff8) [ 1336.928093][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.928124][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.928152][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.928242][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.928272][ T32] r4:8549f240 [ 1336.928574][ T32] INFO: task kworker/1:623:4611 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.928615][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.928675][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.928742][ T32] Call trace: [ 1336.928809][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.928875][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.928902][ T32] r4:00000000 [ 1336.928924][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.928993][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.929029][ T32] dd20: 82adc000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.929062][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.929090][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.929115][ T32] r5:800d0013 r4:80239bb0 [ 1336.929138][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.929182][ T32] r4:82ac21e4 [ 1336.929204][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.929317][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.952245][ T32] r4:e044ddc0 [ 1336.952303][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.952457][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.952490][ T32] r4:00000000 [ 1336.952537][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.952750][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.952784][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.952860][ T32] r5:00001000 r4:ed353000 [ 1336.952916][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.952967][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.953092][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.953120][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.953174][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.953201][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.953253][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.953342][ T32] r4:84ab5800 [ 1336.953370][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.953423][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.953517][ T32] r4:00000001 [ 1336.953545][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.953616][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.953670][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.953707][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.953772][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.953809][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.953834][ T32] r4:84ab0640 [ 1336.953866][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.953904][ T32] INFO: task kworker/1:624:4613 blocked for more than 463 seconds. [ 1336.953970][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.954004][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.954030][ T32] task:kworker/1:624 state:D stack:0 pid:4613 tgid:4613 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.954136][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.954250][ T32] Call trace: [ 1336.954380][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.954471][ T32] r10:8291a684 r9:eb1d5d84 r8:00000002 r7:60000013 r6:eb1d5d8c r5:84a90c00 [ 1336.954623][ T32] r4:84a90c00 [ 1336.954653][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.954704][ T32] r5:84a90c00 r4:8291a680 [ 1336.954784][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.954833][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.954893][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1d5e08 [ 1336.954924][ T32] r4:00000000 [ 1336.954946][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.954985][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.955024][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.955071][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8549f800 [ 1336.955096][ T32] r4:00000000 [ 1336.955117][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.955164][ T32] r9:83018205 r8:84a90c00 r7:00000000 r6:83018200 r5:00001000 r4:7f06d000 [ 1336.955188][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.955276][ T32] r5:00001000 r4:e033d000 [ 1336.955320][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.955400][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.955481][ T32] r5:854d1b8c r4:854d1800 [ 1336.955508][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.955564][ T32] r7:ddde2d80 r6:83018200 r5:854d1b8c r4:85426400 [ 1336.955590][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.955643][ T32] r10:61c88647 r9:84a90c00 r8:8542642c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.955668][ T32] r4:85426400 [ 1336.955689][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.955738][ T32] r10:00000000 r9:85426400 r8:80287e08 r7:eb1cde60 r6:8549e380 r5:84a90c00 [ 1336.955804][ T32] r4:00000001 [ 1336.955856][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.955901][ T32] Exception stack(0xeb1d5fb0 to 0xeb1d5ff8) [ 1336.955931][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.955987][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.956024][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.956057][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.956083][ T32] r4:8549f080 [ 1336.956595][ T32] INFO: task kworker/1:624:4613 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.956639][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.956743][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.956794][ T32] Call trace: [ 1336.956828][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.956910][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.956942][ T32] r4:00000000 [ 1336.956978][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.957041][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.957075][ T32] dd20: 82cae000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.957109][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.957138][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.957164][ T32] r5:800d0013 r4:80239bb0 [ 1336.957186][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.957234][ T32] r4:82ac21e4 [ 1336.957257][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.957305][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.957330][ T32] r4:e044ddc0 [ 1336.957351][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.957396][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.957420][ T32] r4:00000000 [ 1336.957441][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.957495][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.957518][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.957569][ T32] r5:00001000 r4:ed353000 [ 1336.957593][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.957637][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.957683][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.957705][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.957754][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.957778][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.957828][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.957869][ T32] r4:84ab5800 [ 1336.957897][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.957978][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.958008][ T32] r4:00000001 [ 1336.958030][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.958071][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.958100][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.958159][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.958245][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.958337][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.958371][ T32] r4:84ab0640 [ 1336.958420][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.958454][ T32] INFO: task kworker/1:625:4615 blocked for more than 463 seconds. [ 1336.958486][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.958511][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.958536][ T32] task:kworker/1:625 state:D stack:0 pid:4615 tgid:4615 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.958594][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.958641][ T32] Call trace: [ 1336.958700][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.958753][ T32] r10:8291a684 r9:eb1ddd84 r8:00000002 r7:60000013 r6:eb1ddd8c r5:84a93000 [ 1336.958784][ T32] r4:84a93000 [ 1336.958808][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.958883][ T32] r5:84a93000 r4:8291a680 [ 1336.958911][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.958969][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.959023][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1dde08 [ 1336.959093][ T32] r4:00000000 [ 1336.959152][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.959224][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.976136][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.976244][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8549f540 [ 1336.976272][ T32] r4:00000000 [ 1336.976295][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.976348][ T32] r9:83018205 r8:84a93000 r7:00000000 r6:83018200 r5:00001000 r4:7f069000 [ 1336.976373][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.976424][ T32] r5:00001000 r4:dfd15000 [ 1336.976447][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.976492][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.976572][ T32] r5:854d138c r4:854d1000 [ 1336.976596][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.976651][ T32] r7:ddde2d80 r6:83018200 r5:854d138c r4:85426500 [ 1336.976694][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.976754][ T32] r10:61c88647 r9:84a93000 r8:8542652c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.976780][ T32] r4:85426500 [ 1336.976829][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.976887][ T32] r10:00000000 r9:85426500 r8:80287e08 r7:eb1d5e60 r6:8549e400 r5:84a93000 [ 1336.976912][ T32] r4:00000001 [ 1336.976934][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.976977][ T32] Exception stack(0xeb1ddfb0 to 0xeb1ddff8) [ 1336.977011][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.977044][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.977074][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.977105][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.977155][ T32] r4:8549f1c0 [ 1336.977624][ T32] INFO: task kworker/1:625:4615 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.977668][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.977764][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.977850][ T32] Call trace: [ 1336.977893][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.977954][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.977981][ T32] r4:00000000 [ 1336.978005][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.978049][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.978079][ T32] dd20: 82eff000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.978111][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.978138][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.978165][ T32] r5:800d0013 r4:80239bb0 [ 1336.978188][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.978248][ T32] r4:82ac21e4 [ 1336.978277][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.978508][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.978542][ T32] r4:e044ddc0 [ 1336.978575][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.978624][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.978649][ T32] r4:00000000 [ 1336.978671][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.978762][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.978793][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.978841][ T32] r5:00001000 r4:ed353000 [ 1336.978863][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.978907][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.978954][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.978990][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.979049][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.979075][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.979129][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.979155][ T32] r4:84ab5800 [ 1336.979191][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.979246][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.979342][ T32] r4:00000001 [ 1336.992624][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.992809][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.992856][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.992988][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.993024][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.993061][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.993239][ T32] r4:84ab0640 [ 1336.993276][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.993318][ T32] INFO: task kworker/1:626:4617 blocked for more than 463 seconds. [ 1336.993357][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.993385][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.993411][ T32] task:kworker/1:626 state:D stack:0 pid:4617 tgid:4617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.993478][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.993600][ T32] Call trace: [ 1336.993673][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.993749][ T32] r10:8291a684 r9:eb0fdd84 r8:00000002 r7:60000013 r6:eb0fdd8c r5:8532d400 [ 1336.993781][ T32] r4:8532d400 [ 1336.993804][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.993853][ T32] r5:8532d400 r4:8291a680 [ 1336.993876][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.993919][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.993965][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0fde08 [ 1336.994008][ T32] r4:00000000 [ 1336.994035][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.994076][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.994119][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.994167][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8549f6c0 [ 1336.994207][ T32] r4:00000000 [ 1336.994235][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.994289][ T32] r9:83018205 r8:8532d400 r7:00000000 r6:83018200 r5:00001000 r4:7f06b000 [ 1336.994342][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.994396][ T32] r5:00001000 r4:dfdc3000 [ 1336.994420][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.994465][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.994513][ T32] r5:854d178c r4:854d1400 [ 1336.994535][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.994594][ T32] r7:ddde2d80 r6:83018200 r5:854d178c r4:85426480 [ 1336.994637][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.994695][ T32] r10:61c88647 r9:8532d400 r8:854264ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.994721][ T32] r4:85426480 [ 1336.994743][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.994793][ T32] r10:00000000 r9:85426480 r8:80287e08 r7:eb1d5e60 r6:85426580 r5:8532d400 [ 1336.994818][ T32] r4:00000001 [ 1336.994842][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.994881][ T32] Exception stack(0xeb0fdfb0 to 0xeb0fdff8) [ 1336.994936][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.994975][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.995006][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.995037][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.995062][ T32] r4:8549f2c0 [ 1336.995626][ T32] INFO: task kworker/1:626:4617 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1336.995673][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.995738][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.995790][ T32] Call trace: [ 1336.995824][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1336.995883][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1336.995993][ T32] r4:00000000 [ 1336.996087][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.996136][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1336.996167][ T32] dd20: 830ba000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1336.996199][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1336.996227][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1336.996254][ T32] r5:800d0013 r4:80239bb0 [ 1336.996377][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.996430][ T32] r4:82ac21e4 [ 1336.996453][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.996516][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1336.996546][ T32] r4:e044ddc0 [ 1336.996605][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.996710][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1336.996740][ T32] r4:00000000 [ 1336.996764][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.996819][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1336.996844][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.996891][ T32] r5:00001000 r4:ed353000 [ 1336.996916][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1336.996960][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.997008][ T32] r5:85c0ff8c r4:85c0fc00 [ 1336.997031][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1336.997176][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1336.997206][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1336.997353][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.997451][ T32] r4:84ab5800 [ 1336.997476][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1336.997532][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1336.997620][ T32] r4:00000001 [ 1336.997648][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.997690][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1336.997721][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.997752][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.997781][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.997813][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1336.997838][ T32] r4:84ab0640 [ 1336.997861][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.997917][ T32] INFO: task kworker/1:627:4620 blocked for more than 463 seconds. [ 1336.997955][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1336.997981][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.998005][ T32] task:kworker/1:627 state:D stack:0 pid:4620 tgid:4620 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.998154][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.998349][ T32] Call trace: [ 1336.998392][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1336.998448][ T32] r10:8291a684 r9:eb1e1d84 r8:00000002 r7:60000013 r6:eb1e1d8c r5:8532e000 [ 1336.998532][ T32] r4:8532e000 [ 1336.998567][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1336.998617][ T32] r5:8532e000 r4:8291a680 [ 1336.998639][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.998682][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.998729][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1e1e08 [ 1336.998862][ T32] r4:00000000 [ 1336.998888][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1336.998945][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1336.998987][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1336.999034][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8549fc40 [ 1336.999059][ T32] r4:00000000 [ 1336.999081][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1336.999129][ T32] r9:83018205 r8:8532e000 r7:00000000 r6:83018200 r5:00001000 r4:7f073000 [ 1336.999224][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1336.999352][ T32] r5:00001000 r4:e05b7000 [ 1337.017364][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.017481][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.017557][ T32] r5:854d278c r4:854d2400 [ 1337.017589][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.017648][ T32] r7:ddde2d80 r6:83018200 r5:854d278c r4:85426600 [ 1337.017673][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.017766][ T32] r10:61c88647 r9:8532e000 r8:8542662c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.017864][ T32] r4:85426600 [ 1337.017892][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.018037][ T32] r10:00000000 r9:85426600 r8:80287e08 r7:eb1d5e60 r6:85426680 r5:8532e000 [ 1337.018068][ T32] r4:00000001 [ 1337.018091][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.018206][ T32] Exception stack(0xeb1e1fb0 to 0xeb1e1ff8) [ 1337.018333][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.018378][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.018412][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.018446][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.018472][ T32] r4:8549f680 [ 1337.019004][ T32] INFO: task kworker/1:627:4620 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.019053][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.019180][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.029934][ T32] Call trace: [ 1337.030015][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.030146][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.030183][ T32] r4:00000000 [ 1337.030211][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.030264][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.030407][ T32] dd20: 8328e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.030449][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.030482][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.030510][ T32] r5:800d0013 r4:80239bb0 [ 1337.030534][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.030595][ T32] r4:82ac21e4 [ 1337.030619][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.030669][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.030721][ T32] r4:e044ddc0 [ 1337.030750][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.030855][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.030887][ T32] r4:00000000 [ 1337.030957][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.031019][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.031046][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.031232][ T32] r5:00001000 r4:ed353000 [ 1337.031262][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.031312][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.031366][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.031392][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.031453][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.031509][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.031580][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.031610][ T32] r4:84ab5800 [ 1337.031689][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.031796][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.031825][ T32] r4:00000001 [ 1337.031847][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.031887][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.031916][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.031947][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.032064][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.032159][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.032191][ T32] r4:84ab0640 [ 1337.032217][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.032342][ T32] INFO: task kworker/1:628:4621 blocked for more than 463 seconds. [ 1337.032442][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.032475][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.032676][ T32] task:kworker/1:628 state:D stack:0 pid:4621 tgid:4621 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.032749][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.032797][ T32] Call trace: [ 1337.032831][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.032958][ T32] r10:8291a684 r9:eb1e9d84 r8:00000002 r7:60000013 r6:eb1e9d8c r5:8532ec00 [ 1337.032989][ T32] r4:8532ec00 [ 1337.033063][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.033116][ T32] r5:8532ec00 r4:8291a680 [ 1337.033140][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.033183][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.033355][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1e9e08 [ 1337.033387][ T32] r4:00000000 [ 1337.033410][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.033449][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.033486][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.033594][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8549f940 [ 1337.033624][ T32] r4:00000000 [ 1337.033687][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.033751][ T32] r9:83018205 r8:8532ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f06f000 ** 4 printk messages dropped ** [ 1337.033987][ T32] r5:854d1f8c r4:854d1c00 ** 3 printk messages dropped ** [ 1337.034463][ T32] r10:61c88647 r9:8532ec00 r8:8542672c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 14 printk messages dropped ** [ 1337.035668][ T32] Call trace: ** 11 printk messages dropped ** [ 1337.036190][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 13 printk messages dropped ** [ 1337.036902][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.036925][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.036975][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.037000][ T32] r4:84ab5800 [ 1337.037020][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.037100][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.037162][ T32] r4:00000001 [ 1337.037187][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.037230][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.037259][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.037291][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.037320][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.037350][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.037374][ T32] r4:84ab0640 [ 1337.037396][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.037424][ T32] INFO: task kworker/1:629:4624 blocked for more than 463 seconds. [ 1337.037485][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.037516][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.037559][ T32] task:kworker/1:629 state:D stack:0 pid:4624 tgid:4624 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.037615][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.037662][ T32] Call trace: [ 1337.037696][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.037748][ T32] r10:8291a684 r9:eb1edd84 r8:00000002 r7:60000013 r6:eb1edd8c r5:8532c800 [ 1337.037772][ T32] r4:8532c800 [ 1337.037794][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.037941][ T32] r5:8532c800 r4:8291a680 [ 1337.037968][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.038012][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.038089][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1ede08 [ 1337.038118][ T32] r4:00000000 [ 1337.038139][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.038208][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 1 printk messages dropped ** [ 1337.038428][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8549fb40 ** 7 printk messages dropped ** [ 1337.038761][ T32] r5:854d238c r4:854d2000 [ 1337.038788][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1337.038911][ T32] r10:61c88647 r9:8532c800 r8:8542682c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.038936][ T32] r4:85426800 [ 1337.038956][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.039003][ T32] r10:00000000 r9:85426800 r8:80287e08 r7:eb1e1e60 r6:85426880 r5:8532c800 [ 1337.039031][ T32] r4:00000001 [ 1337.039051][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.039120][ T32] Exception stack(0xeb1edfb0 to 0xeb1edff8) [ 1337.039212][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.062415][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.062546][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.062594][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.062624][ T32] r4:8549f9c0 [ 1337.063093][ T32] INFO: task kworker/1:629:4624 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.063138][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.063217][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.063289][ T32] Call trace: [ 1337.063326][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.063390][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.063415][ T32] r4:00000000 [ 1337.063437][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.063482][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.063514][ T32] dd20: 835cf000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.063545][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.063581][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.063606][ T32] r5:800d0013 r4:80239bb0 [ 1337.063628][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.063675][ T32] r4:82ac21e4 [ 1337.063696][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.063809][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.063840][ T32] r4:e044ddc0 [ 1337.063863][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.063912][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.063936][ T32] r4:00000000 [ 1337.063958][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.064013][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.064037][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.064082][ T32] r5:00001000 r4:ed353000 [ 1337.064105][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.064148][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1337.064313][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1337.064655][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1337.065139][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1337.065609][ T32] task:kworker/1:630 state:D stack:0 pid:4626 tgid:4626 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1337.066387][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1f1e08 ** 5 printk messages dropped ** [ 1337.066621][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1337.067098][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.067149][ T32] r5:854d338c r4:854d3000 [ 1337.067171][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1337.067581][ T32] r4:85426900 ** 5 printk messages dropped ** [ 1337.067806][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1337.067972][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.068134][ T32] r4:8549fa40 [ 1337.068434][ T32] INFO: task kworker/1:630:4626 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.068527][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.068691][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.068782][ T32] Call trace: [ 1337.068875][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.068935][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.069051][ T32] r4:00000000 [ 1337.069077][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.069122][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.069152][ T32] dd20: 835cf000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.069183][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.069211][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.069421][ T32] r5:800d0013 r4:80239bb0 [ 1337.091498][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.091693][ T32] r4:82ac21e4 [ 1337.091727][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.091782][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.091809][ T32] r4:e044ddc0 [ 1337.091831][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.091878][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.091904][ T32] r4:00000000 [ 1337.091925][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.091978][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.092003][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.092187][ T32] r5:00001000 r4:ed353000 [ 1337.092216][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.092265][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.092315][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.092372][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.092542][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.092581][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.092637][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.092662][ T32] r4:84ab5800 [ 1337.092731][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1337.093065][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1337.093295][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1337.093487][ T32] task:kworker/1:631 state:D stack:0 pid:4628 tgid:4628 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1337.094126][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1337.094738][ T32] r9:83018205 r8:85460000 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 ** 4 printk messages dropped ** [ 1337.094998][ T32] r5:854d2b8c r4:854d2800 [ 1337.095020][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1337.095677][ T32] r4:85426a00 ** 4 printk messages dropped ** [ 1337.095880][ T32] Exception stack(0xeb1f5fb0 to 0xeb1f5ff8) ** 6 printk messages dropped ** [ 1337.096737][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1337.097556][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.097589][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.097702][ T32] r5:800d0013 r4:80239bb0 [ 1337.097729][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.097778][ T32] r4:82ac21e4 [ 1337.097801][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.097879][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.097975][ T32] r4:e044ddc0 [ 1337.098001][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.098048][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.098073][ T32] r4:00000000 [ 1337.098094][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.098143][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.098165][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.098211][ T32] r5:00001000 r4:ed353000 [ 1337.098234][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.098336][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.098413][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.098454][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.098558][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.098588][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.098643][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.098669][ T32] r4:84ab5800 [ 1337.098690][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.098741][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.098766][ T32] r4:00000001 [ 1337.098788][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.098829][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.098857][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.098919][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.098954][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.098987][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.099012][ T32] r4:84ab0640 [ 1337.099034][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.099094][ T32] INFO: task kworker/1:632:4630 blocked for more than 463 seconds. [ 1337.099160][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.099221][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.099248][ T32] task:kworker/1:632 state:D stack:0 pid:4630 tgid:4630 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.118143][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.118255][ T32] Call trace: ** 2 printk messages dropped ** [ 1337.118421][ T32] r4:85460c00 ** 4 printk messages dropped ** [ 1337.118612][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1f9e08 ** 7 printk messages dropped ** [ 1337.118909][ T32] r9:83018205 r8:85460c00 r7:00000000 r6:83018200 r5:00001000 r4:7f077000 ** 4 printk messages dropped ** [ 1337.119094][ T32] r5:854d2f8c r4:854d2c00 [ 1337.119116][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1337.119329][ T32] r4:85426b00 ** 5 printk messages dropped ** [ 1337.130433][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1337.131365][ T32] Call trace: ** 4 printk messages dropped ** [ 1337.131657][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 6 printk messages dropped ** [ 1337.131931][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 11 printk messages dropped ** [ 1337.132418][ T32] r5:85c0ff8c r4:85c0fc00 ** 3 printk messages dropped ** [ 1337.132635][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.132667][ T32] r4:84ab5800 [ 1337.132690][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.132744][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.132769][ T32] r4:00000001 [ 1337.132821][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.132866][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.132898][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.133078][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.133118][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.133178][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.133207][ T32] r4:84ab0640 [ 1337.133232][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.133288][ T32] INFO: task kworker/1:633:4632 blocked for more than 463 seconds. [ 1337.133333][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.133363][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.133389][ T32] task:kworker/1:633 state:D stack:0 pid:4632 tgid:4632 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.133486][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.133577][ T32] Call trace: [ 1337.133644][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.133708][ T32] r10:8291a684 r9:eb21dd84 r8:00000002 r7:60000013 r6:eb21dd8c r5:85461800 [ 1337.133736][ T32] r4:85461800 [ 1337.133761][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.133837][ T32] r5:85461800 r4:8291a680 [ 1337.133864][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.133911][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.133992][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb21de08 [ 1337.134021][ T32] r4:00000000 [ 1337.134044][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.134085][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.134122][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.134175][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8541cf40 [ 1337.134201][ T32] r4:00000000 [ 1337.134230][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.134296][ T32] r9:83018205 r8:85461800 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1337.134327][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.134376][ T32] r5:00001000 r4:ea8d9000 ** 2 printk messages dropped ** [ 1337.134485][ T32] r5:854d378c r4:854d3400 [ 1337.134507][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1337.134588][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1337.134970][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1337.135641][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1337.136061][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 6 printk messages dropped ** [ 1337.136339][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1337.136689][ T32] r5:00001000 r4:ed353000 ** 5 printk messages dropped ** [ 1337.136951][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1337.137249][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1337.137404][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.137438][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.137464][ T32] r4:84ab0640 [ 1337.137485][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.137512][ T32] INFO: task kworker/1:634:4634 blocked for more than 463 seconds. [ 1337.137558][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.137588][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.137611][ T32] task:kworker/1:634 state:D stack:0 pid:4634 tgid:4634 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.137673][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.137721][ T32] Call trace: [ 1337.137782][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.137840][ T32] r10:8291a684 r9:eb221d84 r8:00000002 r7:60000013 r6:eb221d8c r5:85462400 [ 1337.137894][ T32] r4:85462400 [ 1337.137920][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.137996][ T32] r5:85462400 r4:8291a680 [ 1337.138023][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.138085][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.138138][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb221e08 [ 1337.138169][ T32] r4:00000000 [ 1337.138192][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.138230][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.138335][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.138417][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bd400 [ 1337.138475][ T32] r4:00000000 [ 1337.138502][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.138558][ T32] r9:83018205 r8:85462400 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1337.138584][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.138630][ T32] r5:00001000 r4:ea92f000 [ 1337.138699][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.138761][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.138813][ T32] r5:854d3f8c r4:854d3c00 [ 1337.138865][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.138942][ T32] r7:ddde2d80 r6:83018200 r5:854d3f8c r4:85426d00 [ 1337.138969][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.139023][ T32] r10:61c88647 r9:85462400 r8:85426d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.139096][ T32] r4:85426d00 [ 1337.139167][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.139295][ T32] r10:00000000 r9:85426d00 r8:80287e08 r7:eb21de60 r6:85426d80 r5:85462400 [ 1337.161470][ T32] r4:00000001 [ 1337.161709][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.161845][ T32] Exception stack(0xeb221fb0 to 0xeb221ff8) [ 1337.161996][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.162060][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.162129][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.162251][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.162299][ T32] r4:854bd080 [ 1337.163033][ T32] INFO: task kworker/1:634:4634 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.163118][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.163348][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.163449][ T32] Call trace: [ 1337.163567][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.163681][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.163733][ T32] r4:00000000 [ 1337.163776][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.163853][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.163912][ T32] dd20: 83fce000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.163975][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.164033][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.164087][ T32] r5:800d0013 r4:80239bb0 [ 1337.164130][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.164219][ T32] r4:82ac21e4 [ 1337.164288][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.164406][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.164463][ T32] r4:e044ddc0 [ 1337.164530][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.164696][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.164759][ T32] r4:00000000 [ 1337.164808][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.164926][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.164975][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.165056][ T32] r5:00001000 r4:ed353000 [ 1337.165092][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.165178][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.165289][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.165378][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.165545][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.165656][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.165800][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.165858][ T32] r4:84ab5800 [ 1337.165896][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.166023][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.166098][ T32] r4:00000001 [ 1337.166137][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.166202][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.166251][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.166313][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.166370][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.166426][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.166483][ T32] r4:84ab0640 [ 1337.166524][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.166677][ T32] INFO: task kworker/1:635:4636 blocked for more than 463 seconds. [ 1337.166742][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.166788][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.166826][ T32] task:kworker/1:635 state:D stack:0 pid:4636 tgid:4636 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.166905][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.167200][ T32] Call trace: [ 1337.167289][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.167378][ T32] r10:8291a684 r9:eb0f1d84 r8:00000002 r7:60000013 r6:eb0f1d8c r5:85463c00 [ 1337.167420][ T32] r4:85463c00 [ 1337.167485][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.167571][ T32] r5:85463c00 r4:8291a680 [ 1337.167608][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.167676][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.167766][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0f1e08 [ 1337.167811][ T32] r4:00000000 [ 1337.167846][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.167938][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.168004][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.168080][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bd040 [ 1337.168119][ T32] r4:00000000 [ 1337.168154][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.168230][ T32] r9:83018205 r8:85463c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 [ 1337.168267][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.168406][ T32] r5:00001000 r4:ea909000 [ 1337.168463][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.168569][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.168651][ T32] r5:854d3b8c r4:854d3800 [ 1337.168739][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.168826][ T32] r7:ddde2d80 r6:83018200 r5:854d3b8c r4:85426e00 [ 1337.168881][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.169004][ T32] r10:61c88647 r9:85463c00 r8:85426e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.169104][ T32] r4:85426e00 [ 1337.169202][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.169453][ T32] r10:00000000 r9:85426e00 r8:80287e08 r7:eb221e60 r6:85426e80 r5:85463c00 [ 1337.201757][ T32] r4:00000001 [ 1337.201842][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.201924][ T32] Exception stack(0xeb0f1fb0 to 0xeb0f1ff8) [ 1337.202070][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.202108][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.202151][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.202189][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.202214][ T32] r4:854bd180 [ 1337.202675][ T32] INFO: task kworker/1:635:4636 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.202720][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.202890][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.202951][ T32] Call trace: [ 1337.202986][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.203048][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.203075][ T32] r4:00000000 [ 1337.203097][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.203141][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.203173][ T32] dd20: 8447e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.203206][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.203306][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.203339][ T32] r5:800d0013 r4:80239bb0 [ 1337.203402][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.203455][ T32] r4:82ac21e4 [ 1337.203512][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.203603][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.203700][ T32] r4:e044ddc0 [ 1337.203727][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.203871][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.203972][ T32] r4:00000000 [ 1337.203999][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.204059][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.204085][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.204134][ T32] r5:00001000 r4:ed353000 [ 1337.204236][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.204285][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.204333][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.204355][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.204410][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.204434][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.204520][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.204556][ T32] r4:84ab5800 [ 1337.204580][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.204632][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 4 printk messages dropped ** [ 1337.204799][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 12 printk messages dropped ** [ 1337.206040][ T32] r4:85465400 [ 1337.206063][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.206111][ T32] r5:85465400 r4:8291a680 [ 1337.206133][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.206173][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.206236][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb229e08 [ 1337.206264][ T32] r4:00000000 [ 1337.206285][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.206324][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.206400][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.206533][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bd8c0 [ 1337.206605][ T32] r4:00000000 [ 1337.206633][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.206684][ T32] r9:83018205 r8:85465400 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 [ 1337.206708][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.206866][ T32] r5:00001000 r4:eaaa3000 [ 1337.206894][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.206966][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.207254][ T32] r5:854dc78c r4:854dc400 [ 1337.207295][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.207373][ T32] r7:ddde2d80 r6:83018200 r5:854dc78c r4:85426f00 [ 1337.207399][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.207519][ T32] r10:61c88647 r9:85465400 r8:85426f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.207549][ T32] r4:85426f00 [ 1337.207596][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.207652][ T32] r10:00000000 r9:85426f00 r8:80287e08 r7:eb221e60 r6:85426f80 r5:85465400 [ 1337.207678][ T32] r4:00000001 [ 1337.207767][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.207823][ T32] Exception stack(0xeb229fb0 to 0xeb229ff8) [ 1337.207967][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.208004][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.208034][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.208091][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.208123][ T32] r4:854bd280 [ 1337.208407][ T32] INFO: task kworker/1:636:4637 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.208444][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.208524][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.208624][ T32] Call trace: [ 1337.208799][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.208862][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.208987][ T32] r4:00000000 [ 1337.209090][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.209194][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.209278][ T32] dd20: 8447e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.224688][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.224750][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.224788][ T32] r5:800d0013 r4:80239bb0 [ 1337.224815][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.224905][ T32] r4:82ac21e4 [ 1337.224934][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.224999][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.225030][ T32] r4:e044ddc0 [ 1337.225052][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.225114][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.225143][ T32] r4:00000000 [ 1337.225165][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.225218][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.225256][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.225313][ T32] r5:00001000 r4:ed353000 [ 1337.225336][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.225382][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.225429][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.225451][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.225502][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.225557][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.225617][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.225643][ T32] r4:84ab5800 [ 1337.225665][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.225743][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.225772][ T32] r4:00000001 [ 1337.225809][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1337.225978][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1337.226362][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1337.226866][ T32] r5:85463000 r4:8291a680 ** 3 printk messages dropped ** [ 1337.227025][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1337.227252][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1337.227557][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.227609][ T32] r5:854dc38c r4:854dc000 [ 1337.227657][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1337.227790][ T32] r10:61c88647 r9:85463000 r8:854b902c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1337.228093][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1337.228795][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1337.229103][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 4 printk messages dropped ** [ 1337.242536][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 6 printk messages dropped ** [ 1337.242878][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1337.243054][ T32] r5:00001000 r4:ed353000 ** 1 printk messages dropped ** [ 1337.243141][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.243197][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.243221][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.243277][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.243301][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.243355][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.243381][ T32] r4:84ab5800 [ 1337.243438][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.243497][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.243522][ T32] r4:00000001 [ 1337.243545][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.243597][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.243633][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.243680][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.243715][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.243816][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.243917][ T32] r4:84ab0640 [ 1337.243953][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.243989][ T32] INFO: task kworker/1:638:4643 blocked for more than 463 seconds. [ 1337.244029][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.244057][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.244082][ T32] task:kworker/1:638 state:D stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.244147][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.244195][ T32] Call trace: [ 1337.244232][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.244292][ T32] r10:8291a684 r9:eb22dd84 r8:00000002 r7:60000113 r6:eb22dd8c r5:85466000 [ 1337.244333][ T32] r4:85466000 [ 1337.244361][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.244410][ T32] r5:85466000 r4:8291a680 [ 1337.244446][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.244495][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.244578][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb22de08 [ 1337.244633][ T32] r4:00000000 [ 1337.244660][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.244727][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.244771][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.244844][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bda00 [ 1337.244873][ T32] r4:00000000 [ 1337.244895][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.244944][ T32] r9:83018205 r8:85466000 r7:00000000 r6:83018200 r5:00001000 r4:7f087000 [ 1337.244968][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.245012][ T32] r5:00001000 r4:eaac1000 [ 1337.245034][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.245076][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.245123][ T32] r5:854dcb8c r4:854dc800 [ 1337.245161][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.245216][ T32] r7:ddde2d80 r6:83018200 r5:854dcb8c r4:854b9100 [ 1337.245240][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.245291][ T32] r10:61c88647 r9:85466000 r8:854b912c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.245315][ T32] r4:854b9100 [ 1337.245364][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.245418][ T32] r10:00000000 r9:854b9100 r8:80287e08 r7:eb229e60 r6:854b9180 r5:85466000 [ 1337.245444][ T32] r4:00000001 [ 1337.245466][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.245507][ T32] Exception stack(0xeb22dfb0 to 0xeb22dff8) [ 1337.245536][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.245573][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.245602][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.245633][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.245683][ T32] r4:854bd740 [ 1337.246206][ T32] INFO: task kworker/1:638:4643 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.246252][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.246331][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.246401][ T32] Call trace: [ 1337.246465][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.246527][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.246561][ T32] r4:00000000 [ 1337.246585][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.246629][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.246660][ T32] dd20: 848b5000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.246708][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.246767][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 3 printk messages dropped ** [ 1337.246907][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 8 printk messages dropped ** [ 1337.247283][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1337.247543][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1337.247789][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 2 printk messages dropped ** [ 1337.247890][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.247925][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.247982][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.248018][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.248049][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.248099][ T32] r4:84ab0640 [ 1337.248127][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.248157][ T32] INFO: task kworker/1:639:4645 blocked for more than 463 seconds. [ 1337.248189][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.248240][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.248270][ T32] task:kworker/1:639 state:D stack:0 pid:4645 tgid:4645 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.248353][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.248405][ T32] Call trace: [ 1337.248440][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.248491][ T32] r10:8291a684 r9:eb225d84 r8:00000002 r7:60000113 r6:eb225d8c r5:85466c00 [ 1337.248536][ T32] r4:85466c00 [ 1337.248567][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.248619][ T32] r5:85466c00 r4:8291a680 [ 1337.248642][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.248684][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.248729][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb225e08 [ 1337.248754][ T32] r4:00000000 [ 1337.248775][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.248813][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.248869][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.248921][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bdb80 [ 1337.248947][ T32] r4:00000000 [ 1337.248970][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.249019][ T32] r9:83018205 r8:85466c00 r7:00000000 r6:83018200 r5:00001000 r4:7f089000 [ 1337.249043][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.249090][ T32] r5:00001000 r4:eaae9000 [ 1337.249112][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.249154][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.249200][ T32] r5:854dcf8c r4:854dcc00 [ 1337.249223][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.274371][ T32] r7:ddde2d80 r6:83018200 r5:854dcf8c r4:854b9200 [ 1337.274559][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.274657][ T32] r10:61c88647 r9:85466c00 r8:854b922c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.274821][ T32] r4:854b9200 [ 1337.274849][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.274906][ T32] r10:00000000 r9:854b9200 r8:80287e08 r7:eb22de60 r6:854b9280 r5:85466c00 [ 1337.274931][ T32] r4:00000001 [ 1337.274953][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.274995][ T32] Exception stack(0xeb225fb0 to 0xeb225ff8) [ 1337.275028][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.275059][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.275090][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.275147][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.275244][ T32] r4:854bd880 [ 1337.275769][ T32] INFO: task kworker/1:639:4645 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.275817][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.275899][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.275989][ T32] Call trace: [ 1337.276027][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.276088][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.276113][ T32] r4:00000000 [ 1337.276135][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.276179][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.276209][ T32] dd20: 84ce0000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.276240][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.276270][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.276311][ T32] r5:800d0013 r4:80239bb0 [ 1337.276338][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.276388][ T32] r4:82ac21e4 [ 1337.276410][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.276456][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.276520][ T32] r4:e044ddc0 [ 1337.276549][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.276603][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.276629][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1337.276704][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 4 printk messages dropped ** [ 1337.276905][ T32] r5:85c0ff8c r4:85c0fc00 ** 1 printk messages dropped ** [ 1337.276984][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 2 printk messages dropped ** [ 1337.277084][ T32] r4:84ab5800 ** 1 printk messages dropped ** [ 1337.277155][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 2 printk messages dropped ** [ 1337.277240][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 2 printk messages dropped ** [ 1337.277354][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 2 printk messages dropped ** [ 1337.277442][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 3 printk messages dropped ** [ 1337.277617][ T32] task:kworker/1:640 state:D stack:0 pid:4647 tgid:4647 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1337.277854][ T32] r4:85468000 ** 1 printk messages dropped ** [ 1337.278057][ T32] r5:85468000 r4:8291a680 ** 1 printk messages dropped ** [ 1337.278129][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.278176][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb239e08 [ 1337.278230][ T32] r4:00000000 [ 1337.278257][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.278321][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.278362][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.278407][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b7280 [ 1337.278431][ T32] r4:00000000 [ 1337.278478][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.278534][ T32] r9:83018205 r8:85468000 r7:00000000 r6:83018200 r5:00001000 r4:7f093000 [ 1337.278568][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.278616][ T32] r5:00001000 r4:ead7f000 [ 1337.278638][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.278707][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.278760][ T32] r5:854ddb8c r4:854dd800 [ 1337.278785][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.278849][ T32] r7:ddde2d80 r6:83018200 r5:854ddb8c r4:854b9300 [ 1337.278877][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.278955][ T32] r10:61c88647 r9:85468000 r8:854b932c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.279011][ T32] r4:854b9300 [ 1337.279036][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.279086][ T32] r10:00000000 r9:854b9300 r8:80287e08 r7:eb225e60 r6:854b9380 r5:85468000 [ 1337.279111][ T32] r4:00000001 [ 1337.279131][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.279170][ T32] Exception stack(0xeb239fb0 to 0xeb239ff8) [ 1337.279274][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.286882][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.286934][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.286973][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.287001][ T32] r4:854bd980 [ 1337.287463][ T32] INFO: task kworker/1:640:4647 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.287503][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.287631][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.287701][ T32] Call trace: [ 1337.287772][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.287839][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.287867][ T32] r4:00000000 [ 1337.287888][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.287954][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.288089][ T32] dd20: 84ce0000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.288126][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.288154][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.288181][ T32] r5:800d0013 r4:80239bb0 [ 1337.288205][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.288252][ T32] r4:82ac21e4 [ 1337.288275][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.288321][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.288371][ T32] r4:e044ddc0 [ 1337.288397][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.288447][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.288523][ T32] r4:00000000 [ 1337.288560][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.288632][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.288684][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.288790][ T32] r5:00001000 r4:ed353000 [ 1337.288848][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.288986][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.289108][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.289186][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.310171][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.310393][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.310605][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.310683][ T32] r4:84ab5800 [ 1337.310742][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.310865][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.310930][ T32] r4:00000001 [ 1337.310986][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.311087][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.311169][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.311246][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.311318][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.311398][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.311456][ T32] r4:84ab0640 [ 1337.311515][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.311603][ T32] INFO: task kworker/1:641:4648 blocked for more than 463 seconds. [ 1337.311687][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.311771][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.311837][ T32] task:kworker/1:641 state:D stack:0 pid:4648 tgid:4648 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.311993][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.312117][ T32] Call trace: [ 1337.312206][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.312335][ T32] r10:8291a684 r9:eb23dd84 r8:00000002 r7:60000113 r6:eb23dd8c r5:85468c00 [ 1337.312404][ T32] r4:85468c00 [ 1337.312459][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.312602][ T32] r5:85468c00 r4:8291a680 [ 1337.312656][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.312751][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.312856][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb23de08 [ 1337.312916][ T32] r4:00000000 [ 1337.312967][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.313054][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.313146][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.313246][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dd140 [ 1337.313310][ T32] r4:00000000 [ 1337.313370][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.313491][ T32] r9:83018205 r8:85468c00 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1337.313569][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.313677][ T32] r5:00001000 r4:eac8d000 [ 1337.313734][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.313872][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.313987][ T32] r5:854dd38c r4:854dd000 [ 1337.314044][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.314157][ T32] r7:ddde2d80 r6:83018200 r5:854dd38c r4:854b9400 [ 1337.314216][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.314336][ T32] r10:61c88647 r9:85468c00 r8:854b942c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.314421][ T32] r4:854b9400 [ 1337.314485][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.314639][ T32] r10:00000000 r9:854b9400 r8:80287e08 r7:eb239e60 r6:854b9480 r5:85468c00 [ 1337.314712][ T32] r4:00000001 [ 1337.314768][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.314881][ T32] Exception stack(0xeb23dfb0 to 0xeb23dff8) [ 1337.314959][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.315038][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.315112][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.315188][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.315249][ T32] r4:854bd980 [ 1337.316102][ T32] INFO: task kworker/1:641:4648 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.316202][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.316385][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.316561][ T32] Call trace: [ 1337.316669][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.316801][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.316868][ T32] r4:00000000 [ 1337.316922][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.317023][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.317104][ T32] dd20: 84f3c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.317186][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.317257][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.317327][ T32] r5:800d0013 r4:80239bb0 [ 1337.317414][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.317530][ T32] r4:82ac21e4 [ 1337.317662][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.317781][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.317850][ T32] r4:e044ddc0 [ 1337.317907][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.318019][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.318084][ T32] r4:00000000 [ 1337.318142][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.318258][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.318377][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.318515][ T32] r5:00001000 r4:ed353000 [ 1337.318591][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.318699][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.318807][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.318865][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.318993][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.319071][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.319206][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.331084][ T32] r4:84ab5800 [ 1337.331206][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.331295][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.331324][ T32] r4:00000001 [ 1337.331366][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.331449][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.331491][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.331525][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.331587][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.331626][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.331652][ T32] r4:84ab0640 [ 1337.331678][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.331713][ T32] INFO: task kworker/0:123:4651 blocked for more than 463 seconds. [ 1337.331751][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.331780][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.331805][ T32] task:kworker/0:123 state:D stack:0 pid:4651 tgid:4651 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.331902][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.331958][ T32] Call trace: [ 1337.332022][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.332109][ T32] r10:8291a684 r9:eb24dd84 r8:00000002 r7:60000013 r6:eb24dd8c r5:8546b000 [ 1337.332140][ T32] r4:8546b000 [ 1337.332175][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.332229][ T32] r5:8546b000 r4:8291a680 [ 1337.332254][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.332299][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.332346][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb24de08 [ 1337.332370][ T32] r4:00000000 [ 1337.332391][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.332429][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.332471][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.332576][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84afbc00 [ 1337.332607][ T32] r4:00000000 [ 1337.332631][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.332684][ T32] r9:83018005 r8:8546b000 r7:00000000 r6:83018000 r5:00001000 r4:7f011000 [ 1337.332710][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.332756][ T32] r5:00001000 r4:dfa63000 [ 1337.332779][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.332821][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.332867][ T32] r5:8551af8c r4:8551ac00 [ 1337.332889][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.332939][ T32] r7:dddced80 r6:83018000 r5:8551af8c r4:8549e480 [ 1337.332962][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.333012][ T32] r10:61c88647 r9:8546b000 r8:8549e4ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1337.333038][ T32] r4:8549e480 [ 1337.333076][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.333131][ T32] r10:00000000 r9:8549e480 r8:80287e08 r7:eaf31e60 r6:854b9500 r5:8546b000 [ 1337.333157][ T32] r4:00000001 [ 1337.333178][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.333217][ T32] Exception stack(0xeb24dfb0 to 0xeb24dff8) [ 1337.333272][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.333335][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.333371][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.333404][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.333429][ T32] r4:854a7dc0 [ 1337.333892][ T32] INFO: task kworker/0:123:4651 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.333935][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.334061][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.334116][ T32] Call trace: [ 1337.334149][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.334205][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.334231][ T32] r4:00000000 [ 1337.334253][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.334310][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.334345][ T32] dd20: 84f3c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.334379][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.334406][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.334434][ T32] r5:800d0013 r4:80239bb0 [ 1337.334473][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.334548][ T32] r4:82ac21e4 [ 1337.334582][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.334629][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.334655][ T32] r4:e044ddc0 [ 1337.334676][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.334722][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.334748][ T32] r4:00000000 [ 1337.334770][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.334819][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.334842][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.334887][ T32] r5:00001000 r4:ed353000 [ 1337.334908][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.334953][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.334999][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.335039][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.335109][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.335136][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.335190][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.335216][ T32] r4:84ab5800 [ 1337.335272][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.335329][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.335354][ T32] r4:00000001 [ 1337.335375][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.335413][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.335442][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.335472][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.335501][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.335531][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.335563][ T32] r4:84ab0640 [ 1337.335588][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.335615][ T32] INFO: task kworker/0:124:4652 blocked for more than 463 seconds. [ 1337.335645][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.335670][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.335761][ T32] task:kworker/0:124 state:D stack:0 pid:4652 tgid:4652 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.335841][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.335892][ T32] Call trace: [ 1337.335925][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.335977][ T32] r10:8291a684 r9:eb251d84 r8:00000002 r7:60000113 r6:eb251d8c r5:85469800 [ 1337.336003][ T32] r4:85469800 [ 1337.336025][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.336071][ T32] r5:85469800 r4:8291a680 [ 1337.336094][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.336135][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.336183][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb251e08 [ 1337.336209][ T32] r4:00000000 [ 1337.336229][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.336280][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.336323][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.336368][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848c9d00 [ 1337.336392][ T32] r4:00000000 [ 1337.336413][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.336462][ T32] r9:83018005 r8:85469800 r7:00000000 r6:83018000 r5:00001000 r4:7f055000 [ 1337.336485][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.336581][ T32] r5:00001000 r4:eae8f000 [ 1337.336668][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.336719][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.336768][ T32] r5:85103f8c r4:85103c00 [ 1337.336791][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.336842][ T32] r7:dddced80 r6:83018000 r5:85103f8c r4:8549e500 [ 1337.336885][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.336942][ T32] r10:61c88647 r9:85469800 r8:8549e52c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1337.336967][ T32] r4:8549e500 [ 1337.336988][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.337037][ T32] r10:00000000 r9:8549e500 r8:80287e08 r7:eb24de60 r6:854b9580 r5:85469800 [ 1337.337087][ T32] r4:00000001 [ 1337.337113][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.337156][ T32] Exception stack(0xeb251fb0 to 0xeb251ff8) [ 1337.337222][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.337285][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.337320][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.337352][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.337377][ T32] r4:854a7dc0 [ 1337.337611][ T32] INFO: task kworker/0:124:4652 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.337650][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.337732][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.337822][ T32] Call trace: [ 1337.337887][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.337945][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.337971][ T32] r4:00000000 [ 1337.337992][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.338035][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.338066][ T32] dd20: 84f3c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.338112][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.338144][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.338171][ T32] r5:800d0013 r4:80239bb0 [ 1337.338199][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.338245][ T32] r4:82ac21e4 [ 1337.338287][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.338371][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.338398][ T32] r4:e044ddc0 [ 1337.338437][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.338490][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.338515][ T32] r4:00000000 [ 1337.338537][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.338594][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.338620][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.338670][ T32] r5:00001000 r4:ed353000 [ 1337.338695][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.338742][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.338819][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.338847][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.338903][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.338928][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.338980][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.339005][ T32] r4:84ab5800 [ 1337.339025][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.339075][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.339135][ T32] r4:00000001 [ 1337.339162][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.339204][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.339233][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.363545][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.363675][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.363717][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.363744][ T32] r4:84ab0640 [ 1337.363800][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.363843][ T32] INFO: task kworker/1:642:4655 blocked for more than 463 seconds. [ 1337.363883][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.363911][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.363952][ T32] task:kworker/1:642 state:D stack:0 pid:4655 tgid:4655 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.364029][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.364100][ T32] Call trace: [ 1337.364137][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.364199][ T32] r10:8291a684 r9:eb249d84 r8:00000002 r7:60000013 r6:eb249d8c r5:8546bc00 [ 1337.364226][ T32] r4:8546bc00 [ 1337.364249][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.364299][ T32] r5:8546bc00 r4:8291a680 [ 1337.364324][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.364384][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.364436][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb249e08 [ 1337.364464][ T32] r4:00000000 [ 1337.364486][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.364545][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.364601][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.364648][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b7040 [ 1337.364692][ T32] r4:00000000 [ 1337.364721][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.364793][ T32] r9:83018205 r8:8546bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1337.364839][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.364902][ T32] r5:00001000 r4:ead17000 [ 1337.364928][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.364975][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.365022][ T32] r5:854dd78c r4:854dd400 [ 1337.365074][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.365134][ T32] r7:ddde2d80 r6:83018200 r5:854dd78c r4:854b9600 [ 1337.365159][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.365211][ T32] r10:61c88647 r9:8546bc00 r8:854b962c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.365267][ T32] r4:854b9600 [ 1337.365295][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.365350][ T32] r10:00000000 r9:854b9600 r8:80287e08 r7:eb239e60 r6:854b9680 r5:8546bc00 [ 1337.365377][ T32] r4:00000001 [ 1337.365399][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.365459][ T32] Exception stack(0xeb249fb0 to 0xeb249ff8) [ 1337.365509][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.365565][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.365601][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.365635][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.365662][ T32] r4:854b7180 [ 1337.366155][ T32] INFO: task kworker/1:642:4655 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.366201][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.366266][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.366337][ T32] Call trace: [ 1337.366373][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.366433][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.366461][ T32] r4:00000000 [ 1337.366512][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.366567][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.366600][ T32] dd20: 8536d000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.366633][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.366662][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.366690][ T32] r5:800d0013 r4:80239bb0 [ 1337.366716][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.366763][ T32] r4:82ac21e4 [ 1337.366787][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.366833][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.366860][ T32] r4:e044ddc0 [ 1337.366897][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.366950][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.366976][ T32] r4:00000000 [ 1337.366998][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.367048][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.367074][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.367124][ T32] r5:00001000 r4:ed353000 [ 1337.367147][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.367191][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.367237][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.367260][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.367313][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.367338][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.367389][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.367414][ T32] r4:84ab5800 [ 1337.367443][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.367497][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.367540][ T32] r4:00000001 [ 1337.367573][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.367614][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.367645][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.367679][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.367726][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.367765][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.367793][ T32] r4:84ab0640 [ 1337.367816][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.367847][ T32] INFO: task kworker/1:643:4657 blocked for more than 463 seconds. [ 1337.367894][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.367926][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.367951][ T32] task:kworker/1:643 state:D stack:0 pid:4657 tgid:4657 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.368002][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.368049][ T32] Call trace: [ 1337.368083][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.368136][ T32] r10:8291a684 r9:eb245d84 r8:00000002 r7:60000113 r6:eb245d8c r5:8546c800 [ 1337.368165][ T32] r4:8546c800 [ 1337.368189][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.368240][ T32] r5:8546c800 r4:8291a680 [ 1337.368264][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.368308][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.368355][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb245e08 [ 1337.368381][ T32] r4:00000000 [ 1337.368539][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.368594][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.368635][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.368681][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b7600 [ 1337.368707][ T32] r4:00000000 [ 1337.368749][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.368862][ T32] r9:83018205 r8:8546c800 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 [ 1337.368894][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.368944][ T32] r5:00001000 r4:eaddb000 [ 1337.368970][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.369081][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.369334][ T32] r5:854de38c r4:854de000 [ 1337.387131][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.387263][ T32] r7:ddde2d80 r6:83018200 r5:854de38c r4:854b9700 [ 1337.387298][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.387358][ T32] r10:61c88647 r9:8546c800 r8:854b972c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.387387][ T32] r4:854b9700 [ 1337.387424][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.387485][ T32] r10:00000000 r9:854b9700 r8:80287e08 r7:eb239e60 r6:854b9780 r5:8546c800 [ 1337.387512][ T32] r4:00000001 [ 1337.387535][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.387587][ T32] Exception stack(0xeb245fb0 to 0xeb245ff8) [ 1337.387625][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.387660][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.387692][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.387725][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.387751][ T32] r4:854b7100 [ 1337.388236][ T32] INFO: task kworker/1:643:4657 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.388296][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.388386][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.388443][ T32] Call trace: [ 1337.388482][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.388573][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.388750][ T32] r4:00000000 [ 1337.388874][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.388927][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.389001][ T32] dd20: 85574000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.389040][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.389072][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.389101][ T32] r5:800d0013 r4:80239bb0 [ 1337.389125][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.389229][ T32] r4:82ac21e4 [ 1337.389312][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.403407][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.403537][ T32] r4:e044ddc0 [ 1337.403635][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.403722][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.403777][ T32] r4:00000000 [ 1337.403806][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.403889][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.403955][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.404016][ T32] r5:00001000 r4:ed353000 [ 1337.404043][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.404125][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.404180][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.404338][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.404399][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.404425][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.404480][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.404524][ T32] r4:84ab5800 [ 1337.404639][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.404761][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.404884][ T32] r4:00000001 [ 1337.404914][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.405003][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.405045][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.405098][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.405134][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.405169][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.405195][ T32] r4:84ab0640 [ 1337.405226][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.405276][ T32] INFO: task kworker/1:644:4659 blocked for more than 463 seconds. [ 1337.405345][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.405380][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.405409][ T32] task:kworker/1:644 state:D stack:0 pid:4659 tgid:4659 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.405481][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.405831][ T32] Call trace: [ 1337.405887][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.405950][ T32] r10:8291a684 r9:eb255d84 r8:00000002 r7:60000013 r6:eb255d8c r5:8546d400 [ 1337.406049][ T32] r4:8546d400 [ 1337.406101][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.406159][ T32] r5:8546d400 r4:8291a680 [ 1337.406185][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.406272][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.406346][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb255e08 [ 1337.406401][ T32] r4:00000000 [ 1337.406460][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.406505][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.406545][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.406599][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b7480 [ 1337.406625][ T32] r4:00000000 [ 1337.406646][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.406694][ T32] r9:83018205 r8:8546d400 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 [ 1337.406751][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.406805][ T32] r5:00001000 r4:eada9000 [ 1337.406860][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.406909][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.406957][ T32] r5:854ddf8c r4:854ddc00 [ 1337.406979][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.407043][ T32] r7:ddde2d80 r6:83018200 r5:854ddf8c r4:854b9800 [ 1337.407073][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.407127][ T32] r10:61c88647 r9:8546d400 r8:854b982c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.407153][ T32] r4:854b9800 [ 1337.407175][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.407224][ T32] r10:00000000 r9:854b9800 r8:80287e08 r7:eb245e60 r6:854b9880 r5:8546d400 [ 1337.407249][ T32] r4:00000001 [ 1337.407306][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.407353][ T32] Exception stack(0xeb255fb0 to 0xeb255ff8) [ 1337.407383][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.407444][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.407478][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.407511][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.407536][ T32] r4:854b7300 [ 1337.408032][ T32] INFO: task kworker/1:644:4659 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.408075][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.408180][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.408231][ T32] Call trace: [ 1337.408300][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.408376][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.408407][ T32] r4:00000000 [ 1337.408445][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.408495][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.408562][ T32] dd20: 8572c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.408600][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.408628][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.408654][ T32] r5:800d0013 r4:80239bb0 [ 1337.408677][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.408723][ T32] r4:82ac21e4 [ 1337.408746][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.408794][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.408820][ T32] r4:e044ddc0 [ 1337.408841][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.408885][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.408910][ T32] r4:00000000 [ 1337.408940][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.409023][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.409053][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.409190][ T32] r5:00001000 r4:ed353000 [ 1337.409290][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.418390][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.418503][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.418530][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.418596][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.418621][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.418674][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.418718][ T32] r4:84ab5800 [ 1337.418748][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.418816][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.418865][ T32] r4:00000001 [ 1337.419105][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.419267][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.419347][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.434715][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.434781][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.434879][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.435002][ T32] r4:84ab0640 [ 1337.435124][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.435164][ T32] INFO: task kworker/1:645:4662 blocked for more than 463 seconds. [ 1337.435224][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.435257][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.435330][ T32] task:kworker/1:645 state:D stack:0 pid:4662 tgid:4662 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.435436][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.435508][ T32] Call trace: [ 1337.435666][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.435736][ T32] r10:8291a684 r9:eb259d84 r8:00000002 r7:60000113 r6:eb259d8c r5:8546e000 [ 1337.435792][ T32] r4:8546e000 [ 1337.435917][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.436035][ T32] r5:8546e000 r4:8291a680 [ 1337.436064][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.436111][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.436160][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb259e08 [ 1337.436185][ T32] r4:00000000 [ 1337.436250][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.436370][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.436418][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.436466][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b7740 [ 1337.436492][ T32] r4:00000000 [ 1337.436562][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.436623][ T32] r9:83018205 r8:8546e000 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1337.436651][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.436702][ T32] r5:00001000 r4:eade9000 [ 1337.436724][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.436768][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.436906][ T32] r5:854de78c r4:854de400 [ 1337.436935][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.436998][ T32] r7:ddde2d80 r6:83018200 r5:854de78c r4:854b9900 [ 1337.437024][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.437076][ T32] r10:61c88647 r9:8546e000 r8:854b992c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.437244][ T32] r4:854b9900 [ 1337.437342][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.437464][ T32] r10:00000000 r9:854b9900 r8:80287e08 r7:eb245e60 r6:854b9980 r5:8546e000 ** 4 printk messages dropped ** [ 1337.437707][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1337.437893][ T32] r4:854b75c0 ** 2 printk messages dropped ** [ 1337.438619][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1337.438910][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 2 printk messages dropped ** [ 1337.439069][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.439105][ T32] dd20: 85aba000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.439245][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.439280][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.439395][ T32] r5:800d0013 r4:80239bb0 [ 1337.447775][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.447884][ T32] r4:82ac21e4 [ 1337.447911][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.447960][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.447987][ T32] r4:e044ddc0 [ 1337.448009][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.448142][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.448251][ T32] r4:00000000 [ 1337.448287][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.448343][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.448370][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.448450][ T32] r5:00001000 r4:ed353000 [ 1337.448520][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.448581][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.448659][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.448780][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.448866][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.448986][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.449097][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.449127][ T32] r4:84ab5800 [ 1337.449151][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.449204][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.449437][ T32] r4:00000001 [ 1337.459930][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.460033][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.460076][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.460112][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.460145][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.460217][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.460252][ T32] r4:84ab0640 [ 1337.460306][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.460347][ T32] INFO: task kworker/1:646:4663 blocked for more than 463 seconds. [ 1337.460403][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.460439][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.460542][ T32] task:kworker/1:646 state:D stack:0 pid:4663 tgid:4663 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.460660][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.460734][ T32] Call trace: [ 1337.460783][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.460852][ T32] r10:8291a684 r9:eb235d84 r8:00000002 r7:60000013 r6:eb235d8c r5:8546ec00 [ 1337.460882][ T32] r4:8546ec00 [ 1337.460944][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.461003][ T32] r5:8546ec00 r4:8291a680 [ 1337.461029][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.461078][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.461151][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb235e08 [ 1337.461183][ T32] r4:00000000 [ 1337.461242][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.461358][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.461434][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.461490][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b7b40 [ 1337.461518][ T32] r4:00000000 [ 1337.461543][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.461645][ T32] r9:83018205 r8:8546ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1337.461678][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.461791][ T32] r5:00001000 r4:eaff9000 [ 1337.461821][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.461868][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.461918][ T32] r5:854def8c r4:854dec00 [ 1337.461941][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.461994][ T32] r7:ddde2d80 r6:83018200 r5:854def8c r4:854b9a00 [ 1337.462018][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.462069][ T32] r10:61c88647 r9:8546ec00 r8:854b9a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.462172][ T32] r4:854b9a00 [ 1337.462200][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.462253][ T32] r10:00000000 r9:854b9a00 r8:80287e08 r7:eb259e60 r6:854b9a80 r5:8546ec00 [ 1337.462279][ T32] r4:00000001 [ 1337.462377][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.462493][ T32] Exception stack(0xeb235fb0 to 0xeb235ff8) [ 1337.462528][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.462596][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.462666][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.462703][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.462728][ T32] r4:854b75c0 [ 1337.463237][ T32] INFO: task kworker/1:646:4663 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.463283][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.463352][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.463403][ T32] Call trace: [ 1337.463437][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.463539][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.463578][ T32] r4:00000000 [ 1337.463783][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.464023][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.464059][ T32] dd20: 85bc6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.464230][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.464263][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.464294][ T32] r5:800d0013 r4:80239bb0 [ 1337.464319][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.464365][ T32] r4:82ac21e4 [ 1337.464518][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.464686][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.464754][ T32] r4:e044ddc0 [ 1337.464783][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.464832][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.464893][ T32] r4:00000000 [ 1337.464921][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.464975][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.465034][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.465240][ T32] r5:00001000 r4:ed353000 [ 1337.465269][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.465317][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.465365][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.465388][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.465441][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.465465][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.465593][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.465625][ T32] r4:84ab5800 [ 1337.465653][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.465708][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.465740][ T32] r4:00000001 [ 1337.465765][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.465809][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.465841][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.465958][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.465995][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.466048][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.466079][ T32] r4:84ab0640 [ 1337.466102][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.466132][ T32] INFO: task kworker/1:647:4664 blocked for more than 463 seconds. [ 1337.466233][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.466267][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.466292][ T32] task:kworker/1:647 state:D stack:0 pid:4664 tgid:4664 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.466345][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1337.466572][ T32] r10:8291a684 r9:eb265d84 r8:00000002 r7:60000113 r6:eb265d8c r5:8546a400 ** 4 printk messages dropped ** [ 1337.466861][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1337.467075][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1337.467309][ T32] r9:83018205 r8:8546a400 r7:00000000 r6:83018200 r5:00001000 r4:7f09b000 ** 4 printk messages dropped ** [ 1337.467498][ T32] r5:854deb8c r4:854de800 [ 1337.467520][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.467589][ T32] r7:ddde2d80 r6:83018200 r5:854deb8c r4:854b9b00 [ 1337.467618][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.467670][ T32] r10:61c88647 r9:8546a400 r8:854b9b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1337.467791][ T32] r10:00000000 r9:854b9b00 r8:80287e08 r7:eb235e60 r6:854b9b80 r5:8546a400 ** 4 printk messages dropped ** [ 1337.467938][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.467967][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.467998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.468022][ T32] r4:854b75c0 [ 1337.468285][ T32] INFO: task kworker/1:647:4664 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.468352][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.468519][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.468630][ T32] Call trace: [ 1337.468758][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.468822][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.468876][ T32] r4:00000000 [ 1337.468902][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.468975][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.469010][ T32] dd20: 85bc6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.469043][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.469072][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.469099][ T32] r5:800d0013 r4:80239bb0 [ 1337.469121][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.469165][ T32] r4:82ac21e4 [ 1337.469407][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.494461][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.494513][ T32] r4:e044ddc0 [ 1337.494541][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.494618][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.494644][ T32] r4:00000000 [ 1337.494666][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.494720][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.494759][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.494818][ T32] r5:00001000 r4:ed353000 [ 1337.494843][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.494901][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.494954][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.494977][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.495030][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.495056][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.495109][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.495192][ T32] r4:84ab5800 [ 1337.495228][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.495282][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.495335][ T32] r4:00000001 [ 1337.495366][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.495413][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.495554][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.495600][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.495674][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.495713][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.495744][ T32] r4:84ab0640 [ 1337.495795][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.495832][ T32] INFO: task kworker/1:648:4667 blocked for more than 463 seconds. [ 1337.495870][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.495898][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.495922][ T32] task:kworker/1:648 state:D stack:0 pid:4667 tgid:4667 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.495988][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.496070][ T32] Call trace: [ 1337.496128][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.496192][ T32] r10:8291a684 r9:eb261d84 r8:00000002 r7:60000113 r6:eb261d8c r5:85464800 [ 1337.496219][ T32] r4:85464800 [ 1337.496256][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.496510][ T32] r5:85464800 r4:8291a680 [ 1337.496572][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.496622][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.496670][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb261e08 [ 1337.496730][ T32] r4:00000000 [ 1337.496861][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.496908][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.496974][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.497025][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b7c80 [ 1337.497052][ T32] r4:00000000 [ 1337.497074][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.497124][ T32] r9:83018205 r8:85464800 r7:00000000 r6:83018200 r5:00001000 r4:7f09f000 [ 1337.497148][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.497194][ T32] r5:00001000 r4:eb03d000 [ 1337.497215][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.497286][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.497339][ T32] r5:854df38c r4:854df000 [ 1337.497363][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.497413][ T32] r7:ddde2d80 r6:83018200 r5:854df38c r4:854b9c00 [ 1337.497435][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.497512][ T32] r10:61c88647 r9:85464800 r8:854b9c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.497567][ T32] r4:854b9c00 [ 1337.497594][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.497686][ T32] r10:00000000 r9:854b9c00 r8:80287e08 r7:eb235e60 r6:854b9c80 r5:85464800 [ 1337.497718][ T32] r4:00000001 [ 1337.497811][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.497928][ T32] Exception stack(0xeb261fb0 to 0xeb261ff8) [ 1337.497995][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.498032][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.498064][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.498170][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 2 printk messages dropped ** [ 1337.498710][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.498773][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.498822][ T32] Call trace: [ 1337.498856][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.498911][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.498937][ T32] r4:00000000 [ 1337.498958][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.499001][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.499032][ T32] dd20: 85e9c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.499064][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.499108][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.499141][ T32] r5:800d0013 r4:80239bb0 [ 1337.499165][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.499262][ T32] r4:82ac21e4 [ 1337.512825][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.512946][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.512976][ T32] r4:e044ddc0 [ 1337.513107][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.513162][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.513218][ T32] r4:00000000 [ 1337.513245][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.513299][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.513324][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.513374][ T32] r5:00001000 r4:ed353000 [ 1337.513396][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.513439][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.513486][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.513556][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.513615][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.513710][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.513769][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.513794][ T32] r4:84ab5800 [ 1337.513817][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.513912][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.513942][ T32] r4:00000001 [ 1337.513964][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.514006][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.514038][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.514070][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.514098][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.514129][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.514154][ T32] r4:84ab0640 [ 1337.514179][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.514224][ T32] INFO: task kworker/1:649:4669 blocked for more than 463 seconds. [ 1337.514262][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.514290][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.514477][ T32] task:kworker/1:649 state:D stack:0 pid:4669 tgid:4669 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.514560][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.514615][ T32] Call trace: [ 1337.514683][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.514746][ T32] r10:8291a684 r9:eb26dd84 r8:00000002 r7:60000113 r6:eb26dd8c r5:85470000 [ 1337.514772][ T32] r4:85470000 [ 1337.514810][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.514966][ T32] r5:85470000 r4:8291a680 [ 1337.515083][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.515203][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.515255][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb26de08 [ 1337.515280][ T32] r4:00000000 [ 1337.515300][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.515338][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.515374][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.515417][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b7e00 [ 1337.515441][ T32] r4:00000000 [ 1337.515462][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.515521][ T32] r9:83018205 r8:85470000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1337.515556][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.515607][ T32] r5:00001000 r4:eb213000 [ 1337.515630][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.515672][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.515744][ T32] r5:854df78c r4:854df400 [ 1337.515772][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.515832][ T32] r7:ddde2d80 r6:83018200 r5:854df78c r4:854b9d00 [ 1337.515876][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.515932][ T32] r10:61c88647 r9:85470000 r8:854b9d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.515962][ T32] r4:854b9d00 [ 1337.515985][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.516065][ T32] r10:00000000 r9:854b9d00 r8:80287e08 r7:eb261e60 r6:854b9d80 r5:85470000 [ 1337.516123][ T32] r4:00000001 [ 1337.516148][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.516242][ T32] Exception stack(0xeb26dfb0 to 0xeb26dff8) [ 1337.516276][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.516335][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.516370][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.516402][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.516426][ T32] r4:854b7b00 [ 1337.516969][ T32] INFO: task kworker/1:649:4669 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.517068][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.517181][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.517233][ T32] Call trace: [ 1337.517293][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.517354][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.517380][ T32] r4:00000000 [ 1337.517626][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.517704][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.517738][ T32] dd20: 8629c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.517771][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.517800][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.517827][ T32] r5:800d0013 r4:80239bb0 [ 1337.517848][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.517918][ T32] r4:82ac21e4 [ 1337.517946][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.517994][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.518019][ T32] r4:e044ddc0 [ 1337.518039][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.518083][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.518165][ T32] r4:00000000 [ 1337.518193][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 1 printk messages dropped ** [ 1337.518428][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1337.518735][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1337.519101][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 2 printk messages dropped ** [ 1337.519220][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 3 printk messages dropped ** [ 1337.545149][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 5 printk messages dropped ** [ 1337.545391][ T32] task:kworker/1:650 state:D stack:0 pid:4671 tgid:4671 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1337.545680][ T32] r4:85470c00 ** 3 printk messages dropped ** [ 1337.545851][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1337.546132][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1337.546495][ T32] r5:854ec38c r4:854ec000 [ 1337.546518][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.546590][ T32] r7:ddde2d80 r6:83018200 r5:854ec38c r4:854b9e00 [ 1337.546616][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.546668][ T32] r10:61c88647 r9:85470c00 r8:854b9e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.546693][ T32] r4:854b9e00 [ 1337.546744][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.546827][ T32] r10:00000000 r9:854b9e00 r8:80287e08 r7:eb26de60 r6:854b9e80 r5:85470c00 [ 1337.546858][ T32] r4:00000001 [ 1337.546880][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.546949][ T32] Exception stack(0xeb271fb0 to 0xeb271ff8) [ 1337.546984][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.547026][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.547081][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.547117][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.547143][ T32] r4:854b7c00 [ 1337.547601][ T32] INFO: task kworker/1:650:4671 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.547641][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.547765][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.547815][ T32] Call trace: [ 1337.547847][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.547902][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.547927][ T32] r4:00000000 [ 1337.547948][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.547990][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.548021][ T32] dd20: 8666e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.548055][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.548126][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.548162][ T32] r5:800d0013 r4:80239bb0 [ 1337.548215][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 5 printk messages dropped ** [ 1337.548491][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 7 printk messages dropped ** [ 1337.549047][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.549068][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.549119][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.549285][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.559779][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.559827][ T32] r4:84ab5800 [ 1337.559852][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.559920][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.559945][ T32] r4:00000001 [ 1337.559966][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.560036][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.560075][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.560106][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.560137][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.560200][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.560230][ T32] r4:84ab0640 [ 1337.560256][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.560316][ T32] INFO: task kworker/1:651:4672 blocked for more than 463 seconds. [ 1337.560410][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.560442][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.560554][ T32] task:kworker/1:651 state:D stack:0 pid:4672 tgid:4672 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.560633][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.560770][ T32] Call trace: [ 1337.560818][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.560882][ T32] r10:8291a684 r9:eb269d84 r8:00000002 r7:60000113 r6:eb269d8c r5:85471800 [ 1337.560942][ T32] r4:85471800 [ 1337.560996][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.561084][ T32] r5:85471800 r4:8291a680 [ 1337.561336][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.561406][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.561457][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb269e08 ** 3 printk messages dropped ** [ 1337.561728][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1337.562116][ T32] r5:854dfb8c r4:854df800 [ 1337.562235][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.562291][ T32] r7:ddde2d80 r6:83018200 r5:854dfb8c r4:854b9f00 ** 1 printk messages dropped ** [ 1337.562370][ T32] r10:61c88647 r9:85471800 r8:854b9f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1337.562571][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1337.562980][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1337.563610][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1337.564223][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 2 printk messages dropped ** [ 1337.564324][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1337.564561][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1337.564739][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 6 printk messages dropped ** [ 1337.565061][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1337.565347][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1337.565512][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1337.565750][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.565778][ T32] INFO: task kworker/1:652:4675 blocked for more than 463 seconds. [ 1337.565809][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.565912][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.565941][ T32] task:kworker/1:652 state:D stack:0 pid:4675 tgid:4675 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.566023][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.566191][ T32] Call trace: [ 1337.566288][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.566346][ T32] r10:8291a684 r9:eb279d84 r8:00000002 r7:60000113 r6:eb279d8c r5:85472400 [ 1337.566385][ T32] r4:85472400 [ 1337.566412][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.566460][ T32] r5:85472400 r4:8291a680 [ 1337.566482][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.566522][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.566571][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb279e08 [ 1337.566596][ T32] r4:00000000 [ 1337.566617][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.566654][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.566692][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.566737][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841ca040 [ 1337.566761][ T32] r4:00000000 [ 1337.566812][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.566867][ T32] r9:83018205 r8:85472400 r7:00000000 r6:83018200 r5:00001000 r4:7f00f000 [ 1337.566891][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.566936][ T32] r5:00001000 r4:df9c1000 [ 1337.567015][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.567066][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.567262][ T32] r5:854dff8c r4:854dfc00 [ 1337.567290][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.567355][ T32] r7:ddde2d80 r6:83018200 r5:854dff8c r4:849d4000 [ 1337.567382][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.567449][ T32] r10:61c88647 r9:85472400 r8:849d402c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.567479][ T32] r4:849d4000 [ 1337.567503][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.567558][ T32] r10:00000000 r9:849d4000 r8:80287e08 r7:eb271e60 r6:849d4080 r5:85472400 [ 1337.567671][ T32] r4:00000001 [ 1337.567700][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.567842][ T32] Exception stack(0xeb279fb0 to 0xeb279ff8) [ 1337.568088][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.568197][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.568232][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.568353][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.568559][ T32] r4:841ca000 [ 1337.568801][ T32] INFO: task kworker/1:652:4675 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.568866][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.568950][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.569057][ T32] Call trace: [ 1337.569122][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.569181][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.569207][ T32] r4:00000000 [ 1337.569383][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.594670][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.594743][ T32] dd20: 86a62000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.594779][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.594807][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.594838][ T32] r5:800d0013 r4:80239bb0 [ 1337.594906][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.594985][ T32] r4:82ac21e4 [ 1337.595009][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.595080][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.595119][ T32] r4:e044ddc0 [ 1337.595151][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.595200][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 7 printk messages dropped ** [ 1337.595560][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1337.595827][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 8 printk messages dropped ** [ 1337.596125][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.596158][ T32] INFO: task kworker/1:653:4677 blocked for more than 464 seconds. [ 1337.596195][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.596237][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.596269][ T32] task:kworker/1:653 state:D stack:0 pid:4677 tgid:4677 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.596361][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.596417][ T32] Call trace: [ 1337.596457][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.596569][ T32] r10:8291a684 r9:eaf8dd84 r8:00000002 r7:60000113 r6:eaf8dd8c r5:85473000 [ 1337.596602][ T32] r4:85473000 [ 1337.596626][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.596675][ T32] r5:85473000 r4:8291a680 [ 1337.596699][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.596769][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.596822][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf8de08 [ 1337.596848][ T32] r4:00000000 [ 1337.596868][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.596927][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.596997][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.597056][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841ca5c0 [ 1337.597083][ T32] r4:00000000 [ 1337.597107][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.597181][ T32] r9:83018205 r8:85473000 r7:00000000 r6:83018200 r5:00001000 r4:7f02d000 [ 1337.597238][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.597290][ T32] r5:00001000 r4:dfe03000 ** 2 printk messages dropped ** [ 1337.597403][ T32] r5:854ecb8c r4:854ec800 [ 1337.597438][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.597508][ T32] r7:ddde2d80 r6:83018200 r5:854ecb8c r4:849d4100 [ 1337.597537][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.597607][ T32] r10:61c88647 r9:85473000 r8:849d412c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.597662][ T32] r4:849d4100 [ 1337.597688][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.597769][ T32] r10:00000000 r9:849d4100 r8:80287e08 r7:eb271e60 r6:849d4180 r5:85473000 [ 1337.597812][ T32] r4:00000001 [ 1337.597837][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.597876][ T32] Exception stack(0xeaf8dfb0 to 0xeaf8dff8) [ 1337.597905][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.597963][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.597998][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.598066][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.598095][ T32] r4:841ca1c0 [ 1337.598590][ T32] INFO: task kworker/1:653:4677 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.598632][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.598698][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.598774][ T32] Call trace: [ 1337.598853][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.598915][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.598943][ T32] r4:00000000 [ 1337.598965][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.599070][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.599196][ T32] dd20: 86a62000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.599233][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 3 printk messages dropped ** [ 1337.611958][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1337.612160][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1337.612438][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1337.612818][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 8 printk messages dropped ** [ 1337.613107][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 4 printk messages dropped ** [ 1337.613352][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.613406][ T32] Call trace: [ 1337.613442][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.613526][ T32] r10:8291a684 r9:eafbdd84 r8:00000002 r7:60000113 r6:eafbdd8c r5:85473c00 [ 1337.613563][ T32] r4:85473c00 [ 1337.613587][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.613659][ T32] r5:85473c00 r4:8291a680 [ 1337.613686][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.613733][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.613779][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafbde08 [ 1337.613804][ T32] r4:00000000 [ 1337.613824][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.613861][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.613897][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.613941][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841ca480 [ 1337.613966][ T32] r4:00000000 [ 1337.613987][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.614034][ T32] r9:83018205 r8:85473c00 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 ** 3 printk messages dropped ** [ 1337.614169][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.614213][ T32] r5:854ec78c r4:854ec400 [ 1337.614235][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1337.614372][ T32] r10:61c88647 r9:85473c00 r8:849d422c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1337.614547][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1337.614770][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1337.615354][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1337.615628][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1337.615801][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 4 printk messages dropped ** [ 1337.616034][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 4 printk messages dropped ** [ 1337.616206][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1337.616336][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1337.616654][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 2 printk messages dropped ** [ 1337.616789][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1337.616931][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1337.617026][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1337.617198][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1337.617507][ T32] r4:85474800 ** 4 printk messages dropped ** [ 1337.617730][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb091e08 [ 1337.617757][ T32] r4:00000000 [ 1337.617779][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.617816][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.617853][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.618001][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841ca780 [ 1337.618041][ T32] r4:00000000 [ 1337.618092][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.618146][ T32] r9:83018205 r8:85474800 r7:00000000 r6:83018200 r5:00001000 r4:7f02f000 [ 1337.618172][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.618277][ T32] r5:00001000 r4:dfe8d000 [ 1337.618415][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.618493][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.618545][ T32] r5:854ecf8c r4:854ecc00 [ 1337.618573][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.618624][ T32] r7:ddde2d80 r6:83018200 r5:854ecf8c r4:849d4300 [ 1337.618646][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.618699][ T32] r10:61c88647 r9:85474800 r8:849d432c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.618751][ T32] r4:849d4300 [ 1337.618778][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 4 printk messages dropped ** [ 1337.618997][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1337.642283][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1337.642622][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1337.642847][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1337.643322][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1337.643587][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1337.643849][ T32] INFO: task kworker/1:656:4683 blocked for more than 464 seconds. ** 7 printk messages dropped ** [ 1337.644311][ T32] r4:85475400 [ 1337.644334][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.644382][ T32] r5:85475400 r4:8291a680 [ 1337.644403][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.644445][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.644492][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0a1e08 [ 1337.644535][ T32] r4:00000000 [ 1337.644565][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.644744][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.644789][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.644834][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841ca900 [ 1337.644858][ T32] r4:00000000 [ 1337.644880][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.644930][ T32] r9:83018205 r8:85475400 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 [ 1337.644956][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1337.645146][ T32] r5:854ed38c r4:854ed000 [ 1337.645169][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1337.645471][ T32] r4:849d4400 ** 7 printk messages dropped ** [ 1337.645723][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1337.646504][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1337.646709][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1337.647054][ T32] r4:e044ddc0 [ 1337.647233][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.647288][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.647316][ T32] r4:00000000 [ 1337.647337][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.647388][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.647411][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.647549][ T32] r5:00001000 r4:ed353000 [ 1337.647582][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.647694][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.647754][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.647778][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.647830][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.647855][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.647906][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.647930][ T32] r4:84ab5800 [ 1337.647951][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.648000][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.648026][ T32] r4:00000001 [ 1337.648046][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.648084][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.648112][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.648143][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.648174][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.648205][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.648230][ T32] r4:84ab0640 [ 1337.648252][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.648280][ T32] INFO: task kworker/1:657:4686 blocked for more than 464 seconds. [ 1337.648335][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.648366][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.648389][ T32] task:kworker/1:657 state:D stack:0 pid:4686 tgid:4686 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.648461][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.648523][ T32] Call trace: [ 1337.648563][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.648624][ T32] r10:8291a684 r9:eb0add84 r8:00000002 r7:60000113 r6:eb0add8c r5:85476000 [ 1337.648665][ T32] r4:85476000 [ 1337.648716][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.648769][ T32] r5:85476000 r4:8291a680 [ 1337.648792][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.648834][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.648877][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0ade08 [ 1337.648901][ T32] r4:00000000 [ 1337.648921][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.648957][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.649007][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.649111][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841caa40 [ 1337.649150][ T32] r4:00000000 [ 1337.649172][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.649223][ T32] r9:83018205 r8:85476000 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 [ 1337.649357][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.673503][ T32] r5:00001000 r4:e0495000 [ 1337.673602][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.673709][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.673766][ T32] r5:854ed78c r4:854ed400 [ 1337.673791][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.673870][ T32] r7:ddde2d80 r6:83018200 r5:854ed78c r4:849d4500 [ 1337.673900][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.673958][ T32] r10:61c88647 r9:85476000 r8:849d452c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.673985][ T32] r4:849d4500 [ 1337.674009][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.674060][ T32] r10:00000000 r9:849d4500 r8:80287e08 r7:eb0a1e60 r6:849d4580 r5:85476000 [ 1337.674087][ T32] r4:00000001 [ 1337.674123][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.674171][ T32] Exception stack(0xeb0adfb0 to 0xeb0adff8) [ 1337.674206][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.674292][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.674331][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.674365][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.674389][ T32] r4:841ca700 [ 1337.674862][ T32] INFO: task kworker/1:657:4686 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.674905][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 1 printk messages dropped ** [ 1337.675043][ T32] Call trace: ** 1 printk messages dropped ** [ 1337.675141][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1337.675322][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 3 printk messages dropped ** [ 1337.675461][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 4 printk messages dropped ** [ 1337.675677][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1337.675892][ T32] r5:00001000 r4:ed353000 ** 2 printk messages dropped ** [ 1337.676094][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.676116][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.676167][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.676206][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.676264][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.676304][ T32] r4:84ab5800 [ 1337.676334][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.676387][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.676437][ T32] r4:00000001 [ 1337.676463][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.676630][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.676669][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.676702][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.676731][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.676762][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.676786][ T32] r4:84ab0640 [ 1337.676810][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.676844][ T32] INFO: task kworker/1:658:4687 blocked for more than 464 seconds. [ 1337.676882][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.676911][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.676943][ T32] task:kworker/1:658 state:D stack:0 pid:4687 tgid:4687 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.677011][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.677089][ T32] Call trace: [ 1337.677128][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.677182][ T32] r10:8291a684 r9:eb10dd84 r8:00000002 r7:60000113 r6:eb10dd8c r5:85476c00 [ 1337.677234][ T32] r4:85476c00 [ 1337.677262][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.677312][ T32] r5:85476c00 r4:8291a680 [ 1337.677335][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.677378][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.677423][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb10de08 [ 1337.677447][ T32] r4:00000000 [ 1337.677468][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.677504][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.677543][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.677596][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cad80 [ 1337.677621][ T32] r4:00000000 [ 1337.677661][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.677801][ T32] r9:83018205 r8:85476c00 r7:00000000 r6:83018200 r5:00001000 r4:7f037000 [ 1337.677831][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.677879][ T32] r5:00001000 r4:e05e7000 [ 1337.677900][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.677946][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.677991][ T32] r5:854edf8c r4:854edc00 [ 1337.678013][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.678064][ T32] r7:ddde2d80 r6:83018200 r5:854edf8c r4:849d4600 [ 1337.678087][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.678137][ T32] r10:61c88647 r9:85476c00 r8:849d462c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.678162][ T32] r4:849d4600 [ 1337.678253][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.678339][ T32] r10:00000000 r9:849d4600 r8:80287e08 r7:eb0ade60 r6:849d4680 r5:85476c00 [ 1337.678380][ T32] r4:00000001 [ 1337.678406][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.678446][ T32] Exception stack(0xeb10dfb0 to 0xeb10dff8) [ 1337.678475][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.678506][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.678536][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.678577][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.678602][ T32] r4:841caac0 [ 1337.678874][ T32] INFO: task kworker/1:658:4687 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.678956][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.679040][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.679089][ T32] Call trace: [ 1337.679153][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.679210][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.679236][ T32] r4:00000000 [ 1337.679311][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.688473][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.688553][ T32] dd20: 872e3000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.688591][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.688642][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.688679][ T32] r5:800d0013 r4:80239bb0 [ 1337.688735][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.688801][ T32] r4:82ac21e4 [ 1337.688845][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.688905][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.688960][ T32] r4:e044ddc0 [ 1337.689040][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.689093][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.689201][ T32] r4:00000000 [ 1337.689290][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.689811][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.689850][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.689913][ T32] r5:00001000 r4:ed353000 [ 1337.689937][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.689982][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.690029][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.690070][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.690142][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.690171][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.690227][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.690252][ T32] r4:84ab5800 [ 1337.690275][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.690333][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.690386][ T32] r4:00000001 [ 1337.690441][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.690488][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.690521][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.690595][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.690630][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.690664][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.690689][ T32] r4:84ab0640 [ 1337.690716][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.690750][ T32] INFO: task kworker/1:659:4689 blocked for more than 464 seconds. [ 1337.690788][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.690816][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.690840][ T32] task:kworker/1:659 state:D stack:0 pid:4689 tgid:4689 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.690906][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.690972][ T32] Call trace: [ 1337.691033][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.691092][ T32] r10:8291a684 r9:eb115d84 r8:00000002 r7:60000113 r6:eb115d8c r5:85478000 [ 1337.691130][ T32] r4:85478000 [ 1337.691162][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.691213][ T32] r5:85478000 r4:8291a680 [ 1337.691236][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.691293][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.691352][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb115e08 [ 1337.691380][ T32] r4:00000000 [ 1337.691401][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.691452][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.691497][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.691543][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cab80 [ 1337.691567][ T32] r4:00000000 [ 1337.691588][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.691636][ T32] r9:83018205 r8:85478000 r7:00000000 r6:83018200 r5:00001000 r4:7f035000 [ 1337.691808][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.691860][ T32] r5:00001000 r4:e0507000 [ 1337.691923][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.691972][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.692020][ T32] r5:854edb8c r4:854ed800 [ 1337.692043][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.692092][ T32] r7:ddde2d80 r6:83018200 r5:854edb8c r4:849d4700 [ 1337.692245][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.692308][ T32] r10:61c88647 r9:85478000 r8:849d472c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.692335][ T32] r4:849d4700 [ 1337.692356][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.692405][ T32] r10:00000000 r9:849d4700 r8:80287e08 r7:eb10de60 r6:849d4780 r5:85478000 [ 1337.692429][ T32] r4:00000001 [ 1337.692450][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.692524][ T32] Exception stack(0xeb115fb0 to 0xeb115ff8) [ 1337.692621][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.692662][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.692734][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.692799][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.692843][ T32] r4:841ca700 [ 1337.693283][ T32] INFO: task kworker/1:659:4689 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.693328][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.693433][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.693484][ T32] Call trace: [ 1337.693518][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.693574][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.693600][ T32] r4:00000000 [ 1337.693639][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.693687][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.693718][ T32] dd20: 872e3000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.693777][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.693810][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.693837][ T32] r5:800d0013 r4:80239bb0 [ 1337.693874][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.693924][ T32] r4:82ac21e4 [ 1337.693948][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.693995][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.694020][ T32] r4:e044ddc0 [ 1337.694042][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.694087][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.694112][ T32] r4:00000000 [ 1337.694134][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.694183][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.694224][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.694276][ T32] r5:00001000 r4:ed353000 [ 1337.694301][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.694352][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.694399][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.694423][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.694472][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.694495][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.694547][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.694571][ T32] r4:84ab5800 [ 1337.694592][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.694642][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.694667][ T32] r4:00000001 [ 1337.694689][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.694742][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.694803][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.694838][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.694869][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.694901][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.694927][ T32] r4:84ab0640 [ 1337.694948][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.694975][ T32] INFO: task kworker/1:660:4691 blocked for more than 464 seconds. [ 1337.695005][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.695044][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.695072][ T32] task:kworker/1:660 state:D stack:0 pid:4691 tgid:4691 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.695121][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.695166][ T32] Call trace: [ 1337.695229][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.695283][ T32] r10:8291a684 r9:eb11dd84 r8:00000002 r7:60000113 r6:eb11dd8c r5:85478c00 [ 1337.695316][ T32] r4:85478c00 [ 1337.695364][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.695417][ T32] r5:85478c00 r4:8291a680 [ 1337.695440][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.695482][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.695526][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb11de08 [ 1337.695562][ T32] r4:00000000 [ 1337.695587][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.695626][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.695663][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.695732][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841caec0 [ 1337.695766][ T32] r4:00000000 [ 1337.695789][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.695838][ T32] r9:83018205 r8:85478c00 r7:00000000 r6:83018200 r5:00001000 r4:7f039000 [ 1337.695861][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.695906][ T32] r5:00001000 r4:e067b000 [ 1337.695929][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.695971][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.696044][ T32] r5:854ee38c r4:854ee000 [ 1337.696073][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.696124][ T32] r7:ddde2d80 r6:83018200 r5:854ee38c r4:849d4800 [ 1337.696147][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.696198][ T32] r10:61c88647 r9:85478c00 r8:849d482c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.696224][ T32] r4:849d4800 [ 1337.696272][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.696357][ T32] r10:00000000 r9:849d4800 r8:80287e08 r7:eb10de60 r6:849d4880 r5:85478c00 [ 1337.696388][ T32] r4:00000001 [ 1337.696412][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.696453][ T32] Exception stack(0xeb11dfb0 to 0xeb11dff8) [ 1337.696521][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.696560][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.696590][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.696655][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.696771][ T32] r4:841cac00 [ 1337.697010][ T32] INFO: task kworker/1:660:4691 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.697048][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.697109][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.697157][ T32] Call trace: [ 1337.697210][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.697269][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.697296][ T32] r4:00000000 [ 1337.697323][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.697368][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.697399][ T32] dd20: 872e3000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.697430][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.697457][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.697484][ T32] r5:800d0013 r4:80239bb0 [ 1337.697506][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.697549][ T32] r4:82ac21e4 [ 1337.697587][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.697637][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.697690][ T32] r4:e044ddc0 [ 1337.697717][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.697789][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.697898][ T32] r4:00000000 [ 1337.697925][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.697977][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.698000][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.698046][ T32] r5:00001000 r4:ed353000 [ 1337.698069][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.698111][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.698163][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.698187][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.698238][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.698262][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.698361][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.698392][ T32] r4:84ab5800 [ 1337.698427][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.698483][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.698509][ T32] r4:00000001 [ 1337.698532][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.698572][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.698601][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.698633][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.698663][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.698751][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.698802][ T32] r4:84ab0640 [ 1337.698829][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.698856][ T32] INFO: task kworker/1:661:4693 blocked for more than 464 seconds. [ 1337.698885][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.698970][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.698999][ T32] task:kworker/1:661 state:D stack:0 pid:4693 tgid:4693 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.699162][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.736893][ T32] Call trace: [ 1337.737026][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.737137][ T32] r10:8291a684 r9:eb135d84 r8:00000002 r7:60000113 r6:eb135d8c r5:85479800 [ 1337.737194][ T32] r4:85479800 [ 1337.737222][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.737272][ T32] r5:85479800 r4:8291a680 [ 1337.737317][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.737367][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.737422][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb135e08 [ 1337.737446][ T32] r4:00000000 [ 1337.737469][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.737528][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.737610][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.737664][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849d0040 [ 1337.737723][ T32] r4:00000000 [ 1337.737772][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.737851][ T32] r9:83018205 r8:85479800 r7:00000000 r6:83018200 r5:00001000 r4:7f03d000 [ 1337.737881][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.737932][ T32] r5:00001000 r4:ea781000 [ 1337.737954][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.737998][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.738057][ T32] r5:854eeb8c r4:854ee800 [ 1337.738106][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.738164][ T32] r7:ddde2d80 r6:83018200 r5:854eeb8c r4:849d4900 [ 1337.738188][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.738265][ T32] r10:61c88647 r9:85479800 r8:849d492c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.738335][ T32] r4:849d4900 [ 1337.738363][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.738429][ T32] r10:00000000 r9:849d4900 r8:80287e08 r7:eb11de60 r6:849d4980 r5:85479800 [ 1337.738454][ T32] r4:00000001 [ 1337.738475][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.738516][ T32] Exception stack(0xeb135fb0 to 0xeb135ff8) [ 1337.738549][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.738581][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.738609][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.738642][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.738666][ T32] r4:841cad40 [ 1337.739153][ T32] INFO: task kworker/1:661:4693 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.739221][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.744748][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.744850][ T32] Call trace: [ 1337.744889][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.744975][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.745007][ T32] r4:00000000 [ 1337.745030][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.745077][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.745109][ T32] dd20: 87b68000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.745166][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.745198][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.745226][ T32] r5:800d0013 r4:80239bb0 [ 1337.745249][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.745296][ T32] r4:82ac21e4 [ 1337.745318][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.745414][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.745445][ T32] r4:e044ddc0 [ 1337.745490][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.745541][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.745567][ T32] r4:00000000 [ 1337.745589][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.745640][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.745663][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.745709][ T32] r5:00001000 r4:ed353000 [ 1337.745730][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.745784][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.745858][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.745885][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.745939][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.745963][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.746014][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.746060][ T32] r4:84ab5800 [ 1337.746086][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.746137][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.746161][ T32] r4:00000001 [ 1337.746183][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.746221][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.746271][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.746306][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.746336][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.746413][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.746443][ T32] r4:84ab0640 [ 1337.746494][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.746531][ T32] INFO: task kworker/1:662:4694 blocked for more than 464 seconds. [ 1337.746593][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.746625][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.746651][ T32] task:kworker/1:662 state:D stack:0 pid:4694 tgid:4694 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.746733][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.746821][ T32] Call trace: [ 1337.746859][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.746912][ T32] r10:8291a684 r9:eac99d84 r8:00000002 r7:60000113 r6:eac99d8c r5:8547a400 [ 1337.746937][ T32] r4:8547a400 [ 1337.746981][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.747057][ T32] r5:8547a400 r4:8291a680 [ 1337.747105][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.747175][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.747235][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac99e08 [ 1337.747288][ T32] r4:00000000 [ 1337.747317][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.747408][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.747451][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.747496][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b7e40 [ 1337.747527][ T32] r4:00000000 [ 1337.747561][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.747629][ T32] r9:83018205 r8:8547a400 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 [ 1337.747698][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.747750][ T32] r5:00001000 r4:e46fd000 [ 1337.747773][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.747815][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.747860][ T32] r5:854ee78c r4:854ee400 [ 1337.747881][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.747993][ T32] r7:ddde2d80 r6:83018200 r5:854ee78c r4:849d4a00 [ 1337.748056][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.748114][ T32] r10:61c88647 r9:8547a400 r8:849d4a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.748140][ T32] r4:849d4a00 [ 1337.748229][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.748342][ T32] r10:00000000 r9:849d4a00 r8:80287e08 r7:eb135e60 r6:849d4a80 r5:8547a400 [ 1337.748385][ T32] r4:00000001 [ 1337.748412][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.748452][ T32] Exception stack(0xeac99fb0 to 0xeac99ff8) [ 1337.748480][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.748530][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.748563][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.748595][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.748620][ T32] r4:841cad40 [ 1337.749089][ T32] INFO: task kworker/1:662:4694 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.749161][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.749325][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.763209][ T32] Call trace: [ 1337.763269][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.763386][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.763586][ T32] r4:00000000 [ 1337.763616][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.763670][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.763707][ T32] dd20: 87c56000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.763738][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.763767][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.763794][ T32] r5:800d0013 r4:80239bb0 [ 1337.763821][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.763871][ T32] r4:82ac21e4 [ 1337.763894][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.764014][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.764044][ T32] r4:e044ddc0 [ 1337.764071][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.764121][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.764147][ T32] r4:00000000 [ 1337.764284][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.764379][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.764411][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.764463][ T32] r5:00001000 r4:ed353000 [ 1337.764551][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.764605][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.764654][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.764705][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.764764][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.764803][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.764860][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.764986][ T32] r4:84ab5800 [ 1337.765013][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.765068][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.765093][ T32] r4:00000001 [ 1337.765114][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.765170][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.765206][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.765237][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.765488][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.765527][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.765552][ T32] r4:84ab0640 [ 1337.765578][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.765631][ T32] INFO: task kworker/1:663:4697 blocked for more than 464 seconds. [ 1337.765713][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.765745][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.765772][ T32] task:kworker/1:663 state:D stack:0 pid:4697 tgid:4697 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.765837][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.765959][ T32] Call trace: [ 1337.766077][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.766159][ T32] r10:8291a684 r9:eb145d84 r8:00000002 r7:60000113 r6:eb145d8c r5:8547b000 [ 1337.766189][ T32] r4:8547b000 [ 1337.766212][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.766388][ T32] r5:8547b000 r4:8291a680 [ 1337.766417][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.766462][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.766509][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb145e08 [ 1337.766533][ T32] r4:00000000 [ 1337.766553][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.766590][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.766643][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.766692][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849d0280 [ 1337.766718][ T32] r4:00000000 [ 1337.766738][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.766844][ T32] r9:83018205 r8:8547b000 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000 [ 1337.766872][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.766920][ T32] r5:00001000 r4:ea7ed000 [ 1337.766941][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.767055][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.767108][ T32] r5:854eef8c r4:854eec00 [ 1337.767130][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.767179][ T32] r7:ddde2d80 r6:83018200 r5:854eef8c r4:849d4b00 [ 1337.767230][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.767285][ T32] r10:61c88647 r9:8547b000 r8:849d4b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.767337][ T32] r4:849d4b00 [ 1337.767378][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.767435][ T32] r10:00000000 r9:849d4b00 r8:80287e08 r7:eb135e60 r6:849d4b80 r5:8547b000 [ 1337.767459][ T32] r4:00000001 [ 1337.767482][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.767520][ T32] Exception stack(0xeb145fb0 to 0xeb145ff8) [ 1337.767549][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.767579][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.767607][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.767645][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.767673][ T32] r4:849d01c0 [ 1337.768144][ T32] INFO: task kworker/1:663:4697 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.768184][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.768343][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.768400][ T32] Call trace: [ 1337.768433][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.768488][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.768538][ T32] r4:00000000 [ 1337.768689][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.768861][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.768897][ T32] dd20: 87c56000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.768959][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.768992][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.769020][ T32] r5:800d0013 r4:80239bb0 [ 1337.769043][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.769088][ T32] r4:82ac21e4 [ 1337.769125][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.769175][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.769399][ T32] r4:e044ddc0 [ 1337.791515][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.791727][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.791791][ T32] r4:00000000 [ 1337.791842][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.791982][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.792047][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.792153][ T32] r5:00001000 r4:ed353000 [ 1337.792214][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.792310][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.792449][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.792536][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.792680][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.792759][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.792875][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.792933][ T32] r4:84ab5800 [ 1337.792977][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.793083][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.793139][ T32] r4:00000001 [ 1337.793200][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.793288][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.793365][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.793443][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.793507][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.793586][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.793646][ T32] r4:84ab0640 [ 1337.793697][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.793784][ T32] INFO: task kworker/1:664:4699 blocked for more than 464 seconds. [ 1337.793864][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.793937][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.793989][ T32] task:kworker/1:664 state:D stack:0 pid:4699 tgid:4699 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.794119][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.794219][ T32] Call trace: [ 1337.794294][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.794413][ T32] r10:8291a684 r9:eb18dd84 r8:00000002 r7:60000013 r6:eb18dd8c r5:8547bc00 [ 1337.794478][ T32] r4:8547bc00 [ 1337.794552][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.794653][ T32] r5:8547bc00 r4:8291a680 [ 1337.794708][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.794795][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.794892][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb18de08 [ 1337.794971][ T32] r4:00000000 [ 1337.795052][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.795136][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.795215][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.795348][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849d05c0 [ 1337.795422][ T32] r4:00000000 [ 1337.795465][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.795566][ T32] r9:83018205 r8:8547bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f043000 [ 1337.795620][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.795714][ T32] r5:00001000 r4:eaa0f000 [ 1337.795760][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.795851][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.795975][ T32] r5:854ef78c r4:854ef400 [ 1337.796043][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.796149][ T32] r7:ddde2d80 r6:83018200 r5:854ef78c r4:849d4c00 [ 1337.796198][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.796299][ T32] r10:61c88647 r9:8547bc00 r8:849d4c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.796377][ T32] r4:849d4c00 [ 1337.796431][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.796567][ T32] r10:00000000 r9:849d4c00 r8:80287e08 r7:eb145e60 r6:849d4c80 r5:8547bc00 [ 1337.796672][ T32] r4:00000001 [ 1337.796735][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.796833][ T32] Exception stack(0xeb18dfb0 to 0xeb18dff8) [ 1337.796897][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.796958][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.797020][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.797089][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.797138][ T32] r4:849d01c0 [ 1337.797937][ T32] INFO: task kworker/1:664:4699 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.798044][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.798260][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.798495][ T32] Call trace: [ 1337.798591][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.798707][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.798768][ T32] r4:00000000 [ 1337.798809][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.798899][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.798966][ T32] dd20: 87f09000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.799033][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.799091][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.799149][ T32] r5:800d0013 r4:80239bb0 [ 1337.799195][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.835269][ T32] r4:82ac21e4 [ 1337.835492][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.835653][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.835748][ T32] r4:e044ddc0 [ 1337.835895][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.836012][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.836075][ T32] r4:00000000 [ 1337.836124][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.836231][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.836289][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.836402][ T32] r5:00001000 r4:ed353000 [ 1337.836450][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.836567][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.836669][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.836749][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.836868][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.836922][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.837028][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.837081][ T32] r4:84ab5800 [ 1337.837126][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.837228][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.837286][ T32] r4:00000001 [ 1337.837347][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.837484][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.837585][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.837681][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.837749][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.837812][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.837870][ T32] r4:84ab0640 [ 1337.837918][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.837991][ T32] INFO: task kworker/1:665:4702 blocked for more than 464 seconds. [ 1337.838066][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.838123][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.838184][ T32] task:kworker/1:665 state:D stack:0 pid:4702 tgid:4702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.838343][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.838447][ T32] Call trace: [ 1337.838530][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.838643][ T32] r10:8291a684 r9:eb285d84 r8:00000002 r7:60000113 r6:eb285d8c r5:8547c800 [ 1337.838731][ T32] r4:8547c800 [ 1337.838810][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.838909][ T32] r5:8547c800 r4:8291a680 [ 1337.838955][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.839042][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.839136][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb285e08 [ 1337.839192][ T32] r4:00000000 [ 1337.839234][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.844725][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.844928][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.845043][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849d0480 [ 1337.845099][ T32] r4:00000000 [ 1337.845150][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.845273][ T32] r9:83018205 r8:8547c800 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 [ 1337.845370][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.845504][ T32] r5:00001000 r4:ea9e3000 [ 1337.845563][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.845683][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.845790][ T32] r5:854ef38c r4:854ef000 [ 1337.845836][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.845941][ T32] r7:ddde2d80 r6:83018200 r5:854ef38c r4:849d4d00 [ 1337.845992][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.846095][ T32] r10:61c88647 r9:8547c800 r8:849d4d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.846150][ T32] r4:849d4d00 [ 1337.846226][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.846330][ T32] r10:00000000 r9:849d4d00 r8:80287e08 r7:eb18de60 r6:849d4d80 r5:8547c800 [ 1337.846419][ T32] r4:00000001 [ 1337.846471][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.846556][ T32] Exception stack(0xeb285fb0 to 0xeb285ff8) [ 1337.846623][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.846705][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.846769][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.846836][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.846880][ T32] r4:849d0300 [ 1337.847652][ T32] INFO: task kworker/1:665:4702 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.847739][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.847893][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.848007][ T32] Call trace: [ 1337.848121][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.848235][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.848291][ T32] r4:00000000 [ 1337.848340][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.848436][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.848517][ T32] dd20: 88336000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.848582][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.848642][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.848697][ T32] r5:800d0013 r4:80239bb0 [ 1337.848745][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.848838][ T32] r4:82ac21e4 [ 1337.848887][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.848976][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.849027][ T32] r4:e044ddc0 [ 1337.849072][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.849192][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.849248][ T32] r4:00000000 [ 1337.849370][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.875571][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.875716][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.875910][ T32] r5:00001000 r4:ed353000 [ 1337.875965][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.876063][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.876173][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.876237][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.876382][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.876533][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.876676][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.876734][ T32] r4:84ab5800 [ 1337.876782][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.876907][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.876968][ T32] r4:00000001 [ 1337.877029][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.877134][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.877211][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.877277][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.877333][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.877426][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.877460][ T32] r4:84ab0640 [ 1337.877545][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.877654][ T32] INFO: task kworker/1:666:4703 blocked for more than 464 seconds. [ 1337.877736][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.877826][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.877884][ T32] task:kworker/1:666 state:D stack:0 pid:4703 tgid:4703 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.878012][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.878114][ T32] Call trace: [ 1337.878224][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.878378][ T32] r10:8291a684 r9:eb289d84 r8:00000002 r7:60000113 r6:eb289d8c r5:8547d400 [ 1337.878434][ T32] r4:8547d400 [ 1337.878481][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.878595][ T32] r5:8547d400 r4:8291a680 [ 1337.878668][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.878760][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.878858][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb289e08 [ 1337.878913][ T32] r4:00000000 [ 1337.878956][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.879036][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.879156][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.879329][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849d0780 [ 1337.884322][ T32] r4:00000000 [ 1337.884428][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.884639][ T32] r9:83018205 r8:8547d400 r7:00000000 r6:83018200 r5:00001000 r4:7f045000 [ 1337.884705][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.884814][ T32] r5:00001000 r4:eaa2b000 [ 1337.884859][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.884953][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.885048][ T32] r5:854efb8c r4:854ef800 [ 1337.885100][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.885205][ T32] r7:ddde2d80 r6:83018200 r5:854efb8c r4:849d4e00 [ 1337.885257][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.885385][ T32] r10:61c88647 r9:8547d400 r8:849d4e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.885447][ T32] r4:849d4e00 [ 1337.885511][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.885638][ T32] r10:00000000 r9:849d4e00 r8:80287e08 r7:eb18de60 r6:849d4e80 r5:8547d400 [ 1337.885693][ T32] r4:00000001 [ 1337.885780][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.885874][ T32] Exception stack(0xeb289fb0 to 0xeb289ff8) [ 1337.885942][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.886009][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.886075][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.886172][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.886232][ T32] r4:849d0440 [ 1337.886994][ T32] INFO: task kworker/1:666:4703 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.887109][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.887323][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.887457][ T32] Call trace: [ 1337.887531][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.887650][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.887707][ T32] r4:00000000 [ 1337.887786][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.887913][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.888018][ T32] dd20: 88654000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.888125][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.888193][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.888262][ T32] r5:800d0013 r4:80239bb0 [ 1337.888346][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.888460][ T32] r4:82ac21e4 [ 1337.888546][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.888645][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.888704][ T32] r4:e044ddc0 [ 1337.888765][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.888861][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.888918][ T32] r4:00000000 [ 1337.888963][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.889095][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.889179][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.889353][ T32] r5:00001000 r4:ed353000 [ 1337.915238][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.915431][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.915557][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.915632][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.915820][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.915881][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.915988][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.916054][ T32] r4:84ab5800 [ 1337.916099][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.916225][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.916303][ T32] r4:00000001 [ 1337.916390][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.916488][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.916602][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.916696][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.916761][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.916859][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.916919][ T32] r4:84ab0640 [ 1337.917035][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.917117][ T32] INFO: task kworker/1:667:4706 blocked for more than 464 seconds. [ 1337.917192][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.917248][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.917298][ T32] task:kworker/1:667 state:D stack:0 pid:4706 tgid:4706 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.917429][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.917603][ T32] Call trace: [ 1337.917748][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.917861][ T32] r10:8291a684 r9:eb28dd84 r8:00000002 r7:60000113 r6:eb28dd8c r5:8547e000 [ 1337.917917][ T32] r4:8547e000 [ 1337.917959][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.918071][ T32] r5:8547e000 r4:8291a680 [ 1337.918130][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.918246][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.918367][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb28de08 [ 1337.918425][ T32] r4:00000000 [ 1337.918498][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.918577][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.918700][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.918823][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849d0f40 [ 1337.918881][ T32] r4:00000000 [ 1337.918924][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.919033][ T32] r9:83018205 r8:8547e000 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 [ 1337.919089][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.919184][ T32] r5:00001000 r4:eae37000 [ 1337.919230][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.924245][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.924542][ T32] r5:854f4f8c r4:854f4c00 [ 1337.924599][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.924706][ T32] r7:ddde2d80 r6:83018200 r5:854f4f8c r4:849d4f00 [ 1337.924758][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.924908][ T32] r10:61c88647 r9:8547e000 r8:849d4f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.924969][ T32] r4:849d4f00 [ 1337.925014][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.925157][ T32] r10:00000000 r9:849d4f00 r8:80287e08 r7:eb289e60 r6:849d4f80 r5:8547e000 [ 1337.925217][ T32] r4:00000001 [ 1337.925289][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.925383][ T32] Exception stack(0xeb28dfb0 to 0xeb28dff8) [ 1337.925452][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.925517][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.925571][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.925677][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.925743][ T32] r4:849d0600 [ 1337.926457][ T32] INFO: task kworker/1:667:4706 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.926566][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.926753][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.926890][ T32] Call trace: [ 1337.926965][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.927078][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.927128][ T32] r4:00000000 [ 1337.927178][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.927275][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.927347][ T32] dd20: 88994000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.927421][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.927514][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.927607][ T32] r5:800d0013 r4:80239bb0 [ 1337.927684][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.927786][ T32] r4:82ac21e4 [ 1337.927837][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.927930][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.928000][ T32] r4:e044ddc0 [ 1337.928078][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.928180][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.928231][ T32] r4:00000000 [ 1337.928313][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.928433][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.928495][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.928642][ T32] r5:00001000 r4:ed353000 [ 1337.928737][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.928828][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.928926][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.928978][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.929105][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.929180][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.955479][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.955618][ T32] r4:84ab5800 [ 1337.955717][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.955880][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.955934][ T32] r4:00000001 [ 1337.955986][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.956110][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.956201][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.956298][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.956363][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.956442][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.956491][ T32] r4:84ab0640 [ 1337.956579][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.956651][ T32] INFO: task kworker/1:668:4707 blocked for more than 464 seconds. [ 1337.956729][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.956793][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.956840][ T32] task:kworker/1:668 state:D stack:0 pid:4707 tgid:4707 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.957019][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.957130][ T32] Call trace: [ 1337.957309][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.957435][ T32] r10:8291a684 r9:eb291d84 r8:00000002 r7:60000013 r6:eb291d8c r5:8547ec00 [ 1337.957492][ T32] r4:8547ec00 [ 1337.957543][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.957660][ T32] r5:8547ec00 r4:8291a680 [ 1337.957719][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.957810][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.957906][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb291e08 [ 1337.957956][ T32] r4:00000000 [ 1337.958009][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.958088][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.958175][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.958270][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849d08c0 [ 1337.958378][ T32] r4:00000000 [ 1337.958432][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.958538][ T32] r9:83018205 r8:8547ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1337.958589][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.958722][ T32] r5:00001000 r4:eaa53000 [ 1337.958778][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.958939][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.959041][ T32] r5:854eff8c r4:854efc00 [ 1337.959093][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.959218][ T32] r7:ddde2d80 r6:83018200 r5:854eff8c r4:848ce000 [ 1337.959344][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.964032][ T32] r10:61c88647 r9:8547ec00 r8:848ce02c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.964129][ T32] r4:848ce000 [ 1337.964224][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.964365][ T32] r10:00000000 r9:848ce000 r8:80287e08 r7:eb28de60 r6:848ce080 r5:8547ec00 [ 1337.964431][ T32] r4:00000001 [ 1337.964538][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.964631][ T32] Exception stack(0xeb291fb0 to 0xeb291ff8) [ 1337.964708][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.964772][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.964871][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.964947][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.965007][ T32] r4:849d0740 [ 1337.965726][ T32] INFO: task kworker/1:668:4707 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1337.965811][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.965985][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.966104][ T32] Call trace: [ 1337.966195][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1337.966312][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1337.966370][ T32] r4:00000000 [ 1337.966423][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.966527][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1337.966600][ T32] dd20: 88cc6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1337.966670][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1337.966735][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1337.966785][ T32] r5:800d0013 r4:80239bb0 [ 1337.966836][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.966963][ T32] r4:82ac21e4 [ 1337.967018][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.967161][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1337.967251][ T32] r4:e044ddc0 [ 1337.967315][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.967453][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1337.967529][ T32] r4:00000000 [ 1337.967585][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.967694][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1337.967747][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.967845][ T32] r5:00001000 r4:ed353000 [ 1337.967894][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.967982][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.968079][ T32] r5:85c0ff8c r4:85c0fc00 [ 1337.968186][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.968299][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1337.968364][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1337.968478][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.968558][ T32] r4:84ab5800 [ 1337.968597][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1337.968708][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1337.968794][ T32] r4:00000001 [ 1337.968851][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.968931][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1337.969004][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.969112][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.969206][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.969341][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1337.995787][ T32] r4:84ab0640 [ 1337.995955][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.996170][ T32] INFO: task kworker/1:669:4710 blocked for more than 464 seconds. [ 1337.996252][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1337.996318][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.996367][ T32] task:kworker/1:669 state:D stack:0 pid:4710 tgid:4710 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.996589][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.996844][ T32] Call trace: [ 1337.996926][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1337.997072][ T32] r10:8291a684 r9:eb299d84 r8:00000002 r7:60000013 r6:eb299d8c r5:85480c00 [ 1337.997233][ T32] r4:85480c00 [ 1337.997309][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1337.997458][ T32] r5:85480c00 r4:8291a680 [ 1337.997519][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.997675][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.997774][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb299e08 [ 1337.997832][ T32] r4:00000000 [ 1337.997876][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1337.997956][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1337.998043][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1337.998132][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849d0a40 [ 1337.998188][ T32] r4:00000000 [ 1337.998230][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1337.998368][ T32] r9:83018205 r8:85480c00 r7:00000000 r6:83018200 r5:00001000 r4:7f049000 [ 1337.998430][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1337.998523][ T32] r5:00001000 r4:eac3b000 [ 1337.998673][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1337.998773][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.998904][ T32] r5:854f438c r4:854f4000 [ 1337.998958][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1337.999059][ T32] r7:ddde2d80 r6:83018200 r5:854f438c r4:848ce100 [ 1337.999214][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.004159][ T32] r10:61c88647 r9:85480c00 r8:848ce12c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.004364][ T32] r4:848ce100 [ 1338.004440][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.004624][ T32] r10:00000000 r9:848ce100 r8:80287e08 r7:eb28de60 r6:848ce180 r5:85480c00 [ 1338.004723][ T32] r4:00000001 [ 1338.004811][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.004942][ T32] Exception stack(0xeb299fb0 to 0xeb299ff8) [ 1338.005056][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.005127][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.005195][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.005258][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.005312][ T32] r4:849d09c0 [ 1338.006131][ T32] INFO: task kworker/1:669:4710 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.006217][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.006554][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.006674][ T32] Call trace: [ 1338.006756][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.006874][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.006928][ T32] r4:00000000 [ 1338.007057][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.007191][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.007311][ T32] dd20: 89136000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.007456][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.007518][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.007576][ T32] r5:800d0013 r4:80239bb0 [ 1338.007650][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.007748][ T32] r4:82ac21e4 [ 1338.007805][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.007901][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.007995][ T32] r4:e044ddc0 [ 1338.008054][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.008150][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.008202][ T32] r4:00000000 [ 1338.008301][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.008424][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.008484][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.008606][ T32] r5:00001000 r4:ed353000 [ 1338.008657][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.008810][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.009075][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.009136][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.009357][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.035674][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.035882][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.035946][ T32] r4:84ab5800 [ 1338.036000][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.036113][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.036170][ T32] r4:00000001 [ 1338.036216][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.036308][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.036389][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.036458][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.036545][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.036614][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.036743][ T32] r4:84ab0640 [ 1338.036869][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.036985][ T32] INFO: task kworker/1:670:4711 blocked for more than 464 seconds. [ 1338.037074][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.037134][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.037328][ T32] task:kworker/1:670 state:D stack:0 pid:4711 tgid:4711 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.037518][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.037631][ T32] Call trace: [ 1338.037711][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.037826][ T32] r10:8291a684 r9:eb29dd84 r8:00000002 r7:60000113 r6:eb29dd8c r5:84a93c00 [ 1338.037874][ T32] r4:84a93c00 [ 1338.037930][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.038032][ T32] r5:84a93c00 r4:8291a680 [ 1338.038079][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.038168][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.038265][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb29de08 [ 1338.038439][ T32] r4:00000000 [ 1338.038659][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.038783][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.038910][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.039007][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849d0bc0 [ 1338.039062][ T32] r4:00000000 [ 1338.039111][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.039214][ T32] r9:83018205 r8:84a93c00 r7:00000000 r6:83018200 r5:00001000 r4:7f04b000 [ 1338.039354][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.053327][ T32] r5:00001000 r4:eac55000 [ 1338.053458][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.053605][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.053738][ T32] r5:854f478c r4:854f4400 [ 1338.053844][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.054013][ T32] r7:ddde2d80 r6:83018200 r5:854f478c r4:848ce200 [ 1338.054073][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.054176][ T32] r10:61c88647 r9:84a93c00 r8:848ce22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.054226][ T32] r4:848ce200 [ 1338.054278][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.054387][ T32] r10:00000000 r9:848ce200 r8:80287e08 r7:eb28de60 r6:8549e580 r5:84a93c00 [ 1338.054439][ T32] r4:00000001 [ 1338.054480][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.054603][ T32] Exception stack(0xeb29dfb0 to 0xeb29dff8) [ 1338.054687][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.054757][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.054816][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.054887][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.054935][ T32] r4:849d09c0 [ 1338.055715][ T32] INFO: task kworker/1:670:4711 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.055844][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.056008][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.056122][ T32] Call trace: [ 1338.056221][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.056358][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.056431][ T32] r4:00000000 [ 1338.056476][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.056607][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.056679][ T32] dd20: 89552000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.056778][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.056848][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.056906][ T32] r5:800d0013 r4:80239bb0 [ 1338.056958][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.057054][ T32] r4:82ac21e4 [ 1338.057128][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.057226][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.057278][ T32] r4:e044ddc0 [ 1338.057326][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.057430][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.057481][ T32] r4:00000000 [ 1338.057534][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.057638][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.057689][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.057811][ T32] r5:00001000 r4:ed353000 [ 1338.057906][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.058002][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.058097][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.058146][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.058256][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.058346][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.058501][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.058633][ T32] r4:84ab5800 [ 1338.058762][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.058868][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.058927][ T32] r4:00000001 [ 1338.058974][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.059093][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.059217][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.059448][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.073600][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.073797][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.073906][ T32] r4:84ab0640 [ 1338.073976][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.074019][ T32] INFO: task kworker/1:671:4712 blocked for more than 464 seconds. [ 1338.074059][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.074087][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.074113][ T32] task:kworker/1:671 state:D stack:0 pid:4712 tgid:4712 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.074179][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.074248][ T32] Call trace: [ 1338.074284][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.074390][ T32] r10:8291a684 r9:eb2a1d84 r8:00000002 r7:60000013 r6:eb2a1d8c r5:84a96c00 [ 1338.074422][ T32] r4:84a96c00 [ 1338.074445][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.074567][ T32] r5:84a96c00 r4:8291a680 [ 1338.074595][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.074646][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.074737][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2a1e08 [ 1338.074767][ T32] r4:00000000 [ 1338.074791][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.074832][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.074874][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.074938][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849d0e40 [ 1338.074981][ T32] r4:00000000 [ 1338.075033][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.075166][ T32] r9:83018205 r8:84a96c00 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 [ 1338.075198][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.075247][ T32] r5:00001000 r4:eac81000 [ 1338.075270][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.075313][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.075358][ T32] r5:854f4b8c r4:854f4800 [ 1338.075389][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.075444][ T32] r7:ddde2d80 r6:83018200 r5:854f4b8c r4:848ce280 [ 1338.075467][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.075519][ T32] r10:61c88647 r9:84a96c00 r8:848ce2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.075544][ T32] r4:848ce280 [ 1338.075565][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.075657][ T32] r10:00000000 r9:848ce280 r8:80287e08 r7:eb28de60 r6:8549e600 r5:84a96c00 [ 1338.075687][ T32] r4:00000001 [ 1338.075745][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.075795][ T32] Exception stack(0xeb2a1fb0 to 0xeb2a1ff8) [ 1338.075827][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1338.075859][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.075926][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.075998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.076028][ T32] r4:849d09c0 [ 1338.076525][ T32] INFO: task kworker/1:671:4712 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.076639][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.076712][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.076763][ T32] Call trace: [ 1338.076796][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.076853][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.076950][ T32] r4:00000000 [ 1338.076977][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.077059][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.077096][ T32] dd20: 897e4000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.077128][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.077229][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.077260][ T32] r5:800d0013 r4:80239bb0 [ 1338.077342][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.077423][ T32] r4:82ac21e4 [ 1338.077451][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.077499][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.077543][ T32] r4:e044ddc0 [ 1338.077620][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.077673][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.077772][ T32] r4:00000000 [ 1338.077799][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.077852][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.077876][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.077958][ T32] r5:00001000 r4:ed353000 [ 1338.077985][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.078030][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.078148][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.078174][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.078227][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.078314][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.078380][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.078408][ T32] r4:84ab5800 [ 1338.078430][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.078483][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.078546][ T32] r4:00000001 [ 1338.078592][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.078658][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.078692][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.079064][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.079113][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.079147][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.079172][ T32] r4:84ab0640 [ 1338.079194][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.079304][ T32] INFO: task kworker/1:672:4716 blocked for more than 464 seconds. [ 1338.103778][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.103934][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.104006][ T32] task:kworker/1:672 state:D stack:0 pid:4716 tgid:4716 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.104190][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.104331][ T32] Call trace: [ 1338.104533][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.104713][ T32] r10:8291a684 r9:eb2a5d84 r8:00000002 r7:60000113 r6:eb2a5d8c r5:84a94800 [ 1338.104841][ T32] r4:84a94800 [ 1338.104897][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.104995][ T32] r5:84a94800 r4:8291a680 [ 1338.105049][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.105139][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.105240][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2a5e08 [ 1338.105294][ T32] r4:00000000 [ 1338.105338][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.105426][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.105551][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.105686][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849d09c0 [ 1338.105742][ T32] r4:00000000 [ 1338.105817][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.105923][ T32] r9:83018205 r8:84a94800 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 [ 1338.105979][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.106151][ T32] r5:00001000 r4:eae6d000 [ 1338.106249][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.106379][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.106521][ T32] r5:854f538c r4:854f5000 [ 1338.106727][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.106860][ T32] r7:ddde2d80 r6:83018200 r5:854f538c r4:848ce300 [ 1338.106955][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.107062][ T32] r10:61c88647 r9:84a94800 r8:848ce32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.107147][ T32] r4:848ce300 [ 1338.107197][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.107299][ T32] r10:00000000 r9:848ce300 r8:80287e08 r7:eb28de60 r6:8549e680 r5:84a94800 [ 1338.107350][ T32] r4:00000001 [ 1338.107412][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.107536][ T32] Exception stack(0xeb2a5fb0 to 0xeb2a5ff8) [ 1338.107608][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1338.107715][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.107780][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.107881][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.108015][ T32] r4:849d0d40 [ 1338.108845][ T32] INFO: task kworker/1:672:4716 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.108968][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.109115][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.109221][ T32] Call trace: [ 1338.109308][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.130486][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.130632][ T32] r4:00000000 [ 1338.130692][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.130848][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.130926][ T32] dd20: 89cd8000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.131014][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.131079][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.131141][ T32] r5:800d0013 r4:80239bb0 [ 1338.131225][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.131331][ T32] r4:82ac21e4 [ 1338.131392][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.131495][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.131590][ T32] r4:e044ddc0 [ 1338.131651][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.131754][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.131809][ T32] r4:00000000 [ 1338.131863][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.131976][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.132133][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.132277][ T32] r5:00001000 r4:ed353000 [ 1338.132333][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.132448][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.132584][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.132643][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.132768][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.132821][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.132924][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.132977][ T32] r4:84ab5800 [ 1338.133017][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.133120][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.133178][ T32] r4:00000001 [ 1338.133221][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.133304][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.133366][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.133444][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.133505][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.133604][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.133739][ T32] r4:84ab0640 [ 1338.133801][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.133894][ T32] INFO: task kworker/1:673:4719 blocked for more than 464 seconds. [ 1338.133974][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.134028][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.134082][ T32] task:kworker/1:673 state:D stack:0 pid:4719 tgid:4719 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.134243][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.134345][ T32] Call trace: [ 1338.134465][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.134573][ T32] r10:8291a684 r9:eb165d84 r8:00000002 r7:60000113 r6:eb165d8c r5:84a95400 [ 1338.134633][ T32] r4:84a95400 [ 1338.134674][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.134767][ T32] r5:84a95400 r4:8291a680 [ 1338.134824][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.134914][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.135007][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb165e08 [ 1338.135061][ T32] r4:00000000 [ 1338.135104][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.135182][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.135316][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1338.135482][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1338.135677][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1338.136010][ T32] r5:854f5b8c r4:854f5800 [ 1338.136055][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.136193][ T32] r7:ddde2d80 r6:83018200 r5:854f5b8c r4:848ce380 [ 1338.136256][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1338.136555][ T32] r4:848ce380 ** 2 printk messages dropped ** [ 1338.136782][ T32] r4:00000001 [ 1338.136823][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.136906][ T32] Exception stack(0xeb165fb0 to 0xeb165ff8) [ 1338.137012][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1338.137085][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.137159][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.137221][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.137296][ T32] r4:849d0dc0 [ 1338.138065][ T32] INFO: task kworker/1:673:4719 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.138147][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.138346][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.138498][ T32] Call trace: [ 1338.138571][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.138727][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.138786][ T32] r4:00000000 [ 1338.138830][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.138918][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.138987][ T32] dd20: 89cd8000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.139075][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.139137][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.139234][ T32] r5:800d0013 r4:80239bb0 [ 1338.139288][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.160279][ T32] r4:82ac21e4 [ 1338.160426][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.160562][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.160597][ T32] r4:e044ddc0 [ 1338.160621][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.160681][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.160710][ T32] r4:00000000 [ 1338.160798][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.160897][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.160951][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.161055][ T32] r5:00001000 r4:ed353000 [ 1338.161107][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.161201][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.161301][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.161349][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.161466][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.161523][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.161634][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.161731][ T32] r4:84ab5800 [ 1338.161786][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.161889][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.161949][ T32] r4:00000001 [ 1338.161991][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.162078][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.162150][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.162212][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.162274][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.162356][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.162421][ T32] r4:84ab0640 [ 1338.162471][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.162539][ T32] INFO: task kworker/0:125:4720 blocked for more than 464 seconds. [ 1338.162607][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.162664][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.162719][ T32] task:kworker/0:125 state:D stack:0 pid:4720 tgid:4720 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.163006][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.163119][ T32] Call trace: [ 1338.163195][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.163349][ T32] r10:8291a684 r9:eb2a9d84 r8:00000002 r7:60000113 r6:eb2a9d8c r5:84a96000 [ 1338.163419][ T32] r4:84a96000 [ 1338.163471][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.163572][ T32] r5:84a96000 r4:8291a680 [ 1338.163633][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.163726][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.163823][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2a9e08 [ 1338.163898][ T32] r4:00000000 [ 1338.163958][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.164042][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.164119][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.164209][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa0040 [ 1338.164264][ T32] r4:00000000 [ 1338.164307][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.164419][ T32] r9:83018005 r8:84a96000 r7:00000000 r6:83018000 r5:00001000 r4:7f063000 ** 4 printk messages dropped ** [ 1338.164890][ T32] r5:841db38c r4:841db000 [ 1338.164941][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1338.165189][ T32] r10:61c88647 r9:84a96000 r8:8549e7ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1338.165245][ T32] r4:8549e780 [ 1338.165287][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.165396][ T32] r10:00000000 r9:8549e780 r8:80287e08 r7:eb24de60 r6:8549e800 r5:84a96000 [ 1338.165456][ T32] r4:00000001 [ 1338.165497][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.165580][ T32] Exception stack(0xeb2a9fb0 to 0xeb2a9ff8) [ 1338.165652][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.165715][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.165778][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.165841][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.165892][ T32] r4:848c9e80 [ 1338.166673][ T32] INFO: task kworker/0:125:4720 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.166752][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.166938][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.167175][ T32] Call trace: [ 1338.167387][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.167516][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.167693][ T32] r4:00000000 [ 1338.167757][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.167914][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.167984][ T32] dd20: 89f10000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.168065][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.168126][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.168185][ T32] r5:800d0013 r4:80239bb0 [ 1338.168231][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.168325][ T32] r4:82ac21e4 [ 1338.168370][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.168471][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.168550][ T32] r4:e044ddc0 [ 1338.168599][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.168737][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.168794][ T32] r4:00000000 [ 1338.168842][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.168946][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.168996][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.169093][ T32] r5:00001000 r4:ed353000 [ 1338.169208][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.200378][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.200604][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.200674][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.200742][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.200769][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.200826][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.200853][ T32] r4:84ab5800 [ 1338.200875][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.200930][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.200955][ T32] r4:00000001 [ 1338.200977][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.201020][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.201056][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.201096][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.201129][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.201191][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.201226][ T32] r4:84ab0640 [ 1338.201257][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.201329][ T32] INFO: task kworker/1:674:4722 blocked for more than 464 seconds. [ 1338.201394][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.201456][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.201509][ T32] task:kworker/1:674 state:D stack:0 pid:4722 tgid:4722 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.201645][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.201771][ T32] Call trace: [ 1338.201849][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.201961][ T32] r10:8291a684 r9:eb2add84 r8:00000002 r7:60000113 r6:eb2add8c r5:84650000 [ 1338.202052][ T32] r4:84650000 [ 1338.202102][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.202233][ T32] r5:84650000 r4:8291a680 [ 1338.202329][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.202428][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.202526][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2ade08 [ 1338.202574][ T32] r4:00000000 [ 1338.202624][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.202703][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.202792][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.202882][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8469a040 [ 1338.202936][ T32] r4:00000000 [ 1338.202985][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.203089][ T32] r9:83018205 r8:84650000 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1338.203142][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.203234][ T32] r5:00001000 r4:eaea1000 [ 1338.203282][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.203367][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.203475][ T32] r5:854f578c r4:854f5400 [ 1338.203528][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.203669][ T32] r7:ddde2d80 r6:83018200 r5:854f578c r4:848ce400 [ 1338.203745][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.203852][ T32] r10:61c88647 r9:84650000 r8:848ce42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.203910][ T32] r4:848ce400 [ 1338.203951][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.204054][ T32] r10:00000000 r9:848ce400 r8:80287e08 r7:eb165e60 r6:8549e880 r5:84650000 [ 1338.204164][ T32] r4:00000001 [ 1338.204268][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.204398][ T32] Exception stack(0xeb2adfb0 to 0xeb2adff8) [ 1338.204469][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.204575][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.204648][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.204720][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.204778][ T32] r4:8469a100 [ 1338.205563][ T32] INFO: task kworker/1:674:4722 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.205658][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.205806][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.205913][ T32] Call trace: [ 1338.206065][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.206179][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.206236][ T32] r4:00000000 [ 1338.206285][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.206391][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.206452][ T32] dd20: 8a2b7000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.206517][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.206593][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.206689][ T32] r5:800d0013 r4:80239bb0 [ 1338.206781][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.206878][ T32] r4:82ac21e4 [ 1338.206927][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 1 printk messages dropped ** [ 1338.207111][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1338.207478][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 4 printk messages dropped ** [ 1338.207897][ T32] r5:85c0ff8c r4:85c0fc00 ** 1 printk messages dropped ** [ 1338.208046][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.208101][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.208260][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.208320][ T32] r4:84ab5800 [ 1338.208367][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.208478][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.208559][ T32] r4:00000001 [ 1338.208604][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.208690][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.208753][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.208819][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.208885][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.208944][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.209002][ T32] r4:84ab0640 [ 1338.209081][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.209146][ T32] INFO: task kworker/1:675:4724 blocked for more than 464 seconds. [ 1338.209221][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.209274][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.209413][ T32] task:kworker/1:675 state:D stack:0 pid:4724 tgid:4724 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.230452][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.230544][ T32] Call trace: [ 1338.230655][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.230759][ T32] r10:8291a684 r9:eb2b1d84 r8:00000002 r7:60000113 r6:eb2b1d8c r5:84650c00 [ 1338.230891][ T32] r4:84650c00 [ 1338.230990][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.231100][ T32] r5:84650c00 r4:8291a680 [ 1338.231163][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.231259][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.231355][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2b1e08 [ 1338.231441][ T32] r4:00000000 [ 1338.231492][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.231578][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.231671][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.231764][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8469aa40 [ 1338.231852][ T32] r4:00000000 [ 1338.231916][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1338.232479][ T32] r5:854f6f8c r4:854f6c00 [ 1338.232602][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1338.233042][ T32] r4:848ce480 ** 4 printk messages dropped ** [ 1338.233392][ T32] Exception stack(0xeb2b1fb0 to 0xeb2b1ff8) ** 7 printk messages dropped ** [ 1338.234883][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1338.235480][ T32] dd20: 8a476000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1338.236280][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.236335][ T32] r4:00000000 [ 1338.236388][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.236492][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.236568][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.236703][ T32] r5:00001000 r4:ed353000 [ 1338.236759][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.236849][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.236944][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.237029][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.237137][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.237189][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.237297][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.237355][ T32] r4:84ab5800 [ 1338.237448][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.237553][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.237608][ T32] r4:00000001 [ 1338.237655][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.237778][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.237848][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.237913][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.237970][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.238036][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.238082][ T32] r4:84ab0640 [ 1338.238166][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.238279][ T32] INFO: task kworker/1:676:4726 blocked for more than 464 seconds. [ 1338.238411][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.238476][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.238522][ T32] task:kworker/1:676 state:D stack:0 pid:4726 tgid:4726 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.238629][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.238806][ T32] Call trace: [ 1338.238880][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.238982][ T32] r10:8291a684 r9:eb2b5d84 r8:00000002 r7:60000013 r6:eb2b5d8c r5:84651800 [ 1338.239073][ T32] r4:84651800 [ 1338.239130][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.239226][ T32] r5:84651800 r4:8291a680 [ 1338.239270][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.280737][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.281055][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2b5e08 [ 1338.281200][ T32] r4:00000000 [ 1338.281258][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.281339][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.281454][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.281555][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8469a480 ** 6 printk messages dropped ** [ 1338.282240][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.282337][ T32] r5:854f5f8c r4:854f5c00 ** 1 printk messages dropped ** [ 1338.282569][ T32] r7:ddde2d80 r6:83018200 r5:854f5f8c r4:848ce500 ** 6 printk messages dropped ** [ 1338.283085][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1338.284767][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1338.285376][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1338.286111][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.286162][ T32] r4:e044ddc0 [ 1338.286217][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.286308][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.286359][ T32] r4:00000000 [ 1338.286437][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.286538][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.286617][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.286715][ T32] r5:00001000 r4:ed353000 [ 1338.286762][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.286868][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.286974][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.287030][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.287134][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.287192][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.287356][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.287433][ T32] r4:84ab5800 [ 1338.287484][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.287591][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.287669][ T32] r4:00000001 [ 1338.287724][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.287889][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.287960][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.288034][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.288097][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.288163][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 4 printk messages dropped ** [ 1338.288609][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1338.304110][ T32] r5:84652400 r4:8291a680 ** 6 printk messages dropped ** [ 1338.304928][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1338.305098][ T32] r4:00000000 [ 1338.305163][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.305270][ T32] r9:83018205 r8:84652400 r7:00000000 r6:83018200 r5:00001000 r4:7f05d000 [ 1338.305332][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.305437][ T32] r5:00001000 r4:eaf1d000 [ 1338.305483][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.305598][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.305714][ T32] r5:854f638c r4:854f6000 [ 1338.305763][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.305876][ T32] r7:ddde2d80 r6:83018200 r5:854f638c r4:848ce580 [ 1338.305950][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.306082][ T32] r10:61c88647 r9:84652400 r8:848ce5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1338.306715][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1338.307920][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1338.308750][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1338.325027][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1338.326010][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1338.326542][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1338.327083][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 2 printk messages dropped ** [ 1338.327329][ T32] INFO: task kworker/1:678:4729 blocked for more than 464 seconds. [ 1338.327418][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.327480][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.327538][ T32] task:kworker/1:678 state:D stack:0 pid:4729 tgid:4729 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.327713][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.327898][ T32] Call trace: [ 1338.328017][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.328167][ T32] r10:8291a684 r9:eb2bdd84 r8:00000002 r7:60000013 r6:eb2bdd8c r5:84653000 [ 1338.328224][ T32] r4:84653000 [ 1338.328267][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.328362][ T32] r5:84653000 r4:8291a680 [ 1338.328424][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.328535][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.328648][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2bde08 [ 1338.328705][ T32] r4:00000000 [ 1338.328789][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.328874][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.328955][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.329063][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8469a740 [ 1338.329119][ T32] r4:00000000 [ 1338.329164][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.329265][ T32] r9:83018205 r8:84653000 r7:00000000 r6:83018200 r5:00001000 r4:7f05f000 [ 1338.329310][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.345586][ T32] r5:00001000 r4:eaf2d000 [ 1338.345737][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.345887][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.345991][ T32] r5:854f678c r4:854f6400 [ 1338.346045][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.346150][ T32] r7:ddde2d80 r6:83018200 r5:854f678c r4:848ce600 ** 3 printk messages dropped ** [ 1338.346465][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1338.347304][ T32] r4:8469a280 ** 5 printk messages dropped ** [ 1338.348877][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1338.369077][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1338.370123][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 7 printk messages dropped ** [ 1338.370440][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1338.370771][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 10 printk messages dropped ** [ 1338.371520][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 4 printk messages dropped ** [ 1338.372106][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.372231][ T32] r10:8291a684 r9:eb2c1d84 r8:00000002 r7:60000113 r6:eb2c1d8c r5:84653c00 [ 1338.372282][ T32] r4:84653c00 [ 1338.372337][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.372470][ T32] r5:84653c00 r4:8291a680 [ 1338.372547][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.372638][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.372740][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2c1e08 [ 1338.372794][ T32] r4:00000000 [ 1338.372841][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.372918][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.372998][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.373126][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8469a840 [ 1338.373180][ T32] r4:00000000 [ 1338.373226][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.373325][ T32] r9:83018205 r8:84653c00 r7:00000000 r6:83018200 r5:00001000 r4:7f061000 [ 1338.373424][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.373522][ T32] r5:00001000 r4:eaf5d000 [ 1338.373567][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.373653][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.373745][ T32] r5:854f6b8c r4:854f6800 [ 1338.373796][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.373897][ T32] r7:ddde2d80 r6:83018200 r5:854f6b8c r4:848ce680 [ 1338.373940][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.374054][ T32] r10:61c88647 r9:84653c00 r8:848ce6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.374124][ T32] r4:848ce680 [ 1338.374168][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.374270][ T32] r10:00000000 r9:848ce680 r8:80287e08 r7:eb2b1e60 r6:8549eb00 r5:84653c00 [ 1338.374322][ T32] r4:00000001 [ 1338.374364][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.374453][ T32] Exception stack(0xeb2c1fb0 to 0xeb2c1ff8) [ 1338.374518][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1338.374699][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.374832][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.374931][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.374989][ T32] r4:8469a640 [ 1338.375867][ T32] INFO: task kworker/1:679:4731 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.376002][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.376153][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.376259][ T32] Call trace: [ 1338.376331][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.376448][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.376545][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1338.376737][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1338.377111][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1338.377505][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.377565][ T32] r4:00000000 [ 1338.377612][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.377719][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.377774][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.377873][ T32] r5:00001000 r4:ed353000 [ 1338.377936][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.378066][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.378158][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.378212][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.378345][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.378434][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.378606][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.378679][ T32] r4:84ab5800 [ 1338.378733][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.378845][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.378899][ T32] r4:00000001 [ 1338.378948][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.379034][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.379099][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.379168][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.379391][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.410297][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.410362][ T32] r4:84ab0640 [ 1338.410412][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.410477][ T32] INFO: task kworker/1:680:4735 blocked for more than 464 seconds. [ 1338.410526][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.410595][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.410642][ T32] task:kworker/1:680 state:D stack:0 pid:4735 tgid:4735 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.410755][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.410891][ T32] Call trace: [ 1338.410964][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.411076][ T32] r10:8291a684 r9:eb295d84 r8:00000002 r7:60000013 r6:eb295d8c r5:84654800 [ 1338.411135][ T32] r4:84654800 [ 1338.411182][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.411281][ T32] r5:84654800 r4:8291a680 [ 1338.411336][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.411440][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.411549][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb295e08 [ 1338.411608][ T32] r4:00000000 [ 1338.411693][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.411789][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.411884][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.411990][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8469ab80 [ 1338.412089][ T32] r4:00000000 [ 1338.412147][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.412253][ T32] r9:83018205 r8:84654800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1338.412302][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.412408][ T32] r5:00001000 r4:eb05b000 [ 1338.412461][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.412588][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.412694][ T32] r5:854f738c r4:854f7000 [ 1338.412742][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.412859][ T32] r7:ddde2d80 r6:83018200 r5:854f738c r4:848ce700 [ 1338.412925][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.413031][ T32] r10:61c88647 r9:84654800 r8:848ce72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 4 printk messages dropped ** [ 1338.413360][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1338.414903][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.415016][ T32] Call trace: [ 1338.415089][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.415244][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.415306][ T32] r4:00000000 [ 1338.415366][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.415466][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.415532][ T32] dd20: 8b1ee000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.415601][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.415667][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.415718][ T32] r5:800d0013 r4:80239bb0 [ 1338.415772][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.415870][ T32] r4:82ac21e4 [ 1338.415925][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.416020][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.416082][ T32] r4:e044ddc0 [ 1338.416128][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.416221][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.416282][ T32] r4:00000000 [ 1338.416363][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.416478][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.416687][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.416805][ T32] r5:00001000 r4:ed353000 [ 1338.416858][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.416955][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.417061][ T32] r5:85c0ff8c r4:85c0fc00 ** 1 printk messages dropped ** [ 1338.417221][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1338.417785][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1338.418065][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1338.418852][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1338.440483][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1338.441229][ T32] r9:83018005 r8:84655400 r7:00000000 r6:83018000 r5:00001000 r4:7f0a7000 ** 4 printk messages dropped ** [ 1338.441668][ T32] r5:841daf8c r4:841dac00 ** 1 printk messages dropped ** [ 1338.441853][ T32] r7:dddced80 r6:83018000 r5:841daf8c r4:8549ec00 ** 4 printk messages dropped ** [ 1338.442219][ T32] r10:00000000 r9:8549ec00 r8:80287e08 r7:eb24de60 r6:8549ec80 r5:84655400 ** 7 printk messages dropped ** [ 1338.442738][ T32] r4:84aa00c0 ** 2 printk messages dropped ** [ 1338.443726][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1338.444243][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1338.444692][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1338.445147][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1338.445564][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1338.446091][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.446149][ T32] r4:84ab5800 [ 1338.446195][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.446299][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.446368][ T32] r4:00000001 [ 1338.446410][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.446498][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.446574][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.446638][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.446726][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.446798][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.446855][ T32] r4:84ab0640 [ 1338.446922][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.447022][ T32] INFO: task kworker/1:681:4738 blocked for more than 464 seconds. [ 1338.447104][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.447169][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.447219][ T32] task:kworker/1:681 state:D stack:0 pid:4738 tgid:4738 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.447337][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.447448][ T32] Call trace: [ 1338.447518][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.447630][ T32] r10:8291a684 r9:eb2cdd84 r8:00000002 r7:60000013 r6:eb2cdd8c r5:84656000 [ 1338.447694][ T32] r4:84656000 [ 1338.447740][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.447835][ T32] r5:84656000 r4:8291a680 [ 1338.447893][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.447979][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.448079][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2cde08 [ 1338.448129][ T32] r4:00000000 [ 1338.448183][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.448379][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.448463][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.448585][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8469aec0 [ 1338.448642][ T32] r4:00000000 [ 1338.448709][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.448819][ T32] r9:83018205 r8:84656000 r7:00000000 r6:83018200 r5:00001000 r4:7f0ab000 [ 1338.448867][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.448995][ T32] r5:00001000 r4:eb0dd000 [ 1338.449073][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1338.477306][ T32] r5:854f7b8c r4:854f7800 [ 1338.477425][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1338.477860][ T32] r4:848ce780 ** 4 printk messages dropped ** [ 1338.478190][ T32] Exception stack(0xeb2cdfb0 to 0xeb2cdff8) ** 6 printk messages dropped ** [ 1338.489819][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1338.490643][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1338.491085][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1338.491458][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 8 printk messages dropped ** [ 1338.492234][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1338.492820][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1338.493221][ T32] INFO: task kworker/0:127:4740 blocked for more than 464 seconds. [ 1338.493334][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.493410][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.493498][ T32] task:kworker/0:127 state:D stack:0 pid:4740 tgid:4740 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.493642][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.493755][ T32] Call trace: [ 1338.493851][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.493969][ T32] r10:8291a684 r9:eb2c5d84 r8:00000002 r7:60000113 r6:eb2c5d8c r5:84656c00 [ 1338.494028][ T32] r4:84656c00 [ 1338.494077][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.494172][ T32] r5:84656c00 r4:8291a680 [ 1338.494218][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.494307][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.494447][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2c5e08 [ 1338.494507][ T32] r4:00000000 [ 1338.494557][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.494632][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.494719][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.494811][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846031c0 [ 1338.494864][ T32] r4:00000000 [ 1338.494913][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.495014][ T32] r9:83018005 r8:84656c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0c1000 [ 1338.495062][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.495211][ T32] r5:00001000 r4:eb3d3000 [ 1338.495267][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.495360][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.495484][ T32] r5:841dab8c r4:841da800 [ 1338.495541][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.495713][ T32] r7:dddced80 r6:83018000 r5:841dab8c r4:8549ed80 [ 1338.495789][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.495894][ T32] r10:61c88647 r9:84656c00 r8:8549edac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1338.495950][ T32] r4:8549ed80 [ 1338.495992][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.496090][ T32] r10:00000000 r9:8549ed80 r8:80287e08 r7:eb24de60 r6:8549ee00 r5:84656c00 [ 1338.496153][ T32] r4:00000001 [ 1338.496203][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.496293][ T32] Exception stack(0xeb2c5fb0 to 0xeb2c5ff8) [ 1338.496379][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1338.496448][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.496539][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.496618][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.496688][ T32] r4:84aa0300 [ 1338.497376][ T32] INFO: task kworker/0:127:4740 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.497455][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.497596][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.497701][ T32] Call trace: [ 1338.497812][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.497926][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.498002][ T32] r4:00000000 [ 1338.498047][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.498137][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.498205][ T32] dd20: 8b6ee000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.498271][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.498365][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.498422][ T32] r5:800d0013 r4:80239bb0 [ 1338.498476][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.498590][ T32] r4:82ac21e4 [ 1338.498653][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.498811][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.498882][ T32] r4:e044ddc0 [ 1338.498925][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.499019][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.499100][ T32] r4:00000000 [ 1338.499178][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.530370][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.530436][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.530548][ T32] r5:00001000 r4:ed353000 [ 1338.530611][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.530687][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.530809][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.530862][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.530965][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.531011][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.531142][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.531196][ T32] r4:84ab5800 [ 1338.531250][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.531394][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.531460][ T32] r4:00000001 [ 1338.531513][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.531611][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.531688][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.531764][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.531958][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.532032][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.532092][ T32] r4:84ab0640 [ 1338.532144][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.532362][ T32] INFO: task kworker/1:682:4741 blocked for more than 464 seconds. [ 1338.532445][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.532643][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.532704][ T32] task:kworker/1:682 state:D stack:0 pid:4741 tgid:4741 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.532839][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.532975][ T32] Call trace: [ 1338.533085][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.533207][ T32] r10:8291a684 r9:eb2d5d84 r8:00000002 r7:60000113 r6:eb2d5d8c r5:85440000 [ 1338.533263][ T32] r4:85440000 [ 1338.533317][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.533430][ T32] r5:85440000 r4:8291a680 [ 1338.533478][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.533573][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.533963][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2d5e08 [ 1338.534203][ T32] r4:00000000 [ 1338.534332][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.534425][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.534516][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.534612][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8469adc0 [ 1338.534660][ T32] r4:00000000 [ 1338.534903][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.535011][ T32] r9:83018205 r8:85440000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a9000 [ 1338.535267][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.535450][ T32] r5:00001000 r4:eb0cf000 [ 1338.535666][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.535889][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.536246][ T32] r5:854f778c r4:854f7400 [ 1338.536300][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.536413][ T32] r7:ddde2d80 r6:83018200 r5:854f778c r4:848ce800 [ 1338.536558][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.536667][ T32] r10:61c88647 r9:85440000 r8:848ce82c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.536719][ T32] r4:848ce800 [ 1338.536764][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.536863][ T32] r10:00000000 r9:848ce800 r8:80287e08 r7:eb2cde60 r6:8549ee80 r5:85440000 [ 1338.537008][ T32] r4:00000001 [ 1338.537063][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.537237][ T32] Exception stack(0xeb2d5fb0 to 0xeb2d5ff8) [ 1338.537306][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1338.537384][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.537447][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.537525][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.537579][ T32] r4:8469a980 [ 1338.538416][ T32] INFO: task kworker/1:682:4741 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.538503][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.538662][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.538875][ T32] Call trace: [ 1338.538955][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.539107][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.539164][ T32] r4:00000000 [ 1338.539215][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.565644][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.565918][ T32] dd20: 8be4b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.565990][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.566056][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.566122][ T32] r5:800d0013 r4:80239bb0 [ 1338.566176][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.566309][ T32] r4:82ac21e4 [ 1338.566376][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.566473][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.566522][ T32] r4:e044ddc0 [ 1338.566571][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.566665][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.566760][ T32] r4:00000000 [ 1338.566816][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.566937][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.566992][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.567203][ T32] r5:00001000 r4:ed353000 [ 1338.567321][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.567427][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.567525][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.567573][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.567759][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.567964][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.568086][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.568136][ T32] r4:84ab5800 [ 1338.568187][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.568420][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.568516][ T32] r4:00000001 [ 1338.568570][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.568660][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.568718][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.568881][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.568948][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.569124][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.569504][ T32] r4:84ab0640 [ 1338.583279][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.583405][ T32] INFO: task kworker/1:683:4744 blocked for more than 465 seconds. [ 1338.583482][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.583559][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.583632][ T32] task:kworker/1:683 state:D stack:0 pid:4744 tgid:4744 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.583805][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.583941][ T32] Call trace: [ 1338.584067][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.584214][ T32] r10:8291a684 r9:eb2d9d84 r8:00000002 r7:60000113 r6:eb2d9d8c r5:85440c00 [ 1338.584277][ T32] r4:85440c00 [ 1338.584323][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.584429][ T32] r5:85440c00 r4:8291a680 [ 1338.584573][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.584662][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.584765][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2d9e08 ** 4 printk messages dropped ** [ 1338.585169][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8469aac0 ** 4 printk messages dropped ** [ 1338.585578][ T32] r5:00001000 r4:eb0eb000 ** 2 printk messages dropped ** [ 1338.585830][ T32] r5:854f7f8c r4:854f7c00 [ 1338.585911][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1338.586269][ T32] r10:61c88647 r9:85440c00 r8:848ce8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1338.586479][ T32] r10:00000000 r9:848ce880 r8:80287e08 r7:eb2cde60 r6:8549ef00 r5:85440c00 ** 1 printk messages dropped ** [ 1338.586574][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.586662][ T32] Exception stack(0xeb2d9fb0 to 0xeb2d9ff8) [ 1338.586728][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.586790][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.586846][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.586914][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.586979][ T32] r4:8469acc0 [ 1338.587728][ T32] INFO: task kworker/1:683:4744 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.587828][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.588071][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.588178][ T32] Call trace: [ 1338.588250][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.588385][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.588442][ T32] r4:00000000 [ 1338.588521][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.588610][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.588674][ T32] dd20: 8be4b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.588755][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.588816][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.588872][ T32] r5:800d0013 r4:80239bb0 [ 1338.588918][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.589009][ T32] r4:82ac21e4 [ 1338.589066][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.589193][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.589249][ T32] r4:e044ddc0 [ 1338.589396][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.608992][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.609102][ T32] r4:00000000 [ 1338.609155][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.615286][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.615532][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.615691][ T32] r5:00001000 r4:ed353000 [ 1338.615757][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.615884][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.616004][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.616054][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.616179][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.616239][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.616357][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.616452][ T32] r4:84ab5800 [ 1338.616642][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.616768][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.616818][ T32] r4:00000001 [ 1338.616871][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.616955][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.617029][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.617122][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.617184][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.617270][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.617326][ T32] r4:84ab0640 [ 1338.617388][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.617457][ T32] INFO: task kworker/1:684:4745 blocked for more than 465 seconds. [ 1338.617530][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.617608][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.617666][ T32] task:kworker/1:684 state:D stack:0 pid:4745 tgid:4745 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.617855][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.618014][ T32] Call trace: [ 1338.618173][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.618317][ T32] r10:8291a684 r9:eb2ddd84 r8:00000002 r7:60000113 r6:eb2ddd8c r5:85441800 [ 1338.618378][ T32] r4:85441800 [ 1338.618523][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.618637][ T32] r5:85441800 r4:8291a680 [ 1338.618858][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.618952][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.619056][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2dde08 [ 1338.619196][ T32] r4:00000000 [ 1338.619313][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.634050][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.634225][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.634321][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848db040 [ 1338.634390][ T32] r4:00000000 [ 1338.634443][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.634544][ T32] r9:83018205 r8:85441800 r7:00000000 r6:83018200 r5:00001000 r4:7f0af000 [ 1338.634594][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.634711][ T32] r5:00001000 r4:eb103000 [ 1338.634790][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.634886][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.634979][ T32] r5:854f838c r4:854f8000 [ 1338.635031][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.635135][ T32] r7:ddde2d80 r6:83018200 r5:854f838c r4:848ce900 [ 1338.635200][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.635303][ T32] r10:61c88647 r9:85441800 r8:848ce92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.635369][ T32] r4:848ce900 [ 1338.635417][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.635553][ T32] r10:00000000 r9:848ce900 r8:80287e08 r7:eb2d9e60 r6:8549ef80 r5:85441800 [ 1338.635612][ T32] r4:00000001 [ 1338.635661][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.635747][ T32] Exception stack(0xeb2ddfb0 to 0xeb2ddff8) [ 1338.635816][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.635898][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.635993][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.636068][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.636138][ T32] r4:8469ae80 [ 1338.636860][ T32] INFO: task kworker/1:684:4745 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.636942][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.637125][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.637241][ T32] Call trace: [ 1338.637319][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.637439][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.637496][ T32] r4:00000000 [ 1338.637545][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.637635][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.637789][ T32] dd20: 8c375000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.637860][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.637919][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.637972][ T32] r5:800d0013 r4:80239bb0 [ 1338.638027][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.638145][ T32] r4:82ac21e4 [ 1338.638197][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.638312][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.638420][ T32] r4:e044ddc0 [ 1338.638491][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.638586][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.638640][ T32] r4:00000000 [ 1338.638683][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.638816][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.638871][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.638970][ T32] r5:00001000 r4:ed353000 [ 1338.639051][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.639142][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.639235][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.639287][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.660852][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.660940][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.661089][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.661149][ T32] r4:84ab5800 [ 1338.661189][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.661297][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.661395][ T32] r4:00000001 [ 1338.661487][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.661578][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.661676][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.661753][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.661816][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.661884][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.662090][ T32] r4:84ab0640 [ 1338.662152][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.662250][ T32] INFO: task kworker/1:685:4749 blocked for more than 465 seconds. [ 1338.662331][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.662417][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.662473][ T32] task:kworker/1:685 state:D stack:0 pid:4749 tgid:4749 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.662600][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.662862][ T32] Call trace: [ 1338.662971][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.663088][ T32] r10:8291a684 r9:eb2e9d84 r8:00000002 r7:60000113 r6:eb2e9d8c r5:85443c00 [ 1338.663207][ T32] r4:85443c00 [ 1338.663260][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.663516][ T32] r5:85443c00 r4:8291a680 [ 1338.663649][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.663770][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.663881][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2e9e08 [ 1338.663935][ T32] r4:00000000 [ 1338.664078][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.664161][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.664254][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.664362][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848db280 [ 1338.664414][ T32] r4:00000000 [ 1338.664467][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.664619][ T32] r9:83018205 r8:85443c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b1000 [ 1338.664682][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.664782][ T32] r5:00001000 r4:eb129000 [ 1338.664852][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.664946][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.665083][ T32] r5:854f878c r4:854f8400 [ 1338.665137][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.665238][ T32] r7:ddde2d80 r6:83018200 r5:854f878c r4:848ce980 [ 1338.665288][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.665472][ T32] r10:61c88647 r9:85443c00 r8:848ce9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.665531][ T32] r4:848ce980 [ 1338.665582][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.665689][ T32] r10:00000000 r9:848ce980 r8:80287e08 r7:eb2dde60 r6:8469b000 r5:85443c00 [ 1338.665741][ T32] r4:00000001 [ 1338.665792][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.665868][ T32] Exception stack(0xeb2e9fb0 to 0xeb2e9ff8) [ 1338.665930][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.665997][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.666061][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.666130][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.666186][ T32] r4:848db1c0 [ 1338.667029][ T32] INFO: task kworker/1:685:4749 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.667108][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.667247][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.667361][ T32] Call trace: [ 1338.667454][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.667567][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.667627][ T32] r4:00000000 [ 1338.667669][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.667798][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.667867][ T32] dd20: 8c5bc000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.667935][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.668033][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.668095][ T32] r5:800d0013 r4:80239bb0 [ 1338.668187][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.668293][ T32] r4:82ac21e4 [ 1338.668456][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.668576][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.668639][ T32] r4:e044ddc0 [ 1338.668689][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.668785][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.668837][ T32] r4:00000000 [ 1338.668924][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.669033][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.669098][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1338.691562][ T32] r5:85c0ff8c r4:85c0fc00 ** 3 printk messages dropped ** [ 1338.692357][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.692420][ T32] r4:84ab5800 [ 1338.692464][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.692588][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.692649][ T32] r4:00000001 [ 1338.692701][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.692856][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.692931][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.692997][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.693062][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.693146][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.693236][ T32] r4:84ab0640 [ 1338.693295][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.693369][ T32] INFO: task kworker/1:686:4750 blocked for more than 465 seconds. [ 1338.693444][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.693503][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.693553][ T32] task:kworker/1:686 state:D stack:0 pid:4750 tgid:4750 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.693724][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.693865][ T32] Call trace: [ 1338.693936][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.694059][ T32] r10:8291a684 r9:eb2edd84 r8:00000002 r7:60000013 r6:eb2edd8c r5:85442400 [ 1338.694110][ T32] r4:85442400 [ 1338.694159][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.694253][ T32] r5:85442400 r4:8291a680 [ 1338.694301][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.694459][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.694560][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2ede08 [ 1338.694620][ T32] r4:00000000 [ 1338.694693][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.694797][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.694887][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.694984][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848db440 [ 1338.695076][ T32] r4:00000000 [ 1338.695172][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.695281][ T32] r9:83018205 r8:85442400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 [ 1338.695341][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.695441][ T32] r5:00001000 r4:eb139000 [ 1338.695501][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.695596][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.695689][ T32] r5:854f8b8c r4:854f8800 [ 1338.695744][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.695846][ T32] r7:ddde2d80 r6:83018200 r5:854f8b8c r4:848cea00 [ 1338.695895][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.695999][ T32] r10:61c88647 r9:85442400 r8:848cea2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.696060][ T32] r4:848cea00 [ 1338.696103][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.696199][ T32] r10:00000000 r9:848cea00 r8:80287e08 r7:eb2e9e60 r6:8469b080 r5:85442400 [ 1338.696251][ T32] r4:00000001 [ 1338.696347][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.696445][ T32] Exception stack(0xeb2edfb0 to 0xeb2edff8) [ 1338.696551][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.696626][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.696694][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.696763][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.696812][ T32] r4:848db100 [ 1338.697573][ T32] INFO: task kworker/1:686:4750 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.697661][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.697787][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.697890][ T32] Call trace: [ 1338.697954][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.698079][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.698143][ T32] r4:00000000 [ 1338.698195][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.698282][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.698377][ T32] dd20: 8c6ca000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.698447][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.698501][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.698558][ T32] r5:800d0013 r4:80239bb0 [ 1338.698604][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.698716][ T32] r4:82ac21e4 [ 1338.698775][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.698870][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.698951][ T32] r4:e044ddc0 [ 1338.699004][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.699184][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.699245][ T32] r4:00000000 [ 1338.699411][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.720779][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.720870][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.721040][ T32] r5:00001000 r4:ed353000 [ 1338.721166][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.721271][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.721392][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.721443][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.721575][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.721657][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.721777][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.721846][ T32] r4:84ab5800 [ 1338.721899][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.722024][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.722085][ T32] r4:00000001 [ 1338.722132][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.722272][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.722357][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.722427][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.722492][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.722553][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.722613][ T32] r4:84ab0640 [ 1338.722671][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.722750][ T32] INFO: task kworker/1:687:4752 blocked for more than 465 seconds. [ 1338.722828][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.722912][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.723030][ T32] task:kworker/1:687 state:D stack:0 pid:4752 tgid:4752 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.723209][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.723313][ T32] Call trace: [ 1338.723424][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.723544][ T32] r10:8291a684 r9:eb2f5d84 r8:00000002 r7:60000113 r6:eb2f5d8c r5:85445400 [ 1338.723597][ T32] r4:85445400 [ 1338.723650][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.723758][ T32] r5:85445400 r4:8291a680 [ 1338.723806][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.723902][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.723997][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2f5e08 [ 1338.724058][ T32] r4:00000000 [ 1338.724109][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.724213][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.724359][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.724462][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848db6c0 [ 1338.724530][ T32] r4:00000000 [ 1338.724576][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.724638][ T32] r9:83018205 r8:85445400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b7000 [ 1338.724688][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.724786][ T32] r5:00001000 r4:eb15d000 [ 1338.724833][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.724918][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.725119][ T32] r5:854f938c r4:854f9000 [ 1338.725260][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.725413][ T32] r7:ddde2d80 r6:83018200 r5:854f938c r4:848cea80 [ 1338.725468][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.725569][ T32] r10:61c88647 r9:85445400 r8:848ceaac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.725625][ T32] r4:848cea80 [ 1338.725672][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.725774][ T32] r10:00000000 r9:848cea80 r8:80287e08 r7:eb2ede60 r6:8469b100 r5:85445400 [ 1338.725825][ T32] r4:00000001 [ 1338.725872][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.725950][ T32] Exception stack(0xeb2f5fb0 to 0xeb2f5ff8) [ 1338.726017][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1338.726092][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.726153][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.726235][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.726320][ T32] r4:848db2c0 [ 1338.727114][ T32] INFO: task kworker/1:687:4752 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.727200][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.727386][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.727524][ T32] Call trace: [ 1338.727603][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.727735][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.727799][ T32] r4:00000000 [ 1338.727842][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.727935][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.728003][ T32] dd20: 8c801000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.728103][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.728188][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.728250][ T32] r5:800d0013 r4:80239bb0 [ 1338.728317][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.728458][ T32] r4:82ac21e4 [ 1338.728582][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.728716][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.728801][ T32] r4:e044ddc0 [ 1338.728850][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.728962][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.729024][ T32] r4:00000000 [ 1338.729073][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.729172][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.729220][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.729317][ T32] r5:00001000 r4:ed353000 [ 1338.762738][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.763061][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.763168][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.763218][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.763317][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.763378][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.763483][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.763532][ T32] r4:84ab5800 [ 1338.763580][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.763710][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.763770][ T32] r4:00000001 [ 1338.763814][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.763901][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.763968][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.764034][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.764099][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.764160][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.764210][ T32] r4:84ab0640 [ 1338.764258][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.764323][ T32] INFO: task kworker/1:688:4753 blocked for more than 465 seconds. [ 1338.764400][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.764454][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.764560][ T32] task:kworker/1:688 state:D stack:0 pid:4753 tgid:4753 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.764706][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.764821][ T32] Call trace: [ 1338.764902][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.765010][ T32] r10:8291a684 r9:eb2f9d84 r8:00000002 r7:60000113 r6:eb2f9d8c r5:85446000 [ 1338.765070][ T32] r4:85446000 [ 1338.765140][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.765231][ T32] r5:85446000 r4:8291a680 [ 1338.765304][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.765433][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.765528][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2f9e08 [ 1338.765596][ T32] r4:00000000 [ 1338.765643][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.765750][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.765840][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.765961][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848db5c0 [ 1338.766022][ T32] r4:00000000 [ 1338.766096][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.766195][ T32] r9:83018205 r8:85446000 r7:00000000 r6:83018200 r5:00001000 r4:7f0b5000 [ 1338.766252][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.766342][ T32] r5:00001000 r4:eb14b000 [ 1338.766419][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.766528][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.766625][ T32] r5:854f8f8c r4:854f8c00 [ 1338.766672][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.766768][ T32] r7:ddde2d80 r6:83018200 r5:854f8f8c r4:848ceb00 [ 1338.766811][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.766912][ T32] r10:61c88647 r9:85446000 r8:848ceb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.766965][ T32] r4:848ceb00 [ 1338.767006][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.767138][ T32] r10:00000000 r9:848ceb00 r8:80287e08 r7:eb2f5e60 r6:8469b180 r5:85446000 [ 1338.767207][ T32] r4:00000001 [ 1338.767345][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.767433][ T32] Exception stack(0xeb2f9fb0 to 0xeb2f9ff8) [ 1338.767509][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.767576][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.767637][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.767696][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.767751][ T32] r4:848db2c0 [ 1338.768450][ T32] INFO: task kworker/1:688:4753 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.768545][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.768673][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.768772][ T32] Call trace: [ 1338.768838][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.768947][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.769004][ T32] r4:00000000 [ 1338.769066][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.769151][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.769211][ T32] dd20: 8ccaf000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.780842][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.781042][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.781163][ T32] r5:800d0013 r4:80239bb0 [ 1338.781257][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.781450][ T32] r4:82ac21e4 [ 1338.781509][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.781607][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.781690][ T32] r4:e044ddc0 [ 1338.781743][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.781904][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.781958][ T32] r4:00000000 [ 1338.782044][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.782176][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.782237][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.782377][ T32] r5:00001000 r4:ed353000 [ 1338.782433][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.782523][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.782619][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.782663][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.782769][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.782818][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.782923][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.782970][ T32] r4:84ab5800 [ 1338.783023][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.783124][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.783172][ T32] r4:00000001 [ 1338.783223][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.783306][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.783367][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.783434][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.783494][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.783571][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.783631][ T32] r4:84ab0640 [ 1338.783712][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.783808][ T32] INFO: task kworker/1:689:4756 blocked for more than 465 seconds. [ 1338.783884][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.783945][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.783991][ T32] task:kworker/1:689 state:D stack:0 pid:4756 tgid:4756 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.784176][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.784364][ T32] Call trace: [ 1338.784460][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.784588][ T32] r10:8291a684 r9:eb305d84 r8:00000002 r7:60000113 r6:eb305d8c r5:85444800 [ 1338.784647][ T32] r4:85444800 [ 1338.784688][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.784802][ T32] r5:85444800 r4:8291a680 [ 1338.784856][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.784998][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.785158][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb305e08 [ 1338.785222][ T32] r4:00000000 [ 1338.785269][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.785374][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.785463][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.785553][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848db840 [ 1338.785622][ T32] r4:00000000 [ 1338.785697][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.785798][ T32] r9:83018205 r8:85444800 r7:00000000 r6:83018200 r5:00001000 r4:7f0b9000 [ 1338.785879][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.785976][ T32] r5:00001000 r4:eb16b000 [ 1338.786023][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.786108][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.786196][ T32] r5:854f978c r4:854f9400 [ 1338.786248][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.786372][ T32] r7:ddde2d80 r6:83018200 r5:854f978c r4:848ceb80 [ 1338.786427][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.786530][ T32] r10:61c88647 r9:85444800 r8:848cebac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.786579][ T32] r4:848ceb80 [ 1338.786641][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.786754][ T32] r10:00000000 r9:848ceb80 r8:80287e08 r7:eb2f5e60 r6:8469b200 r5:85444800 [ 1338.786823][ T32] r4:00000001 [ 1338.786865][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.786999][ T32] Exception stack(0xeb305fb0 to 0xeb305ff8) [ 1338.787075][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1338.787145][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.787248][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.787316][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.787447][ T32] r4:848db400 [ 1338.788186][ T32] INFO: task kworker/1:689:4756 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.788317][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.788593][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.788701][ T32] Call trace: [ 1338.788832][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.788945][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.789003][ T32] r4:00000000 [ 1338.789052][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.789155][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.789259][ T32] dd20: 8ccaf000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.789472][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.820264][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.820333][ T32] r5:800d0013 r4:80239bb0 [ 1338.820371][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.820448][ T32] r4:82ac21e4 [ 1338.820472][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.820570][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.820625][ T32] r4:e044ddc0 [ 1338.820655][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.820745][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.820834][ T32] r4:00000000 [ 1338.820883][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.821008][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.821111][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.821251][ T32] r5:00001000 r4:ed353000 [ 1338.821302][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.821409][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.821688][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.821762][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.821904][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.821982][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.822095][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.822185][ T32] r4:84ab5800 [ 1338.822242][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.822353][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.822438][ T32] r4:00000001 [ 1338.822494][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.822581][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.822667][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.822764][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.822833][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.822903][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.822971][ T32] r4:84ab0640 [ 1338.823057][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.823133][ T32] INFO: task kworker/1:690:4758 blocked for more than 465 seconds. [ 1338.823211][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.823270][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.823324][ T32] task:kworker/1:690 state:D stack:0 pid:4758 tgid:4758 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.823457][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.823563][ T32] Call trace: [ 1338.823641][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.823756][ T32] r10:8291a684 r9:eb181d84 r8:00000002 r7:60000113 r6:eb181d8c r5:84648c00 [ 1338.823814][ T32] r4:84648c00 [ 1338.823894][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.823998][ T32] r5:84648c00 r4:8291a680 [ 1338.824048][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.824139][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.824268][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb181e08 [ 1338.824325][ T32] r4:00000000 [ 1338.824417][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.824531][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.824651][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.824834][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848db940 [ 1338.824895][ T32] r4:00000000 [ 1338.824947][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.825067][ T32] r9:83018205 r8:84648c00 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 [ 1338.825121][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.825263][ T32] r5:00001000 r4:dfa07000 [ 1338.825354][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.825449][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.825560][ T32] r5:854f9b8c r4:854f9800 [ 1338.825646][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.825751][ T32] r7:ddde2d80 r6:83018200 r5:854f9b8c r4:848cec00 [ 1338.825838][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.825953][ T32] r10:61c88647 r9:84648c00 r8:848cec2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.826016][ T32] r4:848cec00 [ 1338.826075][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.826207][ T32] r10:00000000 r9:848cec00 r8:80287e08 r7:eb305e60 r6:8469b280 r5:84648c00 [ 1338.826264][ T32] r4:00000001 [ 1338.826307][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.826399][ T32] Exception stack(0xeb181fb0 to 0xeb181ff8) [ 1338.826462][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1338.826526][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.826621][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.826689][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.826749][ T32] r4:848db640 [ 1338.827478][ T32] INFO: task kworker/1:690:4758 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.827559][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.827796][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.827989][ T32] Call trace: [ 1338.828133][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.828250][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.828310][ T32] r4:00000000 [ 1338.828360][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.828454][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.828540][ T32] dd20: 8cf88000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.828645][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.828746][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.828846][ T32] r5:800d0013 r4:80239bb0 [ 1338.828905][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.829003][ T32] r4:82ac21e4 [ 1338.829060][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.829176][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.863359][ T32] r4:e044ddc0 [ 1338.863647][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.863830][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.863899][ T32] r4:00000000 [ 1338.863946][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.864058][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.864146][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.864253][ T32] r5:00001000 r4:ed353000 [ 1338.864339][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.864442][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.864559][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.864609][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.864728][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.864780][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.864887][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.865098][ T32] r4:84ab5800 [ 1338.865187][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.865359][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.865433][ T32] r4:00000001 [ 1338.865483][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.865572][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.865644][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.865723][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.865795][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.865893][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.865983][ T32] r4:84ab0640 [ 1338.866074][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.866144][ T32] INFO: task kworker/1:691:4760 blocked for more than 465 seconds. [ 1338.866219][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.866278][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.866345][ T32] task:kworker/1:691 state:D stack:0 pid:4760 tgid:4760 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.866487][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.866593][ T32] Call trace: [ 1338.866713][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.866827][ T32] r10:8291a684 r9:eb30dd84 r8:00000002 r7:60000013 r6:eb30dd8c r5:8464a400 [ 1338.866877][ T32] r4:8464a400 [ 1338.866932][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.867068][ T32] r5:8464a400 r4:8291a680 [ 1338.867144][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.867240][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.867336][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb30de08 [ 1338.867414][ T32] r4:00000000 [ 1338.867466][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.867550][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.867648][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.867742][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dba40 [ 1338.867861][ T32] r4:00000000 [ 1338.867980][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.868118][ T32] r9:83018205 r8:8464a400 r7:00000000 r6:83018200 r5:00001000 r4:7f065000 [ 1338.868242][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.868358][ T32] r5:00001000 r4:dfbc7000 [ 1338.868409][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.868518][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.868617][ T32] r5:854f9f8c r4:854f9c00 [ 1338.868663][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.868767][ T32] r7:ddde2d80 r6:83018200 r5:854f9f8c r4:848cec80 [ 1338.868820][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.868923][ T32] r10:61c88647 r9:8464a400 r8:848cecac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.868974][ T32] r4:848cec80 [ 1338.869027][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.869330][ T32] r10:00000000 r9:848cec80 r8:80287e08 r7:eb181e60 r6:8469b300 r5:8464a400 [ 1338.880245][ T32] r4:00000001 [ 1338.880303][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.880386][ T32] Exception stack(0xeb30dfb0 to 0xeb30dff8) [ 1338.880425][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.880458][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.880489][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.880568][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.880618][ T32] r4:848db640 [ 1338.881324][ T32] INFO: task kworker/1:691:4760 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.881526][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.881714][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.881830][ T32] Call trace: [ 1338.882008][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.882354][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.882418][ T32] r4:00000000 [ 1338.882470][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.882557][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.882626][ T32] dd20: 8d50f000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.882780][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.882841][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.882898][ T32] r5:800d0013 r4:80239bb0 [ 1338.883029][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.883157][ T32] r4:82ac21e4 [ 1338.883211][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.883411][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.883476][ T32] r4:e044ddc0 [ 1338.883528][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.883704][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.883775][ T32] r4:00000000 [ 1338.883819][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.883920][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.884074][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.884170][ T32] r5:00001000 r4:ed353000 [ 1338.884244][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.884338][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.884443][ T32] r5:85c0ff8c r4:85c0fc00 ** 2 printk messages dropped ** [ 1338.884779][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1338.885181][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.885243][ T32] r4:00000001 [ 1338.885287][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.885391][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.885457][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.885543][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.885641][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.885714][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.885767][ T32] r4:84ab0640 [ 1338.885814][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.885882][ T32] INFO: task kworker/1:692:4762 blocked for more than 465 seconds. [ 1338.885960][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.886030][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.886088][ T32] task:kworker/1:692 state:D stack:0 pid:4762 tgid:4762 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.886232][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.886367][ T32] Call trace: [ 1338.886441][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.886547][ T32] r10:8291a684 r9:eb311d84 r8:00000002 r7:60000013 r6:eb311d8c r5:84648000 [ 1338.886595][ T32] r4:84648000 [ 1338.886647][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.886741][ T32] r5:84648000 r4:8291a680 [ 1338.886784][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.886874][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.886985][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb311e08 [ 1338.887059][ T32] r4:00000000 [ 1338.887106][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.887184][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.887281][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.887384][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dbdc0 [ 1338.887441][ T32] r4:00000000 [ 1338.887501][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.887605][ T32] r9:83018205 r8:84648000 r7:00000000 r6:83018200 r5:00001000 r4:7f069000 [ 1338.887668][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.887764][ T32] r5:00001000 r4:dfda3000 [ 1338.887809][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.887897][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.887995][ T32] r5:854fa78c r4:854fa400 [ 1338.888054][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.888156][ T32] r7:ddde2d80 r6:83018200 r5:854fa78c r4:848ced00 [ 1338.888200][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.888303][ T32] r10:61c88647 r9:84648000 r8:848ced2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.888371][ T32] r4:848ced00 [ 1338.888412][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.888536][ T32] r10:00000000 r9:848ced00 r8:80287e08 r7:eb30de60 r6:8469b380 r5:84648000 [ 1338.888590][ T32] r4:00000001 [ 1338.888702][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.888786][ T32] Exception stack(0xeb311fb0 to 0xeb311ff8) [ 1338.888851][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1338.888915][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.888973][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.889043][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.889157][ T32] r4:848db7c0 [ 1338.912886][ T32] INFO: task kworker/1:692:4762 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.913147][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.913319][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.913469][ T32] Call trace: [ 1338.913736][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.913979][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.914100][ T32] r4:00000000 [ 1338.914229][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.914435][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.914512][ T32] dd20: 8d71e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.914579][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.914709][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.914831][ T32] r5:800d0013 r4:80239bb0 [ 1338.914886][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.915175][ T32] r4:82ac21e4 [ 1338.915231][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.915329][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.915498][ T32] r4:e044ddc0 [ 1338.915554][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.915657][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.915745][ T32] r4:00000000 [ 1338.915800][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.916116][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.916288][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.916543][ T32] r5:00001000 r4:ed353000 [ 1338.916677][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.916773][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.917000][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.917114][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.917232][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.917285][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.917396][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.917453][ T32] r4:84ab5800 [ 1338.917806][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.917961][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.918021][ T32] r4:00000001 [ 1338.918184][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.918423][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.918494][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.918651][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.918808][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.919047][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.919168][ T32] r4:84ab0640 [ 1338.940345][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.940553][ T32] INFO: task kworker/1:693:4763 blocked for more than 465 seconds. [ 1338.940609][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.940639][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.940663][ T32] task:kworker/1:693 state:D stack:0 pid:4763 tgid:4763 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.940732][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.940801][ T32] Call trace: [ 1338.940837][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.940900][ T32] r10:8291a684 r9:eb315d84 r8:00000002 r7:60000113 r6:eb315d8c r5:8464b000 [ 1338.940925][ T32] r4:8464b000 [ 1338.940946][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.940992][ T32] r5:8464b000 r4:8291a680 [ 1338.941055][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.941139][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.941234][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb315e08 [ 1338.941298][ T32] r4:00000000 [ 1338.941441][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.941526][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.941620][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.941711][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dbc40 [ 1338.941763][ T32] r4:00000000 [ 1338.942022][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.942263][ T32] r9:83018205 r8:8464b000 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1338.942386][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.942484][ T32] r5:00001000 r4:dfcad000 [ 1338.942598][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.942694][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.942850][ T32] r5:854fa38c r4:854fa000 [ 1338.942903][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.943002][ T32] r7:ddde2d80 r6:83018200 r5:854fa38c r4:848ced80 [ 1338.943066][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.943171][ T32] r10:61c88647 r9:8464b000 r8:848cedac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.943226][ T32] r4:848ced80 [ 1338.943268][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.943389][ T32] r10:00000000 r9:848ced80 r8:80287e08 r7:eb311e60 r6:8469b400 r5:8464b000 [ 1338.943445][ T32] r4:00000001 [ 1338.943489][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.943621][ T32] Exception stack(0xeb315fb0 to 0xeb315ff8) [ 1338.943686][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1338.943752][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.943805][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.943874][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.943920][ T32] r4:848db7c0 [ 1338.944675][ T32] INFO: task kworker/1:693:4763 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.944771][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.944901][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.945002][ T32] Call trace: [ 1338.945075][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.945212][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.945269][ T32] r4:00000000 [ 1338.945315][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.945414][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.945476][ T32] dd20: 8da9d000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.945536][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.945594][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.945648][ T32] r5:800d0013 r4:80239bb0 [ 1338.945701][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.945785][ T32] r4:82ac21e4 [ 1338.945852][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.945944][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.945995][ T32] r4:e044ddc0 [ 1338.946059][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.946151][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.946204][ T32] r4:00000000 [ 1338.946246][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.946341][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.946404][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.946497][ T32] r5:00001000 r4:ed353000 [ 1338.946544][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.946634][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.946740][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.946784][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.946881][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.946933][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.947036][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.947127][ T32] r4:84ab5800 [ 1338.947213][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.947339][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.947405][ T32] r4:00000001 [ 1338.947453][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.947531][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.947590][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.947654][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.947736][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.947816][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.947872][ T32] r4:84ab0640 [ 1338.947920][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.947991][ T32] INFO: task kworker/1:694:4766 blocked for more than 465 seconds. [ 1338.948070][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.948141][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.948193][ T32] task:kworker/1:694 state:D stack:0 pid:4766 tgid:4766 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.948317][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.948422][ T32] Call trace: [ 1338.948483][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.948601][ T32] r10:8291a684 r9:eb319d84 r8:00000002 r7:60000113 r6:eb319d8c r5:8464bc00 [ 1338.948656][ T32] r4:8464bc00 [ 1338.948720][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.948819][ T32] r5:8464bc00 r4:8291a680 [ 1338.948881][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.948975][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.949105][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb319e08 [ 1338.949280][ T32] r4:00000000 [ 1338.980861][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1338.981065][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1338.981200][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.981307][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dbec0 [ 1338.981391][ T32] r4:00000000 [ 1338.981447][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.981557][ T32] r9:83018205 r8:8464bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f06b000 [ 1338.981645][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.981752][ T32] r5:00001000 r4:e0361000 [ 1338.981866][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.981976][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.982111][ T32] r5:854fab8c r4:854fa800 [ 1338.982192][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.982301][ T32] r7:ddde2d80 r6:83018200 r5:854fab8c r4:848cee00 [ 1338.982357][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.982480][ T32] r10:61c88647 r9:8464bc00 r8:848cee2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.982554][ T32] r4:848cee00 [ 1338.982607][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.982713][ T32] r10:00000000 r9:848cee00 r8:80287e08 r7:eb311e60 r6:8469b480 r5:8464bc00 [ 1338.982764][ T32] r4:00000001 [ 1338.982815][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.982929][ T32] Exception stack(0xeb319fb0 to 0xeb319ff8) [ 1338.983004][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.983075][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.983132][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.983196][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.983274][ T32] r4:848dbbc0 [ 1338.984057][ T32] INFO: task kworker/1:694:4766 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1338.984155][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.984310][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.984425][ T32] Call trace: [ 1338.984515][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1338.984732][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1338.984791][ T32] r4:00000000 [ 1338.984821][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.984868][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1338.984927][ T32] dd20: 8dfc8000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1338.984962][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1338.985005][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1338.985074][ T32] r5:800d0013 r4:80239bb0 [ 1338.985129][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.985202][ T32] r4:82ac21e4 [ 1338.985249][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.985339][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1338.985407][ T32] r4:e044ddc0 [ 1338.985468][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1338.985564][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1338.985641][ T32] r4:00000000 [ 1338.985727][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1338.985830][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1338.985883][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1338.985972][ T32] r5:00001000 r4:ed353000 [ 1338.986031][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1338.986121][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.986214][ T32] r5:85c0ff8c r4:85c0fc00 [ 1338.986254][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1338.986367][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1338.986445][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1338.986583][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.986726][ T32] r4:84ab5800 [ 1338.986793][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1338.986896][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1338.986981][ T32] r4:00000001 [ 1338.987158][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.987254][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1338.987415][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.987487][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.987547][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.987782][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1338.987845][ T32] r4:84ab0640 [ 1338.987896][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.988005][ T32] INFO: task kworker/1:695:4768 blocked for more than 465 seconds. [ 1338.988094][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1338.988157][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.988202][ T32] task:kworker/1:695 state:D stack:0 pid:4768 tgid:4768 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.988333][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.988440][ T32] Call trace: [ 1338.988526][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1338.988636][ T32] r10:8291a684 r9:eb321d84 r8:00000002 r7:60000013 r6:eb321d8c r5:8464d400 [ 1338.988692][ T32] r4:8464d400 [ 1338.988737][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1338.988835][ T32] r5:8464d400 r4:8291a680 [ 1338.988885][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.988968][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.989068][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb321e08 [ 1338.989290][ T32] r4:00000000 [ 1339.016163][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.016329][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.016431][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.016554][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dbf00 [ 1339.016637][ T32] r4:00000000 [ 1339.016728][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.016876][ T32] r9:83018205 r8:8464d400 r7:00000000 r6:83018200 r5:00001000 r4:7f06f000 [ 1339.016942][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.017042][ T32] r5:00001000 r4:e05a7000 [ 1339.017092][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.017175][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.017265][ T32] r5:854fb38c r4:854fb000 [ 1339.017318][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.017426][ T32] r7:ddde2d80 r6:83018200 r5:854fb38c r4:848cee80 [ 1339.017477][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.017614][ T32] r10:61c88647 r9:8464d400 r8:848ceeac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.017690][ T32] r4:848cee80 [ 1339.017739][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.017867][ T32] r10:00000000 r9:848cee80 r8:80287e08 r7:eb319e60 r6:8469b500 r5:8464d400 [ 1339.017966][ T32] r4:00000001 [ 1339.018106][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.018191][ T32] Exception stack(0xeb321fb0 to 0xeb321ff8) [ 1339.018262][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1339.018359][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.018466][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.018573][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.018634][ T32] r4:848dbd00 [ 1339.027966][ T32] INFO: task kworker/1:695:4768 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.028207][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.028410][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.028570][ T32] Call trace: [ 1339.028632][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.028746][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.028812][ T32] r4:00000000 [ 1339.028898][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.028995][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.029068][ T32] dd20: 8e511000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.029135][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.029315][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.034428][ T32] r5:800d0013 r4:80239bb0 [ 1339.034553][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.034687][ T32] r4:82ac21e4 [ 1339.034735][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.034834][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.034895][ T32] r4:e044ddc0 [ 1339.034940][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.035116][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.035208][ T32] r4:00000000 [ 1339.035262][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.035419][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.035475][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.035578][ T32] r5:00001000 r4:ed353000 [ 1339.035633][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.035771][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.035913][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.035967][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.036115][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.036172][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.036346][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.036413][ T32] r4:84ab5800 [ 1339.036479][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.036601][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.036664][ T32] r4:00000001 [ 1339.036710][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.036803][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.036869][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.037000][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.037070][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.037139][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.037209][ T32] r4:84ab0640 [ 1339.037268][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.037408][ T32] INFO: task kworker/1:696:4769 blocked for more than 465 seconds. [ 1339.037486][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.037590][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.037690][ T32] task:kworker/1:696 state:D stack:0 pid:4769 tgid:4769 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.037851][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.037958][ T32] Call trace: [ 1339.038037][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.038152][ T32] r10:8291a684 r9:eb2d1d84 r8:00000002 r7:60000013 r6:eb2d1d8c r5:85483000 [ 1339.038225][ T32] r4:85483000 [ 1339.038278][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.038411][ T32] r5:85483000 r4:8291a680 [ 1339.038458][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.038572][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.038672][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2d1e08 [ 1339.038794][ T32] r4:00000000 [ 1339.038854][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.038950][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.039042][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.039178][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8469af40 [ 1339.060174][ T32] r4:00000000 [ 1339.060291][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.060391][ T32] r9:83018205 r8:85483000 r7:00000000 r6:83018200 r5:00001000 r4:7f06d000 [ 1339.060420][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.060527][ T32] r5:00001000 r4:e053b000 [ 1339.060583][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.060661][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.060734][ T32] r5:854faf8c r4:854fac00 [ 1339.060909][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.061038][ T32] r7:ddde2d80 r6:83018200 r5:854faf8c r4:848cef00 [ 1339.061092][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.061200][ T32] r10:61c88647 r9:85483000 r8:848cef2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.061247][ T32] r4:848cef00 [ 1339.061296][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.061472][ T32] r10:00000000 r9:848cef00 r8:80287e08 r7:eb321e60 r6:848cef80 r5:85483000 [ 1339.061597][ T32] r4:00000001 [ 1339.061660][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.061750][ T32] Exception stack(0xeb2d1fb0 to 0xeb2d1ff8) [ 1339.062003][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1339.062080][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.062245][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.062330][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.062397][ T32] r4:8469afc0 [ 1339.063121][ T32] INFO: task kworker/1:696:4769 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.063226][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.063460][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.063568][ T32] Call trace: [ 1339.063664][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.063780][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.063833][ T32] r4:00000000 [ 1339.063877][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.063962][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.064035][ T32] dd20: 8ea5e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.064094][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.064154][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.064207][ T32] r5:800d0013 r4:80239bb0 [ 1339.064289][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.064428][ T32] r4:82ac21e4 [ 1339.064482][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.064601][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.064691][ T32] r4:e044ddc0 [ 1339.064757][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.064868][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.064933][ T32] r4:00000000 [ 1339.065015][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.065121][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.065172][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.065270][ T32] r5:00001000 r4:ed353000 [ 1339.065318][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.065414][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.065525][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.065592][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.065696][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.065744][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.065867][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.065924][ T32] r4:84ab5800 [ 1339.066000][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.066108][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.066160][ T32] r4:00000001 [ 1339.066208][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.066288][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.066346][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.066421][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.066505][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.066570][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.066689][ T32] r4:84ab0640 [ 1339.066757][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.066859][ T32] INFO: task kworker/1:697:4772 blocked for more than 465 seconds. [ 1339.066940][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.066997][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.067079][ T32] task:kworker/1:697 state:D stack:0 pid:4772 tgid:4772 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.067223][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.067321][ T32] Call trace: [ 1339.067408][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.067512][ T32] r10:8291a684 r9:eb31dd84 r8:00000002 r7:60000113 r6:eb31dd8c r5:85480000 [ 1339.067572][ T32] r4:85480000 [ 1339.067639][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.067745][ T32] r5:85480000 r4:8291a680 [ 1339.067790][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.067877][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.067970][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb31de08 [ 1339.068023][ T32] r4:00000000 [ 1339.068068][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.068147][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.068242][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.068340][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8550c100 [ 1339.068441][ T32] r4:00000000 [ 1339.068491][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.068603][ T32] r9:83018205 r8:85480000 r7:00000000 r6:83018200 r5:00001000 r4:7f073000 [ 1339.068656][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.068743][ T32] r5:00001000 r4:ea8af000 [ 1339.068828][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.068920][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.069020][ T32] r5:854fbb8c r4:854fb800 [ 1339.069066][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.069167][ T32] r7:ddde2d80 r6:83018200 r5:854fbb8c r4:848e2000 [ 1339.069223][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.090697][ T32] r10:61c88647 r9:85480000 r8:848e202c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.090757][ T32] r4:848e2000 [ 1339.090784][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.090867][ T32] r10:00000000 r9:848e2000 r8:80287e08 r7:eb321e60 r6:848e2080 r5:85480000 [ 1339.090960][ T32] r4:00000001 [ 1339.091016][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.091077][ T32] Exception stack(0xeb31dfb0 to 0xeb31dff8) [ 1339.091147][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.091222][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.091282][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.091332][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.091397][ T32] r4:848dbe80 [ 1339.092108][ T32] INFO: task kworker/1:697:4772 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.092193][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.092545][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.092772][ T32] Call trace: [ 1339.092854][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.093010][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.093138][ T32] r4:00000000 [ 1339.093192][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.093285][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.093456][ T32] dd20: 8ec0b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.093530][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.093570][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.093617][ T32] r5:800d0013 r4:80239bb0 [ 1339.093728][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.093846][ T32] r4:82ac21e4 [ 1339.093900][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.094078][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.094136][ T32] r4:e044ddc0 [ 1339.094183][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.094275][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.094331][ T32] r4:00000000 [ 1339.094428][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.094533][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.094584][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.094684][ T32] r5:00001000 r4:ed353000 [ 1339.094773][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.094889][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.095008][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.095129][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.095235][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.095285][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.095446][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.095500][ T32] r4:84ab5800 [ 1339.095544][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.095691][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.095934][ T32] r4:00000001 [ 1339.096058][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.096188][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.096252][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.096383][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.096552][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.096633][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.096693][ T32] r4:84ab0640 [ 1339.096739][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.096807][ T32] INFO: task kworker/1:698:4773 blocked for more than 465 seconds. [ 1339.096885][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.097009][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.097064][ T32] task:kworker/1:698 state:D stack:0 pid:4773 tgid:4773 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.097321][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.097570][ T32] Call trace: [ 1339.097652][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.097849][ T32] r10:8291a684 r9:eb329d84 r8:00000002 r7:60000113 r6:eb329d8c r5:85484800 [ 1339.097908][ T32] r4:85484800 [ 1339.097958][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.098115][ T32] r5:85484800 r4:8291a680 [ 1339.098169][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.098422][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.098532][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb329e08 [ 1339.098587][ T32] r4:00000000 [ 1339.098630][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.098712][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.098794][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.098879][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa0d00 [ 1339.098939][ T32] r4:00000000 [ 1339.098980][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.099077][ T32] r9:83018205 r8:85484800 r7:00000000 r6:83018200 r5:00001000 r4:7f071000 [ 1339.099125][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.099215][ T32] r5:00001000 r4:ea87d000 [ 1339.122016][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.122422][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.122681][ T32] r5:854fb78c r4:854fb400 [ 1339.122761][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.122988][ T32] r7:ddde2d80 r6:83018200 r5:854fb78c r4:848e2100 [ 1339.123045][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.123428][ T32] r10:61c88647 r9:85484800 r8:848e212c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.123497][ T32] r4:848e2100 [ 1339.123542][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.123652][ T32] r10:00000000 r9:848e2100 r8:80287e08 r7:eb31de60 r6:848e2180 r5:85484800 [ 1339.123709][ T32] r4:00000001 [ 1339.123765][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.123948][ T32] Exception stack(0xeb329fb0 to 0xeb329ff8) [ 1339.124024][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.124193][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.124437][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.124681][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.124738][ T32] r4:84aa0e40 [ 1339.125559][ T32] INFO: task kworker/1:698:4773 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.125772][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.126130][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.126316][ T32] Call trace: [ 1339.126446][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.126565][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.126626][ T32] r4:00000000 [ 1339.126673][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.126762][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.126822][ T32] dd20: 8f003000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.126925][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.126985][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.127045][ T32] r5:800d0013 r4:80239bb0 [ 1339.127090][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.127237][ T32] r4:82ac21e4 [ 1339.127293][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.127424][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.127476][ T32] r4:e044ddc0 [ 1339.127621][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.127726][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.127872][ T32] r4:00000000 [ 1339.127989][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.128108][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.128162][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.128391][ T32] r5:00001000 r4:ed353000 [ 1339.128446][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.128673][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.128772][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.128825][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.128931][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.128979][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.129175][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.129337][ T32] r4:84ab5800 [ 1339.160128][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.160381][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.160454][ T32] r4:00000001 [ 1339.160520][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.160610][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.160671][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.160737][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.160797][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.160858][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.160944][ T32] r4:84ab0640 [ 1339.161003][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.161095][ T32] INFO: task kworker/1:699:4777 blocked for more than 465 seconds. [ 1339.161193][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.161252][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.161304][ T32] task:kworker/1:699 state:D stack:0 pid:4777 tgid:4777 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.161542][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.161776][ T32] Call trace: [ 1339.161882][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.162169][ T32] r10:8291a684 r9:eb32dd84 r8:00000002 r7:60000113 r6:eb32dd8c r5:85485400 [ 1339.162230][ T32] r4:85485400 [ 1339.162278][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.162387][ T32] r5:85485400 r4:8291a680 [ 1339.162433][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.162517][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.162613][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb32de08 [ 1339.162660][ T32] r4:00000000 [ 1339.162712][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.162784][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.162867][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.162980][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8550c280 [ 1339.163036][ T32] r4:00000000 [ 1339.163079][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.163225][ T32] r9:83018205 r8:85485400 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 [ 1339.163280][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.163399][ T32] r5:00001000 r4:ea8d7000 [ 1339.163452][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.163604][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.163705][ T32] r5:854fbf8c r4:854fbc00 [ 1339.163753][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.163848][ T32] r7:ddde2d80 r6:83018200 r5:854fbf8c r4:848e2200 [ 1339.163895][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.164023][ T32] r10:61c88647 r9:85485400 r8:848e222c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.164076][ T32] r4:848e2200 [ 1339.164125][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.164217][ T32] r10:00000000 r9:848e2200 r8:80287e08 r7:eb31de60 r6:848e2280 r5:85485400 [ 1339.164264][ T32] r4:00000001 [ 1339.164309][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.164399][ T32] Exception stack(0xeb32dfb0 to 0xeb32dff8) [ 1339.164459][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.164536][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.164597][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.164748][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.164829][ T32] r4:8550c1c0 [ 1339.165551][ T32] INFO: task kworker/1:699:4777 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.165647][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.165834][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.165930][ T32] Call trace: [ 1339.166028][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.166171][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.166231][ T32] r4:00000000 [ 1339.166270][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.166373][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.166457][ T32] dd20: 8f3a0000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.166517][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.166593][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.166680][ T32] r5:800d0013 r4:80239bb0 [ 1339.166728][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.166839][ T32] r4:82ac21e4 [ 1339.166895][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.166988][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.167036][ T32] r4:e044ddc0 [ 1339.167114][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.167208][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.167291][ T32] r4:00000000 [ 1339.167427][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.167599][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.167660][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.167752][ T32] r5:00001000 r4:ed353000 [ 1339.167801][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.167889][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.167982][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.168051][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.168181][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.168265][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.168388][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.168449][ T32] r4:84ab5800 [ 1339.168489][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.168607][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.168665][ T32] r4:00000001 [ 1339.168743][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.168823][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.168885][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.168944][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.169005][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.169101][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.169294][ T32] r4:84ab0640 [ 1339.203364][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.203529][ T32] INFO: task kworker/1:700:4778 blocked for more than 465 seconds. [ 1339.203610][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.203685][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.203770][ T32] task:kworker/1:700 state:D stack:0 pid:4778 tgid:4778 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.203946][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.204117][ T32] Call trace: [ 1339.204201][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.204321][ T32] r10:8291a684 r9:eb331d84 r8:00000002 r7:60000113 r6:eb331d8c r5:85486000 [ 1339.204395][ T32] r4:85486000 [ 1339.204447][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.204614][ T32] r5:85486000 r4:8291a680 [ 1339.204679][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.204806][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.204942][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb331e08 [ 1339.205007][ T32] r4:00000000 [ 1339.205049][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.205153][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.205260][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.205358][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8550c400 [ 1339.205411][ T32] r4:00000000 [ 1339.205452][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.205550][ T32] r9:83018205 r8:85486000 r7:00000000 r6:83018200 r5:00001000 r4:7f077000 [ 1339.205608][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.205700][ T32] r5:00001000 r4:ea915000 [ 1339.205742][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.205828][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.205921][ T32] r5:8550038c r4:85500000 [ 1339.205982][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.206085][ T32] r7:ddde2d80 r6:83018200 r5:8550038c r4:848e2300 [ 1339.206129][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.206228][ T32] r10:61c88647 r9:85486000 r8:848e232c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.206285][ T32] r4:848e2300 [ 1339.206326][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.206433][ T32] r10:00000000 r9:848e2300 r8:80287e08 r7:eb32de60 r6:848e2380 r5:85486000 [ 1339.206518][ T32] r4:00000001 [ 1339.206564][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.206646][ T32] Exception stack(0xeb331fb0 to 0xeb331ff8) [ 1339.206738][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1339.206862][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.206926][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.206987][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.207035][ T32] r4:8550c340 [ 1339.207694][ T32] INFO: task kworker/1:700:4778 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.207762][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.207883][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.208005][ T32] Call trace: [ 1339.208068][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.208169][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.208220][ T32] r4:00000000 [ 1339.208263][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.208348][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.208412][ T32] dd20: 8f646000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.208510][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.208566][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.208622][ T32] r5:800d0013 r4:80239bb0 [ 1339.208684][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.208776][ T32] r4:82ac21e4 [ 1339.208828][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.208918][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.208964][ T32] r4:e044ddc0 [ 1339.209048][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.209140][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.209205][ T32] r4:00000000 [ 1339.209340][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.222829][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.222924][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.223050][ T32] r5:00001000 r4:ed353000 [ 1339.223101][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.223235][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.223329][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.223400][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.223508][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.223589][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.223725][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.223781][ T32] r4:84ab5800 [ 1339.223852][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.223952][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.224035][ T32] r4:00000001 [ 1339.224130][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.224221][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.224285][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.224361][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.224423][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.224482][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.224549][ T32] r4:84ab0640 [ 1339.224597][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.224692][ T32] INFO: task kworker/1:701:4780 blocked for more than 465 seconds. [ 1339.224767][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.224817][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.224869][ T32] task:kworker/1:701 state:D stack:0 pid:4780 tgid:4780 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.224999][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.225099][ T32] Call trace: [ 1339.225188][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.225293][ T32] r10:8291a684 r9:eb335d84 r8:00000002 r7:60000013 r6:eb335d8c r5:85486c00 [ 1339.225355][ T32] r4:85486c00 [ 1339.225397][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.225487][ T32] r5:85486c00 r4:8291a680 [ 1339.225547][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.225661][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.225756][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb335e08 [ 1339.225832][ T32] r4:00000000 [ 1339.225918][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.226008][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.226096][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.226184][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8550c5c0 [ 1339.226234][ T32] r4:00000000 [ 1339.226278][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.226379][ T32] r9:83018205 r8:85486c00 r7:00000000 r6:83018200 r5:00001000 r4:7f079000 [ 1339.226431][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.226522][ T32] r5:00001000 r4:ea93f000 [ 1339.226567][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.226652][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.226789][ T32] r5:8550078c r4:85500400 [ 1339.226843][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.226940][ T32] r7:ddde2d80 r6:83018200 r5:8550078c r4:848e2400 [ 1339.227030][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.227137][ T32] r10:61c88647 r9:85486c00 r8:848e242c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.227189][ T32] r4:848e2400 [ 1339.227230][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.227339][ T32] r10:00000000 r9:848e2400 r8:80287e08 r7:eb331e60 r6:848e2480 r5:85486c00 [ 1339.227395][ T32] r4:00000001 [ 1339.227437][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.227518][ T32] Exception stack(0xeb335fb0 to 0xeb335ff8) [ 1339.227578][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1339.227637][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.227761][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.227860][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.227918][ T32] r4:8550c200 [ 1339.228619][ T32] INFO: task kworker/1:701:4780 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.228693][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.228841][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.228953][ T32] Call trace: [ 1339.229049][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.229157][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.229231][ T32] r4:00000000 [ 1339.229365][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.260186][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.260292][ T32] dd20: 8fc46000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.260363][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.260426][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.260490][ T32] r5:800d0013 r4:80239bb0 [ 1339.260559][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.260729][ T32] r4:82ac21e4 [ 1339.260788][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.260907][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.260969][ T32] r4:e044ddc0 [ 1339.261081][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.261198][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.261341][ T32] r4:00000000 [ 1339.261400][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.261511][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.261570][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.261677][ T32] r5:00001000 r4:ed353000 [ 1339.261726][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.261823][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.261918][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.261970][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.262136][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.262200][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.262306][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.262371][ T32] r4:84ab5800 [ 1339.262427][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.262532][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.262665][ T32] r4:00000001 [ 1339.262743][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.262861][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.262943][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.263022][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.263092][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.263158][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.263206][ T32] r4:84ab0640 [ 1339.263261][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.263327][ T32] INFO: task kworker/1:702:4782 blocked for more than 465 seconds. [ 1339.263443][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.263549][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.263611][ T32] task:kworker/1:702 state:D stack:0 pid:4782 tgid:4782 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.263734][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.263838][ T32] Call trace: [ 1339.263951][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.264063][ T32] r10:8291a684 r9:eb339d84 r8:00000002 r7:60000113 r6:eb339d8c r5:85483c00 [ 1339.264138][ T32] r4:85483c00 [ 1339.264289][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.264405][ T32] r5:85483c00 r4:8291a680 [ 1339.264451][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.264587][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.264722][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb339e08 [ 1339.264840][ T32] r4:00000000 [ 1339.264895][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.264978][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.265152][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.265252][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8550ca80 [ 1339.265356][ T32] r4:00000000 [ 1339.265627][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.265736][ T32] r9:83018205 r8:85483c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 [ 1339.265851][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.265963][ T32] r5:00001000 r4:eaaab000 [ 1339.266014][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.266165][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.266262][ T32] r5:85500f8c r4:85500c00 [ 1339.266396][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.266498][ T32] r7:ddde2d80 r6:83018200 r5:85500f8c r4:848e2500 [ 1339.266547][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.266654][ T32] r10:61c88647 r9:85483c00 r8:848e252c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.266703][ T32] r4:848e2500 [ 1339.266785][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.266884][ T32] r10:00000000 r9:848e2500 r8:80287e08 r7:eb335e60 r6:848e2580 r5:85483c00 [ 1339.266940][ T32] r4:00000001 [ 1339.266981][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.267064][ T32] Exception stack(0xeb339fb0 to 0xeb339ff8) [ 1339.267144][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.267218][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.267278][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.267368][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.267417][ T32] r4:8550c440 [ 1339.268235][ T32] INFO: task kworker/1:702:4782 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.268341][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.268618][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.268723][ T32] Call trace: [ 1339.268796][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.268909][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.268963][ T32] r4:00000000 [ 1339.269035][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.269124][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.269190][ T32] dd20: 8fc46000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.269310][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.300137][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.300236][ T32] r5:800d0013 r4:80239bb0 [ 1339.300316][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.300451][ T32] r4:82ac21e4 [ 1339.300550][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.300671][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.300745][ T32] r4:e044ddc0 [ 1339.300802][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.300980][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.301049][ T32] r4:00000000 [ 1339.301105][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.301209][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.301262][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.301364][ T32] r5:00001000 r4:ed353000 [ 1339.301417][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.301511][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.301611][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.301695][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.301807][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.301939][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.302045][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.302099][ T32] r4:84ab5800 [ 1339.302145][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.302316][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.302393][ T32] r4:00000001 [ 1339.302457][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.302544][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.302610][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.302674][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.302742][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.302808][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.302859][ T32] r4:84ab0640 [ 1339.302959][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.303075][ T32] INFO: task kworker/1:703:4784 blocked for more than 465 seconds. [ 1339.303153][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.303302][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.303410][ T32] task:kworker/1:703 state:D stack:0 pid:4784 tgid:4784 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.303684][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.303785][ T32] Call trace: [ 1339.303961][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.304077][ T32] r10:8291a684 r9:eb2e1d84 r8:00000002 r7:60000013 r6:eb2e1d8c r5:85482400 [ 1339.304156][ T32] r4:85482400 [ 1339.304287][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.304392][ T32] r5:85482400 r4:8291a680 [ 1339.304444][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.304596][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.304710][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2e1e08 [ 1339.304763][ T32] r4:00000000 [ 1339.304829][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.304916][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.304996][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.305165][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8550c7c0 [ 1339.305245][ T32] r4:00000000 [ 1339.305300][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.305398][ T32] r9:83018205 r8:85482400 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1339.305448][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.305537][ T32] r5:00001000 r4:ea969000 [ 1339.305584][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.305715][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.305815][ T32] r5:85500b8c r4:85500800 [ 1339.305878][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.305997][ T32] r7:ddde2d80 r6:83018200 r5:85500b8c r4:848e2600 [ 1339.306063][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.306162][ T32] r10:61c88647 r9:85482400 r8:848e262c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.306216][ T32] r4:848e2600 [ 1339.306264][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.306357][ T32] r10:00000000 r9:848e2600 r8:80287e08 r7:eb339e60 r6:848e2680 r5:85482400 [ 1339.306415][ T32] r4:00000001 [ 1339.306459][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.306528][ T32] Exception stack(0xeb2e1fb0 to 0xeb2e1ff8) [ 1339.306605][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1339.306670][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.306729][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.306792][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.306842][ T32] r4:8550c640 [ 1339.307546][ T32] INFO: task kworker/1:703:4784 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.307625][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.307942][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.308084][ T32] Call trace: [ 1339.308157][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.308264][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.308404][ T32] r4:00000000 [ 1339.308527][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.308620][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.308689][ T32] dd20: 8ff8d000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.308753][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.308916][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.308974][ T32] r5:800d0013 r4:80239bb0 [ 1339.309020][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.309108][ T32] r4:82ac21e4 [ 1339.309166][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.309283][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.331912][ T32] r4:e044ddc0 [ 1339.332126][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.332280][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.332341][ T32] r4:00000000 [ 1339.332410][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.332587][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.332654][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.332778][ T32] r5:00001000 r4:ed353000 [ 1339.332847][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.332941][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.333035][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.333105][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.333214][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.333268][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.333381][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.333450][ T32] r4:84ab5800 [ 1339.333511][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.333635][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.333692][ T32] r4:00000001 [ 1339.333740][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.333861][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.333935][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.334031][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.334098][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.334159][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.334246][ T32] r4:84ab0640 [ 1339.334337][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.334439][ T32] INFO: task kworker/1:704:4785 blocked for more than 465 seconds. [ 1339.334522][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.334581][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.334641][ T32] task:kworker/1:704 state:D stack:0 pid:4785 tgid:4785 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.334800][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.334942][ T32] Call trace: [ 1339.335046][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.335160][ T32] r10:8291a684 r9:eb341d84 r8:00000002 r7:60000113 r6:eb341d8c r5:85488000 [ 1339.335214][ T32] r4:85488000 [ 1339.335260][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.335352][ T32] r5:85488000 r4:8291a680 [ 1339.335430][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.335524][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.335620][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb341e08 [ 1339.335686][ T32] r4:00000000 [ 1339.335749][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.335851][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.335965][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.336061][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8550cd80 [ 1339.336115][ T32] r4:00000000 [ 1339.336163][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.336260][ T32] r9:83018205 r8:85488000 r7:00000000 r6:83018200 r5:00001000 r4:7f081000 [ 1339.336314][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.336429][ T32] r5:00001000 r4:eab13000 [ 1339.336567][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.336668][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.336761][ T32] r5:8550178c r4:85501400 [ 1339.336815][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.336911][ T32] r7:ddde2d80 r6:83018200 r5:8550178c r4:848e2700 [ 1339.336994][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.337102][ T32] r10:61c88647 r9:85488000 r8:848e272c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.337185][ T32] r4:848e2700 [ 1339.337250][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.337349][ T32] r10:00000000 r9:848e2700 r8:80287e08 r7:eb339e60 r6:848e2780 r5:85488000 [ 1339.337458][ T32] r4:00000001 [ 1339.337519][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.337606][ T32] Exception stack(0xeb341fb0 to 0xeb341ff8) [ 1339.337668][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1339.337740][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.337803][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.337887][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.337946][ T32] r4:8550c640 [ 1339.338738][ T32] INFO: task kworker/1:704:4785 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.338827][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.339016][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.339198][ T32] Call trace: [ 1339.365431][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.365609][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.365677][ T32] r4:00000000 [ 1339.365725][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.365842][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.365923][ T32] dd20: 904a4000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.365994][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.366052][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.366104][ T32] r5:800d0013 r4:80239bb0 [ 1339.366214][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.366311][ T32] r4:82ac21e4 [ 1339.366360][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.366488][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.366545][ T32] r4:e044ddc0 [ 1339.366594][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.366693][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.366752][ T32] r4:00000000 [ 1339.366813][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.366989][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.367045][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.367143][ T32] r5:00001000 r4:ed353000 [ 1339.367195][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.367283][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.367393][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.367439][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.367541][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.367642][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.367782][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.367864][ T32] r4:84ab5800 [ 1339.367952][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.368083][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.368148][ T32] r4:00000001 [ 1339.368190][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.368284][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.368343][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.368412][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.368480][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.368583][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.368637][ T32] r4:84ab0640 [ 1339.368697][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.368766][ T32] INFO: task kworker/1:705:4787 blocked for more than 465 seconds. [ 1339.368839][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.368899][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.368989][ T32] task:kworker/1:705 state:D stack:0 pid:4787 tgid:4787 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.369126][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.369240][ T32] Call trace: [ 1339.380419][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.380667][ T32] r10:8291a684 r9:eb345d84 r8:00000002 r7:60000113 r6:eb345d8c r5:85489800 [ 1339.380731][ T32] r4:85489800 [ 1339.380789][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.380923][ T32] r5:85489800 r4:8291a680 [ 1339.381075][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.381217][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.381333][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb345e08 [ 1339.381420][ T32] r4:00000000 [ 1339.381476][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.381556][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.381669][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.381786][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8550ccc0 [ 1339.381954][ T32] r4:00000000 [ 1339.382074][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.382189][ T32] r9:83018205 r8:85489800 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1339.382244][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.382387][ T32] r5:00001000 r4:eaad1000 [ 1339.382580][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.382762][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.382864][ T32] r5:8550138c r4:85501000 [ 1339.382931][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.383148][ T32] r7:ddde2d80 r6:83018200 r5:8550138c r4:848e2800 [ 1339.383227][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.383512][ T32] r10:61c88647 r9:85489800 r8:848e282c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.383629][ T32] r4:848e2800 [ 1339.383689][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.383876][ T32] r10:00000000 r9:848e2800 r8:80287e08 r7:eb341e60 r6:848e2880 r5:85489800 [ 1339.383945][ T32] r4:00000001 [ 1339.384099][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.384190][ T32] Exception stack(0xeb345fb0 to 0xeb345ff8) [ 1339.384305][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1339.384382][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.384529][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.384601][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.384664][ T32] r4:8550c980 [ 1339.385447][ T32] INFO: task kworker/1:705:4787 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.385550][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.385719][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.385875][ T32] Call trace: [ 1339.386061][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.386173][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.386328][ T32] r4:00000000 [ 1339.386385][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.386483][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.386546][ T32] dd20: 904a4000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.386617][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.386680][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.386733][ T32] r5:800d0013 r4:80239bb0 [ 1339.386786][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.386876][ T32] r4:82ac21e4 [ 1339.386930][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.387025][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.387074][ T32] r4:e044ddc0 [ 1339.387247][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.387343][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.387471][ T32] r4:00000000 [ 1339.387521][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.387688][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.387811][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.387906][ T32] r5:00001000 r4:ed353000 [ 1339.388056][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.388150][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.388280][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.388332][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.388439][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.388526][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.388640][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.388706][ T32] r4:84ab5800 [ 1339.388772][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.388890][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.388946][ T32] r4:00000001 [ 1339.388995][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.389077][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.389136][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.389274][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.414925][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.415098][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.415155][ T32] r4:84ab0640 [ 1339.415221][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.415289][ T32] INFO: task kworker/1:706:4790 blocked for more than 465 seconds. [ 1339.415373][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.415534][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.415604][ T32] task:kworker/1:706 state:D stack:0 pid:4790 tgid:4790 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.415739][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.415873][ T32] Call trace: [ 1339.416048][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.416257][ T32] r10:8291a684 r9:eb351d84 r8:00000002 r7:60000013 r6:eb351d8c r5:8464c800 [ 1339.416374][ T32] r4:8464c800 [ 1339.416453][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.416628][ T32] r5:8464c800 r4:8291a680 [ 1339.416707][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.416797][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.416923][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb351e08 [ 1339.417040][ T32] r4:00000000 [ 1339.417143][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.417224][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.417355][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.417459][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8550cec0 [ 1339.417510][ T32] r4:00000000 [ 1339.417557][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.417701][ T32] r9:83018205 r8:8464c800 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1339.417757][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.417911][ T32] r5:00001000 r4:eab75000 [ 1339.417967][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.418058][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.418157][ T32] r5:85501b8c r4:85501800 [ 1339.418201][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.418335][ T32] r7:ddde2d80 r6:83018200 r5:85501b8c r4:848e2900 [ 1339.418399][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.418503][ T32] r10:61c88647 r9:8464c800 r8:848e292c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.418562][ T32] r4:848e2900 [ 1339.418605][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.418712][ T32] r10:00000000 r9:848e2900 r8:80287e08 r7:eb341e60 r6:8469b580 r5:8464c800 [ 1339.418768][ T32] r4:00000001 [ 1339.418830][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.418923][ T32] Exception stack(0xeb351fb0 to 0xeb351ff8) [ 1339.418997][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1339.419064][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.419119][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.419376][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.434238][ T32] r4:8550ce00 [ 1339.435006][ T32] INFO: task kworker/1:706:4790 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.435130][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.435342][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.435529][ T32] Call trace: [ 1339.435700][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.435822][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.435892][ T32] r4:00000000 [ 1339.435941][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.436033][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.436118][ T32] dd20: 90969000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.436182][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.436243][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.436303][ T32] r5:800d0013 r4:80239bb0 [ 1339.436359][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.436476][ T32] r4:82ac21e4 [ 1339.436563][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.436674][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.436760][ T32] r4:e044ddc0 [ 1339.436842][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.436941][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.436993][ T32] r4:00000000 [ 1339.437047][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.437170][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.437230][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.437329][ T32] r5:00001000 r4:ed353000 [ 1339.437377][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.437474][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.437570][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.437642][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.437748][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.437803][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.437935][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.437992][ T32] r4:84ab5800 [ 1339.438038][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.438142][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.438276][ T32] r4:00000001 [ 1339.438364][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.438477][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.438542][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.438609][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.438672][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.438738][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.438794][ T32] r4:84ab0640 [ 1339.438840][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.438906][ T32] INFO: task kworker/1:707:4792 blocked for more than 465 seconds. [ 1339.438979][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.439038][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.439093][ T32] task:kworker/1:707 state:D stack:0 pid:4792 tgid:4792 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.439219][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.460286][ T32] Call trace: [ 1339.460365][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.460526][ T32] r10:8291a684 r9:eb355d84 r8:00000002 r7:60000113 r6:eb355d8c r5:8464ec00 [ 1339.460607][ T32] r4:8464ec00 [ 1339.460672][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.460766][ T32] r5:8464ec00 r4:8291a680 [ 1339.460814][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.460929][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.461053][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb355e08 [ 1339.461130][ T32] r4:00000000 [ 1339.461181][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.461286][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.461378][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.461470][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84292300 [ 1339.461519][ T32] r4:00000000 [ 1339.461573][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.461681][ T32] r9:83018205 r8:8464ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f08b000 [ 1339.461752][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.461883][ T32] r5:00001000 r4:eade3000 [ 1339.461933][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.462043][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.462139][ T32] r5:8550278c r4:85502400 [ 1339.462226][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.462331][ T32] r7:ddde2d80 r6:83018200 r5:8550278c r4:848e2980 [ 1339.462381][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.462527][ T32] r10:61c88647 r9:8464ec00 r8:848e29ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.462613][ T32] r4:848e2980 [ 1339.462684][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.462783][ T32] r10:00000000 r9:848e2980 r8:80287e08 r7:eb351e60 r6:8469b600 r5:8464ec00 [ 1339.462832][ T32] r4:00000001 [ 1339.462880][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.462961][ T32] Exception stack(0xeb355fb0 to 0xeb355ff8) [ 1339.463024][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1339.463088][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.463143][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.463267][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.463323][ T32] r4:8550ce00 [ 1339.464075][ T32] INFO: task kworker/1:707:4792 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.464171][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.464315][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.464421][ T32] Call trace: [ 1339.464485][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.464647][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.464707][ T32] r4:00000000 [ 1339.464750][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.464839][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.464904][ T32] dd20: 909fd000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.464975][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.465066][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.465127][ T32] r5:800d0013 r4:80239bb0 [ 1339.465170][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.465260][ T32] r4:82ac21e4 [ 1339.465333][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.465437][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.465493][ T32] r4:e044ddc0 [ 1339.465542][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.465646][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.465701][ T32] r4:00000000 [ 1339.465778][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.465883][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.465968][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.466062][ T32] r5:00001000 r4:ed353000 [ 1339.466104][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.466210][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.466304][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.466353][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.466459][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.466509][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.466642][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.466736][ T32] r4:84ab5800 [ 1339.466798][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.466898][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.466982][ T32] r4:00000001 [ 1339.467033][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.467138][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.467200][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.467260][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.467393][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.467462][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.467516][ T32] r4:84ab0640 [ 1339.467559][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.467659][ T32] INFO: task kworker/1:708:4794 blocked for more than 465 seconds. [ 1339.467747][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.467830][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.467980][ T32] task:kworker/1:708 state:D stack:0 pid:4794 tgid:4794 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.468085][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.468178][ T32] Call trace: [ 1339.468263][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.468386][ T32] r10:8291a684 r9:eb359d84 r8:00000002 r7:60000013 r6:eb359d8c r5:8464e000 [ 1339.468465][ T32] r4:8464e000 [ 1339.468550][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.468663][ T32] r5:8464e000 r4:8291a680 [ 1339.468715][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.468812][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.468899][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb359e08 [ 1339.468953][ T32] r4:00000000 [ 1339.468994][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.469100][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.469190][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.469280][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8550c700 [ 1339.469404][ T32] r4:00000000 [ 1339.493352][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.493636][ T32] r9:83018205 r8:8464e000 r7:00000000 r6:83018200 r5:00001000 r4:7f087000 [ 1339.493739][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.493846][ T32] r5:00001000 r4:ead6f000 [ 1339.493902][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.494049][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.494146][ T32] r5:85501f8c r4:85501c00 [ 1339.494198][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.494298][ T32] r7:ddde2d80 r6:83018200 r5:85501f8c r4:848e2a00 [ 1339.494340][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.494442][ T32] r10:61c88647 r9:8464e000 r8:848e2a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.494515][ T32] r4:848e2a00 [ 1339.494569][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.494672][ T32] r10:00000000 r9:848e2a00 r8:80287e08 r7:eb355e60 r6:8469b680 r5:8464e000 [ 1339.494717][ T32] r4:00000001 [ 1339.494766][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.494846][ T32] Exception stack(0xeb359fb0 to 0xeb359ff8) [ 1339.494905][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.494970][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.495028][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.495090][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.495142][ T32] r4:8550ce00 [ 1339.495834][ T32] INFO: task kworker/1:708:4794 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.495914][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.496095][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.496269][ T32] Call trace: [ 1339.496401][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.496544][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.496645][ T32] r4:00000000 [ 1339.496704][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.496795][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.496881][ T32] dd20: 90cf9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.496975][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.497042][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.497089][ T32] r5:800d0013 r4:80239bb0 [ 1339.497143][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.497228][ T32] r4:82ac21e4 [ 1339.497275][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.497368][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.497446][ T32] r4:e044ddc0 [ 1339.497508][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.497592][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.497649][ T32] r4:00000000 [ 1339.497694][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.497817][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.497870][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.497964][ T32] r5:00001000 r4:ed353000 [ 1339.498004][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.498153][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.498246][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.498319][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.498427][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.498511][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.498648][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.498706][ T32] r4:84ab5800 [ 1339.498784][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.498886][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1339.499181][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1339.522857][ T32] INFO: task kworker/1:709:4796 blocked for more than 465 seconds. [ 1339.522930][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.522983][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.523033][ T32] task:kworker/1:709 state:D stack:0 pid:4796 tgid:4796 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.523157][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.523283][ T32] Call trace: [ 1339.523388][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.523505][ T32] r10:8291a684 r9:eb34dd84 r8:00000002 r7:60000113 r6:eb34dd8c r5:8548b000 [ 1339.523638][ T32] r4:8548b000 [ 1339.523701][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.523830][ T32] r5:8548b000 r4:8291a680 [ 1339.523979][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.524073][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.524173][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb34de08 [ 1339.524262][ T32] r4:00000000 [ 1339.524313][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.524460][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.524594][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.524733][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84292040 [ 1339.524792][ T32] r4:00000000 [ 1339.524851][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.524954][ T32] r9:83018205 r8:8548b000 r7:00000000 r6:83018200 r5:00001000 r4:7f089000 [ 1339.525055][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.525166][ T32] r5:00001000 r4:eadaf000 [ 1339.525254][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.525345][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.525438][ T32] r5:8550238c r4:85502000 [ 1339.525484][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.525583][ T32] r7:ddde2d80 r6:83018200 r5:8550238c r4:848e2a80 [ 1339.525640][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.525740][ T32] r10:61c88647 r9:8548b000 r8:848e2aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.525787][ T32] r4:848e2a80 [ 1339.525834][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.525933][ T32] r10:00000000 r9:848e2a80 r8:80287e08 r7:eb355e60 r6:848e2b00 r5:8548b000 [ 1339.526000][ T32] r4:00000001 [ 1339.526065][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.526166][ T32] Exception stack(0xeb34dfb0 to 0xeb34dff8) [ 1339.526232][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.526331][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.526399][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.526477][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.526535][ T32] r4:84292080 [ 1339.527218][ T32] INFO: task kworker/1:709:4796 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.527287][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.527456][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.527577][ T32] Call trace: [ 1339.527718][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.527853][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.527963][ T32] r4:00000000 [ 1339.528040][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.528128][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.528316][ T32] dd20: 91016000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.528386][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.528441][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.528491][ T32] r5:800d0013 r4:80239bb0 [ 1339.528570][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.528666][ T32] r4:82ac21e4 [ 1339.528739][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.528829][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.528883][ T32] r4:e044ddc0 [ 1339.528940][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.529031][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.529091][ T32] r4:00000000 [ 1339.529132][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.529225][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.548414][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.548754][ T32] r5:00001000 r4:ed353000 [ 1339.548848][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.548947][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.549042][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.549113][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.549222][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.549372][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.555849][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.556080][ T32] r4:84ab5800 [ 1339.556137][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.556292][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.556417][ T32] r4:00000001 [ 1339.556551][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.556648][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.556716][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.556860][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.556924][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.557016][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.557074][ T32] r4:84ab0640 [ 1339.557123][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.557217][ T32] INFO: task kworker/1:710:4799 blocked for more than 465 seconds. [ 1339.557360][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.557427][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.557508][ T32] task:kworker/1:710 state:D stack:0 pid:4799 tgid:4799 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.557629][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.557775][ T32] Call trace: [ 1339.557976][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.558107][ T32] r10:8291a684 r9:eb35dd84 r8:00000002 r7:60000013 r6:eb35dd8c r5:8548bc00 [ 1339.558161][ T32] r4:8548bc00 [ 1339.558209][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.558326][ T32] r5:8548bc00 r4:8291a680 [ 1339.558379][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.558466][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.558568][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb35de08 [ 1339.558616][ T32] r4:00000000 [ 1339.558690][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.558773][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.558856][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.558942][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84292740 [ 1339.558993][ T32] r4:00000000 [ 1339.559036][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.559194][ T32] r9:83018205 r8:8548bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1339.569969][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.570191][ T32] r5:00001000 r4:eb185000 [ 1339.570245][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.570343][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.570439][ T32] r5:8550338c r4:85503000 [ 1339.570478][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.570581][ T32] r7:ddde2d80 r6:83018200 r5:8550338c r4:848e2b80 [ 1339.570645][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.570754][ T32] r10:61c88647 r9:8548bc00 r8:848e2bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.570839][ T32] r4:848e2b80 [ 1339.570902][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.571086][ T32] r10:00000000 r9:848e2b80 r8:80287e08 r7:eb355e60 r6:848e2c00 r5:8548bc00 [ 1339.571144][ T32] r4:00000001 [ 1339.571194][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.571279][ T32] Exception stack(0xeb35dfb0 to 0xeb35dff8) [ 1339.571392][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.571468][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.571530][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.571610][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.571707][ T32] r4:84292180 [ 1339.572430][ T32] INFO: task kworker/1:710:4799 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.572545][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.572732][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.572837][ T32] Call trace: [ 1339.572975][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.573125][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.573181][ T32] r4:00000000 [ 1339.573230][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.573411][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.573481][ T32] dd20: 91646000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.573737][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.573946][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.574073][ T32] r5:800d0013 r4:80239bb0 [ 1339.574190][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.574301][ T32] r4:82ac21e4 [ 1339.574351][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.574454][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.574507][ T32] r4:e044ddc0 [ 1339.574614][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.574750][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.574867][ T32] r4:00000000 [ 1339.574978][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.575080][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.575135][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.575246][ T32] r5:00001000 r4:ed353000 [ 1339.575290][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.575382][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.575481][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.575531][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.575719][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.575776][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.575901][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.575959][ T32] r4:84ab5800 [ 1339.576029][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.576133][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.576292][ T32] r4:00000001 [ 1339.576389][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.576477][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.576583][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.576730][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.576794][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.576882][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.576953][ T32] r4:84ab0640 [ 1339.576999][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.577110][ T32] INFO: task kworker/1:711:4800 blocked for more than 465 seconds. [ 1339.577278][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.577393][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.577456][ T32] task:kworker/1:711 state:D stack:0 pid:4800 tgid:4800 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.577578][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.577728][ T32] Call trace: [ 1339.577890][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.578060][ T32] r10:8291a684 r9:eb349d84 r8:00000002 r7:60000113 r6:eb349d8c r5:8548c800 [ 1339.578178][ T32] r4:8548c800 [ 1339.578414][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.578608][ T32] r5:8548c800 r4:8291a680 [ 1339.578665][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.578755][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.578844][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb349e08 [ 1339.579073][ T32] r4:00000000 [ 1339.579126][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.579353][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.604890][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.605086][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84292480 [ 1339.605196][ T32] r4:00000000 [ 1339.605287][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.605394][ T32] r9:83018205 r8:8548c800 r7:00000000 r6:83018200 r5:00001000 r4:7f08d000 [ 1339.605459][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.605590][ T32] r5:00001000 r4:eae01000 [ 1339.605663][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.605748][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.605894][ T32] r5:85502b8c r4:85502800 [ 1339.605945][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.606072][ T32] r7:ddde2d80 r6:83018200 r5:85502b8c r4:848e2c80 [ 1339.606127][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.606228][ T32] r10:61c88647 r9:8548c800 r8:848e2cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.606274][ T32] r4:848e2c80 [ 1339.606391][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.606575][ T32] r10:00000000 r9:848e2c80 r8:80287e08 r7:eb35de60 r6:848e2d00 r5:8548c800 [ 1339.606636][ T32] r4:00000001 [ 1339.606679][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.606773][ T32] Exception stack(0xeb349fb0 to 0xeb349ff8) [ 1339.606843][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.606931][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.606992][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.607053][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.607102][ T32] r4:84292340 [ 1339.607773][ T32] INFO: task kworker/1:711:4800 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.607866][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.608043][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.608141][ T32] Call trace: [ 1339.608226][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.608344][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.608398][ T32] r4:00000000 [ 1339.608444][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.608568][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.608644][ T32] dd20: 9179c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.608701][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.608817][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.608873][ T32] r5:800d0013 r4:80239bb0 [ 1339.608946][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.609043][ T32] r4:82ac21e4 [ 1339.609087][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.609178][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.609284][ T32] r4:e044ddc0 [ 1339.627576][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.627832][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.627907][ T32] r4:00000000 [ 1339.627977][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.628078][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.628152][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.628249][ T32] r5:00001000 r4:ed353000 [ 1339.628302][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.628387][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.628474][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.628556][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.628665][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.628710][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.628808][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.628897][ T32] r4:84ab5800 [ 1339.628942][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.629039][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.629120][ T32] r4:00000001 [ 1339.629201][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.643717][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.644179][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.644300][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.644364][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.644544][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.644661][ T32] r4:84ab0640 [ 1339.644720][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.644784][ T32] INFO: task kworker/1:712:4803 blocked for more than 466 seconds. [ 1339.644850][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.644908][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.644958][ T32] task:kworker/1:712 state:D stack:0 pid:4803 tgid:4803 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.645161][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.645281][ T32] Call trace: [ 1339.645346][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.645458][ T32] r10:8291a684 r9:eb365d84 r8:00000002 r7:60000113 r6:eb365d8c r5:8548d400 [ 1339.645514][ T32] r4:8548d400 [ 1339.645553][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.645660][ T32] r5:8548d400 r4:8291a680 [ 1339.645744][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.645834][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.645918][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb365e08 [ 1339.645993][ T32] r4:00000000 [ 1339.646130][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.646207][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.646303][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.646421][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84292640 [ 1339.646488][ T32] r4:00000000 [ 1339.646547][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.646654][ T32] r9:83018205 r8:8548d400 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1339.646706][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.646813][ T32] r5:00001000 r4:eb02f000 [ 1339.646918][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.647011][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.647100][ T32] r5:85502f8c r4:85502c00 [ 1339.647141][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.647255][ T32] r7:ddde2d80 r6:83018200 r5:85502f8c r4:848e2d80 [ 1339.647308][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.647411][ T32] r10:61c88647 r9:8548d400 r8:848e2dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.647496][ T32] r4:848e2d80 [ 1339.647575][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.647678][ T32] r10:00000000 r9:848e2d80 r8:80287e08 r7:eb35de60 r6:848e2e00 r5:8548d400 [ 1339.647756][ T32] r4:00000001 [ 1339.647804][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.647873][ T32] Exception stack(0xeb365fb0 to 0xeb365ff8) [ 1339.647934][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1339.648008][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.648238][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.648363][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.648420][ T32] r4:842924c0 [ 1339.649244][ T32] INFO: task kworker/1:712:4803 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.663533][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.663848][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.663996][ T32] Call trace: [ 1339.664069][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.664190][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.664265][ T32] r4:00000000 [ 1339.664321][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.664418][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.664481][ T32] dd20: 91c92000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.664670][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.664795][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.664880][ T32] r5:800d0013 r4:80239bb0 [ 1339.664940][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.665046][ T32] r4:82ac21e4 [ 1339.665101][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 1 printk messages dropped ** [ 1339.665235][ T32] r4:e044ddc0 ** 2 printk messages dropped ** [ 1339.665455][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1339.665628][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 6 printk messages dropped ** [ 1339.666205][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.666254][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.666397][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.666448][ T32] r4:84ab5800 [ 1339.666493][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.666582][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.666690][ T32] r4:00000001 [ 1339.666739][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.666872][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.667000][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.667186][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.667263][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.667326][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.667398][ T32] r4:84ab0640 [ 1339.667506][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.667588][ T32] INFO: task kworker/1:713:4805 blocked for more than 466 seconds. [ 1339.667670][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.667750][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.667815][ T32] task:kworker/1:713 state:D stack:0 pid:4805 tgid:4805 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.667889][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.667994][ T32] Call trace: [ 1339.668086][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.668202][ T32] r10:8291a684 r9:eb36dd84 r8:00000002 r7:60000013 r6:eb36dd8c r5:8548e000 [ 1339.668289][ T32] r4:8548e000 [ 1339.668340][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.668455][ T32] r5:8548e000 r4:8291a680 [ 1339.668538][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.668620][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.668717][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb36de08 [ 1339.668766][ T32] r4:00000000 [ 1339.668808][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.668883][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.668952][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.669030][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:842928c0 [ 1339.669101][ T32] r4:00000000 [ 1339.669144][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.669234][ T32] r9:83018205 r8:8548e000 r7:00000000 r6:83018200 r5:00001000 r4:7f093000 [ 1339.669346][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.687768][ T32] r5:00001000 r4:eb193000 [ 1339.687846][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.687972][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.688079][ T32] r5:8550378c r4:85503400 [ 1339.688139][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.688233][ T32] r7:ddde2d80 r6:83018200 r5:8550378c r4:848e2e80 [ 1339.688302][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.688412][ T32] r10:61c88647 r9:8548e000 r8:848e2eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.688467][ T32] r4:848e2e80 [ 1339.688531][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.688628][ T32] r10:00000000 r9:848e2e80 r8:80287e08 r7:eb35de60 r6:848e2f00 r5:8548e000 [ 1339.688700][ T32] r4:00000001 [ 1339.688769][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.688849][ T32] Exception stack(0xeb36dfb0 to 0xeb36dff8) [ 1339.688946][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.689010][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.689080][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.689141][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.689191][ T32] r4:84292540 [ 1339.700495][ T32] INFO: task kworker/1:713:4805 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.700647][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.700870][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.701006][ T32] Call trace: [ 1339.701141][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.701257][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.701316][ T32] r4:00000000 [ 1339.701359][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.701495][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.701560][ T32] dd20: 920f0000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.701621][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.701679][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.701731][ T32] r5:800d0013 r4:80239bb0 [ 1339.701797][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.701940][ T32] r4:82ac21e4 [ 1339.701995][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.702084][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.702134][ T32] r4:e044ddc0 [ 1339.702175][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.702262][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.702310][ T32] r4:00000000 [ 1339.702355][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.702454][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.702522][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.702642][ T32] r5:00001000 r4:ed353000 [ 1339.702692][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.702776][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.702907][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.702969][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.703069][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.703126][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.703221][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.703271][ T32] r4:84ab5800 [ 1339.703312][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.703502][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.703568][ T32] r4:00000001 [ 1339.703657][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.703756][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.703844][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.703907][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.703985][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.704045][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.704092][ T32] r4:84ab0640 [ 1339.704132][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.704210][ T32] INFO: task kworker/1:714:4807 blocked for more than 466 seconds. [ 1339.704280][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.704331][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.704395][ T32] task:kworker/1:714 state:D stack:0 pid:4807 tgid:4807 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.704539][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.704690][ T32] Call trace: [ 1339.704779][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.704876][ T32] r10:8291a684 r9:eb371d84 r8:00000002 r7:60000013 r6:eb371d8c r5:8548ec00 [ 1339.704928][ T32] r4:8548ec00 [ 1339.704989][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.705091][ T32] r5:8548ec00 r4:8291a680 [ 1339.705142][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.705223][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.705305][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb371e08 [ 1339.705352][ T32] r4:00000000 [ 1339.705396][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.705508][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.705584][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1339.705809][ T32] r4:00000000 [ 1339.705865][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.705962][ T32] r9:83018205 r8:8548ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 [ 1339.706013][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.706099][ T32] r5:00001000 r4:eb1a7000 [ 1339.706168][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.706254][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.706360][ T32] r5:85503b8c r4:85503800 [ 1339.706485][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.706604][ T32] r7:ddde2d80 r6:83018200 r5:85503b8c r4:848e2f80 [ 1339.706658][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.706785][ T32] r10:61c88647 r9:8548ec00 r8:848e2fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.706840][ T32] r4:848e2f80 [ 1339.706886][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.707062][ T32] r10:00000000 r9:848e2f80 r8:80287e08 r7:eb36de60 r6:84af0000 r5:8548ec00 [ 1339.707262][ T32] r4:00000001 [ 1339.707440][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.707558][ T32] Exception stack(0xeb371fb0 to 0xeb371ff8) [ 1339.707635][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1339.707700][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.707753][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.707816][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.707927][ T32] r4:842926c0 [ 1339.708344][ T32] INFO: task kworker/1:714:4807 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.708419][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.708593][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.708695][ T32] Call trace: [ 1339.708846][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.708950][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.709007][ T32] r4:00000000 [ 1339.709358][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.731156][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.731274][ T32] dd20: 92436000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.731340][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.731403][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.731460][ T32] r5:800d0013 r4:80239bb0 [ 1339.731759][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.731895][ T32] r4:82ac21e4 [ 1339.731939][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.732035][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.732080][ T32] r4:e044ddc0 [ 1339.732255][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.732369][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.732432][ T32] r4:00000000 [ 1339.732483][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.732634][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.732687][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.732857][ T32] r5:00001000 r4:ed353000 [ 1339.732908][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.733020][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.733143][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.733190][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.733325][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.733421][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.733523][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.733670][ T32] r4:84ab5800 [ 1339.733770][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.733891][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.733944][ T32] r4:00000001 [ 1339.733985][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.734065][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.734124][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.734179][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.734240][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.734348][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.734423][ T32] r4:84ab0640 [ 1339.734470][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.734539][ T32] INFO: task kworker/1:715:4809 blocked for more than 466 seconds. [ 1339.734608][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.734668][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.734722][ T32] task:kworker/1:715 state:D stack:0 pid:4809 tgid:4809 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.734842][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1339.735151][ T32] r10:8291a684 r9:eb375d84 r8:00000002 r7:60000013 r6:eb375d8c r5:8548a400 ** 5 printk messages dropped ** [ 1339.735575][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb375e08 ** 4 printk messages dropped ** [ 1339.735978][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84292b40 ** 4 printk messages dropped ** [ 1339.736300][ T32] r5:00001000 r4:eb1bf000 ** 2 printk messages dropped ** [ 1339.736706][ T32] r5:85503f8c r4:85503c00 [ 1339.736765][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.736861][ T32] r7:ddde2d80 r6:83018200 r5:85503f8c r4:84af0100 [ 1339.736918][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.737014][ T32] r10:61c88647 r9:8548a400 r8:84af012c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.737063][ T32] r4:84af0100 [ 1339.737109][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.737204][ T32] r10:00000000 r9:84af0100 r8:80287e08 r7:eb371e60 r6:84af0180 r5:8548a400 [ 1339.737250][ T32] r4:00000001 [ 1339.737297][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.737414][ T32] Exception stack(0xeb375fb0 to 0xeb375ff8) [ 1339.737473][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1339.737535][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.737588][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.737672][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.737741][ T32] r4:84292840 [ 1339.738447][ T32] INFO: task kworker/1:715:4809 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.738527][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.738664][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.738762][ T32] Call trace: [ 1339.738934][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.739062][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.739121][ T32] r4:00000000 [ 1339.739161][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.771273][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.771476][ T32] dd20: 92b79000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.771556][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.771630][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.771724][ T32] r5:800d0013 r4:80239bb0 [ 1339.771780][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.771917][ T32] r4:82ac21e4 [ 1339.771971][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.772070][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.772120][ T32] r4:e044ddc0 [ 1339.772172][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.772257][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.772305][ T32] r4:00000000 [ 1339.772351][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.772462][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.772570][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.772693][ T32] r5:00001000 r4:ed353000 [ 1339.772745][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.772832][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.772923][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.772983][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.773081][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.773157][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.773262][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.773313][ T32] r4:84ab5800 [ 1339.773387][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.773489][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.773537][ T32] r4:00000001 [ 1339.773586][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.773673][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.773739][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.773833][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.773899][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.773959][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.774011][ T32] r4:84ab0640 [ 1339.774067][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.774139][ T32] INFO: task kworker/1:716:4811 blocked for more than 466 seconds. [ 1339.774215][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.774264][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.774317][ T32] task:kworker/1:716 state:D stack:0 pid:4811 tgid:4811 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.774585][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.774691][ T32] Call trace: [ 1339.774793][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.774903][ T32] r10:8291a684 r9:eb379d84 r8:00000002 r7:60000113 r6:eb379d8c r5:85488c00 [ 1339.774992][ T32] r4:85488c00 [ 1339.775038][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 2 printk messages dropped ** [ 1339.775308][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1339.775705][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1339.776245][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1339.776525][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.776622][ T32] r5:8551878c r4:85518400 [ 1339.776679][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1339.777092][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1339.777379][ T32] r10:00000000 r9:84af0080 r8:80287e08 r7:eb375e60 r6:84af0200 r5:85488c00 ** 4 printk messages dropped ** [ 1339.777955][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1339.778987][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 5 printk messages dropped ** [ 1339.805136][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.805276][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.805397][ T32] dd20: 92f93000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.805466][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.805597][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.805662][ T32] r5:800d0013 r4:80239bb0 [ 1339.805713][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.805830][ T32] r4:82ac21e4 [ 1339.805955][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.806115][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.806246][ T32] r4:e044ddc0 [ 1339.806345][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.806444][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.806497][ T32] r4:00000000 [ 1339.806565][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.806674][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.806727][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.806821][ T32] r5:00001000 r4:ed353000 [ 1339.806879][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.807045][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.807144][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.807195][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.807322][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.807384][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.807515][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.807569][ T32] r4:84ab5800 [ 1339.807610][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.807747][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.807813][ T32] r4:00000001 [ 1339.807864][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.807970][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.808058][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.808171][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.808237][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.808298][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.808348][ T32] r4:84ab0640 [ 1339.808398][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.808463][ T32] INFO: task kworker/1:717:4813 blocked for more than 466 seconds. [ 1339.808586][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.808666][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.808763][ T32] task:kworker/1:717 state:D stack:0 pid:4813 tgid:4813 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.808911][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.809008][ T32] Call trace: [ 1339.809087][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.809186][ T32] r10:8291a684 r9:eb37dd84 r8:00000002 r7:60000013 r6:eb37dd8c r5:85481800 [ 1339.821070][ T32] r4:85481800 [ 1339.821211][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.821350][ T32] r5:85481800 r4:8291a680 [ 1339.821414][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.821506][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.821624][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb37de08 [ 1339.821693][ T32] r4:00000000 [ 1339.821734][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.821811][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.821911][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.822021][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84292d80 [ 1339.822217][ T32] r4:00000000 [ 1339.822339][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.822474][ T32] r9:83018205 r8:85481800 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1339.822587][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.822827][ T32] r5:00001000 r4:eb1d7000 [ 1339.823037][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.823126][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.823223][ T32] r5:8551838c r4:85518000 [ 1339.823265][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.823365][ T32] r7:ddde2d80 r6:83018200 r5:8551838c r4:84af0280 [ 1339.823423][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.823553][ T32] r10:61c88647 r9:85481800 r8:84af02ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.823778][ T32] r4:84af0280 [ 1339.823883][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.824009][ T32] r10:00000000 r9:84af0280 r8:80287e08 r7:eb379e60 r6:84af0300 r5:85481800 [ 1339.824064][ T32] r4:00000001 [ 1339.824221][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.824316][ T32] Exception stack(0xeb37dfb0 to 0xeb37dff8) [ 1339.824391][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.824453][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.824540][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.824755][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.824984][ T32] r4:842929c0 [ 1339.825674][ T32] INFO: task kworker/1:717:4813 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.825753][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.825935][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.826049][ T32] Call trace: [ 1339.826188][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.826320][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.826386][ T32] r4:00000000 [ 1339.826435][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.826520][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.826581][ T32] dd20: 92f93000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.826646][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.826700][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.826752][ T32] r5:800d0013 r4:80239bb0 [ 1339.826804][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.826892][ T32] r4:82ac21e4 [ 1339.826940][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.827099][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.827158][ T32] r4:e044ddc0 [ 1339.827198][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.827288][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.827343][ T32] r4:00000000 [ 1339.827385][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.827486][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.827563][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.827671][ T32] r5:00001000 r4:ed353000 [ 1339.827716][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.827802][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.827893][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.827944][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.828042][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.828090][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.828214][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.828268][ T32] r4:84ab5800 [ 1339.828311][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.828418][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.828485][ T32] r4:00000001 [ 1339.828583][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.828679][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.828769][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.828832][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.829030][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.829110][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.829160][ T32] r4:84ab0640 [ 1339.829220][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.850025][ T32] INFO: task kworker/1:718:4815 blocked for more than 466 seconds. [ 1339.850141][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.850173][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.850199][ T32] task:kworker/1:718 state:D stack:0 pid:4815 tgid:4815 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.850307][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.850453][ T32] Call trace: [ 1339.850556][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.850704][ T32] r10:8291a684 r9:eb389d84 r8:00000002 r7:60000113 r6:eb389d8c r5:85446c00 [ 1339.850765][ T32] r4:85446c00 [ 1339.850816][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.850996][ T32] r5:85446c00 r4:8291a680 [ 1339.851067][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.851157][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.851247][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb389e08 [ 1339.851414][ T32] r4:00000000 [ 1339.851617][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.851702][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.851792][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.851878][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8550cf40 [ 1339.852073][ T32] r4:00000000 [ 1339.852125][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.852225][ T32] r9:83018205 r8:85446c00 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1339.852291][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.852635][ T32] r5:00001000 r4:eb25d000 [ 1339.852692][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.852945][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.853149][ T32] r5:85518b8c r4:85518800 [ 1339.853203][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.853486][ T32] r7:ddde2d80 r6:83018200 r5:85518b8c r4:84af0380 [ 1339.853541][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.853656][ T32] r10:61c88647 r9:85446c00 r8:84af03ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.853736][ T32] r4:84af0380 [ 1339.853787][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.853884][ T32] r10:00000000 r9:84af0380 r8:80287e08 r7:eb379e60 r6:8469b700 r5:85446c00 [ 1339.853960][ T32] r4:00000001 [ 1339.854008][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.854090][ T32] Exception stack(0xeb389fb0 to 0xeb389ff8) [ 1339.854175][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.854292][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.854378][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.854592][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.854657][ T32] r4:84292e80 [ 1339.855400][ T32] INFO: task kworker/1:718:4815 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.855477][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.855619][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.855852][ T32] Call trace: [ 1339.856026][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.856132][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.856177][ T32] r4:00000000 [ 1339.856413][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.856498][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.856592][ T32] dd20: 933ef000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.856655][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.856709][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.856758][ T32] r5:800d0013 r4:80239bb0 [ 1339.856877][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.856965][ T32] r4:82ac21e4 [ 1339.857096][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.857297][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.857353][ T32] r4:e044ddc0 [ 1339.857396][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.857563][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.857679][ T32] r4:00000000 [ 1339.857730][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.858022][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.858074][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.858215][ T32] r5:00001000 r4:ed353000 [ 1339.858264][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.858374][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.858466][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.858510][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.858608][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.858658][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.858767][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.858894][ T32] r4:84ab5800 [ 1339.859016][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.859118][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.859299][ T32] r4:00000001 [ 1339.900091][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.900236][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.900349][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.900447][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.900559][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.900695][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.900824][ T32] r4:84ab0640 [ 1339.901136][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.901210][ T32] INFO: task kworker/1:719:4816 blocked for more than 466 seconds. [ 1339.901357][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.901473][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.901527][ T32] task:kworker/1:719 state:D stack:0 pid:4816 tgid:4816 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.901721][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.901868][ T32] Call trace: [ 1339.902097][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.902205][ T32] r10:8291a684 r9:eb38dd84 r8:00000002 r7:60000113 r6:eb38dd8c r5:84649800 [ 1339.902258][ T32] r4:84649800 [ 1339.902308][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.902404][ T32] r5:84649800 r4:8291a680 [ 1339.902494][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.902611][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.902856][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb38de08 [ 1339.902967][ T32] r4:00000000 [ 1339.903088][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.903167][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.903251][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.903447][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84afb040 [ 1339.903572][ T32] r4:00000000 [ 1339.903621][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.903725][ T32] r9:83018205 r8:84649800 r7:00000000 r6:83018200 r5:00001000 r4:7f09f000 [ 1339.903929][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.904020][ T32] r5:00001000 r4:eb397000 [ 1339.904072][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.904150][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.904287][ T32] r5:85518f8c r4:85518c00 [ 1339.904422][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.904556][ T32] r7:ddde2d80 r6:83018200 r5:85518f8c r4:84af0400 [ 1339.904610][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.904758][ T32] r10:61c88647 r9:84649800 r8:84af042c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.904812][ T32] r4:84af0400 [ 1339.904856][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.904946][ T32] r10:00000000 r9:84af0400 r8:80287e08 r7:eb389e60 r6:8469b780 r5:84649800 [ 1339.905029][ T32] r4:00000001 [ 1339.905081][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.905267][ T32] Exception stack(0xeb38dfb0 to 0xeb38dff8) [ 1339.905482][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.905548][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.905652][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.905723][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.905768][ T32] r4:8550cc00 [ 1339.906421][ T32] INFO: task kworker/1:719:4816 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.906525][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.906679][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.906771][ T32] Call trace: [ 1339.906906][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1339.907017][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1339.907064][ T32] r4:00000000 [ 1339.907107][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.907185][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1339.907250][ T32] dd20: 94100000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1339.907305][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1339.907442][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1339.907496][ T32] r5:800d0013 r4:80239bb0 [ 1339.907549][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.907644][ T32] r4:82ac21e4 [ 1339.907693][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.907780][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1339.907824][ T32] r4:e044ddc0 [ 1339.907927][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.908044][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1339.908111][ T32] r4:00000000 [ 1339.908157][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.908278][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1339.908348][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.908441][ T32] r5:00001000 r4:ed353000 [ 1339.908497][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.908681][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.908793][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.908842][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.908935][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.909184][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.924777][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.924893][ T32] r4:84ab5800 [ 1339.924946][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.925076][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.925123][ T32] r4:00000001 [ 1339.925253][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.925333][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.925395][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.925450][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.925508][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.925592][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.925650][ T32] r4:84ab0640 [ 1339.925717][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.925834][ T32] INFO: task kworker/1:720:4818 blocked for more than 466 seconds. [ 1339.925950][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.926006][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.926047][ T32] task:kworker/1:720 state:D stack:0 pid:4818 tgid:4818 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.926157][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.926417][ T32] Call trace: [ 1339.926537][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.926642][ T32] r10:8291a684 r9:eb395d84 r8:00000002 r7:60000113 r6:eb395d8c r5:85458c00 [ 1339.926692][ T32] r4:85458c00 [ 1339.926747][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.926832][ T32] r5:85458c00 r4:8291a680 [ 1339.926883][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.926964][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.927051][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb395e08 [ 1339.927206][ T32] r4:00000000 [ 1339.927299][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 6 printk messages dropped ** [ 1339.928276][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1339.928605][ T32] r5:8551938c r4:85519000 ** 4 printk messages dropped ** [ 1339.928995][ T32] r4:84af0480 ** 4 printk messages dropped ** [ 1339.943430][ T32] Exception stack(0xeb395fb0 to 0xeb395ff8) ** 6 printk messages dropped ** [ 1339.944669][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1339.945543][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1339.946108][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 4 printk messages dropped ** [ 1339.946474][ T32] r5:00001000 r4:ed353000 [ 1339.946519][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.946597][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.946684][ T32] r5:85c0ff8c r4:85c0fc00 [ 1339.946735][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.946918][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1339.946997][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.947102][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.947180][ T32] r4:84ab5800 [ 1339.947256][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.947347][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1339.947403][ T32] r4:00000001 [ 1339.947477][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.947562][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1339.947680][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.947747][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.947832][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.947896][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.947943][ T32] r4:84ab0640 [ 1339.948013][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.948096][ T32] INFO: task kworker/1:721:4820 blocked for more than 466 seconds. [ 1339.948165][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1339.948215][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.948259][ T32] task:kworker/1:721 state:D stack:0 pid:4820 tgid:4820 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.948348][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.948473][ T32] Call trace: [ 1339.948568][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1339.948680][ T32] r10:8291a684 r9:eb3a5d84 r8:00000002 r7:60000113 r6:eb3a5d8c r5:85458000 [ 1339.948736][ T32] r4:85458000 [ 1339.948780][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1339.948861][ T32] r5:85458000 r4:8291a680 [ 1339.948933][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.949078][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.949213][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb3a5e08 [ 1339.949309][ T32] r4:00000000 [ 1339.970239][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1339.970332][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1339.970379][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1339.970514][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84afb580 [ 1339.970573][ T32] r4:00000000 [ 1339.970636][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1339.970716][ T32] r9:83018205 r8:85458000 r7:00000000 r6:83018200 r5:00001000 r4:7f0bd000 [ 1339.970774][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1339.970852][ T32] r5:00001000 r4:eb3bb000 [ 1339.970896][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1339.970978][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.971106][ T32] r5:85519b8c r4:85519800 [ 1339.971152][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1339.971314][ T32] r7:ddde2d80 r6:83018200 r5:85519b8c r4:84af0500 [ 1339.971433][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1339.971573][ T32] r10:61c88647 r9:85458000 r8:84af052c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.971629][ T32] r4:84af0500 [ 1339.971677][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1339.971770][ T32] r10:00000000 r9:84af0500 r8:80287e08 r7:eb395e60 r6:8469b880 r5:85458000 [ 1339.971840][ T32] r4:00000001 [ 1339.971890][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.971990][ T32] Exception stack(0xeb3a5fb0 to 0xeb3a5ff8) [ 1339.972107][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1339.972170][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.972233][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.972293][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1339.972369][ T32] r4:84afb080 [ 1339.973124][ T32] INFO: task kworker/1:721:4820 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1339.973201][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.973465][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.973589][ T32] Call trace: [ 1339.973703][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 5 printk messages dropped ** [ 1339.974314][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 12 printk messages dropped ** [ 1339.975467][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1339.976478][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1339.977227][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1339.977777][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1339.978536][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1340.003292][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1340.003913][ T32] r7:ddde2d80 r6:83018200 r5:8551978c r4:84af0580 ** 5 printk messages dropped ** [ 1340.004674][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1340.005686][ T32] r4:84afb340 ** 1 printk messages dropped ** [ 1340.006393][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.006578][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.006715][ T32] Call trace: [ 1340.006778][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.006911][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.006997][ T32] r4:00000000 [ 1340.007043][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.007123][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.007179][ T32] dd20: 95090000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.007233][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.007303][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.007373][ T32] r5:800d0013 r4:80239bb0 [ 1340.007495][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.007622][ T32] r4:82ac21e4 [ 1340.007675][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.007854][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.007931][ T32] r4:e044ddc0 [ 1340.007977][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.008088][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.008140][ T32] r4:00000000 [ 1340.008175][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.008299][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.008359][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.008450][ T32] r5:00001000 r4:ed353000 [ 1340.008552][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.008641][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.008722][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.008768][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.008867][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.008913][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.009059][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.009137][ T32] r4:84ab5800 [ 1340.009183][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.027823][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.027921][ T32] r4:00000001 [ 1340.027965][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.028087][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.028151][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.028229][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.028282][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.028342][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.028391][ T32] r4:84ab0640 [ 1340.028442][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.028533][ T32] INFO: task kworker/1:723:4825 blocked for more than 466 seconds. [ 1340.028623][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.028688][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.028732][ T32] task:kworker/1:723 state:D stack:0 pid:4825 tgid:4825 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.028874][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.028969][ T32] Call trace: [ 1340.029071][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.029194][ T32] r10:8291a684 r9:eb3c5d84 r8:00000002 r7:60000113 r6:eb3c5d8c r5:8545b000 [ 1340.044317][ T32] r4:8545b000 [ 1340.044479][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.044644][ T32] r5:8545b000 r4:8291a680 [ 1340.044686][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1340.045074][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1340.045809][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.045922][ T32] r5:8551a38c r4:8551a000 ** 1 printk messages dropped ** [ 1340.046134][ T32] r7:ddde2d80 r6:83018200 r5:8551a38c r4:84af0600 ** 2 printk messages dropped ** [ 1340.046493][ T32] r4:84af0600 [ 1340.046570][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.046670][ T32] r10:00000000 r9:84af0600 r8:80287e08 r7:eb3a5e60 r6:8469b980 r5:8545b000 [ 1340.046723][ T32] r4:00000001 [ 1340.046760][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.046837][ T32] Exception stack(0xeb3c5fb0 to 0xeb3c5ff8) [ 1340.046896][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1340.046951][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.047006][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.047076][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.047124][ T32] r4:84afb340 [ 1340.047789][ T32] INFO: task kworker/1:723:4825 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.047894][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.048113][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.048225][ T32] Call trace: [ 1340.048324][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.048429][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.048489][ T32] r4:00000000 [ 1340.048560][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.048652][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.048751][ T32] dd20: 956b3000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.048845][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.048901][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.048943][ T32] r5:800d0013 r4:80239bb0 [ 1340.049054][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.049140][ T32] r4:82ac21e4 [ 1340.049194][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.049334][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 2 printk messages dropped ** [ 1340.060219][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1340.061044][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1340.061663][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1340.062192][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1340.062888][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1340.063732][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1340.063996][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1340.064491][ T32] r4:84af0680 ** 6 printk messages dropped ** [ 1340.064989][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1340.065106][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.065185][ T32] r4:84afb5c0 [ 1340.065830][ T32] INFO: task kworker/1:724:4826 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.065908][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.066055][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.066196][ T32] Call trace: [ 1340.066291][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.066391][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.066456][ T32] r4:00000000 [ 1340.066499][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.066600][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.066677][ T32] dd20: 956b3000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.066740][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.066802][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.066873][ T32] r5:800d0013 r4:80239bb0 [ 1340.066921][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.067005][ T32] r4:82ac21e4 [ 1340.067048][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.067142][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.067196][ T32] r4:e044ddc0 [ 1340.067240][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.067321][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.067409][ T32] r4:00000000 [ 1340.067465][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.067557][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.067612][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.067700][ T32] r5:00001000 r4:ed353000 [ 1340.067748][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.067822][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.067907][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.067971][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.068069][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.068146][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.068306][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.068362][ T32] r4:84ab5800 [ 1340.068402][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.068491][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.068570][ T32] r4:00000001 [ 1340.068605][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.068683][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.068763][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.068824][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.068880][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.068932][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.068979][ T32] r4:84ab0640 [ 1340.069020][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.069080][ T32] INFO: task kworker/1:725:4830 blocked for more than 466 seconds. [ 1340.069138][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.069212][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.090998][ T32] task:kworker/1:725 state:D stack:0 pid:4830 tgid:4830 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.091210][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.091361][ T32] Call trace: [ 1340.091442][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.091552][ T32] r10:8291a684 r9:eb3a1d84 r8:00000002 r7:60000113 r6:eb3a1d8c r5:8545c800 [ 1340.091636][ T32] r4:8545c800 [ 1340.091712][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.091824][ T32] r5:8545c800 r4:8291a680 [ 1340.091879][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.091958][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.092066][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb3a1e08 [ 1340.092140][ T32] r4:00000000 [ 1340.092212][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.092289][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1340.092386][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.092479][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84afb980 [ 1340.092555][ T32] r4:00000000 [ 1340.092596][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.092692][ T32] r9:83018205 r8:8545c800 r7:00000000 r6:83018200 r5:00001000 r4:7f0c5000 [ 1340.092738][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.092824][ T32] r5:00001000 r4:eb3e3000 [ 1340.092872][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.092951][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.093035][ T32] r5:8551a78c r4:8551a400 [ 1340.093127][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.093227][ T32] r7:ddde2d80 r6:83018200 r5:8551a78c r4:84af0700 [ 1340.093278][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.093371][ T32] r10:61c88647 r9:8545c800 r8:84af072c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.093446][ T32] r4:84af0700 [ 1340.093494][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.093584][ T32] r10:00000000 r9:84af0700 r8:80287e08 r7:eb3c5e60 r6:8469ba80 r5:8545c800 [ 1340.093651][ T32] r4:00000001 [ 1340.093696][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.093807][ T32] Exception stack(0xeb3a1fb0 to 0xeb3a1ff8) [ 1340.093869][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1340.093953][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.094010][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.094091][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.094137][ T32] r4:84afb540 [ 1340.094772][ T32] INFO: task kworker/1:725:4830 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.094876][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.095033][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.095123][ T32] Call trace: [ 1340.095194][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.095291][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.095336][ T32] r4:00000000 [ 1340.095395][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.095477][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.095530][ T32] dd20: 95bc1000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 6 printk messages dropped ** [ 1340.096009][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 12 printk messages dropped ** [ 1340.096962][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 3 printk messages dropped ** [ 1340.097296][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.097391][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.097446][ T32] r4:00000001 [ 1340.097486][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.097560][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.097608][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.097681][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.097778][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.097842][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.097983][ T32] r4:84ab0640 [ 1340.098098][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.098237][ T32] INFO: task kworker/1:726:4832 blocked for more than 466 seconds. [ 1340.098335][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.098406][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.098454][ T32] task:kworker/1:726 state:D stack:0 pid:4832 tgid:4832 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.098545][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.098693][ T32] Call trace: [ 1340.098870][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.098962][ T32] r10:8291a684 r9:eb3edd84 r8:00000002 r7:60000113 r6:eb3edd8c r5:8545d400 [ 1340.099012][ T32] r4:8545d400 [ 1340.099053][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.099137][ T32] r5:8545d400 r4:8291a680 [ 1340.099180][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.099252][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.099461][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb3ede08 [ 1340.126954][ T32] r4:00000000 [ 1340.127038][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.127146][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1340.127226][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.127336][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84afbd40 [ 1340.127390][ T32] r4:00000000 [ 1340.127433][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.127562][ T32] r9:83018205 r8:8545d400 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 [ 1340.127634][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.127727][ T32] r5:00001000 r4:dfb3d000 [ 1340.127783][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.127857][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.127946][ T32] r5:8551b38c r4:8551b000 [ 1340.128007][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.128100][ T32] r7:ddde2d80 r6:83018200 r5:8551b38c r4:84af0780 [ 1340.128149][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.128242][ T32] r10:61c88647 r9:8545d400 r8:84af07ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.128314][ T32] r4:84af0780 [ 1340.128364][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.128458][ T32] r10:00000000 r9:84af0780 r8:80287e08 r7:eb3a1e60 r6:8469bb00 r5:8545d400 [ 1340.128552][ T32] r4:00000001 [ 1340.128635][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.128723][ T32] Exception stack(0xeb3edfb0 to 0xeb3edff8) [ 1340.128824][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.128890][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.128940][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.129013][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.129064][ T32] r4:84afb880 [ 1340.144243][ T32] INFO: task kworker/1:726:4832 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.144436][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.144659][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.144786][ T32] Call trace: [ 1340.144875][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.144983][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.145032][ T32] r4:00000000 [ 1340.145089][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.145176][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.145235][ T32] dd20: 96478000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.145294][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.145343][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.145396][ T32] r5:800d0013 r4:80239bb0 [ 1340.145452][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.145543][ T32] r4:82ac21e4 [ 1340.145621][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.145722][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.145768][ T32] r4:e044ddc0 [ 1340.145812][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.145903][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.145945][ T32] r4:00000000 [ 1340.145989][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.146078][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.146120][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.146207][ T32] r5:00001000 r4:ed353000 [ 1340.146272][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.146354][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.146466][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.146509][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.146601][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.146662][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.146806][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.146863][ T32] r4:84ab5800 [ 1340.146916][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.147015][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.147061][ T32] r4:00000001 [ 1340.147106][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.147172][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.147226][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.147290][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.147350][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.147415][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.147458][ T32] r4:84ab0640 [ 1340.147509][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.147561][ T32] INFO: task kworker/1:727:4834 blocked for more than 466 seconds. [ 1340.147635][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.147689][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1340.147853][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1340.148548][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1340.149182][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1340.160047][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1340.160346][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1340.161120][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1340.162504][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1340.162820][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1340.163359][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1340.164119][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1340.164728][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1340.165027][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1340.165401][ T32] task:kworker/0:128 state:D stack:0 pid:4837 tgid:4837 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1340.166187][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2e5e08 ** 8 printk messages dropped ** [ 1340.166751][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1340.167016][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.167100][ T32] r5:853dc78c r4:853dc400 [ 1340.167142][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.167285][ T32] r7:dddced80 r6:83018000 r5:853dc78c r4:8469bc80 [ 1340.167327][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.167449][ T32] r10:61c88647 r9:85443000 r8:8469bcac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1340.167501][ T32] r4:8469bc80 [ 1340.167535][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.167623][ T32] r10:00000000 r9:8469bc80 r8:80287e08 r7:eb24de60 r6:8469bd00 r5:85443000 [ 1340.167686][ T32] r4:00000001 [ 1340.167723][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.167797][ T32] Exception stack(0xeb2e5fb0 to 0xeb2e5ff8) [ 1340.167871][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1340.167929][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.167995][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.168127][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.168193][ T32] r4:846034c0 [ 1340.168612][ T32] INFO: task kworker/0:128:4837 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.168691][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.168839][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.168926][ T32] Call trace: [ 1340.168993][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.169090][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.169149][ T32] r4:00000000 [ 1340.169189][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.196903][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.197073][ T32] dd20: 96903000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.197139][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.197207][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.197276][ T32] r5:800d0013 r4:80239bb0 [ 1340.197331][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.197445][ T32] r4:82ac21e4 [ 1340.197491][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.197571][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.197620][ T32] r4:e044ddc0 [ 1340.197663][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.197753][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.197801][ T32] r4:00000000 [ 1340.197842][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.197934][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.197977][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.198063][ T32] r5:00001000 r4:ed353000 [ 1340.198111][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.198189][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.198327][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.198379][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.198486][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.198557][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.198660][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.198708][ T32] r4:84ab5800 [ 1340.198747][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.198840][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.198891][ T32] r4:00000001 [ 1340.198952][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.199029][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.199083][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.199136][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.199192][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.213871][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.214028][ T32] r4:84ab0640 [ 1340.214078][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.214160][ T32] INFO: task kworker/0:129:4839 blocked for more than 466 seconds. [ 1340.214242][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.214345][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.214398][ T32] task:kworker/0:129 state:D stack:0 pid:4839 tgid:4839 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.214533][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.214664][ T32] Call trace: [ 1340.214769][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.214873][ T32] r10:8291a684 r9:eb415d84 r8:00000002 r7:60000113 r6:eb415d8c r5:849e8000 [ 1340.214914][ T32] r4:849e8000 [ 1340.214983][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.215090][ T32] r5:849e8000 r4:8291a680 [ 1340.215147][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 2 printk messages dropped ** [ 1340.215408][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1340.215732][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846038c0 ** 6 printk messages dropped ** [ 1340.216188][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.216280][ T32] r5:841da38c r4:841da000 [ 1340.216321][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.216430][ T32] r7:dddced80 r6:83018000 r5:841da38c r4:8469bd80 [ 1340.216524][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.216630][ T32] r10:61c88647 r9:849e8000 r8:8469bdac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1340.216677][ T32] r4:8469bd80 [ 1340.216719][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.216817][ T32] r10:00000000 r9:8469bd80 r8:80287e08 r7:eb2e5e60 r6:8469be00 r5:849e8000 [ 1340.216893][ T32] r4:00000001 [ 1340.216936][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.217009][ T32] Exception stack(0xeb415fb0 to 0xeb415ff8) [ 1340.217081][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1340.217144][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.217201][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.217262][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.217306][ T32] r4:846037c0 [ 1340.217939][ T32] INFO: task kworker/0:129:4839 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.218010][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.218122][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.218266][ T32] Call trace: [ 1340.218388][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.218490][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1340.218955][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1340.230521][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1340.231310][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 6 printk messages dropped ** [ 1340.231790][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1340.232254][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1340.232708][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1340.233241][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 8 printk messages dropped ** [ 1340.233976][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1340.234352][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1340.234773][ T32] r4:84af0880 ** 6 printk messages dropped ** [ 1340.235171][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1340.236555][ T32] r4:00000000 [ 1340.236593][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.236654][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.236712][ T32] dd20: 96de4000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.236768][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.236822][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.236864][ T32] r5:800d0013 r4:80239bb0 [ 1340.236911][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.236993][ T32] r4:82ac21e4 [ 1340.237060][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.237168][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.237254][ T32] r4:e044ddc0 [ 1340.237326][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.237414][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.237473][ T32] r4:00000000 [ 1340.237541][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.237655][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.237701][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.237830][ T32] r5:00001000 r4:ed353000 [ 1340.237881][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.237960][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.238038][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.238082][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.238186][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.238228][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.238376][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.238429][ T32] r4:84ab5800 [ 1340.238496][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.238596][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.238654][ T32] r4:00000001 [ 1340.238688][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.238759][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.238813][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.238872][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.238927][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.238980][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.239032][ T32] r4:84ab0640 [ 1340.239071][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.239130][ T32] INFO: task kworker/0:130:4842 blocked for more than 466 seconds. [ 1340.239213][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.239315][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.265685][ T32] task:kworker/0:130 state:D stack:0 pid:4842 tgid:4842 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.265869][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.266019][ T32] Call trace: [ 1340.266118][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.266248][ T32] r10:8291a684 r9:eb381d84 r8:00000002 r7:60000013 r6:eb381d8c r5:85491800 [ 1340.266331][ T32] r4:85491800 [ 1340.266390][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.266476][ T32] r5:85491800 r4:8291a680 [ 1340.266517][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.266595][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.266686][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb381e08 [ 1340.266728][ T32] r4:00000000 [ 1340.266767][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 2 printk messages dropped ** [ 1340.267018][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84603bc0 ** 6 printk messages dropped ** [ 1340.267526][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1340.267780][ T32] r7:dddced80 r6:83018000 r5:853dc38c r4:8469be80 ** 4 printk messages dropped ** [ 1340.268105][ T32] r10:00000000 r9:8469be80 r8:80287e08 r7:eb2e5e60 r6:84af0900 r5:85491800 ** 9 printk messages dropped ** [ 1340.284686][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1340.286006][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1340.286482][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1340.286968][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1340.287887][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1340.288442][ T32] INFO: task kworker/1:729:4844 blocked for more than 466 seconds. ** 7 printk messages dropped ** [ 1340.289190][ T32] r4:85492400 ** 4 printk messages dropped ** [ 1340.310468][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb41de08 ** 8 printk messages dropped ** [ 1340.311058][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1340.311293][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1340.311781][ T32] r4:84af0980 ** 4 printk messages dropped ** [ 1340.312086][ T32] Exception stack(0xeb41dfb0 to 0xeb41dff8) ** 4 printk messages dropped ** [ 1340.312362][ T32] r4:84afbcc0 [ 1340.313021][ T32] INFO: task kworker/1:729:4844 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.313094][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.313223][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.313332][ T32] Call trace: [ 1340.313449][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.313569][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.313633][ T32] r4:00000000 [ 1340.313671][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.313747][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.313812][ T32] dd20: 97943000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.313871][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.313919][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.313972][ T32] r5:800d0013 r4:80239bb0 [ 1340.314016][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.314111][ T32] r4:82ac21e4 [ 1340.314156][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.314269][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.314318][ T32] r4:e044ddc0 [ 1340.314357][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.314436][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.314510][ T32] r4:00000000 [ 1340.314565][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.314659][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.314702][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.314801][ T32] r5:00001000 r4:ed353000 [ 1340.314852][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.314929][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.315008][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.315053][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.315142][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.315184][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.315308][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.315360][ T32] r4:84ab5800 [ 1340.315400][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.315490][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.315537][ T32] r4:00000001 [ 1340.315573][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.315651][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.315705][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.315757][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.315835][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.315906][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.315984][ T32] r4:84ab0640 [ 1340.316038][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.316092][ T32] INFO: task kworker/0:131:4846 blocked for more than 466 seconds. [ 1340.316158][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.316212][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.316274][ T32] task:kworker/0:131 state:D stack:0 pid:4846 tgid:4846 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.316435][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.316589][ T32] Call trace: [ 1340.316668][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.316759][ T32] r10:8291a684 r9:eb421d84 r8:00000002 r7:60000013 r6:eb421d8c r5:85493000 [ 1340.316801][ T32] r4:85493000 [ 1340.316845][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.316925][ T32] r5:85493000 r4:8291a680 [ 1340.316970][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.317058][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.317159][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb421e08 [ 1340.317213][ T32] r4:00000000 [ 1340.317266][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.317327][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 5 printk messages dropped ** [ 1340.317732][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1340.317959][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1340.318353][ T32] r10:61c88647 r9:85493000 r8:8469bfac r7:82804d40 r6:dddced80 r5:dddceda0 ** 3 printk messages dropped ** [ 1340.318606][ T32] r4:00000001 [ 1340.318650][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.318723][ T32] Exception stack(0xeb421fb0 to 0xeb421ff8) [ 1340.318797][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1340.318878][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.318931][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.318988][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.319030][ T32] r4:84603b00 [ 1340.340073][ T32] INFO: task kworker/0:131:4846 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.340225][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.340411][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.340562][ T32] Call trace: [ 1340.340710][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.340827][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.340875][ T32] r4:00000000 [ 1340.340920][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.340999][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.341080][ T32] dd20: 97a36000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.341188][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.341264][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.341373][ T32] r5:800d0013 r4:80239bb0 [ 1340.341431][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.341538][ T32] r4:82ac21e4 [ 1340.341601][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.341703][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.341754][ T32] r4:e044ddc0 [ 1340.341816][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.341912][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.341968][ T32] r4:00000000 [ 1340.342011][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.342101][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.342150][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.342235][ T32] r5:00001000 r4:ed353000 [ 1340.342275][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.342356][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.342441][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.342485][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.342595][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.342704][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.342822][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.342876][ T32] r4:84ab5800 [ 1340.342987][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.343102][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.343154][ T32] r4:00000001 [ 1340.343190][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.343267][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.343322][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.343399][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.343466][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.343528][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.343580][ T32] r4:84ab0640 [ 1340.343622][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.343708][ T32] INFO: task kworker/0:132:4848 blocked for more than 466 seconds. [ 1340.343782][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.343832][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.343929][ T32] task:kworker/0:132 state:D stack:0 pid:4848 tgid:4848 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.344058][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.344143][ T32] Call trace: [ 1340.344227][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.344323][ T32] r10:8291a684 r9:eb425d84 r8:00000002 r7:60000113 r6:eb425d8c r5:85493c00 [ 1340.344437][ T32] r4:85493c00 [ 1340.344493][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 1 printk messages dropped ** [ 1340.344652][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1340.345595][ T32] r5:00001000 r4:e46e3000 ** 1 printk messages dropped ** [ 1340.345715][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1340.345956][ T32] r7:dddced80 r6:83018000 r5:853dcf8c r4:84aff000 ** 5 printk messages dropped ** [ 1340.346362][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1340.346683][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1340.347910][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 6 printk messages dropped ** [ 1340.348343][ T32] r5:800d0013 r4:80239bb0 ** 3 printk messages dropped ** [ 1340.348669][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1340.372171][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1340.372997][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1340.373756][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 5 printk messages dropped ** [ 1340.374308][ T32] r10:8291a684 r9:eb429d84 r8:00000002 r7:60000013 r6:eb429d8c r5:85494800 ** 9 printk messages dropped ** [ 1340.375165][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1340.375841][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1340.376349][ T32] r10:61c88647 r9:85494800 r8:84aff0ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 3 printk messages dropped ** [ 1340.376614][ T32] r4:00000001 [ 1340.376667][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.376748][ T32] Exception stack(0xeb429fb0 to 0xeb429ff8) [ 1340.376802][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.376864][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.376930][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.376983][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.377048][ T32] r4:84603b80 [ 1340.377747][ T32] INFO: task kworker/0:133:4850 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.377826][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.378019][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.378134][ T32] Call trace: [ 1340.378216][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.378347][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.378401][ T32] r4:00000000 [ 1340.378442][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.378528][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.378613][ T32] dd20: 97ee3000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.378684][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.378729][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.378789][ T32] r5:800d0013 r4:80239bb0 [ 1340.378840][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.378947][ T32] r4:82ac21e4 [ 1340.379010][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.379107][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.379153][ T32] r4:e044ddc0 [ 1340.379223][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.410111][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.410207][ T32] r4:00000000 [ 1340.410271][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.410400][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.410453][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.410571][ T32] r5:00001000 r4:ed353000 [ 1340.410623][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.410743][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.410836][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.410878][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.410973][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.411094][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.411204][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.411256][ T32] r4:84ab5800 [ 1340.411298][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.411393][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.411445][ T32] r4:00000001 [ 1340.411496][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.411576][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.411648][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.411707][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.411787][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.411862][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.411907][ T32] r4:84ab0640 [ 1340.411983][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.412049][ T32] INFO: task kworker/0:134:4852 blocked for more than 466 seconds. [ 1340.412112][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.412168][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.412213][ T32] task:kworker/0:134 state:D stack:0 pid:4852 tgid:4852 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.412330][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.412429][ T32] Call trace: [ 1340.412497][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.412656][ T32] r10:8291a684 r9:eb42dd84 r8:00000002 r7:60000013 r6:eb42dd8c r5:85495400 [ 1340.412733][ T32] r4:85495400 [ 1340.412788][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.412897][ T32] r5:85495400 r4:8291a680 [ 1340.412959][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.413047][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.413152][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb42de08 [ 1340.413225][ T32] r4:00000000 [ 1340.413312][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.413425][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1340.413506][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.413594][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846028c0 [ 1340.413648][ T32] r4:00000000 [ 1340.413687][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.413778][ T32] r9:83018005 r8:85495400 r7:00000000 r6:83018000 r5:00001000 r4:7f047000 [ 1340.413827][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.413906][ T32] r5:00001000 r4:eae41000 [ 1340.413953][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.414031][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.414125][ T32] r5:853de38c r4:853de000 [ 1340.414173][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.414260][ T32] r7:dddced80 r6:83018000 r5:853de38c r4:84aff100 [ 1340.414306][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.414397][ T32] r10:61c88647 r9:85495400 r8:84aff12c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1340.414451][ T32] r4:84aff100 [ 1340.414487][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.414592][ T32] r10:00000000 r9:84aff100 r8:80287e08 r7:eb429e60 r6:84af0c00 r5:85495400 [ 1340.414649][ T32] r4:00000001 [ 1340.414684][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.414755][ T32] Exception stack(0xeb42dfb0 to 0xeb42dff8) [ 1340.414810][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.414866][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.414917][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.414988][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.415041][ T32] r4:84603f40 [ 1340.415679][ T32] INFO: task kworker/0:134:4852 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.415750][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.415911][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.416030][ T32] Call trace: [ 1340.416139][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.416237][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.416280][ T32] r4:00000000 [ 1340.416346][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.416431][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.416527][ T32] dd20: 9865b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.416636][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.416698][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.416746][ T32] r5:800d0013 r4:80239bb0 [ 1340.416785][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.416867][ T32] r4:82ac21e4 [ 1340.416905][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.416988][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.417060][ T32] r4:e044ddc0 [ 1340.417100][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.417182][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.417232][ T32] r4:00000000 [ 1340.417270][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.417355][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.417424][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.417509][ T32] r5:00001000 r4:ed353000 [ 1340.417596][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.417688][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.417779][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.417827][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.417937][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.417982][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.418086][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.418154][ T32] r4:84ab5800 [ 1340.418194][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.418287][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.418365][ T32] r4:00000001 [ 1340.418412][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.418488][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.418541][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.418596][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.418655][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.418706][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.418795][ T32] r4:84ab0640 [ 1340.418850][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.418928][ T32] INFO: task kworker/0:135:4853 blocked for more than 466 seconds. [ 1340.419019][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.419107][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.419154][ T32] task:kworker/0:135 state:D stack:0 pid:4853 tgid:4853 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.450446][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.450622][ T32] Call trace: [ 1340.450710][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.450824][ T32] r10:8291a684 r9:eb431d84 r8:00000002 r7:60000113 r6:eb431d8c r5:85496000 [ 1340.450880][ T32] r4:85496000 [ 1340.450945][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.451088][ T32] r5:85496000 r4:8291a680 [ 1340.451143][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.451227][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.451323][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb431e08 [ 1340.451382][ T32] r4:00000000 [ 1340.451430][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.451502][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1340.451585][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.451672][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84602040 [ 1340.451727][ T32] r4:00000000 [ 1340.451767][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.451881][ T32] r9:83018005 r8:85496000 r7:00000000 r6:83018000 r5:00001000 r4:7f039000 [ 1340.451940][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.452022][ T32] r5:00001000 r4:ea7dd000 [ 1340.452074][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.452157][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.452241][ T32] r5:853dd78c r4:853dd400 [ 1340.452281][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.452391][ T32] r7:dddced80 r6:83018000 r5:853dd78c r4:84aff180 [ 1340.452446][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.452567][ T32] r10:61c88647 r9:85496000 r8:84aff1ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1340.452618][ T32] r4:84aff180 [ 1340.452670][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.452759][ T32] r10:00000000 r9:84aff180 r8:80287e08 r7:eb42de60 r6:84af0c80 r5:85496000 [ 1340.452814][ T32] r4:00000001 [ 1340.452879][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.452958][ T32] Exception stack(0xeb431fb0 to 0xeb431ff8) [ 1340.453013][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1340.453072][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.453123][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.453187][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.453230][ T32] r4:84602080 [ 1340.453874][ T32] INFO: task kworker/0:135:4853 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.453942][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.454066][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.454159][ T32] Call trace: [ 1340.454236][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.454340][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.454417][ T32] r4:00000000 [ 1340.454464][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.454557][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.454620][ T32] dd20: 98a6c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.454687][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.454734][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.454787][ T32] r5:800d0013 r4:80239bb0 [ 1340.454827][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.454916][ T32] r4:82ac21e4 [ 1340.454967][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.455054][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.455104][ T32] r4:e044ddc0 [ 1340.455145][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.455228][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.455272][ T32] r4:00000000 [ 1340.455319][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.455412][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.455513][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.455607][ T32] r5:00001000 r4:ed353000 [ 1340.455661][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.455743][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.455834][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.455877][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.455972][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.456023][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.456118][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.456164][ T32] r4:84ab5800 [ 1340.456225][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.456320][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.456371][ T32] r4:00000001 [ 1340.456420][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.456530][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.456587][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.456655][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.456705][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.456767][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.456810][ T32] r4:84ab0640 [ 1340.456882][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.456966][ T32] INFO: task kworker/1:730:4857 blocked for more than 466 seconds. [ 1340.457037][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.457102][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.457155][ T32] task:kworker/1:730 state:D stack:0 pid:4857 tgid:4857 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.457245][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.457328][ T32] Call trace: [ 1340.457404][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.457495][ T32] r10:8291a684 r9:eb411d84 r8:00000002 r7:60000113 r6:eb411d8c r5:85496c00 [ 1340.457546][ T32] r4:85496c00 [ 1340.457584][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.457679][ T32] r5:85496c00 r4:8291a680 [ 1340.457740][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.457823][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.457915][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb411e08 [ 1340.457965][ T32] r4:00000000 [ 1340.458018][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.458087][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1340.458189][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.458274][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846053c0 [ 1340.458361][ T32] r4:00000000 [ 1340.458405][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.458496][ T32] r9:83018205 r8:85496c00 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000 [ 1340.458545][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.458625][ T32] r5:00001000 r4:eaa41000 [ 1340.458678][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.458758][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.458842][ T32] r5:8551bf8c r4:8551bc00 [ 1340.458890][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.459002][ T32] r7:ddde2d80 r6:83018200 r5:8551bf8c r4:84af0d00 [ 1340.459065][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.459160][ T32] r10:61c88647 r9:85496c00 r8:84af0d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.459220][ T32] r4:84af0d00 [ 1340.459341][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.480054][ T32] r10:00000000 r9:84af0d00 r8:80287e08 r7:eb419e60 r6:84af0d80 r5:85496c00 [ 1340.480129][ T32] r4:00000001 [ 1340.480196][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.480294][ T32] Exception stack(0xeb411fb0 to 0xeb411ff8) [ 1340.480366][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1340.480456][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.480547][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.480609][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.480664][ T32] r4:84605080 [ 1340.481298][ T32] INFO: task kworker/1:730:4857 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.481371][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.481518][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.481622][ T32] Call trace: [ 1340.481700][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.481809][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.481866][ T32] r4:00000000 [ 1340.481915][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.481995][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.482051][ T32] dd20: 98c23000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.482113][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.482164][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.482237][ T32] r5:800d0013 r4:80239bb0 [ 1340.482299][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.482395][ T32] r4:82ac21e4 [ 1340.482438][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.482526][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.482578][ T32] r4:e044ddc0 [ 1340.482636][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.482722][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.482785][ T32] r4:00000000 [ 1340.482826][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.482920][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.482970][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.483056][ T32] r5:00001000 r4:ed353000 [ 1340.483101][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.483191][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.483275][ T32] r5:85c0ff8c r4:85c0fc00 ** 4 printk messages dropped ** [ 1340.483621][ T32] r4:84ab5800 ** 5 printk messages dropped ** [ 1340.483994][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1340.484453][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1340.485116][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1340.485699][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1340.486113][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.486202][ T32] r5:853ddb8c r4:853dd800 ** 1 printk messages dropped ** [ 1340.486343][ T32] r7:ddde2d80 r6:83018200 r5:853ddb8c r4:84af0e00 ** 5 printk messages dropped ** [ 1340.486740][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1340.487037][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1340.488034][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1340.488315][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1340.488849][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1340.520143][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 6 printk messages dropped ** [ 1340.520724][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1340.521313][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1340.521934][ T32] r4:85490c00 ** 4 printk messages dropped ** [ 1340.522300][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb369e08 ** 9 printk messages dropped ** [ 1340.523088][ T32] r5:00001000 r4:eac3f000 [ 1340.523170][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.523252][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.523339][ T32] r5:8552438c r4:85524000 [ 1340.523397][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.523489][ T32] r7:ddde2d80 r6:83018200 r5:8552438c r4:84af0f00 [ 1340.523541][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.523638][ T32] r10:61c88647 r9:85490c00 r8:84af0f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.523686][ T32] r4:84af0f00 [ 1340.523730][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.523816][ T32] r10:00000000 r9:84af0f00 r8:80287e08 r7:eb439e60 r6:84af0f80 r5:85490c00 [ 1340.523861][ T32] r4:00000001 [ 1340.523899][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.523968][ T32] Exception stack(0xeb369fb0 to 0xeb369ff8) [ 1340.524022][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.524076][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.524132][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.524186][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.524231][ T32] r4:84605240 [ 1340.524915][ T32] INFO: task kworker/1:732:4860 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.524988][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.525101][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.525202][ T32] Call trace: [ 1340.525257][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.525359][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.525412][ T32] r4:00000000 [ 1340.525451][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.525530][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.525583][ T32] dd20: 9938c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.525650][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.525702][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.525747][ T32] r5:800d0013 r4:80239bb0 [ 1340.525789][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.525867][ T32] r4:82ac21e4 [ 1340.525913][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.525995][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.526040][ T32] r4:e044ddc0 [ 1340.526095][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.526178][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.526225][ T32] r4:00000000 [ 1340.526306][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.526400][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.526443][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.526521][ T32] r5:00001000 r4:ed353000 [ 1340.526571][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.526660][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.526745][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.526807][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.526958][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.527007][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.527100][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.527151][ T32] r4:84ab5800 ** 1 printk messages dropped ** [ 1340.527289][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1340.527810][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1340.528051][ T32] task:kworker/1:733 state:D stack:0 pid:4862 tgid:4862 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1340.529126][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1340.544645][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1340.545067][ T32] r10:61c88647 r9:85558000 r8:8460802c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1340.545689][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1340.547134][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1340.547846][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 6 printk messages dropped ** [ 1340.548296][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1340.548547][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.548648][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.548699][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.548793][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.548852][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.548992][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.549047][ T32] r4:84ab5800 [ 1340.549082][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.549173][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.549226][ T32] r4:00000001 [ 1340.567200][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.567410][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.567487][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.567575][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.567644][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.567705][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.567759][ T32] r4:84ab0640 [ 1340.567823][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.567905][ T32] INFO: task kworker/0:136:4863 blocked for more than 466 seconds. [ 1340.567975][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.568025][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.568072][ T32] task:kworker/0:136 state:D stack:0 pid:4863 tgid:4863 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.568182][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.568278][ T32] Call trace: [ 1340.568343][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.568446][ T32] r10:8291a684 r9:eb445d84 r8:00000002 r7:60000113 r6:eb445d8c r5:85558c00 [ 1340.568494][ T32] r4:85558c00 [ 1340.568559][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.568648][ T32] r5:85558c00 r4:8291a680 [ 1340.568697][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.568797][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.568886][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb445e08 [ 1340.568945][ T32] r4:00000000 [ 1340.569010][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.569104][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1340.569186][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.569326][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846027c0 [ 1340.583327][ T32] r4:00000000 [ 1340.583468][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.583608][ T32] r9:83018005 r8:85558c00 r7:00000000 r6:83018000 r5:00001000 r4:7f045000 [ 1340.583662][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.583754][ T32] r5:00001000 r4:eacad000 [ 1340.583807][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.583891][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.583989][ T32] r5:853ddf8c r4:853ddc00 [ 1340.584044][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.584163][ T32] r7:dddced80 r6:83018000 r5:853ddf8c r4:84aff200 [ 1340.584220][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.584340][ T32] r10:61c88647 r9:85558c00 r8:84aff22c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1340.584397][ T32] r4:84aff200 [ 1340.584438][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.584605][ T32] r10:00000000 r9:84aff200 r8:80287e08 r7:eb42de60 r6:84608100 r5:85558c00 [ 1340.584692][ T32] r4:00000001 [ 1340.584740][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.584817][ T32] Exception stack(0xeb445fb0 to 0xeb445ff8) [ 1340.584880][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1340.584941][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.584994][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.585192][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.585261][ T32] r4:846022c0 [ 1340.585924][ T32] INFO: task kworker/0:136:4863 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 4 printk messages dropped ** [ 1340.586479][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 7 printk messages dropped ** [ 1340.587058][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 12 printk messages dropped ** [ 1340.588078][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1340.588930][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1340.603321][ T32] INFO: task kworker/0:137:4867 blocked for more than 467 seconds. ** 10 printk messages dropped ** [ 1340.604240][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1340.605067][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1340.605291][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1340.605990][ T32] r10:00000000 r9:84aff280 r8:80287e08 r7:eb42de60 r6:84aff300 r5:849eb000 ** 7 printk messages dropped ** [ 1340.606472][ T32] r4:84602800 ** 5 printk messages dropped ** [ 1340.607618][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 7 printk messages dropped ** [ 1340.608094][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1340.608829][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1340.609320][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1340.630518][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1340.630944][ T32] INFO: task kworker/0:138:4869 blocked for more than 467 seconds. ** 5 printk messages dropped ** [ 1340.631564][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.631680][ T32] r10:8291a684 r9:eb44dd84 r8:00000002 r7:60000013 r6:eb44dd8c r5:849ea400 [ 1340.631729][ T32] r4:849ea400 [ 1340.631774][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.631891][ T32] r5:849ea400 r4:8291a680 [ 1340.631964][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.632047][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.632138][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb44de08 [ 1340.632189][ T32] r4:00000000 [ 1340.632228][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.632299][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1340.632380][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.632463][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84602840 [ 1340.632530][ T32] r4:00000000 [ 1340.632605][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.632722][ T32] r9:83018005 r8:849ea400 r7:00000000 r6:83018000 r5:00001000 r4:7f04b000 [ 1340.632777][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.632942][ T32] r5:00001000 r4:eae9f000 [ 1340.632993][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.633075][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.633162][ T32] r5:853deb8c r4:853de800 [ 1340.633350][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.633448][ T32] r7:dddced80 r6:83018000 r5:853deb8c r4:84aff400 [ 1340.633496][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.633591][ T32] r10:61c88647 r9:849ea400 r8:84aff42c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1340.633657][ T32] r4:84aff400 [ 1340.633705][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.633814][ T32] r10:00000000 r9:84aff400 r8:80287e08 r7:eb43de60 r6:84aff480 r5:849ea400 [ 1340.633866][ T32] r4:00000001 [ 1340.633909][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.633977][ T32] Exception stack(0xeb44dfb0 to 0xeb44dff8) [ 1340.634033][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.634183][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.634252][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.634314][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.634367][ T32] r4:84602840 [ 1340.635038][ T32] INFO: task kworker/0:138:4869 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.635137][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.635273][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.635382][ T32] Call trace: [ 1340.635463][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.635563][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.635633][ T32] r4:00000000 [ 1340.635680][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.635761][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.635824][ T32] dd20: 99d96000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.635884][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.635931][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.635990][ T32] r5:800d0013 r4:80239bb0 [ 1340.636030][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.636114][ T32] r4:82ac21e4 [ 1340.636178][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.636257][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.636308][ T32] r4:e044ddc0 [ 1340.636375][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1340.636925][ T32] r5:00001000 r4:ed353000 ** 6 printk messages dropped ** [ 1340.637513][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1340.637909][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1340.638400][ T32] INFO: task kworker/0:139:4872 blocked for more than 467 seconds. ** 10 printk messages dropped ** [ 1340.670414][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1340.671367][ T32] r5:00001000 r4:eaf65000 ** 1 printk messages dropped ** [ 1340.671502][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1340.671966][ T32] r4:84aff380 ** 6 printk messages dropped ** [ 1340.672488][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1340.673625][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1340.674166][ T32] dd20: 9a14b000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1340.674808][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1340.675690][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1340.676261][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1340.676872][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1340.677478][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.677559][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.677650][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb449e08 [ 1340.677694][ T32] r4:00000000 [ 1340.677767][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.677871][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1340.677963][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.678076][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84602d00 [ 1340.678130][ T32] r4:00000000 [ 1340.678197][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.678313][ T32] r9:83018005 r8:849ec800 r7:00000000 r6:83018000 r5:00001000 r4:7f04d000 [ 1340.678364][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.678448][ T32] r5:00001000 r4:eaee3000 [ 1340.678497][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.678573][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.678673][ T32] r5:853def8c r4:853dec00 [ 1340.678755][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.678851][ T32] r7:dddced80 r6:83018000 r5:853def8c r4:84aff580 [ 1340.678903][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.679002][ T32] r10:61c88647 r9:849ec800 r8:84aff5ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1340.679064][ T32] r4:84aff580 [ 1340.679140][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.706293][ T32] r10:00000000 r9:84aff580 r8:80287e08 r7:eb451e60 r6:84aff600 r5:849ec800 [ 1340.706481][ T32] r4:00000001 [ 1340.706560][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.706680][ T32] Exception stack(0xeb449fb0 to 0xeb449ff8) [ 1340.706762][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.706836][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.706887][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.706946][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.706986][ T32] r4:84602b00 [ 1340.707615][ T32] INFO: task kworker/0:140:4873 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.707690][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.707851][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.707966][ T32] Call trace: [ 1340.708101][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.708217][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.708268][ T32] r4:00000000 [ 1340.708347][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.708433][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.708546][ T32] dd20: 9a4ab000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.708626][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.708693][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.708737][ T32] r5:800d0013 r4:80239bb0 [ 1340.708788][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.708876][ T32] r4:82ac21e4 [ 1340.708917][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.709027][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.709081][ T32] r4:e044ddc0 [ 1340.709121][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.709209][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.709326][ T32] r4:00000000 [ 1340.714235][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.714419][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.714478][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.714570][ T32] r5:00001000 r4:ed353000 [ 1340.714610][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1340.715057][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1340.715604][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1340.716410][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 9 printk messages dropped ** [ 1340.717103][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1340.717754][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1340.718065][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1340.718542][ T32] Exception stack(0xeb461fb0 to 0xeb461ff8) ** 4 printk messages dropped ** [ 1340.718821][ T32] r4:84602f00 ** 3 printk messages dropped ** [ 1340.740953][ T32] Call trace: ** 5 printk messages dropped ** [ 1340.741451][ T32] dd20: 9a713000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 7 printk messages dropped ** [ 1340.742027][ T32] r4:e044ddc0 [ 1340.742155][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.742256][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.742308][ T32] r4:00000000 [ 1340.742351][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.742473][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.742519][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.742634][ T32] r5:00001000 r4:ed353000 [ 1340.742716][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.742802][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.742888][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.742928][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.743040][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.743089][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.743212][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.743272][ T32] r4:84ab5800 [ 1340.743334][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.743427][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.743477][ T32] r4:00000001 [ 1340.743512][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.743635][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.743700][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.743787][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.743847][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.743915][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.743994][ T32] r4:84ab0640 [ 1340.744076][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.744137][ T32] INFO: task kworker/1:734:4876 blocked for more than 467 seconds. [ 1340.744201][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.744284][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.744332][ T32] task:kworker/1:734 state:D stack:0 pid:4876 tgid:4876 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.744426][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.744555][ T32] Call trace: [ 1340.744677][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.744798][ T32] r10:8291a684 r9:eb459d84 r8:00000002 r7:60000113 r6:eb459d8c r5:85559800 [ 1340.744852][ T32] r4:85559800 [ 1340.744892][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.744993][ T32] r5:85559800 r4:8291a680 [ 1340.745042][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.745120][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.745205][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb459e08 [ 1340.745255][ T32] r4:00000000 [ 1340.745321][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.745408][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1340.745479][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.745558][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84291480 [ 1340.745601][ T32] r4:00000000 [ 1340.745678][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.745797][ T32] r9:83018205 r8:85559800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a9000 [ 1340.745903][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1340.746113][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.746195][ T32] r5:8552478c r4:85524400 ** 2 printk messages dropped ** [ 1340.746381][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1340.747064][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1340.748314][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 6 printk messages dropped ** [ 1340.748779][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1340.749243][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 7 printk messages dropped ** [ 1340.776640][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1340.777198][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 10 printk messages dropped ** [ 1340.777930][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1340.778741][ T32] r5:8555a400 r4:8291a680 ** 3 printk messages dropped ** [ 1340.779078][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1340.787577][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1340.787979][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1340.788475][ T32] r4:84aff780 ** 6 printk messages dropped ** [ 1340.789045][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1340.801290][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1340.801874][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1340.802215][ T32] r4:00000000 [ 1340.802254][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.802349][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.802411][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.802497][ T32] r5:00001000 r4:ed353000 [ 1340.802545][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.802622][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.802788][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.802840][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.802961][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.803035][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.803131][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.803174][ T32] r4:84ab5800 [ 1340.803265][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.803383][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.803443][ T32] r4:00000001 [ 1340.803482][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.803560][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.803620][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.803706][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.803764][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.803848][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.803893][ T32] r4:84ab0640 [ 1340.803943][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.804019][ T32] INFO: task kworker/0:143:4879 blocked for more than 467 seconds. [ 1340.804100][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.804152][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.804203][ T32] task:kworker/0:143 state:D stack:0 pid:4879 tgid:4879 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.804321][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.804411][ T32] Call trace: [ 1340.804564][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.804674][ T32] r10:8291a684 r9:eb469d84 r8:00000002 r7:60000113 r6:eb469d8c r5:8555bc00 [ 1340.804725][ T32] r4:8555bc00 [ 1340.804793][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.804879][ T32] r5:8555bc00 r4:8291a680 [ 1340.804927][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.805001][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.805083][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb469e08 [ 1340.805132][ T32] r4:00000000 [ 1340.805166][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.805240][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1340.805329][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.805416][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84601140 [ 1340.805482][ T32] r4:00000000 [ 1340.805535][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.805621][ T32] r9:83018005 r8:8555bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f057000 [ 1340.805673][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.805777][ T32] r5:00001000 r4:eb049000 [ 1340.805825][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.805897][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.805978][ T32] r5:853e038c r4:853e0000 [ 1340.806049][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.806141][ T32] r7:dddced80 r6:83018000 r5:853e038c r4:84aff800 [ 1340.806183][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.806271][ T32] r10:61c88647 r9:8555bc00 r8:84aff82c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1340.806319][ T32] r4:84aff800 [ 1340.806381][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.806497][ T32] r10:00000000 r9:84aff800 r8:80287e08 r7:eb451e60 r6:84608300 r5:8555bc00 ** 4 printk messages dropped ** [ 1340.806822][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1340.807674][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1340.808336][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 9 printk messages dropped ** [ 1340.809049][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1340.831391][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1340.832178][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1340.832703][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1340.832983][ T32] task:kworker/0:144 state:D stack:0 pid:4881 tgid:4881 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1340.834191][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1340.834829][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1340.835187][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1340.835525][ T32] r4:00000001 [ 1340.835559][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.835638][ T32] Exception stack(0xeb46dfb0 to 0xeb46dff8) [ 1340.835705][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.835758][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.835813][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.835868][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.835916][ T32] r4:846036c0 [ 1340.836609][ T32] INFO: task kworker/0:144:4881 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.836687][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.836820][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.836963][ T32] Call trace: [ 1340.837039][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.837156][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.837218][ T32] r4:00000000 [ 1340.837255][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.837332][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.837387][ T32] dd20: 9b0c9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.837442][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.837494][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.837562][ T32] r5:800d0013 r4:80239bb0 [ 1340.837611][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.837699][ T32] r4:82ac21e4 [ 1340.837738][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.837827][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.837876][ T32] r4:e044ddc0 [ 1340.837914][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.837996][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.838039][ T32] r4:00000000 [ 1340.838081][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.838168][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.838233][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.838349][ T32] r5:00001000 r4:ed353000 [ 1340.838393][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.838475][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.838588][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.838640][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.838732][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.838781][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.838874][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.838940][ T32] r4:84ab5800 [ 1340.839023][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.839161][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.839215][ T32] r4:00000001 [ 1340.839320][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.872403][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.872547][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.872610][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.872674][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.872746][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.872827][ T32] r4:84ab0640 [ 1340.872883][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.872939][ T32] INFO: task kworker/0:145:4884 blocked for more than 467 seconds. [ 1340.873006][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.873126][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.873185][ T32] task:kworker/0:145 state:D stack:0 pid:4884 tgid:4884 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.873292][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.873425][ T32] Call trace: [ 1340.873524][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.873654][ T32] r10:8291a684 r9:eb45dd84 r8:00000002 r7:60000013 r6:eb45dd8c r5:849ed400 [ 1340.873703][ T32] r4:849ed400 [ 1340.873749][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.873835][ T32] r5:849ed400 r4:8291a680 [ 1340.873888][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.874001][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.874090][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb45de08 [ 1340.874141][ T32] r4:00000000 [ 1340.874194][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.874265][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1340.874344][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.874430][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84601280 ** 4 printk messages dropped ** [ 1340.874754][ T32] r5:00001000 r4:eb0b1000 ** 1 printk messages dropped ** [ 1340.874901][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1340.875274][ T32] r10:61c88647 r9:849ed400 r8:84aff9ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1340.875960][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1340.877239][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 7 printk messages dropped ** [ 1340.877699][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1340.878376][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 9 printk messages dropped ** [ 1340.879229][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1340.900611][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1340.901043][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1340.901677][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1340.902674][ T32] r5:00001000 r4:eb105000 ** 1 printk messages dropped ** [ 1340.902844][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1340.903443][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1340.903807][ T32] Exception stack(0xeb475fb0 to 0xeb475ff8) [ 1340.903868][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1340.903959][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.904045][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.904114][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.904169][ T32] r4:84601100 [ 1340.904854][ T32] INFO: task kworker/0:146:4886 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.904928][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.905137][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.905231][ T32] Call trace: [ 1340.905322][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.905420][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.905480][ T32] r4:00000000 [ 1340.905540][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.905645][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.905716][ T32] dd20: 9badb000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.905772][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.905847][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.905903][ T32] r5:800d0013 r4:80239bb0 [ 1340.905956][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.906050][ T32] r4:82ac21e4 [ 1340.906096][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.906179][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.906221][ T32] r4:e044ddc0 [ 1340.906265][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.906339][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.906388][ T32] r4:00000000 [ 1340.906423][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.906512][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.906581][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.906674][ T32] r5:00001000 r4:ed353000 [ 1340.906738][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.906879][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.906967][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.907005][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.907141][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.907194][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.907286][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.907337][ T32] r4:84ab5800 [ 1340.907374][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.907511][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.907570][ T32] r4:00000001 [ 1340.907682][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.907781][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.907837][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.907890][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.907946][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.908000][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.908053][ T32] r4:84ab0640 ** 2 printk messages dropped ** [ 1340.908213][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1340.908872][ T32] r4:85459800 ** 4 printk messages dropped ** [ 1340.909194][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb479e08 ** 9 printk messages dropped ** [ 1340.937521][ T32] r5:00001000 r4:eb0d3000 ** 1 printk messages dropped ** [ 1340.937719][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1340.938019][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1340.938376][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1340.938763][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 8 printk messages dropped ** [ 1340.950762][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 6 printk messages dropped ** [ 1340.951203][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1340.951531][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1340.952453][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1340.952982][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1340.953435][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1340.954206][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1340.954895][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1340.955158][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1340.955720][ T32] r10:61c88647 r9:8545ec00 r8:84affcac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1340.955770][ T32] r4:84affc80 [ 1340.955840][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.955929][ T32] r10:00000000 r9:84affc80 r8:80287e08 r7:eb475e60 r6:84affd00 r5:8545ec00 [ 1340.956005][ T32] r4:00000001 [ 1340.956061][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.956126][ T32] Exception stack(0xeb47dfb0 to 0xeb47dff8) [ 1340.956182][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.956232][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.956290][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.956346][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.956398][ T32] r4:84601680 [ 1340.956973][ T32] INFO: task kworker/0:148:4890 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.957065][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.957181][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.957277][ T32] Call trace: [ 1340.957340][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.957450][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.957502][ T32] r4:00000000 [ 1340.957543][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.957665][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.957767][ T32] dd20: 9c067000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.957826][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.957877][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.957943][ T32] r5:800d0013 r4:80239bb0 [ 1340.957996][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.958075][ T32] r4:82ac21e4 [ 1340.958111][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.958196][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1340.958267][ T32] r4:e044ddc0 [ 1340.958343][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.958447][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1340.958517][ T32] r4:00000000 [ 1340.958561][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.958658][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1340.958706][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.958793][ T32] r5:00001000 r4:ed353000 [ 1340.958834][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.958915][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.959010][ T32] r5:85c0ff8c r4:85c0fc00 [ 1340.959046][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.959137][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1340.959205][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.983114][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.983270][ T32] r4:84ab5800 [ 1340.983332][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.983469][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1340.983595][ T32] r4:00000001 [ 1340.983650][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.983765][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1340.983876][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.983945][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.984024][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.984084][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.984134][ T32] r4:84ab0640 [ 1340.984180][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.984247][ T32] INFO: task kworker/0:149:4893 blocked for more than 467 seconds. [ 1340.984320][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1340.984368][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.984420][ T32] task:kworker/0:149 state:D stack:0 pid:4893 tgid:4893 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.984654][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.984753][ T32] Call trace: [ 1340.984847][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1340.984949][ T32] r10:8291a684 r9:eb481d84 r8:00000002 r7:60000113 r6:eb481d8c r5:84a48000 [ 1340.984998][ T32] r4:84a48000 [ 1340.985045][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1340.985129][ T32] r5:84a48000 r4:8291a680 [ 1340.985170][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.985276][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.985386][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb481e08 [ 1340.985441][ T32] r4:00000000 [ 1340.985477][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1340.985549][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1340.985633][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1340.985718][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846018c0 [ 1340.985762][ T32] r4:00000000 [ 1340.985878][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1340.985974][ T32] r9:83018005 r8:84a48000 r7:00000000 r6:83018000 r5:00001000 r4:7f061000 [ 1340.986024][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1340.986135][ T32] r5:00001000 r4:eb12f000 [ 1340.986187][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1340.986351][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.986438][ T32] r5:853e178c r4:853e1400 [ 1340.986483][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1340.986571][ T32] r7:dddced80 r6:83018000 r5:853e178c r4:84affd80 [ 1340.986611][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1340.986708][ T32] r10:61c88647 r9:84a48000 r8:84affdac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1340.986758][ T32] r4:84affd80 [ 1340.986796][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1340.986885][ T32] r10:00000000 r9:84affd80 r8:80287e08 r7:eb475e60 r6:84affe00 r5:84a48000 [ 1340.986954][ T32] r4:00000001 [ 1340.987005][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.987078][ T32] Exception stack(0xeb481fb0 to 0xeb481ff8) [ 1340.987139][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1340.987215][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.987279][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.987350][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1340.987425][ T32] r4:84601540 [ 1340.988073][ T32] INFO: task kworker/0:149:4893 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1340.988164][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.988283][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.988406][ T32] Call trace: [ 1340.988474][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1340.988602][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1340.988671][ T32] r4:00000000 [ 1340.988709][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.988791][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1340.988851][ T32] dd20: 9c443000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1340.988908][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1340.988960][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1340.989018][ T32] r5:800d0013 r4:80239bb0 [ 1340.989067][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 3 printk messages dropped ** [ 1341.009924][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1341.010283][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 9 printk messages dropped ** [ 1341.011122][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1341.011754][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1341.012312][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1341.012958][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.013040][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.013148][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb485e08 [ 1341.013201][ T32] r4:00000000 [ 1341.013238][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.013334][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.013414][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.013509][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84605b80 [ 1341.013553][ T32] r4:00000000 [ 1341.013599][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.013695][ T32] r9:83018005 r8:84a48c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0ab000 [ 1341.013747][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.013848][ T32] r5:00001000 r4:eb4a7000 [ 1341.013941][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.014021][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.014108][ T32] r5:853e2b8c r4:853e2800 [ 1341.014147][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.014268][ T32] r7:dddced80 r6:83018000 r5:853e2b8c r4:84affe80 [ 1341.014318][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.014419][ T32] r10:61c88647 r9:84a48c00 r8:84affeac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.014463][ T32] r4:84affe80 [ 1341.014501][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.014587][ T32] r10:00000000 r9:84affe80 r8:80287e08 r7:eb481e60 r6:84afff00 r5:84a48c00 [ 1341.014642][ T32] r4:00000001 [ 1341.014677][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.014752][ T32] Exception stack(0xeb485fb0 to 0xeb485ff8) [ 1341.014831][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.014890][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.014947][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.015030][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.015084][ T32] r4:846016c0 [ 1341.015774][ T32] INFO: task kworker/0:150:4894 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.015870][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.016014][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.016106][ T32] Call trace: [ 1341.016311][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.016468][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.016548][ T32] r4:00000000 [ 1341.016592][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.016682][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.016742][ T32] dd20: 9c8a0000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.016873][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.016931][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.016979][ T32] r5:800d0013 r4:80239bb0 [ 1341.017025][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.017108][ T32] r4:82ac21e4 [ 1341.017152][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.017257][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.017320][ T32] r4:e044ddc0 [ 1341.017365][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.017474][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.017542][ T32] r4:00000000 [ 1341.017583][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.017683][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.017736][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.017820][ T32] r5:00001000 r4:ed353000 [ 1341.017869][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.017948][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.018060][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.018110][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.018214][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.018257][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.018387][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.018449][ T32] r4:84ab5800 [ 1341.018495][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.018586][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.018674][ T32] r4:00000001 [ 1341.018727][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.018810][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.018860][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1341.019126][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1341.050225][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.050353][ T32] Call trace: [ 1341.050422][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.050531][ T32] r10:8291a684 r9:eb471d84 r8:00000002 r7:60000113 r6:eb471d8c r5:84a49800 [ 1341.050581][ T32] r4:84a49800 [ 1341.050621][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.050714][ T32] r5:84a49800 r4:8291a680 [ 1341.050798][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.050885][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.050974][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb471e08 [ 1341.051029][ T32] r4:00000000 [ 1341.051076][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.051154][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.051233][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.051334][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84601b40 [ 1341.051384][ T32] r4:00000000 [ 1341.051432][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.051529][ T32] r9:83018005 r8:84a49800 r7:00000000 r6:83018000 r5:00001000 r4:7f063000 [ 1341.051586][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.051701][ T32] r5:00001000 r4:eb149000 [ 1341.051751][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.051839][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.051925][ T32] r5:853e1b8c r4:853e1800 [ 1341.052000][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.052119][ T32] r7:dddced80 r6:83018000 r5:853e1b8c r4:84afff80 [ 1341.052177][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.052271][ T32] r10:61c88647 r9:84a49800 r8:84afffac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.052341][ T32] r4:84afff80 [ 1341.052406][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.052544][ T32] r10:00000000 r9:84afff80 r8:80287e08 r7:eb485e60 r6:8429e000 r5:84a49800 [ 1341.052592][ T32] r4:00000001 [ 1341.052659][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.052735][ T32] Exception stack(0xeb471fb0 to 0xeb471ff8) [ 1341.052851][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.052911][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.052967][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.053021][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.053067][ T32] r4:84601840 [ 1341.053732][ T32] INFO: task kworker/0:151:4895 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.053814][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.053966][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.054084][ T32] Call trace: [ 1341.054177][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.054276][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.054327][ T32] r4:00000000 [ 1341.054366][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 1 printk messages dropped ** [ 1341.054509][ T32] dd20: 9ccb3000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1341.055096][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1341.055856][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 6 printk messages dropped ** [ 1341.056360][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1341.056770][ T32] r4:84ab0640 ** 3 printk messages dropped ** [ 1341.057019][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.057060][ T32] task:kworker/0:152 state:D stack:0 pid:4898 tgid:4898 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.057144][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.057229][ T32] Call trace: [ 1341.057317][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.057413][ T32] r10:8291a684 r9:eb489d84 r8:00000002 r7:60000113 r6:eb489d8c r5:84a4a400 [ 1341.057470][ T32] r4:84a4a400 [ 1341.057510][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.057620][ T32] r5:84a4a400 r4:8291a680 [ 1341.057670][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.057752][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.057836][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb489e08 [ 1341.057881][ T32] r4:00000000 [ 1341.057934][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.058012][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.058084][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.058181][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84601c40 [ 1341.058232][ T32] r4:00000000 [ 1341.058273][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.058414][ T32] r9:83018005 r8:84a4a400 r7:00000000 r6:83018000 r5:00001000 r4:7f0a3000 [ 1341.058467][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.058553][ T32] r5:00001000 r4:eb15f000 [ 1341.058592][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.058682][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.058771][ T32] r5:853e1f8c r4:853e1c00 [ 1341.058809][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.058896][ T32] r7:dddced80 r6:83018000 r5:853e1f8c r4:8429e080 [ 1341.058944][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.059061][ T32] r10:61c88647 r9:84a4a400 r8:8429e0ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.059112][ T32] r4:8429e080 [ 1341.059163][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.059315][ T32] r10:00000000 r9:8429e080 r8:80287e08 r7:eb485e60 r6:8429e100 r5:84a4a400 [ 1341.080452][ T32] r4:00000001 [ 1341.080570][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.080706][ T32] Exception stack(0xeb489fb0 to 0xeb489ff8) [ 1341.080833][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.080899][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.080986][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.081053][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.081102][ T32] r4:84601a40 [ 1341.081749][ T32] INFO: task kworker/0:152:4898 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.081830][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.082004][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.082144][ T32] Call trace: [ 1341.082220][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.082352][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 2 printk messages dropped ** [ 1341.082537][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1341.082988][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1341.083467][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1341.083976][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1341.084640][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1341.084990][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1341.085658][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1341.086275][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 8 printk messages dropped ** [ 1341.086928][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1341.087315][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1341.087849][ T32] r10:61c88647 r9:84a4b000 r8:8429e1ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1341.088678][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1341.110577][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1341.111149][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1341.111761][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1341.112194][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1341.112890][ T32] r4:00000001 ** 1 printk messages dropped ** [ 1341.113005][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.113057][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.113114][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.113211][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.113276][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.113324][ T32] r4:84ab0640 [ 1341.113405][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.113487][ T32] INFO: task kworker/0:154:4901 blocked for more than 467 seconds. [ 1341.113550][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.113608][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.113653][ T32] task:kworker/0:154 state:D stack:0 pid:4901 tgid:4901 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.113784][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.113872][ T32] Call trace: [ 1341.113965][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.114099][ T32] r10:8291a684 r9:eb499d84 r8:00000002 r7:60000113 r6:eb499d8c r5:8555e000 [ 1341.114155][ T32] r4:8555e000 [ 1341.114194][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.114284][ T32] r5:8555e000 r4:8291a680 [ 1341.114322][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.114415][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.114516][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb499e08 [ 1341.114564][ T32] r4:00000000 [ 1341.114610][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.114752][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.114838][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.114917][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84601f40 [ 1341.114967][ T32] r4:00000000 [ 1341.115002][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.115093][ T32] r9:83018005 r8:8555e000 r7:00000000 r6:83018000 r5:00001000 r4:7f0a7000 [ 1341.115140][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.115221][ T32] r5:00001000 r4:eb2fb000 [ 1341.115268][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.115348][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.115430][ T32] r5:853e278c r4:853e2400 [ 1341.115487][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.115577][ T32] r7:dddced80 r6:83018000 r5:853e278c r4:8429e280 [ 1341.115642][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.115769][ T32] r10:61c88647 r9:8555e000 r8:8429e2ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.115831][ T32] r4:8429e280 [ 1341.115928][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.116065][ T32] r10:00000000 r9:8429e280 r8:80287e08 r7:eb485e60 r6:84608380 r5:8555e000 [ 1341.116118][ T32] r4:00000001 [ 1341.116161][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.116235][ T32] Exception stack(0xeb499fb0 to 0xeb499ff8) [ 1341.116285][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.116379][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.116441][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.116554][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.116611][ T32] r4:84601c00 [ 1341.117320][ T32] INFO: task kworker/0:154:4901 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.117400][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.117563][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.117666][ T32] Call trace: [ 1341.117752][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.117857][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 7 printk messages dropped ** [ 1341.118461][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 12 printk messages dropped ** [ 1341.150609][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1341.151441][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1341.152244][ T32] INFO: task kworker/0:155:4905 blocked for more than 467 seconds. ** 7 printk messages dropped ** [ 1341.153134][ T32] r4:8555c800 ** 4 printk messages dropped ** [ 1341.153530][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb495e08 ** 7 printk messages dropped ** [ 1341.154218][ T32] r9:83018005 r8:8555c800 r7:00000000 r6:83018000 r5:00001000 r4:7f0af000 ** 4 printk messages dropped ** [ 1341.154604][ T32] r5:853e338c r4:853e3000 ** 3 printk messages dropped ** [ 1341.154954][ T32] r10:61c88647 r9:8555c800 r8:8429e32c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1341.155585][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1341.156965][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1341.157794][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1341.158690][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1341.188767][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 11 printk messages dropped ** [ 1341.190566][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.190619][ T32] task:kworker/1:735 state:D stack:0 pid:4906 tgid:4906 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.190779][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.191032][ T32] Call trace: [ 1341.191161][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.191287][ T32] r10:8291a684 r9:eb4b9d84 r8:00000002 r7:60000013 r6:eb4b9d8c r5:8555ec00 [ 1341.191362][ T32] r4:8555ec00 [ 1341.191424][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.191517][ T32] r5:8555ec00 r4:8291a680 [ 1341.191565][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.191658][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.191794][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4b9e08 [ 1341.192031][ T32] r4:00000000 [ 1341.192146][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.192226][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.192311][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.192400][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:842916c0 [ 1341.192524][ T32] r4:00000000 [ 1341.192579][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.192717][ T32] r9:83018205 r8:8555ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f077000 [ 1341.192777][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.192886][ T32] r5:00001000 r4:eaab7000 [ 1341.192938][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.193024][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.193116][ T32] r5:85524f8c r4:85524c00 [ 1341.193170][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.193268][ T32] r7:ddde2d80 r6:83018200 r5:85524f8c r4:84608480 [ 1341.193329][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.193462][ T32] r10:61c88647 r9:8555ec00 r8:846084ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.193535][ T32] r4:84608480 [ 1341.193641][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.193772][ T32] r10:00000000 r9:84608480 r8:80287e08 r7:eb441e60 r6:84608500 r5:8555ec00 [ 1341.193829][ T32] r4:00000001 [ 1341.193867][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.193954][ T32] Exception stack(0xeb4b9fb0 to 0xeb4b9ff8) [ 1341.194017][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.194081][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.194154][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.194221][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.194271][ T32] r4:842913c0 [ 1341.194967][ T32] INFO: task kworker/1:735:4906 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.195046][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.195209][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.195323][ T32] Call trace: [ 1341.195448][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.195558][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.195612][ T32] r4:00000000 [ 1341.195682][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.195770][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.195834][ T32] dd20: 9d70a000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.195896][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.195961][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.196020][ T32] r5:800d0013 r4:80239bb0 [ 1341.196066][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.196158][ T32] r4:82ac21e4 [ 1341.196224][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.196317][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.196388][ T32] r4:e044ddc0 [ 1341.196445][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1341.197253][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1341.197844][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 8 printk messages dropped ** [ 1341.198517][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1341.227704][ T32] r4:8555d400 ** 4 printk messages dropped ** [ 1341.227965][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4bde08 ** 7 printk messages dropped ** [ 1341.228324][ T32] r9:83018005 r8:8555d400 r7:00000000 r6:83018000 r5:00001000 r4:7f0ad000 ** 4 printk messages dropped ** [ 1341.228664][ T32] r5:853e2f8c r4:853e2c00 ** 3 printk messages dropped ** [ 1341.228805][ T32] r10:61c88647 r9:8555d400 r8:8429e3ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1341.229125][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1341.232689][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 7 printk messages dropped ** [ 1341.232969][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 13 printk messages dropped ** [ 1341.233717][ T32] r5:85c0ff8c r4:85c0fc00 ** 4 printk messages dropped ** [ 1341.233945][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1341.234157][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 1 printk messages dropped ** [ 1341.234215][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.234243][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.234273][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.234296][ T32] r4:84ab0640 [ 1341.234345][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.234396][ T32] INFO: task kworker/0:157:4909 blocked for more than 467 seconds. [ 1341.234438][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.234466][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.234515][ T32] task:kworker/0:157 state:D stack:0 pid:4909 tgid:4909 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.234568][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.234613][ T32] Call trace: [ 1341.234653][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.234704][ T32] r10:8291a684 r9:eb4c9d84 r8:00000002 r7:60000113 r6:eb4c9d8c r5:8555b000 [ 1341.234728][ T32] r4:8555b000 [ 1341.234749][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.234799][ T32] r5:8555b000 r4:8291a680 [ 1341.234822][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.234897][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.234950][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4c9e08 [ 1341.234987][ T32] r4:00000000 [ 1341.235015][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.235081][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.235124][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.235172][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848d7480 [ 1341.235197][ T32] r4:00000000 [ 1341.235245][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.235296][ T32] r9:83018005 r8:8555b000 r7:00000000 r6:83018000 r5:00001000 r4:7f029000 [ 1341.235320][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.235399][ T32] r5:00001000 r4:dfa37000 [ 1341.235488][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.235608][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.235690][ T32] r5:853e378c r4:853e3400 [ 1341.235741][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.235822][ T32] r7:dddced80 r6:83018000 r5:853e378c r4:8429e400 [ 1341.235879][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.235935][ T32] r10:61c88647 r9:8555b000 r8:8429e42c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.235960][ T32] r4:8429e400 [ 1341.235981][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.236072][ T32] r10:00000000 r9:8429e400 r8:80287e08 r7:eb495e60 r6:84608600 r5:8555b000 [ 1341.236100][ T32] r4:00000001 [ 1341.236121][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.236157][ T32] Exception stack(0xeb4c9fb0 to 0xeb4c9ff8) [ 1341.236277][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.236313][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.236344][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.236376][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.236399][ T32] r4:848d7280 [ 1341.236688][ T32] INFO: task kworker/0:157:4909 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.236728][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.236850][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.236900][ T32] Call trace: [ 1341.236957][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.237015][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.237068][ T32] r4:00000000 [ 1341.237151][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.237196][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.237225][ T32] dd20: 9dc16000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.237257][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.237284][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.237401][ T32] r5:800d0013 r4:80239bb0 [ 1341.237427][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.237470][ T32] r4:82ac21e4 [ 1341.237490][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.237560][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.237621][ T32] r4:e044ddc0 [ 1341.237672][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.237802][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.237830][ T32] r4:00000000 [ 1341.237851][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.237900][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 5 printk messages dropped ** [ 1341.238582][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1341.239039][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 8 printk messages dropped ** [ 1341.270601][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1341.271102][ T32] r5:84a4bc00 r4:8291a680 ** 3 printk messages dropped ** [ 1341.271511][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.271865][ T32] r9:83018005 r8:84a4bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f065000 ** 4 printk messages dropped ** [ 1341.272235][ T32] r5:853e3b8c r4:853e3800 ** 2 printk messages dropped ** [ 1341.272343][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.272396][ T32] r10:61c88647 r9:84a4bc00 r8:8429e4ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.272421][ T32] r4:8429e480 [ 1341.272442][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.272532][ T32] r10:00000000 r9:8429e480 r8:80287e08 r7:eb4c9e60 r6:8429e500 r5:84a4bc00 [ 1341.272562][ T32] r4:00000001 [ 1341.272585][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.272628][ T32] Exception stack(0xeb48dfb0 to 0xeb48dff8) [ 1341.272670][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.272703][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.272788][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.272852][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.272937][ T32] r4:848d7a80 [ 1341.273370][ T32] INFO: task kworker/0:158:4918 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.273410][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.273536][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.273619][ T32] Call trace: [ 1341.273685][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.273768][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.273882][ T32] r4:00000000 [ 1341.273908][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.273952][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.273983][ T32] dd20: 9e258000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.274043][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.274082][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.274108][ T32] r5:800d0013 r4:80239bb0 [ 1341.274131][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.274202][ T32] r4:82ac21e4 [ 1341.274228][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.274275][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.274300][ T32] r4:e044ddc0 [ 1341.274321][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.274370][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.274396][ T32] r4:00000000 [ 1341.274416][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.274465][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.274488][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.274604][ T32] r5:00001000 r4:ed353000 [ 1341.274630][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.274679][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.274725][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.274746][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.274818][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.274848][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.274932][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.274989][ T32] r4:84ab5800 [ 1341.275013][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.275092][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.275121][ T32] r4:00000001 [ 1341.275141][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.275206][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.275238][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.275269][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.275300][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.275330][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.275353][ T32] r4:84ab0640 [ 1341.275430][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.275517][ T32] INFO: task kworker/0:159:4920 blocked for more than 467 seconds. [ 1341.275551][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.275577][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.275599][ T32] task:kworker/0:159 state:D stack:0 pid:4920 tgid:4920 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.275711][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.275791][ T32] Call trace: [ 1341.275830][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.275884][ T32] r10:8291a684 r9:eb275d84 r8:00000002 r7:60000113 r6:eb275d8c r5:84a4c800 [ 1341.275937][ T32] r4:84a4c800 [ 1341.275963][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.276039][ T32] r5:84a4c800 r4:8291a680 [ 1341.276210][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.276257][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.276301][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb275e08 [ 1341.276361][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1341.276465][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1341.277111][ T32] r5:853e3f8c r4:853e3c00 [ 1341.277163][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.277218][ T32] r7:dddced80 r6:83018000 r5:853e3f8c r4:8429e580 ** 1 printk messages dropped ** [ 1341.277480][ T32] r10:61c88647 r9:84a4c800 r8:8429e5ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1341.277927][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1341.278557][ T32] Call trace: ** 4 printk messages dropped ** [ 1341.278835][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1341.279149][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1341.295437][ T32] r5:00001000 r4:ed353000 ** 6 printk messages dropped ** [ 1341.295851][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1341.296184][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1341.296646][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1341.297033][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.297079][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb3f5e08 [ 1341.297130][ T32] r4:00000000 [ 1341.297161][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.297201][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.297238][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.297308][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848d7740 [ 1341.297336][ T32] r4:00000000 [ 1341.297441][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.297537][ T32] r9:83018005 r8:84a4e000 r7:00000000 r6:83018000 r5:00001000 r4:7f069000 [ 1341.297567][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.297614][ T32] r5:00001000 r4:dff39000 [ 1341.297640][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.297684][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.297728][ T32] r5:84b4c38c r4:84b4c000 [ 1341.297750][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.297797][ T32] r7:dddced80 r6:83018000 r5:84b4c38c r4:8429e680 [ 1341.297819][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.297866][ T32] r10:61c88647 r9:84a4e000 r8:8429e6ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.297890][ T32] r4:8429e680 [ 1341.297912][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.297971][ T32] r10:00000000 r9:8429e680 r8:80287e08 r7:eb275e60 r6:8429e700 r5:84a4e000 [ 1341.297999][ T32] r4:00000001 [ 1341.298020][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.298058][ T32] Exception stack(0xeb3f5fb0 to 0xeb3f5ff8) [ 1341.298086][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.298118][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.298146][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.298176][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.298200][ T32] r4:848d7cc0 [ 1341.298703][ T32] INFO: task kworker/0:160:4921 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.298776][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.298944][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.299162][ T32] Call trace: [ 1341.299202][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.313244][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.313308][ T32] r4:00000000 [ 1341.313334][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.313409][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.313464][ T32] dd20: 9e539000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.313506][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.313535][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.313563][ T32] r5:800d0013 r4:80239bb0 [ 1341.313614][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.313678][ T32] r4:82ac21e4 [ 1341.313700][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.313748][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.313801][ T32] r4:e044ddc0 [ 1341.313828][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.313878][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.313905][ T32] r4:00000000 [ 1341.313927][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.313979][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.314003][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.314054][ T32] r5:00001000 r4:ed353000 [ 1341.314105][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.314185][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.314239][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.314447][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.314506][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.314574][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.314700][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.314820][ T32] r4:84ab5800 [ 1341.314943][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.315037][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.315087][ T32] r4:00000001 [ 1341.315113][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.315154][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.315211][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.315256][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.315285][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.315319][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.315343][ T32] r4:84ab0640 [ 1341.315383][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.315493][ T32] INFO: task kworker/0:161:4922 blocked for more than 467 seconds. ** 7 printk messages dropped ** [ 1341.315994][ T32] r4:84a4ec00 ** 4 printk messages dropped ** [ 1341.316344][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4cde08 ** 8 printk messages dropped ** [ 1341.316848][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1341.317307][ T32] r7:dddced80 r6:83018000 r5:84b4c78c r4:8429e780 ** 5 printk messages dropped ** [ 1341.317571][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1341.317931][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1341.318846][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1341.319121][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 6 printk messages dropped ** [ 1341.348942][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1341.350298][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.350409][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.350460][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.350584][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.350662][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.350768][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.350828][ T32] r4:84ab5800 [ 1341.350879][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.350988][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.351046][ T32] r4:00000001 [ 1341.351111][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.351212][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.351287][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.351361][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.351432][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.351535][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.351612][ T32] r4:84ab0640 [ 1341.351690][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.351764][ T32] INFO: task kworker/0:162:4923 blocked for more than 467 seconds. [ 1341.351866][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.351937][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.352016][ T32] task:kworker/0:162 state:D stack:0 pid:4923 tgid:4923 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.352164][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.352301][ T32] Call trace: [ 1341.352410][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.352557][ T32] r10:8291a684 r9:eb4d1d84 r8:00000002 r7:60000113 r6:eb4d1d8c r5:84a4d400 [ 1341.352622][ T32] r4:84a4d400 [ 1341.352687][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.352794][ T32] r5:84a4d400 r4:8291a680 [ 1341.352878][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.353001][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.353097][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4d1e08 [ 1341.353147][ T32] r4:00000000 [ 1341.353191][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.353284][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.353373][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.353486][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848d7980 [ 1341.353547][ T32] r4:00000000 [ 1341.353597][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.353718][ T32] r9:83018005 r8:84a4d400 r7:00000000 r6:83018000 r5:00001000 r4:7f06d000 [ 1341.353778][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.353884][ T32] r5:00001000 r4:ea811000 [ 1341.353939][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.354075][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.354185][ T32] r5:84b4cb8c r4:84b4c800 [ 1341.354238][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.354365][ T32] r7:dddced80 r6:83018000 r5:84b4cb8c r4:8429e880 [ 1341.354429][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.354535][ T32] r10:61c88647 r9:84a4d400 r8:8429e8ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.354599][ T32] r4:8429e880 [ 1341.354686][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.354817][ T32] r10:00000000 r9:8429e880 r8:80287e08 r7:eb4cde60 r6:8429e900 r5:84a4d400 [ 1341.354881][ T32] r4:00000001 [ 1341.354931][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.355016][ T32] Exception stack(0xeb4d1fb0 to 0xeb4d1ff8) [ 1341.355087][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.355162][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.355243][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.355312][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.355366][ T32] r4:848d7cc0 [ 1341.356080][ T32] INFO: task kworker/0:162:4923 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 4 printk messages dropped ** [ 1341.356683][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1341.357442][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1341.358124][ T32] r5:85c0ff8c r4:85c0fc00 ** 4 printk messages dropped ** [ 1341.358435][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1341.358683][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 5 printk messages dropped ** [ 1341.358998][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1341.386107][ T32] r4:85598000 ** 4 printk messages dropped ** [ 1341.386365][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb3cde08 ** 8 printk messages dropped ** [ 1341.386785][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1341.386995][ T32] r5:84b4cf8c r4:84b4cc00 ** 3 printk messages dropped ** [ 1341.387178][ T32] r10:61c88647 r9:85598000 r8:8429e9ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 10 printk messages dropped ** [ 1341.387768][ T32] r4:848d7cc0 ** 3 printk messages dropped ** [ 1341.388492][ T32] Call trace: ** 6 printk messages dropped ** [ 1341.388968][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 9 printk messages dropped ** [ 1341.400326][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1341.400588][ T32] r5:00001000 r4:ed353000 [ 1341.400639][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.400701][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.400749][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.400771][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.400824][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.401041][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.401102][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.401128][ T32] r4:84ab5800 [ 1341.401255][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.401312][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.401338][ T32] r4:00000001 [ 1341.401374][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.401420][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.401510][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.401548][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.401579][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.401644][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.401675][ T32] r4:84ab0640 [ 1341.401717][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.401812][ T32] INFO: task kworker/0:164:4926 blocked for more than 467 seconds. [ 1341.401928][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.401959][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.401986][ T32] task:kworker/0:164 state:D stack:0 pid:4926 tgid:4926 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.402052][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.402100][ T32] Call trace: [ 1341.402162][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.402228][ T32] r10:8291a684 r9:eb4d5d84 r8:00000002 r7:60000113 r6:eb4d5d8c r5:85598c00 [ 1341.402256][ T32] r4:85598c00 [ 1341.402445][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.402497][ T32] r5:85598c00 r4:8291a680 [ 1341.402852][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.402935][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.402986][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4d5e08 [ 1341.403012][ T32] r4:00000000 [ 1341.403060][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.403130][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.403174][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.403218][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848d7b40 [ 1341.403242][ T32] r4:00000000 [ 1341.403265][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.403364][ T32] r9:83018005 r8:85598c00 r7:00000000 r6:83018000 r5:00001000 r4:7f071000 [ 1341.403393][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.403440][ T32] r5:00001000 r4:ea8ef000 [ 1341.403462][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.403503][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.403546][ T32] r5:84b4d38c r4:84b4d000 [ 1341.403569][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.403642][ T32] r7:dddced80 r6:83018000 r5:84b4d38c r4:8429ea80 [ 1341.403673][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.403724][ T32] r10:61c88647 r9:85598c00 r8:8429eaac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.403748][ T32] r4:8429ea80 [ 1341.403796][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.403849][ T32] r10:00000000 r9:8429ea80 r8:80287e08 r7:eb3cde60 r6:8429eb00 r5:85598c00 [ 1341.403901][ T32] r4:00000001 [ 1341.403953][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.404077][ T32] Exception stack(0xeb4d5fb0 to 0xeb4d5ff8) [ 1341.404111][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.404161][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.404195][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.404254][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.404346][ T32] r4:848d7cc0 [ 1341.404807][ T32] INFO: task kworker/0:164:4926 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.404908][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.404976][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1341.405454][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1341.405744][ T32] r4:82ac21e4 ** 3 printk messages dropped ** [ 1341.405919][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 9 printk messages dropped ** [ 1341.406394][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1341.406551][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.406601][ T32] r4:84ab5800 [ 1341.406626][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.406684][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.406708][ T32] r4:00000001 [ 1341.406786][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.406842][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.406913][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.407003][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.407062][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.407125][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.407161][ T32] r4:84ab0640 [ 1341.407183][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.407210][ T32] INFO: task kworker/0:165:4927 blocked for more than 467 seconds. [ 1341.407240][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.407266][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.407294][ T32] task:kworker/0:165 state:D stack:0 pid:4927 tgid:4927 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.407344][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.407388][ T32] Call trace: [ 1341.407422][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.407501][ T32] r10:8291a684 r9:eb4d9d84 r8:00000002 r7:60000013 r6:eb4d9d8c r5:85599800 [ 1341.407531][ T32] r4:85599800 [ 1341.407583][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.407640][ T32] r5:85599800 r4:8291a680 [ 1341.407681][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.407741][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.407790][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4d9e08 [ 1341.407814][ T32] r4:00000000 [ 1341.407835][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.407872][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.407910][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.407992][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84291a80 [ 1341.408022][ T32] r4:00000000 [ 1341.408061][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.408112][ T32] r9:83018005 r8:85599800 r7:00000000 r6:83018000 r5:00001000 r4:7f079000 [ 1341.408148][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.408196][ T32] r5:00001000 r4:eaaf3000 [ 1341.408217][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.408283][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.408332][ T32] r5:8552538c r4:85525000 [ 1341.408355][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.408432][ T32] r7:dddced80 r6:83018000 r5:8552538c r4:8429eb80 [ 1341.408468][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.408535][ T32] r10:61c88647 r9:85599800 r8:8429ebac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.408570][ T32] r4:8429eb80 [ 1341.408591][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.408672][ T32] r10:00000000 r9:8429eb80 r8:80287e08 r7:eb4d5e60 r6:8429ec00 r5:85599800 [ 1341.408701][ T32] r4:00000001 [ 1341.408722][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.408758][ T32] Exception stack(0xeb4d9fb0 to 0xeb4d9ff8) [ 1341.408829][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.408865][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1341.434962][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1341.435743][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1341.435970][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.436369][ T32] r5:85c0ff8c r4:85c0fc00 ** 3 printk messages dropped ** [ 1341.436539][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1341.436946][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1341.437471][ T32] Call trace: ** 6 printk messages dropped ** [ 1341.437884][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1341.438258][ T32] r9:83018205 r8:8559a400 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 ** 4 printk messages dropped ** [ 1341.438497][ T32] r5:85525b8c r4:85525800 ** 1 printk messages dropped ** [ 1341.438628][ T32] r7:ddde2d80 r6:83018200 r5:85525b8c r4:84608680 ** 4 printk messages dropped ** [ 1341.438850][ T32] r10:00000000 r9:84608680 r8:80287e08 r7:eb4b9e60 r6:8429ec80 r5:8559a400 ** 7 printk messages dropped ** [ 1341.439158][ T32] r4:84291e80 ** 4 printk messages dropped ** [ 1341.454258][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 6 printk messages dropped ** [ 1341.454507][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 8 printk messages dropped ** [ 1341.454858][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.455157][ T32] r5:85c0ff8c r4:85c0fc00 ** 4 printk messages dropped ** [ 1341.455367][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1341.455572][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 2 printk messages dropped ** [ 1341.455684][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.455719][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.455749][ T32] r4:84ab0640 [ 1341.455805][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.455842][ T32] INFO: task kworker/1:737:4931 blocked for more than 467 seconds. [ 1341.455881][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.455909][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.455932][ T32] task:kworker/1:737 state:D stack:0 pid:4931 tgid:4931 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.456011][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.456062][ T32] Call trace: [ 1341.456140][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.456197][ T32] r10:8291a684 r9:eb4e1d84 r8:00000002 r7:60000013 r6:eb4e1d8c r5:8559b000 [ 1341.456253][ T32] r4:8559b000 [ 1341.456364][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.456416][ T32] r5:8559b000 r4:8291a680 [ 1341.456466][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.456586][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.456672][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4e1e08 [ 1341.456703][ T32] r4:00000000 [ 1341.456740][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.456784][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.456831][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.456879][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84291700 [ 1341.456905][ T32] r4:00000000 [ 1341.456928][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.456975][ T32] r9:83018205 r8:8559b000 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 [ 1341.457025][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.457103][ T32] r5:00001000 r4:eacf1000 [ 1341.457129][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.457172][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.457216][ T32] r5:8552578c r4:85525400 [ 1341.457254][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.457309][ T32] r7:ddde2d80 r6:83018200 r5:8552578c r4:84608700 [ 1341.457338][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.457391][ T32] r10:61c88647 r9:8559b000 r8:8460872c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.457442][ T32] r4:84608700 [ 1341.457495][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.457547][ T32] r10:00000000 r9:84608700 r8:80287e08 r7:eb4dde60 r6:8429ed00 r5:8559b000 [ 1341.457600][ T32] r4:00000001 [ 1341.457624][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.457699][ T32] Exception stack(0xeb4e1fb0 to 0xeb4e1ff8) [ 1341.457733][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.457778][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.457837][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.457888][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.457917][ T32] r4:84291840 [ 1341.458230][ T32] INFO: task kworker/1:737:4931 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.458271][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.458356][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.458429][ T32] Call trace: [ 1341.458522][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.458582][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.458608][ T32] r4:00000000 [ 1341.458629][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.458691][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.458732][ T32] dd20: 9f256000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.458765][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.458793][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.458819][ T32] r5:800d0013 r4:80239bb0 [ 1341.458841][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.458916][ T32] r4:82ac21e4 [ 1341.458949][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.458996][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.459021][ T32] r4:e044ddc0 [ 1341.459042][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.459085][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.459166][ T32] r4:00000000 [ 1341.459197][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.459341][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.480166][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.480286][ T32] r5:00001000 r4:ed353000 [ 1341.480329][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.480387][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.480470][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.480554][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.480666][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.480696][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.480760][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.480846][ T32] r4:84ab5800 [ 1341.480931][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.481009][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 4 printk messages dropped ** [ 1341.481201][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1341.481740][ T32] Call trace: ** 6 printk messages dropped ** [ 1341.482113][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1341.482650][ T32] r5:00001000 r4:eab59000 ** 2 printk messages dropped ** [ 1341.482795][ T32] r5:84b4db8c r4:84b4d800 ** 3 printk messages dropped ** [ 1341.483010][ T32] r10:61c88647 r9:8559bc00 r8:8429edac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1341.483407][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1341.484487][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 13 printk messages dropped ** [ 1341.485083][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.485110][ T32] r4:00000000 [ 1341.485133][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.485181][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.485204][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.485247][ T32] r5:00001000 r4:ed353000 [ 1341.485268][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.485339][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.485416][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.485442][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.485492][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.485526][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.485576][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.485600][ T32] r4:84ab5800 [ 1341.485620][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.485674][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.485726][ T32] r4:00000001 [ 1341.485752][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.485836][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.485897][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.485959][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.485992][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.486023][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.486048][ T32] r4:84ab0640 [ 1341.486070][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.486124][ T32] INFO: task kworker/0:167:4934 blocked for more than 467 seconds. [ 1341.486187][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.486223][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.486246][ T32] task:kworker/0:167 state:D stack:0 pid:4934 tgid:4934 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.486295][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.486378][ T32] Call trace: [ 1341.486412][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.486487][ T32] r10:8291a684 r9:eb4e5d84 r8:00000002 r7:60000113 r6:eb4e5d8c r5:8559c800 [ 1341.486517][ T32] r4:8559c800 [ 1341.486541][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.486587][ T32] r5:8559c800 r4:8291a680 [ 1341.486607][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.486653][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.486724][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4e5e08 [ 1341.486753][ T32] r4:00000000 [ 1341.486787][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.486829][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.486880][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.486929][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849a3700 [ 1341.486954][ T32] r4:00000000 [ 1341.486975][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.487021][ T32] r9:83018005 r8:8559c800 r7:00000000 r6:83018000 r5:00001000 r4:7f0a3000 [ 1341.487051][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.487125][ T32] r5:00001000 r4:eb65f000 [ 1341.487170][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.487218][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.487268][ T32] r5:84b4e78c r4:84b4e400 [ 1341.487290][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.487358][ T32] r7:dddced80 r6:83018000 r5:84b4e78c r4:8429ee80 [ 1341.487386][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.487517][ T32] r10:61c88647 r9:8559c800 r8:8429eeac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.487599][ T32] r4:8429ee80 [ 1341.487630][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.487686][ T32] r10:00000000 r9:8429ee80 r8:80287e08 r7:eb3e9e60 r6:8429ef00 r5:8559c800 [ 1341.487710][ T32] r4:00000001 [ 1341.487730][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.487766][ T32] Exception stack(0xeb4e5fb0 to 0xeb4e5ff8) [ 1341.487821][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.487951][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.487984][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.488014][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.488037][ T32] r4:844652c0 [ 1341.488309][ T32] INFO: task kworker/0:167:4934 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.488349][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.488441][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.488544][ T32] Call trace: [ 1341.488641][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.488702][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 4 printk messages dropped ** [ 1341.489018][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 7 printk messages dropped ** [ 1341.504946][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1341.505352][ T32] r5:85c0ff8c r4:85c0fc00 ** 4 printk messages dropped ** [ 1341.505582][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1341.505739][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1341.506103][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1341.506344][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1341.506855][ T32] r5:8559d400 r4:8291a680 ** 3 printk messages dropped ** [ 1341.507098][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1341.507260][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1341.507537][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1341.507731][ T32] r7:dddced80 r6:83018000 r5:8552778c r4:8429ef80 ** 4 printk messages dropped ** [ 1341.508043][ T32] r10:00000000 r9:8429ef80 r8:80287e08 r7:eb4e5e60 r6:84467000 r5:8559d400 ** 9 printk messages dropped ** [ 1341.508804][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1341.527809][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1341.528109][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1341.528301][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.528376][ T32] r5:00001000 r4:ed353000 [ 1341.528404][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.528450][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.528496][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.528546][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.528599][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.528623][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.528681][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.528706][ T32] r4:84ab5800 [ 1341.528727][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.528775][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.528860][ T32] r4:00000001 [ 1341.528890][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.528931][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.528961][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.529019][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.529052][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.529110][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.529139][ T32] r4:84ab0640 [ 1341.529165][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.529200][ T32] INFO: task kworker/1:738:4939 blocked for more than 467 seconds. [ 1341.529322][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.532133][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.532179][ T32] task:kworker/1:738 state:D stack:0 pid:4939 tgid:4939 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.532295][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.532361][ T32] Call trace: [ 1341.532437][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.532529][ T32] r10:8291a684 r9:eb4f9d84 r8:00000002 r7:60000013 r6:eb4f9d8c r5:855a8000 [ 1341.532559][ T32] r4:855a8000 [ 1341.532610][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.532682][ T32] r5:855a8000 r4:8291a680 [ 1341.532710][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.532755][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.532800][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4f9e08 [ 1341.532824][ T32] r4:00000000 [ 1341.532844][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.532896][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.532941][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.532985][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84291a00 [ 1341.533017][ T32] r4:00000000 [ 1341.533040][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.533146][ T32] r9:83018205 r8:855a8000 r7:00000000 r6:83018200 r5:00001000 r4:7f081000 [ 1341.533175][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.533222][ T32] r5:00001000 r4:eaddd000 [ 1341.533244][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.533285][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.533346][ T32] r5:85525f8c r4:85525c00 [ 1341.533423][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.533477][ T32] r7:ddde2d80 r6:83018200 r5:85525f8c r4:84608780 [ 1341.533501][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.533550][ T32] r10:61c88647 r9:855a8000 r8:846087ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.533573][ T32] r4:84608780 [ 1341.533593][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.533646][ T32] r10:00000000 r9:84608780 r8:80287e08 r7:eb4dde60 r6:84467080 r5:855a8000 [ 1341.533671][ T32] r4:00000001 [ 1341.533692][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.533730][ T32] Exception stack(0xeb4f9fb0 to 0xeb4f9ff8) [ 1341.533759][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.533789][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.533835][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.533871][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.533912][ T32] r4:84291bc0 [ 1341.534352][ T32] INFO: task kworker/1:738:4939 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.534391][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.534481][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.534532][ T32] Call trace: [ 1341.534618][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.534697][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.534726][ T32] r4:00000000 [ 1341.534754][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.534801][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.534830][ T32] dd20: 9f8bd000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.534902][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.534935][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.534961][ T32] r5:800d0013 r4:80239bb0 [ 1341.534985][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.535029][ T32] r4:82ac21e4 ** 1 printk messages dropped ** [ 1341.535095][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 6 printk messages dropped ** [ 1341.535385][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 6 printk messages dropped ** [ 1341.535911][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.535963][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.536099][ T32] r4:84ab5800 [ 1341.536125][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.536203][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.536232][ T32] r4:00000001 [ 1341.536280][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.536350][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.536383][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.536444][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.536478][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.536554][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.536585][ T32] r4:84ab0640 [ 1341.536610][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.536648][ T32] INFO: task kworker/1:739:4941 blocked for more than 467 seconds. [ 1341.536687][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.536713][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.536737][ T32] task:kworker/1:739 state:D stack:0 pid:4941 tgid:4941 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1341.537198][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1341.537640][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1341.537807][ T32] r5:8552738c r4:85527000 ** 1 printk messages dropped ** [ 1341.537912][ T32] r7:ddde2d80 r6:83018200 r5:8552738c r4:84608800 ** 5 printk messages dropped ** [ 1341.538113][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1341.538259][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1341.539086][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1341.574568][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1341.575060][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.575719][ T32] r5:85c0ff8c r4:85c0fc00 ** 4 printk messages dropped ** [ 1341.576127][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1341.576589][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1341.577145][ T32] INFO: task kworker/1:740:4942 blocked for more than 467 seconds. ** 7 printk messages dropped ** [ 1341.577965][ T32] r4:855aa400 ** 5 printk messages dropped ** [ 1341.578528][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1341.578937][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1341.579100][ T32] r9:83018205 r8:855aa400 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1341.579183][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.590400][ T32] r5:00001000 r4:eae09000 [ 1341.590627][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.590799][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.590945][ T32] r5:8552638c r4:85526000 [ 1341.591012][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.591134][ T32] r7:ddde2d80 r6:83018200 r5:8552638c r4:84608880 [ 1341.591197][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.591353][ T32] r10:61c88647 r9:855aa400 r8:846088ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.591458][ T32] r4:84608880 [ 1341.591522][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.591677][ T32] r10:00000000 r9:84608880 r8:80287e08 r7:eb501e60 r6:84467180 r5:855aa400 [ 1341.591766][ T32] r4:00000001 [ 1341.591829][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.591930][ T32] Exception stack(0xeb505fb0 to 0xeb505ff8) [ 1341.592006][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.592084][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.592182][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.592284][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.592351][ T32] r4:84afbac0 [ 1341.593155][ T32] INFO: task kworker/1:740:4942 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.593274][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.593458][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.593579][ T32] Call trace: [ 1341.593678][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.593835][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.593928][ T32] r4:00000000 [ 1341.594005][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.594106][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.594179][ T32] dd20: 9fd25000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.594254][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.594321][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.594383][ T32] r5:800d0013 r4:80239bb0 [ 1341.594508][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.594631][ T32] r4:82ac21e4 [ 1341.594698][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.594808][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.594897][ T32] r4:e044ddc0 [ 1341.594973][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.595081][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.595163][ T32] r4:00000000 [ 1341.595230][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.595343][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.595403][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.595504][ T32] r5:00001000 r4:ed353000 [ 1341.595562][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.595675][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.595804][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.595891][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.596015][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.596076][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.596197][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.596260][ T32] r4:84ab5800 [ 1341.596331][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.596458][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.596543][ T32] r4:00000001 [ 1341.596619][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.596725][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.596816][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.596900][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.596980][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.597075][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.597146][ T32] r4:84ab0640 [ 1341.597206][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 5 printk messages dropped ** [ 1341.597796][ T32] Call trace: ** 6 printk messages dropped ** [ 1341.598485][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1341.634002][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1341.634232][ T32] r5:8552678c r4:85526400 ** 3 printk messages dropped ** [ 1341.634660][ T32] r10:61c88647 r9:855abc00 r8:8460892c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1341.635149][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1341.636396][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.637103][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1341.637721][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.637766][ T32] r5:00001000 r4:ed353000 [ 1341.637832][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.637885][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.637959][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.637986][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.638039][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.638062][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.638113][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.638164][ T32] r4:84ab5800 [ 1341.638191][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.638244][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.638269][ T32] r4:00000001 [ 1341.638325][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.638422][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.638487][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.638524][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.638555][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.638586][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.638679][ T32] r4:84ab0640 [ 1341.638710][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.638745][ T32] INFO: task kworker/1:742:4946 blocked for more than 468 seconds. [ 1341.638782][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.638920][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.639042][ T32] task:kworker/1:742 state:D stack:0 pid:4946 tgid:4946 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.639269][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.646975][ T32] Call trace: [ 1341.647119][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.647195][ T32] r10:8291a684 r9:eb4e9d84 r8:00000002 r7:60000013 r6:eb4e9d8c r5:84b50000 [ 1341.647222][ T32] r4:84b50000 [ 1341.647245][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.647319][ T32] r5:84b50000 r4:8291a680 ** 1 printk messages dropped ** [ 1341.647393][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1341.647852][ T32] r9:83018205 r8:84b50000 r7:00000000 r6:83018200 r5:00001000 r4:7f087000 ** 4 printk messages dropped ** [ 1341.648100][ T32] r5:85526b8c r4:85526800 [ 1341.648129][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1341.648352][ T32] r10:00000000 r9:84608980 r8:80287e08 r7:eb501e60 r6:84608a00 r5:84b50000 ** 9 printk messages dropped ** [ 1341.649195][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1341.660698][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1341.660900][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.661275][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1341.661653][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1341.662029][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1341.662212][ T32] task:kworker/1:743 state:D stack:0 pid:4948 tgid:4948 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1341.662887][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1341.663087][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.663643][ T32] r5:85526f8c r4:85526c00 ** 1 printk messages dropped ** [ 1341.663724][ T32] r7:ddde2d80 r6:83018200 r5:85526f8c r4:84608a80 ** 5 printk messages dropped ** [ 1341.664059][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1341.664419][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1341.665189][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1341.665779][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1341.665988][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1341.666475][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1341.666857][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1341.667190][ T32] INFO: task kworker/1:744:4951 blocked for more than 468 seconds. ** 7 printk messages dropped ** [ 1341.667801][ T32] r4:84b52400 ** 4 printk messages dropped ** [ 1341.668018][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb519e08 ** 2 printk messages dropped ** [ 1341.668134][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.668251][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.668302][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dac40 [ 1341.668358][ T32] r4:00000000 [ 1341.668384][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.668434][ T32] r9:83018205 r8:84b52400 r7:00000000 r6:83018200 r5:00001000 r4:7f093000 [ 1341.668485][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.668551][ T32] r5:00001000 r4:eb33d000 [ 1341.668575][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.668618][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.668670][ T32] r5:8551ab8c r4:8551a800 [ 1341.668692][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.668742][ T32] r7:ddde2d80 r6:83018200 r5:8551ab8c r4:84608b80 [ 1341.668792][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.668850][ T32] r10:61c88647 r9:84b52400 r8:84608bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.668904][ T32] r4:84608b80 [ 1341.668974][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.669029][ T32] r10:00000000 r9:84608b80 r8:80287e08 r7:eb501e60 r6:84608c00 r5:84b52400 [ 1341.669081][ T32] r4:00000001 [ 1341.669134][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.669177][ T32] Exception stack(0xeb519fb0 to 0xeb519ff8) [ 1341.669206][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.669287][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.692535][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.692603][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.692634][ T32] r4:848da500 [ 1341.693059][ T32] INFO: task kworker/1:744:4951 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.693101][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.693220][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.693288][ T32] Call trace: [ 1341.693323][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.693390][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.693416][ T32] r4:00000000 [ 1341.693473][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.693522][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.693553][ T32] dd20: a08ec000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.693584][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.693610][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.693640][ T32] r5:800d0013 r4:80239bb0 [ 1341.693663][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.693707][ T32] r4:82ac21e4 [ 1341.693730][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.693777][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.693802][ T32] r4:e044ddc0 [ 1341.693830][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.693890][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.693918][ T32] r4:00000000 [ 1341.693969][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.694025][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.694049][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.694096][ T32] r5:00001000 r4:ed353000 [ 1341.694117][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.694187][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.694245][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.694297][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.694367][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.694395][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.694449][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.694488][ T32] r4:84ab5800 [ 1341.694514][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.694565][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.694619][ T32] r4:00000001 [ 1341.694649][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.694692][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.694734][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.694768][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.694798][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.694830][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.694855][ T32] r4:84ab0640 [ 1341.694877][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.694931][ T32] INFO: task kworker/1:745:4952 blocked for more than 468 seconds. [ 1341.694972][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.695010][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.695037][ T32] task:kworker/1:745 state:D stack:0 pid:4952 tgid:4952 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.695086][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.695155][ T32] Call trace: [ 1341.695209][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.695260][ T32] r10:8291a684 r9:eb4f1d84 r8:00000002 r7:60000113 r6:eb4f1d8c r5:84b53000 [ 1341.695312][ T32] r4:84b53000 [ 1341.695355][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.695461][ T32] r5:84b53000 r4:8291a680 [ 1341.695516][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.695567][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.695613][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4f1e08 [ 1341.695647][ T32] r4:00000000 [ 1341.695671][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.695763][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.695824][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.695873][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848da980 [ 1341.695899][ T32] r4:00000000 [ 1341.695921][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.695968][ T32] r9:83018205 r8:84b53000 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1341.695990][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.696034][ T32] r5:00001000 r4:eb27d000 [ 1341.696055][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.696095][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.696140][ T32] r5:85527b8c r4:85527800 [ 1341.696160][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.696235][ T32] r7:ddde2d80 r6:83018200 r5:85527b8c r4:84608c80 ** 1 printk messages dropped ** [ 1341.696314][ T32] r10:61c88647 r9:84b53000 r8:84608cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1341.696620][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1341.697293][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1341.697604][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.697628][ T32] r5:800d0013 r4:80239bb0 [ 1341.697684][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.697733][ T32] r4:82ac21e4 [ 1341.697755][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.697800][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.697824][ T32] r4:e044ddc0 [ 1341.697869][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.697927][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.697981][ T32] r4:00000000 [ 1341.698087][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.698140][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.698218][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.698280][ T32] r5:00001000 r4:ed353000 [ 1341.698333][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.698377][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.698451][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.698476][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.698536][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.698560][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.698610][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.698686][ T32] r4:84ab5800 [ 1341.698767][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.698839][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.698922][ T32] r4:00000001 [ 1341.699025][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.699093][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.699152][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.699187][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.699231][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.699328][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.719908][ T32] r4:84ab0640 [ 1341.719973][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.720013][ T32] INFO: task kworker/1:746:4955 blocked for more than 468 seconds. [ 1341.720052][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.720079][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.720104][ T32] task:kworker/1:746 state:D stack:0 pid:4955 tgid:4955 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.720195][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.720303][ T32] Call trace: [ 1341.720347][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.720413][ T32] r10:8291a684 r9:eb51dd84 r8:00000002 r7:60000113 r6:eb51dd8c r5:84b53c00 [ 1341.720438][ T32] r4:84b53c00 [ 1341.720461][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.720563][ T32] r5:84b53c00 r4:8291a680 ** 2 printk messages dropped ** [ 1341.720695][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb51de08 ** 5 printk messages dropped ** [ 1341.720988][ T32] r4:00000000 [ 1341.721029][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.721088][ T32] r9:83018205 r8:84b53c00 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1341.721123][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.721175][ T32] r5:00001000 r4:eb309000 [ 1341.721227][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.721334][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.721394][ T32] r5:85527f8c r4:85527c00 [ 1341.721422][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.721479][ T32] r7:ddde2d80 r6:83018200 r5:85527f8c r4:84608d80 [ 1341.721504][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1341.721809][ T32] r10:00000000 r9:84608d80 r8:80287e08 r7:eb519e60 r6:84608e00 r5:84b53c00 ** 9 printk messages dropped ** [ 1341.722552][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1341.723062][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1341.723599][ T32] r5:00001000 r4:ed353000 ** 5 printk messages dropped ** [ 1341.723893][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1341.724230][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1341.724561][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1341.724905][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb529e08 ** 7 printk messages dropped ** [ 1341.725194][ T32] r9:83018005 r8:855ab000 r7:00000000 r6:83018000 r5:00001000 r4:7f063000 ** 6 printk messages dropped ** [ 1341.725561][ T32] r7:dddced80 r6:83018000 r5:84b4e38c r4:84467280 ** 5 printk messages dropped ** [ 1341.725760][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1341.726023][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1341.726722][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1341.726999][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1341.727373][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1341.727668][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1341.728028][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1341.728368][ T32] task:kworker/1:747 state:D stack:0 pid:4958 tgid:4958 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1341.728790][ T32] r5:855ac800 r4:8291a680 [ 1341.728811][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.728852][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.728897][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb52de08 [ 1341.728959][ T32] r4:00000000 [ 1341.728983][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.729020][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.729057][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.729099][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dad80 [ 1341.729122][ T32] r4:00000000 [ 1341.729143][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.729318][ T32] r9:83018205 r8:855ac800 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 [ 1341.750180][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.750289][ T32] r5:00001000 r4:eb391000 [ 1341.750317][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.750365][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.750412][ T32] r5:8553038c r4:85530000 [ 1341.750436][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.750489][ T32] r7:ddde2d80 r6:83018200 r5:8553038c r4:84608e80 [ 1341.750530][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.750589][ T32] r10:61c88647 r9:855ac800 r8:84608eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.750630][ T32] r4:84608e80 [ 1341.750752][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.750811][ T32] r10:00000000 r9:84608e80 r8:80287e08 r7:eb519e60 r6:84467380 r5:855ac800 [ 1341.750837][ T32] r4:00000001 [ 1341.750859][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.750959][ T32] Exception stack(0xeb52dfb0 to 0xeb52dff8) [ 1341.750998][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.751261][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.751300][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.751361][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.751392][ T32] r4:848da9c0 [ 1341.751881][ T32] INFO: task kworker/1:747:4958 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.751928][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.752009][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.752062][ T32] Call trace: [ 1341.752097][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.752155][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.752197][ T32] r4:00000000 [ 1341.752224][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.752297][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.752396][ T32] dd20: a0d8c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.752432][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.752476][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.752522][ T32] r5:800d0013 r4:80239bb0 [ 1341.752564][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.752677][ T32] r4:82ac21e4 [ 1341.752708][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.752757][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.752784][ T32] r4:e044ddc0 [ 1341.752834][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.752887][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.752913][ T32] r4:00000000 [ 1341.752963][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.753045][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.753074][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.753122][ T32] r5:00001000 r4:ed353000 [ 1341.753144][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.753187][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.753249][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.753306][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.753363][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.753388][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.753439][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1341.753549][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1341.753854][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1341.754088][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1341.754586][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1341.754957][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1341.755110][ T32] r5:8553078c r4:85530400 ** 3 printk messages dropped ** [ 1341.755281][ T32] r10:61c88647 r9:855ad400 r8:84608f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1341.755608][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1341.756255][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1341.756560][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 8 printk messages dropped ** [ 1341.756884][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1341.757240][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1341.757712][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1341.757956][ T32] INFO: task kworker/1:749:4963 blocked for more than 468 seconds. ** 7 printk messages dropped ** [ 1341.758362][ T32] r4:855ae000 ** 4 printk messages dropped ** [ 1341.758537][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb541e08 ** 7 printk messages dropped ** [ 1341.758955][ T32] r9:83018205 r8:855ae000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 4 printk messages dropped ** [ 1341.781814][ T32] r5:85531b8c r4:85531800 [ 1341.781921][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.782018][ T32] r7:ddde2d80 r6:83018200 r5:85531b8c r4:84608f80 [ 1341.782051][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.782129][ T32] r10:61c88647 r9:855ae000 r8:84608fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.782159][ T32] r4:84608f80 [ 1341.782181][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.782321][ T32] r10:00000000 r9:84608f80 r8:80287e08 r7:eb53de60 r6:84467480 r5:855ae000 [ 1341.782349][ T32] r4:00000001 [ 1341.782516][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.782560][ T32] Exception stack(0xeb541fb0 to 0xeb541ff8) [ 1341.782591][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.782621][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.782657][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.782688][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.782713][ T32] r4:848dae00 [ 1341.783127][ T32] INFO: task kworker/1:749:4963 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.783166][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.783239][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.783289][ T32] Call trace: [ 1341.783341][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.783399][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.783451][ T32] r4:00000000 [ 1341.783504][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.783552][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.783599][ T32] dd20: a0fdf000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.783634][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.783667][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.783719][ T32] r5:800d0013 r4:80239bb0 [ 1341.783746][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.783792][ T32] r4:82ac21e4 [ 1341.783813][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.783938][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.784049][ T32] r4:e044ddc0 [ 1341.784074][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.784146][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.784200][ T32] r4:00000000 [ 1341.784225][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.784329][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.784357][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.784404][ T32] r5:00001000 r4:ed353000 [ 1341.784441][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.784553][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.784605][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.784642][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.784698][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.784776][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.784837][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.784864][ T32] r4:84ab5800 [ 1341.784940][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.785072][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.785114][ T32] r4:00000001 [ 1341.785138][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.785182][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.785213][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.785243][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.785271][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.785301][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.785323][ T32] r4:84ab0640 [ 1341.785345][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.785376][ T32] INFO: task kworker/1:750:4965 blocked for more than 468 seconds. [ 1341.785490][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.785521][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.785556][ T32] task:kworker/1:750 state:D stack:0 pid:4965 tgid:4965 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.785611][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.785661][ T32] Call trace: [ 1341.785709][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.785760][ T32] r10:8291a684 r9:eb549d84 r8:00000002 r7:60000113 r6:eb549d8c r5:8559ec00 [ 1341.785811][ T32] r4:8559ec00 [ 1341.785890][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.785939][ T32] r5:8559ec00 r4:8291a680 [ 1341.785960][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.786002][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.786045][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb549e08 [ 1341.786068][ T32] r4:00000000 [ 1341.786087][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.786122][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.786157][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.786197][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848da6c0 [ 1341.786219][ T32] r4:00000000 [ 1341.786239][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.786283][ T32] r9:83018205 r8:8559ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1341.786306][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.786350][ T32] r5:00001000 r4:eb3d9000 [ 1341.786403][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.786448][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.786492][ T32] r5:85530b8c r4:85530800 [ 1341.786512][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.786586][ T32] r7:ddde2d80 r6:83018200 r5:85530b8c r4:84298000 [ 1341.786611][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.786666][ T32] r10:61c88647 r9:8559ec00 r8:8429802c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.786698][ T32] r4:84298000 [ 1341.786720][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.786767][ T32] r10:00000000 r9:84298000 r8:80287e08 r7:eb541e60 r6:84467500 r5:8559ec00 ** 2 printk messages dropped ** [ 1341.786891][ T32] Exception stack(0xeb549fb0 to 0xeb549ff8) ** 6 printk messages dropped ** [ 1341.787490][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1341.788085][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 7 printk messages dropped ** [ 1341.788480][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1341.788960][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1341.810154][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1341.810437][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1341.810858][ T32] Call trace: ** 4 printk messages dropped ** [ 1341.811117][ T32] r5:8559e000 r4:8291a680 ** 3 printk messages dropped ** [ 1341.811282][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1341.811579][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1341.811861][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.811973][ T32] r5:85530f8c r4:85530c00 [ 1341.812000][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.812094][ T32] r7:ddde2d80 r6:83018200 r5:85530f8c r4:84298080 [ 1341.812141][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.812196][ T32] r10:61c88647 r9:8559e000 r8:842980ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.812254][ T32] r4:84298080 [ 1341.812305][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.812403][ T32] r10:00000000 r9:84298080 r8:80287e08 r7:eb541e60 r6:84467580 r5:8559e000 [ 1341.812465][ T32] r4:00000001 [ 1341.812510][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.812552][ T32] Exception stack(0xeb54dfb0 to 0xeb54dff8) [ 1341.812581][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.812653][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.812687][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.812738][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.812780][ T32] r4:848dae80 [ 1341.813245][ T32] INFO: task kworker/1:751:4966 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.813343][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.813495][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.813578][ T32] Call trace: [ 1341.813616][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.813679][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.813703][ T32] r4:00000000 [ 1341.813723][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.813764][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.813793][ T32] dd20: a13f0000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.813836][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.813887][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.813918][ T32] r5:800d0013 r4:80239bb0 [ 1341.813941][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.813991][ T32] r4:82ac21e4 [ 1341.814015][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.814061][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.814101][ T32] r4:e044ddc0 [ 1341.814127][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.814193][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.814247][ T32] r4:00000000 [ 1341.814272][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.814336][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.814397][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.814464][ T32] r5:00001000 r4:ed353000 [ 1341.814490][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.814534][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.814660][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.814688][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.814741][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.814764][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.814815][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.814871][ T32] r4:84ab5800 [ 1341.814926][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.815007][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.815106][ T32] r4:00000001 [ 1341.815186][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.815268][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.815328][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.815394][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.815427][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1341.815649][ T32] task:kworker/1:752 state:D stack:0 pid:4968 tgid:4968 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1341.816036][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb559e08 ** 9 printk messages dropped ** [ 1341.816420][ T32] r5:00001000 r4:eb55b000 ** 2 printk messages dropped ** [ 1341.816643][ T32] r5:8553138c r4:85531000 [ 1341.816683][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1341.816851][ T32] r10:61c88647 r9:85560000 r8:8429812c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1341.817170][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1341.817757][ T32] Call trace: ** 4 printk messages dropped ** [ 1341.817966][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1341.818190][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1341.818440][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 10 printk messages dropped ** [ 1341.818922][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1341.840843][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1341.841263][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1341.841620][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1341.841883][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.842226][ T32] r5:8553178c r4:85531400 [ 1341.842279][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1341.842412][ T32] r10:61c88647 r9:85561800 r8:842981ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1341.843204][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1341.843973][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1341.844554][ T32] r4:82ac21e4 [ 1341.844578][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.844625][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.844726][ T32] r4:e044ddc0 [ 1341.844839][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.844949][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.844978][ T32] r4:00000000 [ 1341.845003][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.845154][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.845183][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.845231][ T32] r5:00001000 r4:ed353000 [ 1341.845255][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.845299][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.845346][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.845368][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.845447][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.845476][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.845527][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.845552][ T32] r4:84ab5800 [ 1341.845622][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.845798][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.845883][ T32] r4:00000001 [ 1341.845917][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.845975][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.846013][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.846120][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.846154][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.846271][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.846302][ T32] r4:84ab0640 [ 1341.846337][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.846369][ T32] INFO: task kworker/1:754:4972 blocked for more than 468 seconds. [ 1341.846403][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.846448][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.846503][ T32] task:kworker/1:754 state:D stack:0 pid:4972 tgid:4972 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.846602][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.846655][ T32] Call trace: [ 1341.846797][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.846850][ T32] r10:8291a684 r9:eb579d84 r8:00000002 r7:60000113 r6:eb579d8c r5:85560c00 [ 1341.846877][ T32] r4:85560c00 [ 1341.846900][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.846946][ T32] r5:85560c00 r4:8291a680 [ 1341.846967][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.847013][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.847117][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb579e08 [ 1341.847150][ T32] r4:00000000 [ 1341.847230][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.847289][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.847363][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.847415][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af8280 [ 1341.847440][ T32] r4:00000000 [ 1341.847640][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.847712][ T32] r9:83018205 r8:85560c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b1000 [ 1341.847740][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.847792][ T32] r5:00001000 r4:eb587000 [ 1341.847816][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.847858][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.847903][ T32] r5:85531f8c r4:85531c00 [ 1341.847923][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.847973][ T32] r7:ddde2d80 r6:83018200 r5:85531f8c r4:84298200 [ 1341.847995][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.848044][ T32] r10:61c88647 r9:85560c00 r8:8429822c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.848089][ T32] r4:84298200 [ 1341.848169][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.848223][ T32] r10:00000000 r9:84298200 r8:80287e08 r7:eb541e60 r6:84467700 r5:85560c00 [ 1341.848247][ T32] r4:00000001 [ 1341.848268][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.848304][ T32] Exception stack(0xeb579fb0 to 0xeb579ff8) [ 1341.848332][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.848397][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.848432][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.848463][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.848487][ T32] r4:84465840 [ 1341.848755][ T32] INFO: task kworker/1:754:4972 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.848792][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.848935][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.849002][ T32] Call trace: [ 1341.849173][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.849233][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.849259][ T32] r4:00000000 [ 1341.849402][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 2 printk messages dropped ** [ 1341.880049][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1341.880457][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1341.881169][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1341.881548][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1341.881848][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1341.882118][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1341.882553][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1341.883148][ T32] r9:83018205 r8:85563c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 ** 4 printk messages dropped ** [ 1341.883503][ T32] r5:8553238c r4:85532000 ** 3 printk messages dropped ** [ 1341.883658][ T32] r10:61c88647 r9:85563c00 r8:842982ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1341.883802][ T32] r10:00000000 r9:84298280 r8:80287e08 r7:eb579e60 r6:84467780 r5:85563c00 [ 1341.883854][ T32] r4:00000001 [ 1341.883908][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.883949][ T32] Exception stack(0xeb595fb0 to 0xeb595ff8) [ 1341.883977][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.884008][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.884063][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.884099][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.884123][ T32] r4:84af81c0 [ 1341.884573][ T32] INFO: task kworker/1:755:4975 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.884612][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.884681][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.884727][ T32] Call trace: [ 1341.884760][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.884831][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.884861][ T32] r4:00000000 [ 1341.884884][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.884925][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.884970][ T32] dd20: a1b34000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.885004][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.885031][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.885056][ T32] r5:800d0013 r4:80239bb0 [ 1341.885082][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.885129][ T32] r4:82ac21e4 [ 1341.885151][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.885195][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.885247][ T32] r4:e044ddc0 [ 1341.885273][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.885318][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.885367][ T32] r4:00000000 [ 1341.885397][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.885450][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.885474][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.885518][ T32] r5:00001000 r4:ed353000 [ 1341.885539][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.885739][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.885790][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.885813][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.885861][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.885884][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.885933][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.885956][ T32] r4:84ab5800 [ 1341.885978][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.886048][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.886161][ T32] r4:00000001 [ 1341.886295][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.886367][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.886432][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.886476][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.886506][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.886563][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.886602][ T32] r4:84ab0640 [ 1341.886698][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.886735][ T32] INFO: task kworker/1:756:4977 blocked for more than 468 seconds. [ 1341.886772][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.886798][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 2 printk messages dropped ** [ 1341.886921][ T32] Call trace: ** 4 printk messages dropped ** [ 1341.887090][ T32] r5:85563000 r4:8291a680 ** 3 printk messages dropped ** [ 1341.887243][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1341.887465][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.887837][ T32] r5:8553278c r4:85532400 [ 1341.887871][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.887926][ T32] r7:ddde2d80 r6:83018200 r5:8553278c r4:84298300 ** 1 printk messages dropped ** [ 1341.887997][ T32] r10:61c88647 r9:85563000 r8:8429832c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1341.888379][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1341.888954][ T32] Call trace: ** 6 printk messages dropped ** [ 1341.908580][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1341.909043][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 8 printk messages dropped ** [ 1341.909943][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1341.910294][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1341.910486][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1341.911131][ T32] r10:8291a684 r9:eb5add84 r8:00000002 r7:60000113 r6:eb5add8c r5:85564800 ** 8 printk messages dropped ** [ 1341.911490][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1341.911799][ T32] r5:00001000 r4:eb5af000 ** 2 printk messages dropped ** [ 1341.911913][ T32] r5:85532b8c r4:85532800 ** 3 printk messages dropped ** [ 1341.912058][ T32] r10:61c88647 r9:85564800 r8:842983ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1341.912319][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1341.912886][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.913191][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.913415][ T32] Call trace: [ 1341.913454][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.913512][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.913567][ T32] r4:00000000 [ 1341.913626][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.913680][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.913712][ T32] dd20: a1dbc000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.913745][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.913846][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.914119][ T32] r5:800d0013 r4:80239bb0 [ 1341.914147][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.914222][ T32] r4:82ac21e4 [ 1341.914249][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.914297][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.914381][ T32] r4:e044ddc0 [ 1341.914441][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.914491][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.914515][ T32] r4:00000000 [ 1341.914537][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.914586][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.914609][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.914661][ T32] r5:00001000 r4:ed353000 [ 1341.914685][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.914893][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.915046][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.915418][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.915474][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.915499][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.915568][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.915626][ T32] r4:84ab5800 [ 1341.915684][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.915741][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.915777][ T32] r4:00000001 [ 1341.915799][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.915839][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.915868][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.915931][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.915966][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.915998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.916078][ T32] r4:84ab0640 [ 1341.916104][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.916132][ T32] INFO: task kworker/1:758:4981 blocked for more than 468 seconds. [ 1341.916190][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.916220][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.916244][ T32] task:kworker/1:758 state:D stack:0 pid:4981 tgid:4981 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.916294][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.916455][ T32] Call trace: [ 1341.916524][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.916606][ T32] r10:8291a684 r9:eb5c1d84 r8:00000002 r7:60000013 r6:eb5c1d8c r5:85565400 [ 1341.916640][ T32] r4:85565400 [ 1341.916666][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.916714][ T32] r5:85565400 r4:8291a680 [ 1341.916736][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.916797][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.916878][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5c1e08 [ 1341.916909][ T32] r4:00000000 [ 1341.917021][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.917063][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.917124][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.917174][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af8840 [ 1341.917201][ T32] r4:00000000 [ 1341.917250][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.917304][ T32] r9:83018205 r8:85565400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b9000 [ 1341.917327][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1341.917552][ T32] r5:85532f8c r4:85532c00 [ 1341.917574][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.917625][ T32] r7:ddde2d80 r6:83018200 r5:85532f8c r4:84298400 ** 4 printk messages dropped ** [ 1341.917896][ T32] r10:00000000 r9:84298400 r8:80287e08 r7:eb5ade60 r6:84467900 r5:85565400 ** 7 printk messages dropped ** [ 1341.918466][ T32] r4:84af82c0 ** 4 printk messages dropped ** [ 1341.956183][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1341.956628][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1341.956887][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 2 printk messages dropped ** [ 1341.956988][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.957012][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.957060][ T32] r5:00001000 r4:ed353000 [ 1341.957080][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.957122][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.957167][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.957187][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.957235][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.957284][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.957340][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.957395][ T32] r4:84ab5800 [ 1341.957424][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.957474][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.957549][ T32] r4:00000001 [ 1341.957617][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.957667][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.957697][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.957727][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.957754][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.957811][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.957840][ T32] r4:84ab0640 [ 1341.957883][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.957969][ T32] INFO: task kworker/1:759:4983 blocked for more than 468 seconds. [ 1341.958012][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.958040][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.958065][ T32] task:kworker/1:759 state:D stack:0 pid:4983 tgid:4983 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.958123][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.958234][ T32] Call trace: [ 1341.958274][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.958352][ T32] r10:8291a684 r9:eb4b5d84 r8:00000002 r7:60000113 r6:eb4b5d8c r5:85566000 [ 1341.958378][ T32] r4:85566000 [ 1341.958400][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.958471][ T32] r5:85566000 r4:8291a680 [ 1341.958588][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.958642][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.958707][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4b5e08 [ 1341.958773][ T32] r4:00000000 [ 1341.958824][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.958867][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.958906][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.959001][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af89c0 [ 1341.959030][ T32] r4:00000000 [ 1341.959106][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.959169][ T32] r9:83018205 r8:85566000 r7:00000000 r6:83018200 r5:00001000 r4:7f00f000 [ 1341.959266][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.964801][ T32] r5:00001000 r4:df9fb000 [ 1341.964877][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.964949][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.964998][ T32] r5:8553338c r4:85533000 [ 1341.965020][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.965072][ T32] r7:ddde2d80 r6:83018200 r5:8553338c r4:84298480 [ 1341.965096][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.965147][ T32] r10:61c88647 r9:85566000 r8:842984ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.965171][ T32] r4:84298480 [ 1341.965191][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.965241][ T32] r10:00000000 r9:84298480 r8:80287e08 r7:eb5c1e60 r6:84467980 r5:85566000 [ 1341.965264][ T32] r4:00000001 [ 1341.965316][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.965362][ T32] Exception stack(0xeb4b5fb0 to 0xeb4b5ff8) [ 1341.965396][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.965426][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.965468][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.965504][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.965562][ T32] r4:84af8640 ** 1 printk messages dropped ** [ 1341.966055][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1341.966714][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1341.967316][ T32] r5:00001000 r4:ed353000 ** 6 printk messages dropped ** [ 1341.967705][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1341.968022][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1341.968267][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.968331][ T32] Call trace: [ 1341.968376][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1341.968430][ T32] r10:8291a684 r9:eb5c5d84 r8:00000002 r7:60000013 r6:eb5c5d8c r5:85562400 [ 1341.968469][ T32] r4:85562400 [ 1341.968496][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1341.968559][ T32] r5:85562400 r4:8291a680 [ 1341.968580][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.968622][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.968718][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5c5e08 [ 1341.968749][ T32] r4:00000000 [ 1341.968770][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1341.968808][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1341.968843][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.968887][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af8d40 [ 1341.968910][ T32] r4:00000000 [ 1341.968931][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.968984][ T32] r9:83018205 r8:85562400 r7:00000000 r6:83018200 r5:00001000 r4:7f02d000 [ 1341.969023][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.969074][ T32] r5:00001000 r4:dfff1000 [ 1341.969121][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.969196][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.984932][ T32] r5:85533f8c r4:85533c00 [ 1341.984988][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.985072][ T32] r7:ddde2d80 r6:83018200 r5:85533f8c r4:84298500 [ 1341.985098][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.985152][ T32] r10:61c88647 r9:85562400 r8:8429852c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.985197][ T32] r4:84298500 [ 1341.985430][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.985491][ T32] r10:00000000 r9:84298500 r8:80287e08 r7:eb4b5e60 r6:84467a00 r5:85562400 [ 1341.985518][ T32] r4:00000001 [ 1341.985541][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.985583][ T32] Exception stack(0xeb5c5fb0 to 0xeb5c5ff8) [ 1341.985615][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.985654][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.985685][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.985717][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.985743][ T32] r4:84af87c0 [ 1341.986253][ T32] INFO: task kworker/1:760:4985 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1341.986300][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.986380][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.986448][ T32] Call trace: [ 1341.986493][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1341.986554][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1341.986581][ T32] r4:00000000 [ 1341.986602][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.986654][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1341.986685][ T32] dd20: a231d000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1341.986718][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1341.986746][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1341.986772][ T32] r5:800d0013 r4:80239bb0 [ 1341.986794][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.986840][ T32] r4:82ac21e4 [ 1341.986862][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.986923][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1341.986954][ T32] r4:e044ddc0 [ 1341.986976][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1341.987022][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1341.987045][ T32] r4:00000000 [ 1341.987083][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1341.987159][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1341.987189][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1341.987236][ T32] r5:00001000 r4:ed353000 [ 1341.987258][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1341.987301][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.987347][ T32] r5:85c0ff8c r4:85c0fc00 [ 1341.987370][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1341.987422][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1341.987446][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1341.987497][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.987522][ T32] r4:84ab5800 [ 1341.987543][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1341.987592][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1341.987829][ T32] r4:00000001 [ 1341.987858][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.987899][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1341.987927][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.987957][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.988079][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.988116][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1341.988141][ T32] r4:84ab0640 [ 1341.988164][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.988195][ T32] INFO: task kworker/1:761:4986 blocked for more than 468 seconds. [ 1341.988247][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1341.988280][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.988304][ T32] task:kworker/1:761 state:D stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.988457][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.988520][ T32] Call trace: [ 1341.988558][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 1 printk messages dropped ** [ 1341.988662][ T32] r4:855aec00 ** 4 printk messages dropped ** [ 1341.988922][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5c9e08 ** 8 printk messages dropped ** [ 1342.004936][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.005011][ T32] r5:00001000 r4:dfa83000 [ 1342.005050][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.005102][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.005149][ T32] r5:8553378c r4:85533400 [ 1342.005171][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.005273][ T32] r7:ddde2d80 r6:83018200 r5:8553378c r4:84298580 [ 1342.005328][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.005387][ T32] r10:61c88647 r9:855aec00 r8:842985ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.005413][ T32] r4:84298580 [ 1342.005464][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.005522][ T32] r10:00000000 r9:84298580 r8:80287e08 r7:eb5c5e60 r6:84467a80 r5:855aec00 [ 1342.005547][ T32] r4:00000001 [ 1342.005568][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.005608][ T32] Exception stack(0xeb5c9fb0 to 0xeb5c9ff8) [ 1342.005649][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.005682][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.005726][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.005762][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.005786][ T32] r4:84af87c0 [ 1342.006207][ T32] INFO: task kworker/1:761:4986 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.006245][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.006356][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.006408][ T32] Call trace: [ 1342.006489][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.006547][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.006573][ T32] r4:00000000 [ 1342.006605][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 3 printk messages dropped ** [ 1342.006961][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 8 printk messages dropped ** [ 1342.007309][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1342.007669][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1342.008069][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 8 printk messages dropped ** [ 1342.008516][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1342.008905][ T32] r4:84610c00 ** 4 printk messages dropped ** [ 1342.009122][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5d5e08 ** 8 printk messages dropped ** [ 1342.021940][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1342.022053][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.022126][ T32] r5:85533b8c r4:85533800 [ 1342.022153][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.022205][ T32] r7:ddde2d80 r6:83018200 r5:85533b8c r4:84298600 [ 1342.022255][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.022323][ T32] r10:61c88647 r9:84610c00 r8:8429862c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.022351][ T32] r4:84298600 [ 1342.022374][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.022437][ T32] r10:00000000 r9:84298600 r8:80287e08 r7:eb5c5e60 r6:84467b00 r5:84610c00 [ 1342.022518][ T32] r4:00000001 [ 1342.022570][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.022615][ T32] Exception stack(0xeb5d5fb0 to 0xeb5d5ff8) [ 1342.022708][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1342.022746][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.022776][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.022808][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.022832][ T32] r4:84af88c0 [ 1342.023280][ T32] INFO: task kworker/1:762:4989 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.023328][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.023412][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.023496][ T32] Call trace: [ 1342.023533][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.023590][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.023615][ T32] r4:00000000 [ 1342.023673][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.023723][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.023753][ T32] dd20: a26a6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.023784][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.023812][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.023837][ T32] r5:800d0013 r4:80239bb0 [ 1342.023859][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.023903][ T32] r4:82ac21e4 [ 1342.023924][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.023967][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.023990][ T32] r4:e044ddc0 [ 1342.024026][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.024077][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.024129][ T32] r4:00000000 [ 1342.024155][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.024205][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.024253][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.024302][ T32] r5:00001000 r4:ed353000 [ 1342.024325][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.024368][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.024412][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.024460][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.024531][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.024585][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.024646][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.024674][ T32] r4:84ab5800 [ 1342.024694][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.024756][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.024800][ T32] r4:00000001 [ 1342.024824][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.024863][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.024891][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.024999][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.025032][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.025063][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.025089][ T32] r4:84ab0640 [ 1342.025126][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.025164][ T32] INFO: task kworker/1:763:4992 blocked for more than 468 seconds. ** 2 printk messages dropped ** [ 1342.025325][ T32] task:kworker/1:763 state:D stack:0 pid:4992 tgid:4992 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1342.025819][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1342.026052][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1342.026321][ T32] r5:8553478c r4:85534400 [ 1342.026343][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.026390][ T32] r7:ddde2d80 r6:83018200 r5:8553478c r4:84298680 ** 1 printk messages dropped ** [ 1342.026461][ T32] r10:61c88647 r9:84613000 r8:842986ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1342.026664][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1342.027171][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1342.027546][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1342.027829][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 6 printk messages dropped ** [ 1342.028089][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1342.028413][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1342.028693][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1342.028968][ T32] task:kworker/1:764 state:D stack:0 pid:4993 tgid:4993 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1342.050085][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1342.050372][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af8e40 ** 7 printk messages dropped ** [ 1342.050764][ T32] r5:8553438c r4:85534000 [ 1342.050800][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1342.050965][ T32] r10:61c88647 r9:84b54800 r8:8429872c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1342.051262][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1342.052025][ T32] Call trace: ** 5 printk messages dropped ** [ 1342.052352][ T32] dd20: a29cf000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 7 printk messages dropped ** [ 1342.052731][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1342.052920][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.052965][ T32] r5:00001000 r4:ed353000 [ 1342.052987][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.053028][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.053073][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.053094][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.053144][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.053169][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.053219][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.053325][ T32] r4:84ab5800 [ 1342.053351][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.053432][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.053461][ T32] r4:00000001 [ 1342.053509][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.053553][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.053583][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.053642][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.053680][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.053712][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.053766][ T32] r4:84ab0640 [ 1342.053793][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.053827][ T32] INFO: task kworker/1:765:4995 blocked for more than 468 seconds. [ 1342.053864][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.053892][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.053930][ T32] task:kworker/1:765 state:D stack:0 pid:4995 tgid:4995 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.054028][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.054074][ T32] Call trace: [ 1342.054186][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.054240][ T32] r10:8291a684 r9:eb5ddd84 r8:00000002 r7:60000113 r6:eb5ddd8c r5:84b56000 [ 1342.054265][ T32] r4:84b56000 [ 1342.054288][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.054333][ T32] r5:84b56000 r4:8291a680 [ 1342.054369][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.054474][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.054525][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5dde08 [ 1342.054578][ T32] r4:00000000 [ 1342.054604][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.054667][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.054710][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.054754][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84291fc0 [ 1342.054778][ T32] r4:00000000 [ 1342.054881][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.054963][ T32] r9:83018205 r8:84b56000 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 [ 1342.054991][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.055040][ T32] r5:00001000 r4:e8715000 [ 1342.055081][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.055157][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.055207][ T32] r5:85534b8c r4:85534800 [ 1342.055258][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.055314][ T32] r7:ddde2d80 r6:83018200 r5:85534b8c r4:84298800 [ 1342.055343][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.055423][ T32] r10:61c88647 r9:84b56000 r8:8429882c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.055480][ T32] r4:84298800 [ 1342.055536][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.055596][ T32] r10:00000000 r9:84298800 r8:80287e08 r7:eb5e1e60 r6:84298880 r5:84b56000 [ 1342.055641][ T32] r4:00000001 [ 1342.055675][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.055771][ T32] Exception stack(0xeb5ddfb0 to 0xeb5ddff8) [ 1342.055806][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.055839][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.055868][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.055900][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.055925][ T32] r4:84af8dc0 [ 1342.056222][ T32] INFO: task kworker/1:765:4995 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.056263][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.056353][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.056409][ T32] Call trace: [ 1342.056442][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.056497][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.056568][ T32] r4:00000000 [ 1342.056594][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.056646][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.056707][ T32] dd20: a29cf000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.056771][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.056805][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.056832][ T32] r5:800d0013 r4:80239bb0 [ 1342.056853][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.056927][ T32] r4:82ac21e4 [ 1342.056955][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.057008][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.057036][ T32] r4:e044ddc0 [ 1342.057058][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.057224][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 2 printk messages dropped ** [ 1342.057325][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 8 printk messages dropped ** [ 1342.057694][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1342.057949][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1342.058244][ T32] INFO: task kworker/1:766:4998 blocked for more than 468 seconds. ** 7 printk messages dropped ** [ 1342.058873][ T32] r4:84b56c00 ** 4 printk messages dropped ** [ 1342.059122][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5e5e08 ** 8 printk messages dropped ** [ 1342.090027][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1342.090217][ T32] r5:85534f8c r4:85534c00 ** 2 printk messages dropped ** [ 1342.090366][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 5 printk messages dropped ** [ 1342.090602][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1342.091312][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1342.091811][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.091843][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.091898][ T32] r5:800d0013 r4:80239bb0 [ 1342.091924][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.092040][ T32] r4:82ac21e4 [ 1342.092067][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.092116][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.092140][ T32] r4:e044ddc0 [ 1342.092160][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.092229][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.092257][ T32] r4:00000000 [ 1342.092334][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.092388][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.092412][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.092459][ T32] r5:00001000 r4:ed353000 [ 1342.092480][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.092627][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.092765][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.092841][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.092897][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.092921][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.093129][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.093159][ T32] r4:84ab5800 [ 1342.093181][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.093231][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.093280][ T32] r4:00000001 [ 1342.093335][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.093449][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.093489][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.093520][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.093589][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.093625][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.093655][ T32] r4:84ab0640 [ 1342.093678][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.093767][ T32] INFO: task kworker/1:767:4999 blocked for more than 468 seconds. [ 1342.093814][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.093842][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.093865][ T32] task:kworker/1:767 state:D stack:0 pid:4999 tgid:4999 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.093944][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.094020][ T32] Call trace: [ 1342.094055][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.094106][ T32] r10:8291a684 r9:eb5e9d84 r8:00000002 r7:60000113 r6:eb5e9d8c r5:84b55400 [ 1342.094129][ T32] r4:84b55400 [ 1342.094216][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.094268][ T32] r5:84b55400 r4:8291a680 [ 1342.094289][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.094329][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.094402][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5e9e08 [ 1342.094431][ T32] r4:00000000 [ 1342.094454][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.094495][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.094533][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.094590][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85517640 [ 1342.094617][ T32] r4:00000000 [ 1342.094644][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.094693][ T32] r9:83018205 r8:84b55400 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 [ 1342.094716][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.094888][ T32] r5:00001000 r4:eac49000 [ 1342.094914][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.094957][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.095000][ T32] r5:85535b8c r4:85535800 [ 1342.095094][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1342.095300][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1342.095794][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1342.096465][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1342.097063][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.097277][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1342.098117][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1342.098427][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1342.098812][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1342.122507][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1342.123068][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1342.123298][ T32] r5:8553538c r4:85535000 [ 1342.123320][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.123371][ T32] r7:ddde2d80 r6:83018200 r5:8553538c r4:84298b00 [ 1342.123394][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.123444][ T32] r10:61c88647 r9:84b51800 r8:84298b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.123469][ T32] r4:84298b00 [ 1342.123490][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.123588][ T32] r10:00000000 r9:84298b00 r8:80287e08 r7:eb5e9e60 r6:84298b80 r5:84b51800 [ 1342.123619][ T32] r4:00000001 [ 1342.123672][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.123720][ T32] Exception stack(0xeb5edfb0 to 0xeb5edff8) [ 1342.123754][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.123787][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.123872][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.123910][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.123935][ T32] r4:85517040 [ 1342.124431][ T32] INFO: task kworker/1:768:5000 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.124523][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.124652][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.124708][ T32] Call trace: [ 1342.124768][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.124833][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.124913][ T32] r4:00000000 [ 1342.125019][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.125123][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.125167][ T32] dd20: a3230000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.125199][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.125230][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.125256][ T32] r5:800d0013 r4:80239bb0 [ 1342.125332][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.125425][ T32] r4:82ac21e4 [ 1342.125481][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.125560][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.125590][ T32] r4:e044ddc0 [ 1342.125613][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.125692][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.125729][ T32] r4:00000000 [ 1342.125753][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.125805][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.125828][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.125874][ T32] r5:00001000 r4:ed353000 [ 1342.125910][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.125959][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.126008][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.126031][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.126084][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.126108][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.126224][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.126345][ T32] r4:84ab5800 [ 1342.126370][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.126424][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.126459][ T32] r4:00000001 [ 1342.126481][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.126520][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.126550][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.126610][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.126677][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.126714][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.126767][ T32] r4:84ab0640 [ 1342.126795][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.126848][ T32] INFO: task kworker/1:769:5003 blocked for more than 468 seconds. [ 1342.126892][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.126920][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.126943][ T32] task:kworker/1:769 state:D stack:0 pid:5003 tgid:5003 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.126992][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.127072][ T32] Call trace: [ 1342.127107][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 1 printk messages dropped ** [ 1342.127221][ T32] r4:85568000 [ 1342.127248][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.127298][ T32] r5:85568000 r4:8291a680 [ 1342.127319][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.127359][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.127434][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5f1e08 [ 1342.127463][ T32] r4:00000000 [ 1342.127538][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.127580][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.127621][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.127676][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85517500 [ 1342.127702][ T32] r4:00000000 [ 1342.127794][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.127848][ T32] r9:83018205 r8:85568000 r7:00000000 r6:83018200 r5:00001000 r4:7f039000 [ 1342.127873][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.127919][ T32] r5:00001000 r4:eaa3b000 [ 1342.127939][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.128035][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.128116][ T32] r5:8553578c r4:85535400 [ 1342.128142][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.128207][ T32] r7:ddde2d80 r6:83018200 r5:8553578c r4:84298c00 [ 1342.128259][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.128314][ T32] r10:61c88647 r9:85568000 r8:84298c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1342.128547][ T32] Exception stack(0xeb5f1fb0 to 0xeb5f1ff8) ** 6 printk messages dropped ** [ 1342.129095][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1342.152571][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1342.152820][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1342.153128][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1342.153337][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 6 printk messages dropped ** [ 1342.153573][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 4 printk messages dropped ** [ 1342.153759][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.153783][ T32] r4:84ab0640 [ 1342.153808][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.153842][ T32] INFO: task kworker/1:770:5006 blocked for more than 468 seconds. [ 1342.153878][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.153905][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.153930][ T32] task:kworker/1:770 state:D stack:0 pid:5006 tgid:5006 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.154012][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.154063][ T32] Call trace: [ 1342.154098][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.154178][ T32] r10:8291a684 r9:eb5f9d84 r8:00000002 r7:60000113 r6:eb5f9d8c r5:85568c00 [ 1342.154218][ T32] r4:85568c00 [ 1342.154269][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.154320][ T32] r5:85568c00 r4:8291a680 [ 1342.154342][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.154383][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.154435][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5f9e08 [ 1342.154461][ T32] r4:00000000 [ 1342.154482][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.154519][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.154556][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.154600][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855177c0 [ 1342.154641][ T32] r4:00000000 [ 1342.154673][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.154724][ T32] r9:83018205 r8:85568c00 r7:00000000 r6:83018200 r5:00001000 r4:7f03d000 [ 1342.154748][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.154793][ T32] r5:00001000 r4:eac95000 [ 1342.154815][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.154872][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.154925][ T32] r5:85535f8c r4:85535c00 [ 1342.154946][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.154994][ T32] r7:ddde2d80 r6:83018200 r5:85535f8c r4:84298d00 [ 1342.155016][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.155065][ T32] r10:61c88647 r9:85568c00 r8:84298d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.155090][ T32] r4:84298d00 [ 1342.155110][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.155190][ T32] r10:00000000 r9:84298d00 r8:80287e08 r7:eb5e9e60 r6:84298d80 r5:85568c00 [ 1342.155221][ T32] r4:00000001 [ 1342.155244][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.155350][ T32] Exception stack(0xeb5f9fb0 to 0xeb5f9ff8) [ 1342.155384][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.155416][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.155445][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.155477][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.155501][ T32] r4:855174c0 [ 1342.155971][ T32] INFO: task kworker/1:770:5006 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.156012][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.156107][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.156159][ T32] Call trace: [ 1342.156264][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.156336][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.156368][ T32] r4:00000000 [ 1342.156390][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 3 printk messages dropped ** [ 1342.156576][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1342.156977][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 7 printk messages dropped ** [ 1342.157373][ T32] r5:85c0ff8c r4:85c0fc00 ** 5 printk messages dropped ** [ 1342.157647][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.157755][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.157785][ T32] r4:00000001 [ 1342.157807][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.157847][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.157876][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.157906][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.157935][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.157968][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.157998][ T32] r4:84ab0640 [ 1342.158023][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.158069][ T32] INFO: task kworker/1:771:5007 blocked for more than 468 seconds. [ 1342.158104][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.158130][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.158153][ T32] task:kworker/1:771 state:D stack:0 pid:5007 tgid:5007 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.158202][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.158246][ T32] Call trace: [ 1342.158337][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.158400][ T32] r10:8291a684 r9:eb525d84 r8:00000002 r7:60000113 r6:eb525d8c r5:85569800 [ 1342.158430][ T32] r4:85569800 [ 1342.158452][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.158500][ T32] r5:85569800 r4:8291a680 [ 1342.158521][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.158561][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.158606][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb525e08 [ 1342.158630][ T32] r4:00000000 [ 1342.158657][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.158695][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.158839][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.158894][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85517980 [ 1342.158948][ T32] r4:00000000 [ 1342.158983][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.159034][ T32] r9:83018205 r8:85569800 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000 [ 1342.159059][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.159104][ T32] r5:00001000 r4:eae31000 [ 1342.159141][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.159188][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.159298][ T32] r5:8553638c r4:85536000 [ 1342.182083][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1342.182343][ T32] r10:61c88647 r9:85569800 r8:84298e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1342.182751][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1342.183556][ T32] Call trace: ** 4 printk messages dropped ** [ 1342.183875][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1342.184115][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.184362][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1342.184898][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1342.185232][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1342.185528][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1342.185811][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1342.186329][ T32] r9:83018205 r8:8556a400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 ** 4 printk messages dropped ** [ 1342.186584][ T32] r5:8553678c r4:85536400 ** 3 printk messages dropped ** [ 1342.186736][ T32] r10:61c88647 r9:8556a400 r8:84298f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1342.187105][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1342.187638][ T32] Call trace: ** 5 printk messages dropped ** [ 1342.187935][ T32] dd20: a3845000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 7 printk messages dropped ** [ 1342.188229][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1342.188436][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1342.188867][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1342.189090][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 7 printk messages dropped ** [ 1342.210360][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 9 printk messages dropped ** [ 1342.210947][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 5 printk messages dropped ** [ 1342.211231][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.211280][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85517dc0 [ 1342.211306][ T32] r4:00000000 [ 1342.211330][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.211460][ T32] r9:83018205 r8:8556b000 r7:00000000 r6:83018200 r5:00001000 r4:7f045000 [ 1342.211491][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.211546][ T32] r5:00001000 r4:eaf07000 [ 1342.211570][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.211619][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.211681][ T32] r5:85536f8c r4:85536c00 [ 1342.211706][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.211764][ T32] r7:ddde2d80 r6:83018200 r5:85536f8c r4:84625000 [ 1342.211789][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.211870][ T32] r10:61c88647 r9:8556b000 r8:8462502c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.211902][ T32] r4:84625000 [ 1342.211925][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.211985][ T32] r10:00000000 r9:84625000 r8:80287e08 r7:eb5fde60 r6:84625080 r5:8556b000 [ 1342.212012][ T32] r4:00000001 [ 1342.212039][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.212081][ T32] Exception stack(0xeb601fb0 to 0xeb601ff8) [ 1342.212142][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.212205][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.212239][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.212270][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.212294][ T32] r4:85517940 [ 1342.212777][ T32] INFO: task kworker/1:773:5011 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.212818][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.212881][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.212952][ T32] Call trace: [ 1342.212986][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.213042][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.213068][ T32] r4:00000000 [ 1342.213144][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.213200][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.213232][ T32] dd20: a3b4c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.213263][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.213290][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.213342][ T32] r5:800d0013 r4:80239bb0 [ 1342.213370][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.213450][ T32] r4:82ac21e4 [ 1342.213478][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.213555][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.213584][ T32] r4:e044ddc0 [ 1342.213619][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.213677][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.213702][ T32] r4:00000000 [ 1342.213723][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.213773][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.213797][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.213841][ T32] r5:00001000 r4:ed353000 [ 1342.213863][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.213934][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.213992][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.214016][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.214080][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.214107][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.214159][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.214184][ T32] r4:84ab5800 [ 1342.214233][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 4 printk messages dropped ** [ 1342.214433][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1342.214806][ T32] task:kworker/1:774 state:D stack:0 pid:5013 tgid:5013 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1342.215472][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb609e08 ** 7 printk messages dropped ** [ 1342.215876][ T32] r9:83018205 r8:8556c800 r7:00000000 r6:83018200 r5:00001000 r4:7f043000 ** 4 printk messages dropped ** [ 1342.216166][ T32] r5:85536b8c r4:85536800 ** 4 printk messages dropped ** [ 1342.216511][ T32] r4:84625100 [ 1342.216538][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.216588][ T32] r10:00000000 r9:84625100 r8:80287e08 r7:eb601e60 r6:84625180 r5:8556c800 [ 1342.216611][ T32] r4:00000001 [ 1342.216648][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.216719][ T32] Exception stack(0xeb609fb0 to 0xeb609ff8) [ 1342.216757][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.216912][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.217054][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.217091][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.217116][ T32] r4:85517b00 [ 1342.217378][ T32] INFO: task kworker/1:774:5013 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.217417][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.217535][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.217643][ T32] Call trace: [ 1342.217688][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.217743][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.217770][ T32] r4:00000000 [ 1342.217790][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.217830][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.217887][ T32] dd20: a3b4c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.217927][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.218014][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.218045][ T32] r5:800d0013 r4:80239bb0 [ 1342.218067][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.218139][ T32] r4:82ac21e4 [ 1342.218197][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.218265][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.218315][ T32] r4:e044ddc0 [ 1342.218359][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.218440][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.218470][ T32] r4:00000000 [ 1342.218500][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.218551][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.218575][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.218618][ T32] r5:00001000 r4:ed353000 [ 1342.218645][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.218689][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.218735][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.218783][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.218854][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.218883][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.218934][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.218962][ T32] r4:84ab5800 [ 1342.218983][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.219059][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.219089][ T32] r4:00000001 [ 1342.219110][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.219169][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 1 printk messages dropped ** [ 1342.219333][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1342.245356][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1342.245892][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1342.246309][ T32] r5:00001000 r4:eb047000 ** 2 printk messages dropped ** [ 1342.246440][ T32] r5:85537b8c r4:85537800 [ 1342.246466][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1342.246610][ T32] r10:61c88647 r9:8556d400 r8:8462522c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1342.246846][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1342.247641][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1342.247965][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.248217][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 2 printk messages dropped ** [ 1342.248310][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.248332][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.248383][ T32] r5:00001000 r4:ed353000 [ 1342.248405][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.248446][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.248489][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.248532][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.248583][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.248608][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.248710][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.248739][ T32] r4:84ab5800 [ 1342.248787][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.248841][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.248866][ T32] r4:00000001 [ 1342.248912][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.248954][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.248981][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.249010][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.249037][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.249067][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.249090][ T32] r4:84ab0640 [ 1342.249110][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.249137][ T32] INFO: task kworker/1:776:5017 blocked for more than 468 seconds. [ 1342.249174][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.249202][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.249290][ T32] task:kworker/1:776 state:D stack:0 pid:5017 tgid:5017 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.259798][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.259901][ T32] Call trace: [ 1342.259970][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.260037][ T32] r10:8291a684 r9:eb611d84 r8:00000002 r7:60000013 r6:eb611d8c r5:8556ec00 [ 1342.260114][ T32] r4:8556ec00 [ 1342.260142][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.260193][ T32] r5:8556ec00 r4:8291a680 [ 1342.260214][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.260256][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.260301][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb611e08 [ 1342.260325][ T32] r4:00000000 [ 1342.260379][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.260422][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.260466][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.260549][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8429be00 [ 1342.260598][ T32] r4:00000000 [ 1342.260624][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.260678][ T32] r9:83018205 r8:8556ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1342.260704][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.260751][ T32] r5:00001000 r4:eaf45000 [ 1342.260773][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.260818][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.260865][ T32] r5:8553738c r4:85537000 [ 1342.260887][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.260965][ T32] r7:ddde2d80 r6:83018200 r5:8553738c r4:84625300 [ 1342.261102][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.261178][ T32] r10:61c88647 r9:8556ec00 r8:8462532c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.261207][ T32] r4:84625300 [ 1342.261230][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.261281][ T32] r10:00000000 r9:84625300 r8:80287e08 r7:eb60de60 r6:84625380 r5:8556ec00 [ 1342.261306][ T32] r4:00000001 [ 1342.261327][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.261380][ T32] Exception stack(0xeb611fb0 to 0xeb611ff8) [ 1342.261413][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.261444][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.261497][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.261560][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.261589][ T32] r4:8429b680 [ 1342.262007][ T32] INFO: task kworker/1:776:5017 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.262047][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1342.262317][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1342.262987][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1342.263096][ T32] r4:e044ddc0 [ 1342.263140][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.263289][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.263320][ T32] r4:00000000 [ 1342.263378][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.263444][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.263467][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.263516][ T32] r5:00001000 r4:ed353000 [ 1342.263540][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.263624][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.263676][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.263698][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.263747][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.263769][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.263819][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.263928][ T32] r4:84ab5800 [ 1342.263980][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.264032][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.264057][ T32] r4:00000001 [ 1342.264077][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.264116][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.264144][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.264198][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.264246][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.264280][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.264320][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1342.264553][ T32] task:kworker/1:777 state:D stack:0 pid:5019 tgid:5019 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1342.264954][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb615e08 ** 8 printk messages dropped ** [ 1342.265247][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1342.265441][ T32] r5:8553778c r4:85537400 ** 2 printk messages dropped ** [ 1342.265565][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1342.265758][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1342.265973][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1342.266548][ T32] Call trace: ** 5 printk messages dropped ** [ 1342.266807][ T32] dd20: a41bb000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 10 printk messages dropped ** [ 1342.267288][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1342.267773][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1342.268033][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1342.268251][ T32] r4:84ab0640 ** 7 printk messages dropped ** [ 1342.268918][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 4 printk messages dropped ** [ 1342.269338][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.300034][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.300149][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb619e08 [ 1342.300181][ T32] r4:00000000 [ 1342.300208][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.300253][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.300333][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.300400][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84469a40 [ 1342.300430][ T32] r4:00000000 [ 1342.300485][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.300570][ T32] r9:83018205 r8:85570c00 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 [ 1342.300659][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.300724][ T32] r5:00001000 r4:eb0f7000 [ 1342.300751][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.300830][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.300894][ T32] r5:8554078c r4:85540400 [ 1342.300919][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.300977][ T32] r7:ddde2d80 r6:83018200 r5:8554078c r4:84625500 [ 1342.301083][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.301194][ T32] r10:61c88647 r9:85570c00 r8:8462552c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.301297][ T32] r4:84625500 [ 1342.301375][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.301446][ T32] r10:00000000 r9:84625500 r8:80287e08 r7:eb60de60 r6:84625580 r5:85570c00 [ 1342.301474][ T32] r4:00000001 [ 1342.301583][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.301633][ T32] Exception stack(0xeb619fb0 to 0xeb619ff8) [ 1342.301697][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.301734][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.301772][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.301827][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.301855][ T32] r4:84469000 [ 1342.302290][ T32] INFO: task kworker/1:778:5021 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.302424][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.302543][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.302658][ T32] Call trace: [ 1342.302804][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.302890][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.302921][ T32] r4:00000000 [ 1342.302969][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.303017][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.303048][ T32] dd20: a4708000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.303080][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.303108][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.303133][ T32] r5:800d0013 r4:80239bb0 [ 1342.303184][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.303233][ T32] r4:82ac21e4 [ 1342.303256][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.303301][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.303325][ T32] r4:e044ddc0 [ 1342.303349][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.303438][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.303468][ T32] r4:00000000 [ 1342.303489][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.303545][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.303570][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.303638][ T32] r5:00001000 r4:ed353000 [ 1342.303720][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.303774][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.303823][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.303883][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.303939][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.304004][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1342.304275][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1342.304698][ T32] INFO: task kworker/1:779:5023 blocked for more than 468 seconds. ** 7 printk messages dropped ** [ 1342.305279][ T32] r4:85570000 ** 2 printk messages dropped ** [ 1342.305375][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.305449][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.305499][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb61de08 [ 1342.305523][ T32] r4:00000000 [ 1342.305543][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.305578][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.305614][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.305658][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84469600 [ 1342.305683][ T32] r4:00000000 [ 1342.305958][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.306012][ T32] r9:83018205 r8:85570000 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 [ 1342.306038][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.306103][ T32] r5:00001000 r4:eb0bb000 [ 1342.306128][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.306172][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.306273][ T32] r5:85537f8c r4:85537c00 [ 1342.306316][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.306378][ T32] r7:ddde2d80 r6:83018200 r5:85537f8c r4:84625600 [ 1342.306430][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.306486][ T32] r10:61c88647 r9:85570000 r8:8462562c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.306511][ T32] r4:84625600 [ 1342.306531][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.306580][ T32] r10:00000000 r9:84625600 r8:80287e08 r7:eb619e60 r6:84625680 r5:85570000 [ 1342.306603][ T32] r4:00000001 [ 1342.306624][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.306660][ T32] Exception stack(0xeb61dfb0 to 0xeb61dff8) [ 1342.306688][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.306745][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.306779][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.306811][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.306891][ T32] r4:844690c0 [ 1342.307279][ T32] INFO: task kworker/1:779:5023 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 1 printk messages dropped ** [ 1342.307404][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1342.307820][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1342.308092][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.308421][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 7 printk messages dropped ** [ 1342.308951][ T32] r5:85c0ff8c r4:85c0fc00 ** 4 printk messages dropped ** [ 1342.309138][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1342.331707][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1342.331864][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1342.332177][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1342.332545][ T32] r5:85572400 r4:8291a680 ** 3 printk messages dropped ** [ 1342.332776][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1342.332914][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84469900 ** 7 printk messages dropped ** [ 1342.333268][ T32] r5:8554038c r4:85540000 [ 1342.333288][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1342.333592][ T32] r10:00000000 r9:84625700 r8:80287e08 r7:eb619e60 r6:84625780 r5:85572400 ** 6 printk messages dropped ** [ 1342.333785][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1342.334590][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1342.334821][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1342.334994][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1342.335244][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1342.335600][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1342.335892][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1342.336081][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1342.336326][ T32] r5:85571800 r4:8291a680 ** 3 printk messages dropped ** [ 1342.336476][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1342.336652][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84469c00 ** 7 printk messages dropped ** [ 1342.336912][ T32] r5:85540b8c r4:85540800 ** 1 printk messages dropped ** [ 1342.337027][ T32] r7:ddde2d80 r6:83018200 r5:85540b8c r4:84625800 ** 4 printk messages dropped ** [ 1342.337208][ T32] r10:00000000 r9:84625800 r8:80287e08 r7:eb619e60 r6:84625880 r5:85571800 ** 8 printk messages dropped ** [ 1342.337687][ T32] INFO: task kworker/1:781:5027 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 7 printk messages dropped ** [ 1342.338113][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.338142][ T32] dd20: a4b78000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.338172][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.338197][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.338221][ T32] r5:800d0013 r4:80239bb0 [ 1342.338242][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.338283][ T32] r4:82ac21e4 [ 1342.338364][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.338428][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.338453][ T32] r4:e044ddc0 [ 1342.338474][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.338517][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.338540][ T32] r4:00000000 [ 1342.338560][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.338606][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.338628][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.338670][ T32] r5:00001000 r4:ed353000 [ 1342.338690][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.338731][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.338775][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.338850][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.338905][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.338948][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.339005][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.339029][ T32] r4:84ab5800 [ 1342.339048][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.339095][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.339117][ T32] r4:00000001 [ 1342.339136][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.339172][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.339242][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.355024][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.355097][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.355137][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.355163][ T32] r4:84ab0640 [ 1342.355188][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.355222][ T32] INFO: task kworker/1:782:5029 blocked for more than 468 seconds. [ 1342.355258][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.355285][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.355309][ T32] task:kworker/1:782 state:D stack:0 pid:5029 tgid:5029 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.355417][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.355495][ T32] Call trace: [ 1342.355531][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.355592][ T32] r10:8291a684 r9:eb629d84 r8:00000002 r7:60000013 r6:eb629d8c r5:85574800 [ 1342.355617][ T32] r4:85574800 [ 1342.355639][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.355684][ T32] r5:85574800 r4:8291a680 [ 1342.355706][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.355748][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.355791][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb629e08 [ 1342.355815][ T32] r4:00000000 [ 1342.355835][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.355871][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.355933][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.355987][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84469e00 [ 1342.356012][ T32] r4:00000000 [ 1342.356065][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.356145][ T32] r9:83018205 r8:85574800 r7:00000000 r6:83018200 r5:00001000 r4:7f055000 [ 1342.356174][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.356222][ T32] r5:00001000 r4:eb151000 [ 1342.356243][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.356286][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.356331][ T32] r5:85540f8c r4:85540c00 [ 1342.356352][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.356427][ T32] r7:ddde2d80 r6:83018200 r5:85540f8c r4:84625900 [ 1342.356454][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.356532][ T32] r10:61c88647 r9:85574800 r8:8462592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.356560][ T32] r4:84625900 [ 1342.356582][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.356633][ T32] r10:00000000 r9:84625900 r8:80287e08 r7:eb625e60 r6:84625980 r5:85574800 [ 1342.356657][ T32] r4:00000001 [ 1342.356678][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.356718][ T32] Exception stack(0xeb629fb0 to 0xeb629ff8) [ 1342.356746][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.356777][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.356805][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.356837][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.356861][ T32] r4:844698c0 [ 1342.357287][ T32] INFO: task kworker/1:782:5029 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.357327][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.357436][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.357488][ T32] Call trace: [ 1342.357521][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.357597][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.357629][ T32] r4:00000000 [ 1342.357650][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.357694][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.357723][ T32] dd20: a4cc1000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.357756][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.357783][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.357809][ T32] r5:800d0013 r4:80239bb0 [ 1342.357830][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.357875][ T32] r4:82ac21e4 [ 1342.357910][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 7 printk messages dropped ** [ 1342.358271][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1342.358687][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1342.358844][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1342.359253][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1342.373450][ T32] r4:85573000 ** 4 printk messages dropped ** [ 1342.373712][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb62de08 ** 5 printk messages dropped ** [ 1342.373990][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1342.374284][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1342.374414][ T32] r7:ddde2d80 r6:83018200 r5:8554138c r4:84625a00 ** 5 printk messages dropped ** [ 1342.374745][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1342.375008][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1342.375735][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.375782][ T32] r4:00000000 [ 1342.375808][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.375875][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.375931][ T32] dd20: a51e0000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.375966][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.375995][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.376022][ T32] r5:800d0013 r4:80239bb0 [ 1342.376044][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.376090][ T32] r4:82ac21e4 [ 1342.376136][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.376209][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.376272][ T32] r4:e044ddc0 [ 1342.376324][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.376415][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.376445][ T32] r4:00000000 [ 1342.376467][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.376541][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.376567][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.376613][ T32] r5:00001000 r4:ed353000 [ 1342.376653][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.376701][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.376775][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.376806][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.376883][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.376913][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.376966][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.376990][ T32] r4:84ab5800 [ 1342.377011][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.377075][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.377103][ T32] r4:00000001 [ 1342.377124][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.377175][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.377207][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.377238][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.377290][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.377349][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.377386][ T32] r4:84ab0640 [ 1342.377410][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.377441][ T32] INFO: task kworker/1:784:5033 blocked for more than 468 seconds. [ 1342.377479][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.377516][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.377543][ T32] task:kworker/1:784 state:D stack:0 pid:5033 tgid:5033 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.377640][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.377759][ T32] Call trace: [ 1342.377798][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.377873][ T32] r10:8291a684 r9:eb631d84 r8:00000002 r7:60000113 r6:eb631d8c r5:85573c00 [ 1342.377909][ T32] r4:85573c00 [ 1342.377931][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.377978][ T32] r5:85573c00 r4:8291a680 [ 1342.378042][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.378124][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.378197][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb631e08 [ 1342.378226][ T32] r4:00000000 [ 1342.378247][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.378284][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.378400][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.378451][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa9040 [ 1342.378490][ T32] r4:00000000 [ 1342.378515][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 1 printk messages dropped ** [ 1342.378624][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1342.378826][ T32] r5:8554178c r4:85541400 [ 1342.378848][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1342.378969][ T32] r10:61c88647 r9:85573c00 r8:84625b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1342.402862][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1342.403592][ T32] Call trace: ** 5 printk messages dropped ** [ 1342.403908][ T32] dd20: a55fb000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 6 printk messages dropped ** [ 1342.404241][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.404286][ T32] r4:e044ddc0 [ 1342.404316][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.404360][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.404395][ T32] r4:00000000 [ 1342.404429][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.404481][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.404527][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.404575][ T32] r5:00001000 r4:ed353000 [ 1342.404626][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.404675][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.404743][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.404790][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.404842][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.404865][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.404914][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.404937][ T32] r4:84ab5800 [ 1342.404957][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.405024][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.405052][ T32] r4:00000001 [ 1342.405097][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1342.405291][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1342.405725][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1342.406044][ T32] r5:85576c00 r4:8291a680 ** 3 printk messages dropped ** [ 1342.406218][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1342.406356][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa9400 ** 7 printk messages dropped ** [ 1342.406684][ T32] r5:85541b8c r4:85541800 [ 1342.406708][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1342.406825][ T32] r10:61c88647 r9:85576c00 r8:84625c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1342.407141][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1342.407787][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1342.408174][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1342.408286][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1342.408597][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1342.408850][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1342.409206][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1342.419951][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1342.420210][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1342.420494][ T32] r5:8556bc00 r4:8291a680 ** 3 printk messages dropped ** [ 1342.420683][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1342.420824][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa96c0 ** 7 printk messages dropped ** [ 1342.421135][ T32] r5:85541f8c r4:85541c00 [ 1342.421156][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1342.421387][ T32] r4:84625d00 ** 4 printk messages dropped ** [ 1342.421543][ T32] Exception stack(0xeb639fb0 to 0xeb639ff8) ** 6 printk messages dropped ** [ 1342.422237][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 7 printk messages dropped ** [ 1342.422643][ T32] dd20: a57c6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.422697][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.422728][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.422774][ T32] r5:800d0013 r4:80239bb0 [ 1342.422800][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.422844][ T32] r4:82ac21e4 [ 1342.422865][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.422909][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.422966][ T32] r4:e044ddc0 [ 1342.422990][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.423035][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.423057][ T32] r4:00000000 [ 1342.423077][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.423122][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.423143][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.423194][ T32] r5:00001000 r4:ed353000 [ 1342.423220][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.423284][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.423353][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.423385][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.423440][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.423465][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.423514][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.423558][ T32] r4:84ab5800 [ 1342.423582][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.423651][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.423685][ T32] r4:00000001 [ 1342.423705][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.423741][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.423769][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.423797][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.423837][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.423870][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.423894][ T32] r4:84ab0640 [ 1342.423915][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.423962][ T32] INFO: task kworker/1:787:5040 blocked for more than 468 seconds. [ 1342.424021][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.424050][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.424086][ T32] task:kworker/1:787 state:D stack:0 pid:5040 tgid:5040 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.424134][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.424177][ T32] Call trace: [ 1342.424230][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.424279][ T32] r10:8291a684 r9:eb641d84 r8:00000002 r7:60000013 r6:eb641d8c r5:85576000 [ 1342.424302][ T32] r4:85576000 [ 1342.424322][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.424364][ T32] r5:85576000 r4:8291a680 [ 1342.424393][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.424431][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.424473][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb641e08 [ 1342.424545][ T32] r4:00000000 [ 1342.424571][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.424609][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.424656][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.424701][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa98c0 [ 1342.424729][ T32] r4:00000000 [ 1342.424750][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.424795][ T32] r9:83018205 r8:85576000 r7:00000000 r6:83018200 r5:00001000 r4:7f061000 [ 1342.424838][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.424885][ T32] r5:00001000 r4:eb643000 [ 1342.424906][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.424946][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.424988][ T32] r5:8554238c r4:85542000 [ 1342.425019][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.425070][ T32] r7:ddde2d80 r6:83018200 r5:8554238c r4:84625e00 [ 1342.425117][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.425169][ T32] r10:61c88647 r9:85576000 r8:84625e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.425206][ T32] r4:84625e00 [ 1342.425251][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.425301][ T32] r10:00000000 r9:84625e00 r8:80287e08 r7:eb639e60 r6:84625e80 r5:85576000 ** 6 printk messages dropped ** [ 1342.425501][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1342.425966][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1342.426279][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.426514][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1342.426930][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1342.427360][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 3 printk messages dropped ** [ 1342.427570][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.427603][ T32] r4:84ab0640 [ 1342.427668][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.427721][ T32] INFO: task kworker/1:788:5042 blocked for more than 468 seconds. [ 1342.427794][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.427825][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.427866][ T32] task:kworker/1:788 state:D stack:0 pid:5042 tgid:5042 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.427929][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.428001][ T32] Call trace: [ 1342.428068][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.428119][ T32] r10:8291a684 r9:eb64dd84 r8:00000002 r7:60000013 r6:eb64dd8c r5:85578c00 [ 1342.428157][ T32] r4:85578c00 [ 1342.428182][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.428229][ T32] r5:85578c00 r4:8291a680 [ 1342.428250][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.428288][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.428332][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb64de08 [ 1342.428355][ T32] r4:00000000 [ 1342.428385][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.428422][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.428459][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.428558][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa9f00 [ 1342.428619][ T32] r4:00000000 [ 1342.428647][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.428737][ T32] r9:83018205 r8:85578c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a9000 [ 1342.428768][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.428858][ T32] r5:00001000 r4:eb67f000 [ 1342.428889][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.428965][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.429016][ T32] r5:85542b8c r4:85542800 [ 1342.429060][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.429113][ T32] r7:ddde2d80 r6:83018200 r5:85542b8c r4:84625f00 [ 1342.429153][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.429205][ T32] r10:61c88647 r9:85578c00 r8:84625f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.456887][ T32] r4:84625f00 [ 1342.457003][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.457115][ T32] r10:00000000 r9:84625f00 r8:80287e08 r7:eb641e60 r6:84625f80 r5:85578c00 [ 1342.457149][ T32] r4:00000001 [ 1342.457174][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.457219][ T32] Exception stack(0xeb64dfb0 to 0xeb64dff8) [ 1342.457254][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.457303][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.457363][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.457433][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.457485][ T32] r4:84aa9740 [ 1342.457918][ T32] INFO: task kworker/1:788:5042 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.457959][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.458061][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.458126][ T32] Call trace: [ 1342.458163][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 3 printk messages dropped ** [ 1342.458411][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1342.458665][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.458891][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1342.464598][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1342.464872][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1342.465099][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1342.465499][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1342.465956][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1342.466464][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1342.466658][ T32] r5:8554278c r4:85542400 ** 3 printk messages dropped ** [ 1342.466843][ T32] r10:61c88647 r9:85579800 r8:8462f02c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1342.467321][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1342.468343][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 1 printk messages dropped ** [ 1342.468447][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.468528][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.468567][ T32] r5:800d0013 r4:80239bb0 [ 1342.468591][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.468659][ T32] r4:82ac21e4 [ 1342.468688][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.468735][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.468759][ T32] r4:e044ddc0 [ 1342.468802][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.468858][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.468907][ T32] r4:00000000 [ 1342.468957][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.469012][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.469046][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.469129][ T32] r5:00001000 r4:ed353000 [ 1342.469157][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.469313][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.486991][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.487042][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.487121][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.487145][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.487219][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.487257][ T32] r4:84ab5800 [ 1342.487303][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.487357][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.487388][ T32] r4:00000001 [ 1342.487411][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.487450][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.487503][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.487538][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.487585][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.487624][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.487650][ T32] r4:84ab0640 [ 1342.487675][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.487706][ T32] INFO: task kworker/0:170:5046 blocked for more than 468 seconds. [ 1342.487741][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.487767][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.487820][ T32] task:kworker/0:170 state:D stack:0 pid:5046 tgid:5046 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.487897][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.487948][ T32] Call trace: [ 1342.487982][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.488036][ T32] r10:8291a684 r9:eb605d84 r8:00000002 r7:60000013 r6:eb605d8c r5:84610000 [ 1342.488060][ T32] r4:84610000 [ 1342.488093][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.488173][ T32] r5:84610000 r4:8291a680 [ 1342.488199][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.488242][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.488318][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb605e08 [ 1342.488347][ T32] r4:00000000 [ 1342.488377][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.488437][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.488483][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.488558][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:845b8000 [ 1342.488582][ T32] r4:00000000 [ 1342.488627][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.488684][ T32] r9:83018005 r8:84610000 r7:00000000 r6:83018000 r5:00001000 r4:7f079000 ** 4 printk messages dropped ** [ 1342.488945][ T32] r5:8554ab8c r4:8554a800 [ 1342.488967][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1342.489106][ T32] r10:61c88647 r9:84610000 r8:84467c2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1342.491839][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1342.492736][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1342.492959][ T32] r4:82ac21e4 ** 7 printk messages dropped ** [ 1342.493299][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 9 printk messages dropped ** [ 1342.493723][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1342.493894][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 10 printk messages dropped ** [ 1342.494298][ T32] task:kworker/0:171 state:D stack:0 pid:5047 tgid:5047 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1342.494769][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1342.494983][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849a38c0 ** 7 printk messages dropped ** [ 1342.495302][ T32] r5:84b4eb8c r4:84b4e800 ** 2 printk messages dropped ** [ 1342.495425][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1342.495766][ T32] Exception stack(0xeb63dfb0 to 0xeb63dff8) [ 1342.495798][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.495828][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.495856][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.495885][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.495908][ T32] r4:849a3580 [ 1342.496133][ T32] INFO: task kworker/0:171:5047 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.496205][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.496321][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.496395][ T32] Call trace: [ 1342.496475][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.496552][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.496578][ T32] r4:00000000 [ 1342.496619][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.496667][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.496696][ T32] dd20: a6106000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.496729][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.496756][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.496805][ T32] r5:800d0013 r4:80239bb0 [ 1342.496831][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.496880][ T32] r4:82ac21e4 [ 1342.496922][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.496992][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.497026][ T32] r4:e044ddc0 [ 1342.497050][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.497095][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.497119][ T32] r4:00000000 [ 1342.497140][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.497188][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.497249][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.497298][ T32] r5:00001000 r4:ed353000 [ 1342.497321][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.497388][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.497454][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.497511][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.497566][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.497590][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.497639][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.497663][ T32] r4:84ab5800 [ 1342.497720][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.497783][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.497813][ T32] r4:00000001 [ 1342.497834][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.497872][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.497911][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.497966][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.498009][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.498047][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.498071][ T32] r4:84ab0640 [ 1342.498093][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.498119][ T32] INFO: task kworker/0:172:5050 blocked for more than 468 seconds. [ 1342.498149][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.498183][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.498241][ T32] task:kworker/0:172 state:D stack:0 pid:5050 tgid:5050 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.498315][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.498388][ T32] Call trace: [ 1342.498459][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.498511][ T32] r10:8291a684 r9:eb669d84 r8:00000002 r7:60000113 r6:eb669d8c r5:84613c00 [ 1342.498536][ T32] r4:84613c00 ** 3 printk messages dropped ** [ 1342.498721][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1342.499166][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1342.530178][ T32] r5:84b4f38c r4:84b4f000 ** 1 printk messages dropped ** [ 1342.530281][ T32] r7:dddced80 r6:83018000 r5:84b4f38c r4:84467e00 ** 5 printk messages dropped ** [ 1342.530547][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1342.530802][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1342.531736][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1342.532086][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.532270][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1342.532786][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1342.533167][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1342.533439][ T32] INFO: task kworker/1:790:5052 blocked for more than 468 seconds. ** 9 printk messages dropped ** [ 1342.533866][ T32] r5:84614800 r4:8291a680 ** 5 printk messages dropped ** [ 1342.534079][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1342.534462][ T32] r5:8554378c r4:85543400 [ 1342.534488][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1342.534766][ T32] r4:8462f100 ** 4 printk messages dropped ** [ 1342.534954][ T32] Exception stack(0xeb689fb0 to 0xeb689ff8) ** 6 printk messages dropped ** [ 1342.535477][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1342.536144][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.536355][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1342.536935][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1342.537266][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.537295][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.537327][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.537350][ T32] r4:84ab0640 [ 1342.537378][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.537417][ T32] INFO: task kworker/1:791:5053 blocked for more than 468 seconds. [ 1342.537451][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.537478][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.537499][ T32] task:kworker/1:791 state:D stack:0 pid:5053 tgid:5053 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.537597][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.537665][ T32] Call trace: [ 1342.537702][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.537753][ T32] r10:8291a684 r9:eb67dd84 r8:00000002 r7:60000013 r6:eb67dd8c r5:8557b000 [ 1342.537777][ T32] r4:8557b000 [ 1342.537800][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.537846][ T32] r5:8557b000 r4:8291a680 [ 1342.537867][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.537906][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.537950][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb67de08 [ 1342.537973][ T32] r4:00000000 [ 1342.537993][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.538028][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.538064][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.538138][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa9a80 [ 1342.538168][ T32] r4:00000000 [ 1342.538212][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.538326][ T32] r9:83018205 r8:8557b000 r7:00000000 r6:83018200 r5:00001000 r4:7f0ab000 [ 1342.538397][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.538457][ T32] r5:00001000 r4:eb68b000 [ 1342.538500][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.538589][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.538640][ T32] r5:85542f8c r4:85542c00 [ 1342.538661][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.538726][ T32] r7:ddde2d80 r6:83018200 r5:85542f8c r4:8462f180 [ 1342.538752][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.538822][ T32] r10:61c88647 r9:8557b000 r8:8462f1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.538853][ T32] r4:8462f180 [ 1342.538898][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.538964][ T32] r10:00000000 r9:8462f180 r8:80287e08 r7:eb689e60 r6:8462f200 r5:8557b000 [ 1342.538998][ T32] r4:00000001 [ 1342.539020][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.539058][ T32] Exception stack(0xeb67dfb0 to 0xeb67dff8) [ 1342.539086][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.539138][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.539171][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.539203][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.539226][ T32] r4:84aa9f80 [ 1342.562289][ T32] INFO: task kworker/1:791:5053 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.562406][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.562495][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.562581][ T32] Call trace: [ 1342.562623][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.562688][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.562714][ T32] r4:00000000 [ 1342.562736][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.562791][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.562827][ T32] dd20: a6be5000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.562858][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.562885][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.562909][ T32] r5:800d0013 r4:80239bb0 [ 1342.562931][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.562976][ T32] r4:82ac21e4 [ 1342.562998][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.563041][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.563064][ T32] r4:e044ddc0 [ 1342.563084][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.563127][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.563170][ T32] r4:00000000 [ 1342.563196][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.563247][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.563281][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.563330][ T32] r5:00001000 r4:ed353000 [ 1342.563353][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.563403][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.563448][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.563469][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.563519][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.563542][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.563590][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.563613][ T32] r4:84ab5800 [ 1342.563654][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.563719][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.563746][ T32] r4:00000001 [ 1342.563769][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.563808][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.563837][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.563866][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.563903][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.563958][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.563986][ T32] r4:84ab0640 [ 1342.564010][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.564055][ T32] INFO: task kworker/1:792:5056 blocked for more than 468 seconds. [ 1342.564094][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.564121][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.564143][ T32] task:kworker/1:792 state:D stack:0 pid:5056 tgid:5056 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.564212][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.564272][ T32] Call trace: [ 1342.564313][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.564363][ T32] r10:8291a684 r9:eb695d84 r8:00000002 r7:60000013 r6:eb695d8c r5:85578000 [ 1342.564397][ T32] r4:85578000 [ 1342.564418][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.564463][ T32] r5:85578000 r4:8291a680 [ 1342.564525][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.564574][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.564620][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb695e08 [ 1342.564643][ T32] r4:00000000 [ 1342.564663][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.564699][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.564735][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.564777][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa9c80 [ 1342.564801][ T32] r4:00000000 [ 1342.564821][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.564867][ T32] r9:83018205 r8:85578000 r7:00000000 r6:83018200 r5:00001000 r4:7f0ad000 [ 1342.564889][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.564952][ T32] r5:00001000 r4:eb697000 [ 1342.564978][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.565020][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.565065][ T32] r5:8554338c r4:85543000 [ 1342.565086][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.565144][ T32] r7:ddde2d80 r6:83018200 r5:8554338c r4:8462f280 [ 1342.565186][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.565239][ T32] r10:61c88647 r9:85578000 r8:8462f2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.565263][ T32] r4:8462f280 [ 1342.565282][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 2 printk messages dropped ** [ 1342.565376][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 9 printk messages dropped ** [ 1342.565973][ T32] Call trace: ** 4 printk messages dropped ** [ 1342.566178][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1342.566398][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.566720][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1342.567197][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1342.567521][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1342.567862][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1342.568133][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 1 printk messages dropped ** [ 1342.568214][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6a1e08 [ 1342.568237][ T32] r4:00000000 [ 1342.568257][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.568301][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.568342][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.568414][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849a1400 [ 1342.568442][ T32] r4:00000000 [ 1342.568526][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.568588][ T32] r9:83018205 r8:8557bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0bf000 [ 1342.568610][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.568677][ T32] r5:00001000 r4:eb6bf000 [ 1342.568702][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.568744][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.568787][ T32] r5:85543f8c r4:85543c00 [ 1342.568808][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.568854][ T32] r7:ddde2d80 r6:83018200 r5:85543f8c r4:8462f380 [ 1342.568876][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.568923][ T32] r10:61c88647 r9:8557bc00 r8:8462f3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.568946][ T32] r4:8462f380 [ 1342.568965][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.569010][ T32] r10:00000000 r9:8462f380 r8:80287e08 r7:eb689e60 r6:8462f400 r5:8557bc00 [ 1342.569080][ T32] r4:00000001 [ 1342.569108][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.569145][ T32] Exception stack(0xeb6a1fb0 to 0xeb6a1ff8) [ 1342.569181][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.569218][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.569286][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.588678][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.588746][ T32] r4:849a1080 [ 1342.589184][ T32] INFO: task kworker/1:793:5058 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.589356][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.589969][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.590043][ T32] Call trace: [ 1342.590079][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.590140][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.590198][ T32] r4:00000000 [ 1342.590226][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.590273][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.590336][ T32] dd20: a70aa000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.590381][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.590410][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.590435][ T32] r5:800d0013 r4:80239bb0 [ 1342.590456][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.590501][ T32] r4:82ac21e4 [ 1342.590545][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.590595][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.590620][ T32] r4:e044ddc0 [ 1342.590641][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.590685][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.590708][ T32] r4:00000000 [ 1342.590750][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.590830][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 3 printk messages dropped ** [ 1342.591016][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1342.591468][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1342.591716][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 10 printk messages dropped ** [ 1342.592253][ T32] r4:8557c800 ** 4 printk messages dropped ** [ 1342.592522][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6b9e08 ** 10 printk messages dropped ** [ 1342.593005][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1342.593211][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.593262][ T32] r10:61c88647 r9:8557c800 r8:8462f4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.593286][ T32] r4:8462f480 [ 1342.593321][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.593393][ T32] r10:00000000 r9:8462f480 r8:80287e08 r7:eb6a1e60 r6:8462f500 r5:8557c800 [ 1342.593423][ T32] r4:00000001 [ 1342.593444][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.593503][ T32] Exception stack(0xeb6b9fb0 to 0xeb6b9ff8) [ 1342.593541][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.593571][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.593599][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.593629][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.593664][ T32] r4:849a1080 [ 1342.594118][ T32] INFO: task kworker/1:794:5059 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.594159][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.594219][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.594267][ T32] Call trace: [ 1342.594306][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.594394][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.594426][ T32] r4:00000000 [ 1342.594448][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.594517][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.594552][ T32] dd20: a70aa000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.594600][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.594652][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.594682][ T32] r5:800d0013 r4:80239bb0 [ 1342.594705][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.594749][ T32] r4:82ac21e4 [ 1342.594770][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 6 printk messages dropped ** [ 1342.595060][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 9 printk messages dropped ** [ 1342.595451][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1342.595550][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1342.595805][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 10 printk messages dropped ** [ 1342.596260][ T32] r4:8557d400 ** 4 printk messages dropped ** [ 1342.596532][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6ade08 ** 9 printk messages dropped ** [ 1342.596982][ T32] r5:00001000 r4:eb6cb000 ** 2 printk messages dropped ** [ 1342.597126][ T32] r5:8554838c r4:85548000 [ 1342.597157][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1342.597284][ T32] r10:61c88647 r9:8557d400 r8:8462f5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1342.597593][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1342.598146][ T32] Call trace: ** 4 printk messages dropped ** [ 1342.598395][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1342.598664][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.598861][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1342.599317][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1342.622009][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1342.622294][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1342.622753][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1342.623101][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1342.623452][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849a1700 [ 1342.623482][ T32] r4:00000000 [ 1342.623510][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.623592][ T32] r9:83018205 r8:8557e000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c3000 [ 1342.623624][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.623807][ T32] r5:00001000 r4:eb6d7000 [ 1342.623844][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.623891][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.623937][ T32] r5:8554878c r4:85548400 [ 1342.623972][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.624027][ T32] r7:ddde2d80 r6:83018200 r5:8554878c r4:8462f680 [ 1342.624051][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.624138][ T32] r10:61c88647 r9:8557e000 r8:8462f6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.624196][ T32] r4:8462f680 [ 1342.624223][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.624273][ T32] r10:00000000 r9:8462f680 r8:80287e08 r7:eb6ade60 r6:8462f700 r5:8557e000 [ 1342.624312][ T32] r4:00000001 [ 1342.624337][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.624383][ T32] Exception stack(0xeb6c9fb0 to 0xeb6c9ff8) [ 1342.624413][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.624443][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.624472][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.624544][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.624601][ T32] r4:849a13c0 [ 1342.625045][ T32] INFO: task kworker/1:796:5064 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.625085][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.625150][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.625199][ T32] Call trace: [ 1342.625232][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.625288][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.625313][ T32] r4:00000000 [ 1342.625334][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.625384][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.625429][ T32] dd20: a7489000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.625490][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.625524][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.625552][ T32] r5:800d0013 r4:80239bb0 [ 1342.625575][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.625622][ T32] r4:82ac21e4 [ 1342.625644][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.625688][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.625713][ T32] r4:e044ddc0 [ 1342.625734][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.625778][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.625826][ T32] r4:00000000 [ 1342.625854][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.625905][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.625953][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.626004][ T32] r5:00001000 r4:ed353000 [ 1342.626035][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.626082][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.626128][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.626149][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.626198][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.626221][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.626271][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.626310][ T32] r4:84ab5800 [ 1342.626366][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.626422][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.626448][ T32] r4:00000001 [ 1342.626469][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.626508][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.626551][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.626586][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.626616][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.626661][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.626695][ T32] r4:84ab0640 [ 1342.626718][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.626775][ T32] INFO: task kworker/1:797:5066 blocked for more than 469 seconds. [ 1342.626812][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 2 printk messages dropped ** [ 1342.626948][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1342.627285][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1342.627656][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1342.627986][ T32] r5:85548f8c r4:85548c00 [ 1342.628034][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1342.628210][ T32] r4:8462f780 ** 4 printk messages dropped ** [ 1342.628469][ T32] Exception stack(0xeb6d5fb0 to 0xeb6d5ff8) ** 7 printk messages dropped ** [ 1342.629053][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1342.650720][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1342.650957][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1342.651143][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1342.651522][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.651547][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.651627][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.651713][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.651772][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.651797][ T32] r4:84ab5800 [ 1342.651819][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.651869][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.651893][ T32] r4:00000001 [ 1342.651914][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.651951][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.651978][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.652010][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.652039][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.652072][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.652121][ T32] r4:84ab0640 [ 1342.652152][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.652187][ T32] INFO: task kworker/1:798:5067 blocked for more than 469 seconds. [ 1342.652222][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.652263][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.652293][ T32] task:kworker/1:798 state:D stack:0 pid:5067 tgid:5067 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.652397][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.652524][ T32] Call trace: [ 1342.652599][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.652659][ T32] r10:8291a684 r9:eb6bdd84 r8:00000002 r7:60000013 r6:eb6bdd8c r5:8557a400 [ 1342.652741][ T32] r4:8557a400 [ 1342.652777][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.652828][ T32] r5:8557a400 r4:8291a680 [ 1342.652867][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.652915][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.652960][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6bde08 [ 1342.652985][ T32] r4:00000000 [ 1342.653006][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.653042][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.653091][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.653139][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849a18c0 [ 1342.653163][ T32] r4:00000000 [ 1342.653183][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.653231][ T32] r9:83018205 r8:8557a400 r7:00000000 r6:83018200 r5:00001000 r4:7f0c5000 [ 1342.653256][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.653327][ T32] r5:00001000 r4:eb6e3000 [ 1342.653371][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.653420][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.653468][ T32] r5:85548b8c r4:85548800 [ 1342.653513][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.653566][ T32] r7:ddde2d80 r6:83018200 r5:85548b8c r4:8462f880 [ 1342.653589][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.653639][ T32] r10:61c88647 r9:8557a400 r8:8462f8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.653665][ T32] r4:8462f880 [ 1342.653728][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.653781][ T32] r10:00000000 r9:8462f880 r8:80287e08 r7:eb6d5e60 r6:8462f900 r5:8557a400 [ 1342.653813][ T32] r4:00000001 [ 1342.653838][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.653876][ T32] Exception stack(0xeb6bdfb0 to 0xeb6bdff8) [ 1342.653909][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.653941][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.653971][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.654001][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.654024][ T32] r4:849a13c0 [ 1342.654461][ T32] INFO: task kworker/1:798:5067 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.654502][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 7 printk messages dropped ** [ 1342.654962][ T32] dd20: a7868000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 7 printk messages dropped ** [ 1342.655265][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1342.655520][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1342.655779][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1342.656031][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1342.656184][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1342.656666][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1342.657097][ T32] r5:85580c00 r4:8291a680 ** 3 printk messages dropped ** [ 1342.657258][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1342.657397][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849a1f00 ** 7 printk messages dropped ** [ 1342.657678][ T32] r5:8554978c r4:85549400 [ 1342.657703][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1342.657947][ T32] r10:00000000 r9:8462f980 r8:80287e08 r7:eb6d5e60 r6:8462fa00 r5:85580c00 ** 6 printk messages dropped ** [ 1342.658203][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1342.658952][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1342.659183][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.683229][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1342.683793][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 6 printk messages dropped ** [ 1342.684070][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1342.684326][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1342.684702][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1342.685031][ T32] r5:85582400 r4:8291a680 ** 3 printk messages dropped ** [ 1342.685239][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1342.685417][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849a1d40 ** 7 printk messages dropped ** [ 1342.685795][ T32] r5:8554938c r4:85549000 [ 1342.685818][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.685867][ T32] r7:ddde2d80 r6:83018200 r5:8554938c r4:8462fa80 [ 1342.685969][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.686044][ T32] r10:61c88647 r9:85582400 r8:8462faac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.686086][ T32] r4:8462fa80 [ 1342.686123][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.686183][ T32] r10:00000000 r9:8462fa80 r8:80287e08 r7:eb3b5e60 r6:8462fb00 r5:85582400 [ 1342.686211][ T32] r4:00000001 [ 1342.686259][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.686332][ T32] Exception stack(0xeb6e1fb0 to 0xeb6e1ff8) [ 1342.686407][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.686460][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.686494][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.686526][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.686550][ T32] r4:849a1bc0 [ 1342.687078][ T32] INFO: task kworker/1:800:5073 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.687121][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.687217][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.687267][ T32] Call trace: [ 1342.687345][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.687413][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.687487][ T32] r4:00000000 [ 1342.687514][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.687559][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.687622][ T32] dd20: a7c34000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.687703][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.687756][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.687880][ T32] r5:800d0013 r4:80239bb0 [ 1342.687909][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.687984][ T32] r4:82ac21e4 [ 1342.688014][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.688065][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.688090][ T32] r4:e044ddc0 [ 1342.688112][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.688177][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.688207][ T32] r4:00000000 [ 1342.688230][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.688282][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.688306][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.688417][ T32] r5:00001000 r4:ed353000 [ 1342.688535][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.688675][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.688729][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.688752][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.688803][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.688829][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.688937][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.688994][ T32] r4:84ab5800 [ 1342.689034][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.689090][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.689133][ T32] r4:00000001 [ 1342.689186][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.689321][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.713029][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.713096][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.713127][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.713166][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.713193][ T32] r4:84ab0640 [ 1342.713220][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.713272][ T32] INFO: task kworker/1:801:5075 blocked for more than 469 seconds. [ 1342.713311][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.713370][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1342.713471][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1342.714021][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb39de08 ** 8 printk messages dropped ** [ 1342.714521][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1342.714754][ T32] r7:ddde2d80 r6:83018200 r5:85549b8c r4:8462fb80 ** 6 printk messages dropped ** [ 1342.715154][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1342.716115][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1342.716696][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 9 printk messages dropped ** [ 1342.717112][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1342.717504][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1342.717952][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 5 printk messages dropped ** [ 1342.718228][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.718261][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.718331][ T32] r4:84ab0640 [ 1342.718364][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.718396][ T32] INFO: task kworker/1:802:5077 blocked for more than 469 seconds. [ 1342.718444][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.718496][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.718523][ T32] task:kworker/1:802 state:D stack:0 pid:5077 tgid:5077 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.718576][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.718653][ T32] Call trace: [ 1342.718693][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.718750][ T32] r10:8291a684 r9:eb535d84 r8:00000002 r7:60000013 r6:eb535d8c r5:85584800 [ 1342.718777][ T32] r4:85584800 [ 1342.718799][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.718846][ T32] r5:85584800 r4:8291a680 [ 1342.718895][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.718944][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.718989][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb535e08 [ 1342.719015][ T32] r4:00000000 [ 1342.719034][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.719070][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.719132][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.719232][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:845f4480 [ 1342.719352][ T32] r4:00000000 [ 1342.736924][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.737046][ T32] r9:83018205 r8:85584800 r7:00000000 r6:83018200 r5:00001000 r4:7f06f000 [ 1342.737151][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.737213][ T32] r5:00001000 r4:ea931000 [ 1342.737269][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.737318][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.737433][ T32] r5:85549f8c r4:85549c00 [ 1342.737461][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.737521][ T32] r7:ddde2d80 r6:83018200 r5:85549f8c r4:8462fc80 [ 1342.737547][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.737684][ T32] r10:61c88647 r9:85584800 r8:8462fcac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.737713][ T32] r4:8462fc80 [ 1342.737735][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.737815][ T32] r10:00000000 r9:8462fc80 r8:80287e08 r7:eb39de60 r6:8462fd00 r5:85584800 [ 1342.737844][ T32] r4:00000001 [ 1342.737871][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.737985][ T32] Exception stack(0xeb535fb0 to 0xeb535ff8) [ 1342.738023][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1342.738054][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.738081][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.738112][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.738135][ T32] r4:849a1e80 [ 1342.738595][ T32] INFO: task kworker/1:802:5077 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.738639][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.738736][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.738788][ T32] Call trace: [ 1342.738824][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.738881][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.738905][ T32] r4:00000000 [ 1342.738925][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.738966][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 3 printk messages dropped ** [ 1342.739255][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1342.746624][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1342.747167][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1342.747582][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1342.747900][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1342.748260][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb551e08 ** 8 printk messages dropped ** [ 1342.748590][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 4 printk messages dropped ** [ 1342.748759][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 7 printk messages dropped ** [ 1342.749107][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1342.764890][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1342.765305][ T32] dd20: a860d000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1342.765800][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 4 printk messages dropped ** [ 1342.766019][ T32] r5:00001000 r4:ed353000 [ 1342.766043][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.766086][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.766159][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.766188][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.766242][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.766266][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.766318][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.766342][ T32] r4:84ab5800 [ 1342.766371][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.766450][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.766533][ T32] r4:00000001 [ 1342.766591][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.766640][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.766683][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.766719][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.766837][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.766889][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.766918][ T32] r4:84ab0640 [ 1342.766942][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.766973][ T32] INFO: task kworker/0:173:5082 blocked for more than 469 seconds. [ 1342.767036][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.767068][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.767249][ T32] task:kworker/0:173 state:D stack:0 pid:5082 tgid:5082 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.767305][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.767350][ T32] Call trace: [ 1342.767453][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.767510][ T32] r10:8291a684 r9:eb565d84 r8:00000002 r7:60000113 r6:eb565d8c r5:85586000 [ 1342.767536][ T32] r4:85586000 [ 1342.767558][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.767604][ T32] r5:85586000 r4:8291a680 [ 1342.767652][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.767699][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.767744][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb565e08 [ 1342.767768][ T32] r4:00000000 [ 1342.767789][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.767852][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.767894][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.768154][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:845b8040 [ 1342.768212][ T32] r4:00000000 [ 1342.768238][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.768286][ T32] r9:83018005 r8:85586000 r7:00000000 r6:83018000 r5:00001000 r4:7f077000 [ 1342.768309][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.768354][ T32] r5:00001000 r4:ead47000 [ 1342.768397][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.768446][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.768537][ T32] r5:84b4ff8c r4:84b4fc00 [ 1342.768565][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.768617][ T32] r7:dddced80 r6:83018000 r5:84b4ff8c r4:84467f80 [ 1342.768640][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.768716][ T32] r10:61c88647 r9:85586000 r8:84467fac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1342.768747][ T32] r4:84467f80 [ 1342.768796][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.769038][ T32] r10:00000000 r9:84467f80 r8:80287e08 r7:eb605e60 r6:8462fe80 r5:85586000 [ 1342.769067][ T32] r4:00000001 [ 1342.769088][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.769130][ T32] Exception stack(0xeb565fb0 to 0xeb565ff8) [ 1342.769160][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1342.769190][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.769320][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.777758][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.777804][ T32] r4:849a3e80 [ 1342.778224][ T32] INFO: task kworker/0:173:5082 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.778267][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.778398][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1342.778651][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1342.778876][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.779129][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 12 printk messages dropped ** [ 1342.790358][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1342.790533][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 10 printk messages dropped ** [ 1342.790935][ T32] task:kworker/1:804 state:D stack:0 pid:5083 tgid:5083 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1342.791476][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb56de08 ** 7 printk messages dropped ** [ 1342.791850][ T32] r9:83018205 r8:85583c00 r7:00000000 r6:83018200 r5:00001000 r4:7f071000 ** 4 printk messages dropped ** [ 1342.792076][ T32] r5:8554a38c r4:8554a000 ** 3 printk messages dropped ** [ 1342.792211][ T32] r10:61c88647 r9:85583c00 r8:8462ff2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1342.792545][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1342.793452][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1342.793645][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1342.793887][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1342.794145][ T32] r5:85c0ff8c r4:85c0fc00 ** 4 printk messages dropped ** [ 1342.794395][ T32] r4:84ab5800 [ 1342.794417][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.794466][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.794489][ T32] r4:00000001 [ 1342.794598][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.794641][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.794669][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.794699][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.794728][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.794758][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.794973][ T32] r4:84ab0640 [ 1342.795001][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.795079][ T32] INFO: task kworker/1:805:5085 blocked for more than 469 seconds. [ 1342.795114][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.795140][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.795162][ T32] task:kworker/1:805 state:D stack:0 pid:5085 tgid:5085 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.795212][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.795382][ T32] Call trace: [ 1342.795421][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.795471][ T32] r10:8291a684 r9:eb581d84 r8:00000002 r7:60000013 r6:eb581d8c r5:85580000 [ 1342.795496][ T32] r4:85580000 [ 1342.795579][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.795633][ T32] r5:85580000 r4:8291a680 [ 1342.795655][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.795694][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.795788][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb581e08 [ 1342.795818][ T32] r4:00000000 [ 1342.795838][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.795899][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.795940][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.795989][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dd700 [ 1342.796172][ T32] r4:00000000 [ 1342.796197][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.796365][ T32] r9:83018205 r8:85580000 r7:00000000 r6:83018200 r5:00001000 r4:7f073000 [ 1342.796527][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.796579][ T32] r5:00001000 r4:eaadf000 [ 1342.796625][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.796695][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.796804][ T32] r5:84b4fb8c r4:84b4f800 [ 1342.796919][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.796975][ T32] r7:ddde2d80 r6:83018200 r5:84b4fb8c r4:84ab6000 [ 1342.796998][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.797046][ T32] r10:61c88647 r9:85580000 r8:84ab602c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.797070][ T32] r4:84ab6000 [ 1342.797090][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.797212][ T32] r10:00000000 r9:84ab6000 r8:80287e08 r7:eb56de60 r6:84ab6080 r5:85580000 [ 1342.797244][ T32] r4:00000001 [ 1342.797265][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.797325][ T32] Exception stack(0xeb581fb0 to 0xeb581ff8) [ 1342.797373][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.797407][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.797436][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.797467][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.797491][ T32] r4:845f4180 [ 1342.797761][ T32] INFO: task kworker/1:805:5085 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.797797][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.797857][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.797921][ T32] Call trace: [ 1342.797954][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.798009][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.798110][ T32] r4:00000000 [ 1342.798135][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.798178][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.798207][ T32] dd20: a8844000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.798236][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.798263][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 2 printk messages dropped ** [ 1342.798388][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1342.798637][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1342.799050][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1342.821754][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1342.822107][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1342.822619][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb585e08 ** 9 printk messages dropped ** [ 1342.822977][ T32] r5:00001000 r4:eb19b000 ** 2 printk messages dropped ** [ 1342.823127][ T32] r5:8554b78c r4:8554b400 ** 3 printk messages dropped ** [ 1342.823281][ T32] r10:61c88647 r9:85575400 r8:84ab612c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1342.823882][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1342.824735][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1342.825021][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1342.825218][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1342.825472][ T32] r5:85c0ff8c r4:85c0fc00 ** 5 printk messages dropped ** [ 1342.825783][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1342.826207][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1342.826497][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1342.826942][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 11 printk messages dropped ** [ 1342.827364][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1342.827483][ T32] r5:8554a78c r4:8554a400 [ 1342.827504][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.827553][ T32] r7:ddde2d80 r6:83018200 r5:8554a78c r4:84ab6200 [ 1342.827577][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.827626][ T32] r10:61c88647 r9:85585400 r8:84ab622c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.827649][ T32] r4:84ab6200 [ 1342.827670][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.827716][ T32] r10:00000000 r9:84ab6200 r8:80287e08 r7:eb585e60 r6:84ab6280 r5:85585400 [ 1342.827739][ T32] r4:00000001 [ 1342.827758][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.827795][ T32] Exception stack(0xeb58dfb0 to 0xeb58dff8) [ 1342.827823][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.827856][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.827884][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.827915][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.827962][ T32] r4:845f4240 [ 1342.828210][ T32] INFO: task kworker/1:807:5089 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.828246][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.828305][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.828352][ T32] Call trace: [ 1342.828403][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.828461][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.828543][ T32] r4:00000000 [ 1342.828594][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.828641][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.828670][ T32] dd20: a8aa5000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.828701][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.828727][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.828752][ T32] r5:800d0013 r4:80239bb0 [ 1342.828797][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.828844][ T32] r4:82ac21e4 [ 1342.828866][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.828909][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.828934][ T32] r4:e044ddc0 [ 1342.828956][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.828999][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.829022][ T32] r4:00000000 [ 1342.829041][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.829087][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.829109][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.829151][ T32] r5:00001000 r4:ed353000 [ 1342.829172][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.829213][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.849730][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.849842][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.849928][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.849956][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.850014][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.850058][ T32] r4:84ab5800 [ 1342.850093][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.850149][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.850174][ T32] r4:00000001 [ 1342.850196][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.850237][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.850312][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.850349][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.850426][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.850465][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 5 printk messages dropped ** [ 1342.850755][ T32] task:kworker/1:808 state:D stack:0 pid:5091 tgid:5091 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1342.851395][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5a9e08 ** 10 printk messages dropped ** [ 1342.851936][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1342.852054][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1342.852732][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1342.854076][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1342.854594][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1342.855441][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1342.855956][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1342.856330][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1342.856542][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1342.857150][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1342.857687][ T32] r9:83018005 r8:84a51800 r7:00000000 r6:83018000 r5:00001000 r4:7f05f000 ** 4 printk messages dropped ** [ 1342.858010][ T32] r5:855d038c r4:855d0000 [ 1342.858113][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.858169][ T32] r7:dddced80 r6:83018000 r5:855d038c r4:845bb000 [ 1342.858191][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.858240][ T32] r10:61c88647 r9:84a51800 r8:845bb02c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1342.858263][ T32] r4:845bb000 [ 1342.858343][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.858434][ T32] r10:00000000 r9:845bb000 r8:80287e08 r7:eb605e60 r6:84ab6400 r5:84a51800 [ 1342.858619][ T32] r4:00000001 [ 1342.858671][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.858739][ T32] Exception stack(0xeb5bdfb0 to 0xeb5bdff8) [ 1342.858778][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.858831][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.858951][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.858986][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.859108][ T32] r4:845b8180 [ 1342.885536][ T32] INFO: task kworker/0:174:5093 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.885681][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.885787][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.886070][ T32] Call trace: [ 1342.886134][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.886204][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.886232][ T32] r4:00000000 [ 1342.886408][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.886461][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.886494][ T32] dd20: a9007000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.886526][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.886579][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.886612][ T32] r5:800d0013 r4:80239bb0 [ 1342.886640][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.886688][ T32] r4:82ac21e4 [ 1342.886709][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.886753][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.886776][ T32] r4:e044ddc0 [ 1342.886797][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.886841][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.886865][ T32] r4:00000000 [ 1342.886911][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.886986][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.887014][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.887060][ T32] r5:00001000 r4:ed353000 [ 1342.887105][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.887154][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.887201][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.887277][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.887400][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.887471][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.887528][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.887554][ T32] r4:84ab5800 [ 1342.887575][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.887624][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.887648][ T32] r4:00000001 [ 1342.887725][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.887774][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.887805][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.887835][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.887864][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.887894][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.887919][ T32] r4:84ab0640 [ 1342.887944][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.888158][ T32] INFO: task kworker/0:175:5095 blocked for more than 469 seconds. [ 1342.888200][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.888227][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.888262][ T32] task:kworker/0:175 state:D stack:0 pid:5095 tgid:5095 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.888342][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.888519][ T32] Call trace: [ 1342.888592][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.888646][ T32] r10:8291a684 r9:eb531d84 r8:00000002 r7:60000113 r6:eb531d8c r5:84a52400 [ 1342.888671][ T32] r4:84a52400 [ 1342.888709][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.888758][ T32] r5:84a52400 r4:8291a680 [ 1342.888781][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.888838][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1342.889046][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1342.903921][ T32] r5:855e8f8c r4:855e8c00 [ 1342.903951][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1342.904453][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1342.904769][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1342.905795][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1342.906046][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 2 printk messages dropped ** [ 1342.906263][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1342.906396][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1342.906701][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1342.907456][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1342.907831][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1342.908111][ T32] r4:84ab0640 ** 2 printk messages dropped ** [ 1342.908406][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1342.908841][ T32] r4:84a53c00 ** 4 printk messages dropped ** [ 1342.934887][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6f5e08 ** 7 printk messages dropped ** [ 1342.935505][ T32] r9:83018205 r8:84a53c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 ** 4 printk messages dropped ** [ 1342.935902][ T32] r5:8554b38c r4:8554b000 [ 1342.935947][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.936001][ T32] r7:ddde2d80 r6:83018200 r5:8554b38c r4:84ab6500 [ 1342.936023][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.936073][ T32] r10:61c88647 r9:84a53c00 r8:84ab652c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.936147][ T32] r4:84ab6500 [ 1342.936172][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.936221][ T32] r10:00000000 r9:84ab6500 r8:80287e08 r7:eb585e60 r6:84ab6580 r5:84a53c00 [ 1342.936245][ T32] r4:00000001 [ 1342.936265][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.936303][ T32] Exception stack(0xeb6f5fb0 to 0xeb6f5ff8) [ 1342.936334][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1342.936368][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.936397][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.936427][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.936470][ T32] r4:845f4ec0 [ 1342.936903][ T32] INFO: task kworker/1:809:5097 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.936945][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.937049][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.937134][ T32] Call trace: [ 1342.937168][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.937246][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.937274][ T32] r4:00000000 [ 1342.937320][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.937422][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.937456][ T32] dd20: a96ec000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.937487][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.937540][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.937568][ T32] r5:800d0013 r4:80239bb0 [ 1342.937590][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.937631][ T32] r4:82ac21e4 [ 1342.937651][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.937693][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.937715][ T32] r4:e044ddc0 [ 1342.937746][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.937792][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.937815][ T32] r4:00000000 [ 1342.937847][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.937924][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.937952][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.938023][ T32] r5:00001000 r4:ed353000 [ 1342.938072][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.938117][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.938161][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.938182][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.938230][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.938257][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.938328][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.938353][ T32] r4:84ab5800 [ 1342.938393][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.938446][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.938489][ T32] r4:00000001 [ 1342.938512][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.938575][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.938658][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.938774][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.938806][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.938878][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.938912][ T32] r4:84ab0640 [ 1342.938934][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.938977][ T32] INFO: task kworker/1:810:5099 blocked for more than 469 seconds. [ 1342.939013][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.939038][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.939058][ T32] task:kworker/1:810 state:D stack:0 pid:5099 tgid:5099 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.939133][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.939283][ T32] Call trace: [ 1342.948784][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 1 printk messages dropped ** [ 1342.948900][ T32] r4:84a53000 ** 4 printk messages dropped ** [ 1342.949276][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6f9e08 ** 9 printk messages dropped ** [ 1342.950155][ T32] r5:00001000 r4:eb1d1000 ** 2 printk messages dropped ** [ 1342.950265][ T32] r5:8554bb8c r4:8554b800 ** 1 printk messages dropped ** [ 1342.950367][ T32] r7:ddde2d80 r6:83018200 r5:8554bb8c r4:84ab6600 ** 5 printk messages dropped ** [ 1342.950643][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1342.950943][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1342.951678][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1342.951901][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1342.952217][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1342.952937][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1342.953253][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1342.953602][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1342.953864][ T32] r4:84a55400 [ 1342.953888][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.953932][ T32] r5:84a55400 r4:8291a680 [ 1342.953953][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.954018][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.954066][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb59de08 [ 1342.954142][ T32] r4:00000000 [ 1342.954166][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.954202][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.954262][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.954336][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85515640 [ 1342.954388][ T32] r4:00000000 [ 1342.954421][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.954495][ T32] r9:83018205 r8:84a55400 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1342.954522][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.954567][ T32] r5:00001000 r4:eb215000 [ 1342.954587][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.954626][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.954667][ T32] r5:8554bf8c r4:8554bc00 [ 1342.954701][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.954758][ T32] r7:ddde2d80 r6:83018200 r5:8554bf8c r4:84ab6700 [ 1342.954782][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.954948][ T32] r10:61c88647 r9:84a55400 r8:84ab672c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.954976][ T32] r4:84ab6700 [ 1342.954997][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.955044][ T32] r10:00000000 r9:84ab6700 r8:80287e08 r7:eb6f9e60 r6:84ab6780 r5:84a55400 [ 1342.955067][ T32] r4:00000001 [ 1342.955087][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.955123][ T32] Exception stack(0xeb59dfb0 to 0xeb59dff8) [ 1342.955150][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.955180][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.955207][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.955237][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.955286][ T32] r4:855150c0 [ 1342.955526][ T32] INFO: task kworker/1:811:5100 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1342.955563][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.955662][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.955710][ T32] Call trace: [ 1342.955754][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1342.955812][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1342.955902][ T32] r4:00000000 [ 1342.955927][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.955968][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1342.956021][ T32] dd20: a96ec000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1342.956055][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1342.956081][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1342.956104][ T32] r5:800d0013 r4:80239bb0 [ 1342.956146][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.956192][ T32] r4:82ac21e4 [ 1342.956226][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.956273][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1342.956296][ T32] r4:e044ddc0 [ 1342.956403][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.956451][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.956474][ T32] r4:00000000 [ 1342.956545][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.956598][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.956621][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1342.956907][ T32] r5:85c0ff8c r4:85c0fc00 ** 5 printk messages dropped ** [ 1342.957259][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1342.957608][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1342.957875][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1342.958207][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1342.958522][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1342.958770][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1342.959021][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1342.982960][ T32] Exception stack(0xeb701fb0 to 0xeb701ff8) ** 6 printk messages dropped ** [ 1342.983776][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1342.984443][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1342.984809][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1342.984901][ T32] r4:00000000 [ 1342.984926][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.984978][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1342.985287][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.985338][ T32] r5:00001000 r4:ed353000 [ 1342.985366][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.985410][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.985457][ T32] r5:85c0ff8c r4:85c0fc00 [ 1342.985478][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.985528][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1342.985552][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.985602][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.985627][ T32] r4:84ab5800 [ 1342.985648][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.985748][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1342.985776][ T32] r4:00000001 [ 1342.985797][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.985834][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1342.985864][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.985896][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.985924][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.985956][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1342.986030][ T32] r4:84ab0640 [ 1342.986057][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.986088][ T32] INFO: task kworker/1:813:5105 blocked for more than 469 seconds. [ 1342.986150][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1342.986182][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.986262][ T32] task:kworker/1:813 state:D stack:0 pid:5105 tgid:5105 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.986512][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.986561][ T32] Call trace: [ 1342.986594][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1342.986644][ T32] r10:8291a684 r9:eb561d84 r8:00000002 r7:60000013 r6:eb561d8c r5:84616c00 [ 1342.986668][ T32] r4:84616c00 [ 1342.986689][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1342.986735][ T32] r5:84616c00 r4:8291a680 [ 1342.986798][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.986846][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 1 printk messages dropped ** [ 1342.986934][ T32] r4:00000000 [ 1342.986979][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1342.987182][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1342.987290][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1342.987400][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85515980 [ 1342.987514][ T32] r4:00000000 [ 1342.987539][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1342.987586][ T32] r9:83018205 r8:84616c00 r7:00000000 r6:83018200 r5:00001000 r4:7f087000 [ 1342.987608][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1342.987717][ T32] r5:00001000 r4:eb325000 [ 1342.987768][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1342.987815][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.987859][ T32] r5:855e878c r4:855e8400 [ 1342.987924][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1342.987976][ T32] r7:ddde2d80 r6:83018200 r5:855e878c r4:84ab6880 [ 1342.987998][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1342.988046][ T32] r10:61c88647 r9:84616c00 r8:84ab68ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.988069][ T32] r4:84ab6880 [ 1342.988111][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1342.988247][ T32] r10:00000000 r9:84ab6880 r8:80287e08 r7:eb701e60 r6:845bb180 r5:84616c00 [ 1342.988277][ T32] r4:00000001 [ 1342.988386][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.988497][ T32] Exception stack(0xeb561fb0 to 0xeb561ff8) [ 1342.988546][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.988576][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.988604][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1342.988933][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1343.013242][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1343.013476][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1343.013836][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1343.014298][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 7 printk messages dropped ** [ 1343.014568][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1343.015305][ T32] r5:84615400 r4:8291a680 ** 5 printk messages dropped ** [ 1343.015633][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1343.016169][ T32] r5:855e978c r4:855e9400 [ 1343.016190][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.016236][ T32] r7:ddde2d80 r6:83018200 r5:855e978c r4:84ab6900 [ 1343.016256][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.016305][ T32] r10:61c88647 r9:84615400 r8:84ab692c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.016327][ T32] r4:84ab6900 [ 1343.016364][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.016420][ T32] r10:00000000 r9:84ab6900 r8:80287e08 r7:eb561e60 r6:845bb200 r5:84615400 [ 1343.016529][ T32] r4:00000001 [ 1343.016555][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.016593][ T32] Exception stack(0xeb705fb0 to 0xeb705ff8) [ 1343.016620][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1343.016710][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.016756][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.016794][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.016875][ T32] r4:85515800 [ 1343.017293][ T32] INFO: task kworker/1:814:5107 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.017330][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.017397][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.017521][ T32] Call trace: [ 1343.017835][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.017892][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.017916][ T32] r4:00000000 [ 1343.017947][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.017991][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.018050][ T32] dd20: a9cf9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.018083][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.018110][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.018135][ T32] r5:800d0013 r4:80239bb0 [ 1343.018156][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.018196][ T32] r4:82ac21e4 [ 1343.018216][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.018282][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.018330][ T32] r4:e044ddc0 [ 1343.018352][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.018403][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.018427][ T32] r4:00000000 [ 1343.018484][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.018541][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.018567][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.018610][ T32] r5:00001000 r4:ed353000 [ 1343.018682][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.018752][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.018801][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.018848][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.018900][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.018923][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.019002][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.019031][ T32] r4:84ab5800 [ 1343.019051][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.019166][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.019201][ T32] r4:00000001 [ 1343.019238][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.019342][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.038028][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.038143][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.038249][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.038358][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 3 printk messages dropped ** [ 1343.038723][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1343.044693][ T32] r5:84a50000 r4:8291a680 ** 5 printk messages dropped ** [ 1343.044999][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 5 printk messages dropped ** [ 1343.045234][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1343.045419][ T32] r5:855e8b8c r4:855e8800 [ 1343.045441][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1343.045589][ T32] r10:61c88647 r9:84a50000 r8:84ab69ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1343.046385][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1343.047664][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1343.048026][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1343.048292][ T32] r4:e044ddc0 ** 7 printk messages dropped ** [ 1343.048646][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1343.062740][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1343.063026][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.063063][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.063093][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.063125][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.063150][ T32] r4:84ab0640 [ 1343.063257][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.063364][ T32] INFO: task kworker/1:816:5112 blocked for more than 469 seconds. [ 1343.063407][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.063441][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.063476][ T32] task:kworker/1:816 state:D stack:0 pid:5112 tgid:5112 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.063636][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.063691][ T32] Call trace: [ 1343.063753][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.063815][ T32] r10:8291a684 r9:eb711d84 r8:00000002 r7:60000013 r6:eb711d8c r5:85586c00 [ 1343.063840][ T32] r4:85586c00 [ 1343.063862][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.063949][ T32] r5:85586c00 r4:8291a680 [ 1343.063976][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.064019][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.064065][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb711e08 [ 1343.064114][ T32] r4:00000000 [ 1343.064140][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.064178][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.064223][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.064272][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85515e40 [ 1343.064325][ T32] r4:00000000 [ 1343.064350][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.064408][ T32] r9:83018205 r8:85586c00 r7:00000000 r6:83018200 r5:00001000 r4:7f08d000 [ 1343.064432][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.064518][ T32] r5:00001000 r4:eb3bf000 [ 1343.064546][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.064602][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.064702][ T32] r5:855e938c r4:855e9000 [ 1343.064828][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.064888][ T32] r7:ddde2d80 r6:83018200 r5:855e938c r4:84ab6a80 [ 1343.064912][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.064986][ T32] r10:61c88647 r9:85586c00 r8:84ab6aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.065026][ T32] r4:84ab6a80 [ 1343.065050][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.065100][ T32] r10:00000000 r9:84ab6a80 r8:80287e08 r7:eb705e60 r6:84ab6b00 r5:85586c00 [ 1343.065124][ T32] r4:00000001 [ 1343.065143][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.065179][ T32] Exception stack(0xeb711fb0 to 0xeb711ff8) [ 1343.065232][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1343.065266][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.065295][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.065326][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.065365][ T32] r4:85515c00 [ 1343.065768][ T32] INFO: task kworker/1:816:5112 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.065908][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.065989][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.066138][ T32] Call trace: [ 1343.066201][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.066320][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.066532][ T32] r4:00000000 [ 1343.066570][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.066618][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.066648][ T32] dd20: aa216000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.066732][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.066762][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.066813][ T32] r5:800d0013 r4:80239bb0 [ 1343.066862][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.066912][ T32] r4:82ac21e4 [ 1343.066986][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.067067][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.067094][ T32] r4:e044ddc0 [ 1343.067171][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.067219][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.067297][ T32] r4:00000000 [ 1343.067322][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.067379][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.067402][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.067446][ T32] r5:00001000 r4:ed353000 [ 1343.067494][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.067542][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1343.067697][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 6 printk messages dropped ** [ 1343.067937][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1343.068258][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1343.068564][ T32] r4:84a56000 [ 1343.068601][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.068650][ T32] r5:84a56000 r4:8291a680 [ 1343.068683][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.068727][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.068771][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb715e08 [ 1343.068796][ T32] r4:00000000 [ 1343.068815][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.068854][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.068888][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.068929][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5d500 [ 1343.068952][ T32] r4:00000000 [ 1343.068973][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.069017][ T32] r9:83018205 r8:84a56000 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 [ 1343.069120][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.069170][ T32] r5:00001000 r4:eb511000 [ 1343.069190][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.069303][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.093514][ T32] r5:855e9f8c r4:855e9c00 [ 1343.093567][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.093675][ T32] r7:ddde2d80 r6:83018200 r5:855e9f8c r4:84ab6b80 [ 1343.093718][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.093779][ T32] r10:61c88647 r9:84a56000 r8:84ab6bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.093830][ T32] r4:84ab6b80 ** 1 printk messages dropped ** [ 1343.094009][ T32] r10:00000000 r9:84ab6b80 r8:80287e08 r7:eb705e60 r6:84ab6c00 r5:84a56000 ** 8 printk messages dropped ** [ 1343.095088][ T32] INFO: task kworker/1:817:5113 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 10 printk messages dropped ** [ 1343.096097][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1343.096395][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1343.096722][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1343.097224][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1343.097452][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1343.097827][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1343.098106][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1343.098568][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 12 printk messages dropped ** [ 1343.099174][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.099275][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.109768][ T32] r5:841dc38c r4:841dc000 [ 1343.109816][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.109892][ T32] r7:dddced80 r6:83018000 r5:841dc38c r4:845bb280 [ 1343.109915][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.109996][ T32] r10:61c88647 r9:85588000 r8:845bb2ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.110030][ T32] r4:845bb280 [ 1343.110053][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.110105][ T32] r10:00000000 r9:845bb280 r8:80287e08 r7:eb5bde60 r6:84ab6c80 r5:85588000 [ 1343.110129][ T32] r4:00000001 [ 1343.110178][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.110224][ T32] Exception stack(0xeb719fb0 to 0xeb719ff8) [ 1343.110258][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.110290][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.110318][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.110349][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.110392][ T32] r4:845b8380 [ 1343.110824][ T32] INFO: task kworker/0:176:5114 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.110866][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.110972][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.111025][ T32] Call trace: [ 1343.111059][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.111115][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.111177][ T32] r4:00000000 [ 1343.111205][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.111303][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.111373][ T32] dd20: aa5a9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.111411][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.111439][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.111468][ T32] r5:800d0013 r4:80239bb0 [ 1343.111522][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.111582][ T32] r4:82ac21e4 [ 1343.111604][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.111652][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.111701][ T32] r4:e044ddc0 [ 1343.111752][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.111840][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.111870][ T32] r4:00000000 [ 1343.111905][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.111960][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.111984][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.112030][ T32] r5:00001000 r4:ed353000 [ 1343.112052][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.112095][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.112140][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.112186][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.112242][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.112265][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.112316][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.112340][ T32] r4:84ab5800 [ 1343.112367][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.112417][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.112444][ T32] r4:00000001 [ 1343.112464][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.112525][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.112575][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.112612][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.112641][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.112673][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.112697][ T32] r4:84ab0640 [ 1343.112743][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.112794][ T32] INFO: task kworker/1:818:5116 blocked for more than 469 seconds. [ 1343.112863][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.112895][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.112918][ T32] task:kworker/1:818 state:D stack:0 pid:5116 tgid:5116 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1343.113229][ T32] r5:85588c00 r4:8291a680 ** 3 printk messages dropped ** [ 1343.113365][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1343.113524][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5d2c0 ** 7 printk messages dropped ** [ 1343.113859][ T32] r5:855e9b8c r4:855e9800 ** 1 printk messages dropped ** [ 1343.113927][ T32] r7:ddde2d80 r6:83018200 r5:855e9b8c r4:84ab6d00 ** 4 printk messages dropped ** [ 1343.114176][ T32] r10:00000000 r9:84ab6d00 r8:80287e08 r7:eb715e60 r6:84ab6d80 r5:85588c00 ** 8 printk messages dropped ** [ 1343.114796][ T32] INFO: task kworker/1:818:5116 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 8 printk messages dropped ** [ 1343.115152][ T32] dd20: aa5a9000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1343.115516][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1343.115961][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1343.116253][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1343.116543][ T32] INFO: task kworker/1:819:5120 blocked for more than 469 seconds. ** 9 printk messages dropped ** [ 1343.117020][ T32] r5:8558a400 r4:8291a680 ** 3 printk messages dropped ** [ 1343.117146][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1343.117319][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1343.117633][ T32] r5:855ea38c r4:855ea000 [ 1343.117679][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1343.117829][ T32] r4:84ab6e00 ** 6 printk messages dropped ** [ 1343.118060][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.118087][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.118117][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.118139][ T32] r4:84b5d380 [ 1343.118400][ T32] INFO: task kworker/1:819:5120 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.118437][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.118496][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.118559][ T32] Call trace: [ 1343.118596][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.118650][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.118675][ T32] r4:00000000 [ 1343.118711][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.118758][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.118788][ T32] dd20: aa5a9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.118818][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.118845][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.118869][ T32] r5:800d0013 r4:80239bb0 [ 1343.118889][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.118930][ T32] r4:82ac21e4 [ 1343.118951][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.118996][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.119034][ T32] r4:e044ddc0 [ 1343.119058][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.119104][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.119126][ T32] r4:00000000 [ 1343.119158][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.119210][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.119233][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.150210][ T32] r5:00001000 r4:ed353000 [ 1343.150320][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.150413][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.150470][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.150496][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.150556][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.150584][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.150644][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.150674][ T32] r4:84ab5800 [ 1343.150741][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.150832][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.150865][ T32] r4:00000001 [ 1343.150944][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.150994][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.151048][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.151166][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.151202][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.151240][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.151270][ T32] r4:84ab0640 [ 1343.151299][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.151334][ T32] INFO: task kworker/0:177:5121 blocked for more than 469 seconds. [ 1343.151382][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.151414][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.151543][ T32] task:kworker/0:177 state:D stack:0 pid:5121 tgid:5121 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.151622][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.151678][ T32] Call trace: [ 1343.151719][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.151785][ T32] r10:8291a684 r9:eb709d84 r8:00000002 r7:60000113 r6:eb709d8c r5:84612400 [ 1343.151813][ T32] r4:84612400 [ 1343.151838][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.151883][ T32] r5:84612400 r4:8291a680 [ 1343.151904][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.151944][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.152016][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb709e08 [ 1343.152052][ T32] r4:00000000 [ 1343.152088][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 2 printk messages dropped ** [ 1343.152213][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5d880 ** 7 printk messages dropped ** [ 1343.152623][ T32] r5:855ebf8c r4:855ebc00 [ 1343.152655][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1343.152836][ T32] r10:61c88647 r9:84612400 r8:845bb32c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1343.153305][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1343.154355][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 6 printk messages dropped ** [ 1343.154727][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1343.155091][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 7 printk messages dropped ** [ 1343.155398][ T32] r5:85c0ff8c r4:85c0fc00 ** 4 printk messages dropped ** [ 1343.155578][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1343.155689][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1343.155864][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1343.156255][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1343.156552][ T32] r5:84616000 r4:8291a680 ** 3 printk messages dropped ** [ 1343.156677][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1343.156892][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5d940 ** 7 printk messages dropped ** [ 1343.157200][ T32] r5:855eab8c r4:855ea800 ** 2 printk messages dropped ** [ 1343.157317][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1343.157772][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1343.158478][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.158503][ T32] r4:00000000 [ 1343.158550][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.158597][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.158632][ T32] dd20: aabf9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.158693][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.158737][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.158766][ T32] r5:800d0013 r4:80239bb0 [ 1343.158849][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.158898][ T32] r4:82ac21e4 [ 1343.158926][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.159006][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.159036][ T32] r4:e044ddc0 [ 1343.159083][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.159164][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.159193][ T32] r4:00000000 [ 1343.159271][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.174681][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.174737][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.174813][ T32] r5:00001000 r4:ed353000 [ 1343.174835][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.174879][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.174924][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.174946][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.174999][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.175021][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.175071][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.175095][ T32] r4:84ab5800 [ 1343.175116][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.175178][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.175207][ T32] r4:00000001 [ 1343.175231][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.175272][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.175305][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.175334][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.175367][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.175398][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.175459][ T32] r4:84ab0640 [ 1343.175517][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.175610][ T32] INFO: task kworker/1:821:5124 blocked for more than 469 seconds. [ 1343.175660][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.175690][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.175714][ T32] task:kworker/1:821 state:D stack:0 pid:5124 tgid:5124 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.175837][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.175973][ T32] Call trace: [ 1343.176067][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.176129][ T32] r10:8291a684 r9:eb729d84 r8:00000002 r7:60000113 r6:eb729d8c r5:855a8c00 [ 1343.176154][ T32] r4:855a8c00 [ 1343.176175][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.176244][ T32] r5:855a8c00 r4:8291a680 [ 1343.176271][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.176314][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.176376][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb729e08 [ 1343.176416][ T32] r4:00000000 [ 1343.176442][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.176560][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.176607][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.176651][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5d840 [ 1343.176676][ T32] r4:00000000 [ 1343.176696][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 1 printk messages dropped ** [ 1343.176765][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1343.176945][ T32] r5:855ea78c r4:855ea400 ** 1 printk messages dropped ** [ 1343.177028][ T32] r7:ddde2d80 r6:83018200 r5:855ea78c r4:84ab6f80 ** 5 printk messages dropped ** [ 1343.177259][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1343.177489][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1343.178217][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1343.178531][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1343.178695][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 12 printk messages dropped ** [ 1343.179215][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1343.192047][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1343.192425][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1343.192815][ T32] r4:83bc0000 ** 5 printk messages dropped ** [ 1343.193017][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1343.193160][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5dc40 ** 7 printk messages dropped ** [ 1343.193538][ T32] r5:855eb38c r4:855eb000 ** 2 printk messages dropped ** [ 1343.193688][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1343.194002][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1343.194788][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1343.195108][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1343.195340][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1343.195612][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1343.195898][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1343.196139][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1343.196340][ T32] task:kworker/1:823 state:D stack:0 pid:5128 tgid:5128 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.196397][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.196442][ T32] Call trace: [ 1343.196473][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.196549][ T32] r10:8291a684 r9:eb735d84 r8:00000002 r7:60000013 r6:eb735d8c r5:83bc0c00 [ 1343.196574][ T32] r4:83bc0c00 [ 1343.196596][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.196642][ T32] r5:83bc0c00 r4:8291a680 [ 1343.196662][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.196725][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.196812][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb735e08 [ 1343.196840][ T32] r4:00000000 [ 1343.196862][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.196900][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.196935][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.196989][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5d780 [ 1343.197042][ T32] r4:00000000 [ 1343.197068][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.197115][ T32] r9:83018205 r8:83bc0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1343.197139][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.197181][ T32] r5:00001000 r4:eb5b3000 [ 1343.197226][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.197274][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.197320][ T32] r5:855eaf8c r4:855eac00 [ 1343.197368][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.197423][ T32] r7:ddde2d80 r6:83018200 r5:855eaf8c r4:85516080 [ 1343.197446][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.197495][ T32] r10:61c88647 r9:83bc0c00 r8:855160ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.197543][ T32] r4:85516080 [ 1343.197568][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.197639][ T32] r10:00000000 r9:85516080 r8:80287e08 r7:eb731e60 r6:845bb580 r5:83bc0c00 [ 1343.197691][ T32] r4:00000001 [ 1343.197717][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.197780][ T32] Exception stack(0xeb735fb0 to 0xeb735ff8) [ 1343.197812][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1343.197843][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.197870][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.197925][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.197953][ T32] r4:84b5d780 [ 1343.198182][ T32] INFO: task kworker/1:823:5128 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.198241][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.198327][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.198379][ T32] Call trace: [ 1343.198411][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.198464][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.198489][ T32] r4:00000000 [ 1343.198510][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.198563][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.198622][ T32] dd20: ab0ca000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.198657][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.198684][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.198709][ T32] r5:800d0013 r4:80239bb0 [ 1343.198744][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.198815][ T32] r4:82ac21e4 [ 1343.198841][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.198886][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.198952][ T32] r4:e044ddc0 [ 1343.198977][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.199022][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.199046][ T32] r4:00000000 [ 1343.199066][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.199113][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.199153][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.199232][ T32] r5:00001000 r4:ed353000 [ 1343.199333][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.222955][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.223089][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.223123][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.223179][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.223231][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.223290][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.223316][ T32] r4:84ab5800 [ 1343.223338][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.223397][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.223449][ T32] r4:00000001 [ 1343.223476][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.223518][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.223612][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.223648][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.223704][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.223740][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.223792][ T32] r4:84ab0640 [ 1343.223834][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.223866][ T32] INFO: task kworker/1:824:5130 blocked for more than 469 seconds. [ 1343.223905][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.223933][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.223957][ T32] task:kworker/1:824 state:D stack:0 pid:5130 tgid:5130 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.224037][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.224120][ T32] Call trace: [ 1343.224187][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.224246][ T32] r10:8291a684 r9:eb721d84 r8:00000002 r7:60000013 r6:eb721d8c r5:8558bc00 [ 1343.224271][ T32] r4:8558bc00 [ 1343.224298][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.224365][ T32] r5:8558bc00 r4:8291a680 [ 1343.224395][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.224466][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.224546][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb721e08 [ 1343.224598][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1343.224698][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1343.225269][ T32] r5:855ebb8c r4:855eb800 [ 1343.225291][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1343.225589][ T32] r10:00000000 r9:85516100 r8:80287e08 r7:eb731e60 r6:85516180 r5:8558bc00 ** 9 printk messages dropped ** [ 1343.226386][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1343.226779][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 2 printk messages dropped ** [ 1343.226962][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 2 printk messages dropped ** [ 1343.227091][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1343.227304][ T32] r4:e044ddc0 ** 1 printk messages dropped ** [ 1343.227397][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 2 printk messages dropped ** [ 1343.227559][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.227611][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.227670][ T32] r5:00001000 r4:ed353000 [ 1343.227695][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.227757][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.227808][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.227845][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.227928][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.227959][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.228039][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.228075][ T32] r4:84ab5800 [ 1343.228099][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.228150][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.228176][ T32] r4:00000001 [ 1343.228203][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.228244][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.228274][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.228304][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.228332][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.228369][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.228396][ T32] r4:84ab0640 [ 1343.228472][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.228532][ T32] INFO: task kworker/1:825:5132 blocked for more than 469 seconds. [ 1343.228595][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.228626][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.228670][ T32] task:kworker/1:825 state:D stack:0 pid:5132 tgid:5132 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.228759][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.228829][ T32] Call trace: [ 1343.228891][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.228947][ T32] r10:8291a684 r9:eb73dd84 r8:00000002 r7:60000113 r6:eb73dd8c r5:8558c800 [ 1343.228998][ T32] r4:8558c800 [ 1343.229043][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.229122][ T32] r5:8558c800 r4:8291a680 [ 1343.229170][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.229271][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.241787][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb73de08 [ 1343.241876][ T32] r4:00000000 [ 1343.241963][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.242033][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.242102][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.242209][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5dd80 [ 1343.242267][ T32] r4:00000000 [ 1343.242294][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.242347][ T32] r9:83018205 r8:8558c800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1343.242411][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.242507][ T32] r5:00001000 r4:eb745000 [ 1343.242536][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.242581][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.242666][ T32] r5:855eb78c r4:855eb400 [ 1343.242694][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.242774][ T32] r7:ddde2d80 r6:83018200 r5:855eb78c r4:85516200 [ 1343.242830][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.242888][ T32] r10:61c88647 r9:8558c800 r8:8551622c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.242913][ T32] r4:85516200 [ 1343.242987][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.243074][ T32] r10:00000000 r9:85516200 r8:80287e08 r7:eb721e60 r6:85516280 r5:8558c800 [ 1343.243104][ T32] r4:00000001 [ 1343.243154][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.243200][ T32] Exception stack(0xeb73dfb0 to 0xeb73dff8) [ 1343.243236][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.243268][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.243296][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.243328][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.243353][ T32] r4:84b5dcc0 [ 1343.243817][ T32] INFO: task kworker/1:825:5132 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.243886][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.243972][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.244025][ T32] Call trace: [ 1343.244061][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.244118][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.244170][ T32] r4:00000000 [ 1343.244198][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.244245][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.244276][ T32] dd20: ab5a8000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.244348][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.244386][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.244413][ T32] r5:800d0013 r4:80239bb0 [ 1343.244437][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.244482][ T32] r4:82ac21e4 [ 1343.244533][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.244582][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.244607][ T32] r4:e044ddc0 [ 1343.244628][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.244698][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.244728][ T32] r4:00000000 [ 1343.244750][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.244829][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.244858][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.244909][ T32] r5:00001000 r4:ed353000 [ 1343.244931][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.245027][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.245133][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.245160][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.245213][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.245238][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.245288][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.245313][ T32] r4:84ab5800 [ 1343.245334][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.245403][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.245461][ T32] r4:00000001 [ 1343.245487][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.245527][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.245555][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1343.245735][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1343.246086][ T32] task:kworker/1:826 state:D stack:0 pid:5135 tgid:5135 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1343.246529][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1343.246712][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1343.246952][ T32] r9:83018205 r8:8558d400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b5000 ** 4 printk messages dropped ** [ 1343.247175][ T32] r5:855f078c r4:855f0400 [ 1343.247198][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.247250][ T32] r7:ddde2d80 r6:83018200 r5:855f078c r4:85516300 ** 1 printk messages dropped ** [ 1343.247322][ T32] r10:61c88647 r9:8558d400 r8:8551632c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1343.247547][ T32] Exception stack(0xeb749fb0 to 0xeb749ff8) ** 3 printk messages dropped ** [ 1343.247730][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 4 printk messages dropped ** [ 1343.248342][ T32] Call trace: [ 1343.248406][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.248467][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.248493][ T32] r4:00000000 [ 1343.248543][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.248588][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.248619][ T32] dd20: ab5a8000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.248649][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.248676][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.248701][ T32] r5:800d0013 r4:80239bb0 [ 1343.248722][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.248767][ T32] r4:82ac21e4 [ 1343.248802][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.248853][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.248878][ T32] r4:e044ddc0 [ 1343.248901][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.248945][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.248969][ T32] r4:00000000 [ 1343.248990][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.249039][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.249090][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.249141][ T32] r5:00001000 r4:ed353000 [ 1343.249165][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.249280][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.271848][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.271904][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.271985][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.272010][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.272063][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.272087][ T32] r4:84ab5800 [ 1343.272108][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.272157][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.272181][ T32] r4:00000001 [ 1343.272222][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.272274][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.272328][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.272383][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.272418][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.272451][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.272496][ T32] r4:84ab0640 [ 1343.272547][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.272581][ T32] INFO: task kworker/1:827:5136 blocked for more than 469 seconds. [ 1343.272638][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.272691][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.272719][ T32] task:kworker/1:827 state:D stack:0 pid:5136 tgid:5136 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.272783][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.272884][ T32] Call trace: [ 1343.272923][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.272978][ T32] r10:8291a684 r9:eb72dd84 r8:00000002 r7:60000113 r6:eb72dd8c r5:8558e000 [ 1343.273003][ T32] r4:8558e000 [ 1343.273043][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.273093][ T32] r5:8558e000 r4:8291a680 [ 1343.273117][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.273158][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.273202][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb72de08 [ 1343.273225][ T32] r4:00000000 [ 1343.273269][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.273333][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.273384][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.273429][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cb040 [ 1343.273474][ T32] r4:00000000 [ 1343.273501][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.273551][ T32] r9:83018205 r8:8558e000 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 [ 1343.273575][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.273620][ T32] r5:00001000 r4:eb769000 [ 1343.273642][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.273682][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.273726][ T32] r5:855f038c r4:855f0000 [ 1343.273747][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.273817][ T32] r7:ddde2d80 r6:83018200 r5:855f038c r4:85516400 [ 1343.273844][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.273917][ T32] r10:61c88647 r9:8558e000 r8:8551642c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.273949][ T32] r4:85516400 [ 1343.273970][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.274017][ T32] r10:00000000 r9:85516400 r8:80287e08 r7:eb749e60 r6:85516480 r5:8558e000 [ 1343.274041][ T32] r4:00000001 [ 1343.274083][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.274124][ T32] Exception stack(0xeb72dfb0 to 0xeb72dff8) [ 1343.274152][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.274182][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.274231][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.274291][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.274339][ T32] r4:84b5dd00 [ 1343.274780][ T32] INFO: task kworker/1:827:5136 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.274849][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.274985][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.275062][ T32] Call trace: [ 1343.275115][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.275193][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.275227][ T32] r4:00000000 [ 1343.275248][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.275289][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.275318][ T32] dd20: aba9c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.275369][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1343.275737][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1343.276208][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1343.276564][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1343.276867][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1343.277238][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1343.277682][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1343.277864][ T32] r5:855f0b8c r4:855f0800 ** 3 printk messages dropped ** [ 1343.278042][ T32] r10:61c88647 r9:8558ec00 r8:8551652c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1343.278164][ T32] r10:00000000 r9:85516500 r8:80287e08 r7:eb749e60 r6:85516580 r5:8558ec00 ** 4 printk messages dropped ** [ 1343.278431][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1343.278511][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 3 printk messages dropped ** [ 1343.278902][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1343.279031][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 3 printk messages dropped ** [ 1343.279195][ T32] dd20: aba9c000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 1 printk messages dropped ** [ 1343.299757][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.299813][ T32] r5:800d0013 r4:80239bb0 [ 1343.299864][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.299955][ T32] r4:82ac21e4 [ 1343.299981][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.300027][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.300072][ T32] r4:e044ddc0 [ 1343.300096][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.300142][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.300166][ T32] r4:00000000 [ 1343.300196][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.300248][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.300271][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.300319][ T32] r5:00001000 r4:ed353000 [ 1343.300341][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.300400][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.300449][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.300493][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.300570][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.300593][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.300641][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.300665][ T32] r4:84ab5800 [ 1343.300705][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.300779][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.300827][ T32] r4:00000001 [ 1343.300851][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.300893][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.300921][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.300964][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.300996][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.301026][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.301049][ T32] r4:84ab0640 [ 1343.301075][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.301117][ T32] INFO: task kworker/0:178:5141 blocked for more than 469 seconds. [ 1343.301153][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.301189][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.301217][ T32] task:kworker/0:178 state:D stack:0 pid:5141 tgid:5141 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.301278][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.301325][ T32] Call trace: [ 1343.301358][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.301423][ T32] r10:8291a684 r9:eb78dd84 r8:00000002 r7:60000113 r6:eb78dd8c r5:83bc2400 [ 1343.301460][ T32] r4:83bc2400 [ 1343.301485][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.301530][ T32] r5:83bc2400 r4:8291a680 [ 1343.301553][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.301608][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.301668][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb78de08 [ 1343.301705][ T32] r4:00000000 [ 1343.301728][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.301765][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.301799][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.301842][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cb100 [ 1343.301896][ T32] r4:00000000 [ 1343.301921][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.301970][ T32] r9:83018005 r8:83bc2400 r7:00000000 r6:83018000 r5:00001000 r4:7f05d000 [ 1343.301993][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.302065][ T32] r5:00001000 r4:eb6c1000 [ 1343.302090][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.302156][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.302204][ T32] r5:841dbf8c r4:841dbc00 [ 1343.302227][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.302273][ T32] r7:dddced80 r6:83018000 r5:841dbf8c r4:845bb600 [ 1343.302294][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.302354][ T32] r10:61c88647 r9:83bc2400 r8:845bb62c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.302388][ T32] r4:845bb600 [ 1343.302409][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.302456][ T32] r10:00000000 r9:845bb600 r8:80287e08 r7:eb5bde60 r6:845bb680 r5:83bc2400 [ 1343.302481][ T32] r4:00000001 [ 1343.302501][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.302537][ T32] Exception stack(0xeb78dfb0 to 0xeb78dff8) [ 1343.302595][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.302629][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.302657][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.302688][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.302711][ T32] r4:845b8c80 [ 1343.303150][ T32] INFO: task kworker/0:178:5141 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.303186][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.303289][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.303341][ T32] Call trace: [ 1343.303372][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.303454][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.303483][ T32] r4:00000000 [ 1343.303504][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.303576][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.303609][ T32] dd20: abeab000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.303639][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.303665][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.303690][ T32] r5:800d0013 r4:80239bb0 [ 1343.303721][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.303791][ T32] r4:82ac21e4 [ 1343.303838][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.303888][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.303964][ T32] r4:e044ddc0 [ 1343.303989][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.304034][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.304057][ T32] r4:00000000 [ 1343.304077][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.304125][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.304147][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1343.304438][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 3 printk messages dropped ** [ 1343.304629][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 4 printk messages dropped ** [ 1343.304835][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1343.304916][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.304947][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.304991][ T32] r4:84ab0640 [ 1343.305028][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.305059][ T32] INFO: task kworker/1:829:5143 blocked for more than 469 seconds. [ 1343.305089][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.305114][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.305147][ T32] task:kworker/1:829 state:D stack:0 pid:5143 tgid:5143 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.305245][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.305317][ T32] Call trace: [ 1343.305381][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.305433][ T32] r10:8291a684 r9:eb791d84 r8:00000002 r7:60000113 r6:eb791d8c r5:83bc3000 [ 1343.305457][ T32] r4:83bc3000 [ 1343.305495][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.305543][ T32] r5:83bc3000 r4:8291a680 [ 1343.305577][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.305621][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.305665][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb791e08 [ 1343.305688][ T32] r4:00000000 [ 1343.305728][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.305771][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.305807][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.305871][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cb5c0 [ 1343.305899][ T32] r4:00000000 [ 1343.305945][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.306020][ T32] r9:83018205 r8:83bc3000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c9000 [ 1343.306048][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.306114][ T32] r5:00001000 r4:eb789000 [ 1343.306144][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.306187][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.306230][ T32] r5:855f0f8c r4:855f0c00 [ 1343.306251][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.306298][ T32] r7:ddde2d80 r6:83018200 r5:855f0f8c r4:85516600 [ 1343.306319][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.306368][ T32] r10:61c88647 r9:83bc3000 r8:8551662c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.306397][ T32] r4:85516600 [ 1343.306417][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.306463][ T32] r10:00000000 r9:85516600 r8:80287e08 r7:eb761e60 r6:845bb700 r5:83bc3000 [ 1343.306485][ T32] r4:00000001 [ 1343.306505][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.306540][ T32] Exception stack(0xeb791fb0 to 0xeb791ff8) [ 1343.306567][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1343.306606][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.306638][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.306668][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.306693][ T32] r4:841cb240 [ 1343.306957][ T32] INFO: task kworker/1:829:5143 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.307020][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.307127][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.307174][ T32] Call trace: [ 1343.307205][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.307258][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.307282][ T32] r4:00000000 [ 1343.307335][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.307392][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.307435][ T32] dd20: abeab000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.307472][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.307501][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.307526][ T32] r5:800d0013 r4:80239bb0 [ 1343.307548][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.307591][ T32] r4:82ac21e4 [ 1343.307612][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.307656][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.307698][ T32] r4:e044ddc0 [ 1343.307745][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.307795][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.307830][ T32] r4:00000000 [ 1343.307855][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.307913][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.307941][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.308008][ T32] r5:00001000 r4:ed353000 [ 1343.308057][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.308105][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.308150][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.308171][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.308220][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.308265][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.308330][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.308366][ T32] r4:84ab5800 [ 1343.308408][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.308484][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.308541][ T32] r4:00000001 [ 1343.308564][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.308602][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.308650][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.308684][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.308713][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.308743][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.308787][ T32] r4:84ab0640 [ 1343.308818][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.308847][ T32] INFO: task kworker/1:830:5145 blocked for more than 469 seconds. [ 1343.308904][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.308940][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.308963][ T32] task:kworker/1:830 state:D stack:0 pid:5145 tgid:5145 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.309009][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.309068][ T32] Call trace: [ 1343.309101][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.309150][ T32] r10:8291a684 r9:eb7a1d84 r8:00000002 r7:60000013 r6:eb7a1d8c r5:83bc4800 [ 1343.309198][ T32] r4:83bc4800 [ 1343.309246][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.309381][ T32] r5:83bc4800 r4:8291a680 [ 1343.336824][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.336956][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.337041][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7a1e08 [ 1343.337095][ T32] r4:00000000 [ 1343.337128][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.337169][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.337211][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.337256][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cb6c0 [ 1343.337280][ T32] r4:00000000 [ 1343.337303][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.337382][ T32] r9:83018205 r8:83bc4800 r7:00000000 r6:83018200 r5:00001000 r4:7f0cb000 [ 1343.337414][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.337532][ T32] r5:00001000 r4:eb799000 [ 1343.337565][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.337611][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.337657][ T32] r5:855f138c r4:855f1000 [ 1343.337679][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.337752][ T32] r7:ddde2d80 r6:83018200 r5:855f138c r4:85516680 [ 1343.337786][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.337855][ T32] r10:61c88647 r9:83bc4800 r8:855166ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.337907][ T32] r4:85516680 [ 1343.337942][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.338003][ T32] r10:00000000 r9:85516680 r8:80287e08 r7:eb791e60 r6:845bb780 r5:83bc4800 ** 4 printk messages dropped ** [ 1343.338225][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1343.338902][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1343.352294][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1343.352530][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 1 printk messages dropped ** [ 1343.352609][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 3 printk messages dropped ** [ 1343.352732][ T32] r4:82ac21e4 ** 1 printk messages dropped ** [ 1343.352796][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 3 printk messages dropped ** [ 1343.352962][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1343.353112][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1343.353515][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1343.353636][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1343.353800][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1343.353931][ T32] r4:84ab0640 ** 2 printk messages dropped ** [ 1343.354033][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 2 printk messages dropped ** [ 1343.354175][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1343.354355][ T32] r4:83bc3c00 ** 2 printk messages dropped ** [ 1343.354476][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1343.354775][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:849a3240 ** 5 printk messages dropped ** [ 1343.355047][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.355091][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.355156][ T32] r5:855f378c r4:855f3400 [ 1343.355210][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.355262][ T32] r7:ddde2d80 r6:83018200 r5:855f378c r4:85516700 [ 1343.355284][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.355332][ T32] r10:61c88647 r9:83bc3c00 r8:8551672c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.355355][ T32] r4:85516700 [ 1343.355414][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.355477][ T32] r10:00000000 r9:85516700 r8:80287e08 r7:eb7a1e60 r6:845bb800 r5:83bc3c00 [ 1343.355505][ T32] r4:00000001 [ 1343.355525][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.355563][ T32] Exception stack(0xeb5cdfb0 to 0xeb5cdff8) [ 1343.355591][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.355648][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.355686][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.355718][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.355741][ T32] r4:841cb4c0 [ 1343.356170][ T32] INFO: task kworker/1:831:5147 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.356207][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.356282][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.356329][ T32] Call trace: [ 1343.356370][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.356433][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.356469][ T32] r4:00000000 [ 1343.356493][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.356560][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.356590][ T32] dd20: ac759000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.356620][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.356646][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.356670][ T32] r5:800d0013 r4:80239bb0 [ 1343.356691][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.356733][ T32] r4:82ac21e4 [ 1343.356779][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.356828][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.356874][ T32] r4:e044ddc0 [ 1343.356924][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.356972][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.357012][ T32] r4:00000000 [ 1343.357047][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.357099][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.357131][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.357180][ T32] r5:00001000 r4:ed353000 [ 1343.357236][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.357285][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.357334][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.357356][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.357439][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.357469][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.357530][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.357558][ T32] r4:84ab5800 [ 1343.357600][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.357661][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.357687][ T32] r4:00000001 [ 1343.357707][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.357766][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.357829][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.357863][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.357891][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.357921][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.357944][ T32] r4:84ab0640 [ 1343.357965][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.357991][ T32] INFO: task kworker/1:832:5148 blocked for more than 469 seconds. [ 1343.358020][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.358067][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.358096][ T32] task:kworker/1:832 state:D stack:0 pid:5148 tgid:5148 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.358197][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.358258][ T32] Call trace: [ 1343.358322][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 1 printk messages dropped ** [ 1343.358424][ T32] r4:83bc6000 ** 4 printk messages dropped ** [ 1343.358616][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb649e08 [ 1343.358639][ T32] r4:00000000 [ 1343.358659][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.358719][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.358788][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.358881][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cb840 [ 1343.358910][ T32] r4:00000000 [ 1343.358932][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.358999][ T32] r9:83018205 r8:83bc6000 r7:00000000 r6:83018200 r5:00001000 r4:7f00f000 [ 1343.359027][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.359071][ T32] r5:00001000 r4:dfa19000 [ 1343.359114][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.359179][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.359227][ T32] r5:855f178c r4:855f1400 [ 1343.359248][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.359387][ T32] r7:ddde2d80 r6:83018200 r5:855f178c r4:85516780 [ 1343.373801][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.373896][ T32] r10:61c88647 r9:83bc6000 r8:855167ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.373945][ T32] r4:85516780 [ 1343.373972][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.374024][ T32] r10:00000000 r9:85516780 r8:80287e08 r7:eb5cde60 r6:845bb880 r5:83bc6000 [ 1343.374047][ T32] r4:00000001 [ 1343.374089][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.374158][ T32] Exception stack(0xeb649fb0 to 0xeb649ff8) [ 1343.374194][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.374252][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.374286][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.374316][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.374338][ T32] r4:841cb4c0 [ 1343.374758][ T32] INFO: task kworker/1:832:5148 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.374807][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.374926][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.375031][ T32] Call trace: ** 6 printk messages dropped ** [ 1343.375409][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 3 printk messages dropped ** [ 1343.375579][ T32] r4:82ac21e4 [ 1343.375609][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.375670][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.375696][ T32] r4:e044ddc0 [ 1343.375741][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.375789][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.375833][ T32] r4:00000000 [ 1343.375901][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.375954][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.375978][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.376043][ T32] r5:00001000 r4:ed353000 [ 1343.376069][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.376111][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.376155][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.376175][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.376269][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.376351][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.376429][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 4 printk messages dropped ** [ 1343.376628][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1343.376911][ T32] INFO: task kworker/1:833:5150 blocked for more than 469 seconds. ** 3 printk messages dropped ** [ 1343.377118][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1343.377513][ T32] r5:83bc1800 r4:8291a680 ** 2 printk messages dropped ** [ 1343.377715][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb65de08 ** 4 printk messages dropped ** [ 1343.377970][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cb980 ** 4 printk messages dropped ** [ 1343.378203][ T32] r5:00001000 r4:dfaaf000 ** 2 printk messages dropped ** [ 1343.378328][ T32] r5:855f1b8c r4:855f1800 [ 1343.378349][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.378401][ T32] r7:ddde2d80 r6:83018200 r5:855f1b8c r4:85516800 [ 1343.378423][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.378490][ T32] r10:61c88647 r9:83bc1800 r8:8551682c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1343.378644][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1343.378778][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1343.379125][ T32] INFO: task kworker/1:833:5150 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 2 printk messages dropped ** [ 1343.392013][ T32] Call trace: ** 2 printk messages dropped ** [ 1343.392148][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1343.392237][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 2 printk messages dropped ** [ 1343.392327][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 2 printk messages dropped ** [ 1343.392427][ T32] r4:82ac21e4 ** 1 printk messages dropped ** [ 1343.392551][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 3 printk messages dropped ** [ 1343.392720][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1343.392872][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1343.393081][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 3 printk messages dropped ** [ 1343.393217][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 2 printk messages dropped ** [ 1343.393326][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.393381][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.393422][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.393475][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.393515][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.393558][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.393605][ T32] r4:84ab0640 [ 1343.393644][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.393680][ T32] INFO: task kworker/1:834:5152 blocked for more than 469 seconds. [ 1343.393715][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.393742][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.393766][ T32] task:kworker/1:834 state:D stack:0 pid:5152 tgid:5152 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.393818][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.393912][ T32] Call trace: [ 1343.393962][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.394016][ T32] r10:8291a684 r9:eb679d84 r8:00000002 r7:60000013 r6:eb679d8c r5:83bc6c00 [ 1343.394040][ T32] r4:83bc6c00 [ 1343.394071][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.394120][ T32] r5:83bc6c00 r4:8291a680 [ 1343.394143][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.394183][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.394227][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb679e08 [ 1343.394251][ T32] r4:00000000 [ 1343.394270][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.394306][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.394342][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.394391][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cbac0 [ 1343.394418][ T32] r4:00000000 [ 1343.394439][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.394485][ T32] r9:83018205 r8:83bc6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 [ 1343.394507][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.394599][ T32] r5:00001000 r4:dfeb3000 [ 1343.394625][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.394703][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.394753][ T32] r5:855f1f8c r4:855f1c00 [ 1343.394774][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.394822][ T32] r7:ddde2d80 r6:83018200 r5:855f1f8c r4:85516880 [ 1343.394844][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.394905][ T32] r10:61c88647 r9:83bc6c00 r8:855168ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.394957][ T32] r4:85516880 [ 1343.394982][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.395054][ T32] r10:00000000 r9:85516880 r8:80287e08 r7:eb5cde60 r6:845bb980 r5:83bc6c00 [ 1343.395103][ T32] r4:00000001 [ 1343.395129][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.395167][ T32] Exception stack(0xeb679fb0 to 0xeb679ff8) [ 1343.395195][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.395225][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.395263][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.395318][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.395348][ T32] r4:841cb7c0 [ 1343.395790][ T32] INFO: task kworker/1:834:5152 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.395852][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.395972][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.396044][ T32] Call trace: [ 1343.396094][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.396150][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.396189][ T32] r4:00000000 [ 1343.396236][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.396282][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.396311][ T32] dd20: acd50000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.396341][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.396387][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.396419][ T32] r5:800d0013 r4:80239bb0 [ 1343.396441][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.396485][ T32] r4:82ac21e4 [ 1343.396533][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.396581][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.396606][ T32] r4:e044ddc0 [ 1343.396659][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.396709][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.396733][ T32] r4:00000000 [ 1343.396794][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.396860][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.396889][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.396936][ T32] r5:00001000 r4:ed353000 [ 1343.396959][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.397001][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.397046][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.397082][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.397137][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.397182][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.397241][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.397296][ T32] r4:84ab5800 [ 1343.397321][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.397387][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.397417][ T32] r4:00000001 [ 1343.397452][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.397494][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.397522][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.397552][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.397579][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.397609][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.397638][ T32] r4:84ab0640 [ 1343.397671][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.397702][ T32] INFO: task kworker/1:835:5154 blocked for more than 469 seconds. [ 1343.397733][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.397778][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.397814][ T32] task:kworker/1:835 state:D stack:0 pid:5154 tgid:5154 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.397866][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.397910][ T32] Call trace: [ 1343.397961][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.398051][ T32] r10:8291a684 r9:eb691d84 r8:00000002 r7:60000113 r6:eb691d8c r5:85660c00 [ 1343.398080][ T32] r4:85660c00 [ 1343.398102][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.398148][ T32] r5:85660c00 r4:8291a680 [ 1343.398169][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.398208][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.398275][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb691e08 [ 1343.398352][ T32] r4:00000000 [ 1343.398397][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.398442][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.398478][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.398521][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cbc00 [ 1343.398544][ T32] r4:00000000 [ 1343.398576][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.398660][ T32] r9:83018205 r8:85660c00 r7:00000000 r6:83018200 r5:00001000 r4:7f02d000 [ 1343.398707][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.398777][ T32] r5:00001000 r4:e04b3000 [ 1343.398808][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.398852][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.398945][ T32] r5:855f238c r4:855f2000 [ 1343.398993][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.399047][ T32] r7:ddde2d80 r6:83018200 r5:855f238c r4:85516900 [ 1343.399070][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.399120][ T32] r10:61c88647 r9:85660c00 r8:8551692c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.399144][ T32] r4:85516900 [ 1343.399164][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.399211][ T32] r10:00000000 r9:85516900 r8:80287e08 r7:eb5cde60 r6:845bba00 r5:85660c00 [ 1343.399303][ T32] r4:00000001 [ 1343.422605][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.422711][ T32] Exception stack(0xeb691fb0 to 0xeb691ff8) [ 1343.422782][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1343.422846][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.422900][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.422939][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.422966][ T32] r4:841cb940 [ 1343.423425][ T32] INFO: task kworker/1:835:5154 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.423489][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.423592][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.423669][ T32] Call trace: [ 1343.423704][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.423786][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.423818][ T32] r4:00000000 [ 1343.423841][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.423897][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.423931][ T32] dd20: ad349000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.423961][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.424019][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.424067][ T32] r5:800d0013 r4:80239bb0 [ 1343.424094][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.424140][ T32] r4:82ac21e4 ** 1 printk messages dropped ** [ 1343.424206][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 3 printk messages dropped ** [ 1343.424318][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1343.424495][ T32] r5:00001000 r4:ed353000 ** 2 printk messages dropped ** [ 1343.424702][ T32] r5:85c0ff8c r4:85c0fc00 ** 5 printk messages dropped ** [ 1343.424898][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1343.425167][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1343.425446][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.425535][ T32] Call trace: [ 1343.425571][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.425624][ T32] r10:8291a684 r9:eb6a9d84 r8:00000002 r7:60000113 r6:eb6a9d8c r5:85660000 [ 1343.425649][ T32] r4:85660000 [ 1343.425670][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.425738][ T32] r5:85660000 r4:8291a680 [ 1343.425764][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.425818][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.425903][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6a9e08 [ 1343.425938][ T32] r4:00000000 [ 1343.425959][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.426010][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.426052][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.426118][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cbd40 [ 1343.426146][ T32] r4:00000000 [ 1343.426198][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.426252][ T32] r9:83018205 r8:85660000 r7:00000000 r6:83018200 r5:00001000 r4:7f02f000 [ 1343.426301][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.426358][ T32] r5:00001000 r4:e0663000 [ 1343.426386][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.426468][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.426523][ T32] r5:855f278c r4:855f2400 [ 1343.426545][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.426595][ T32] r7:ddde2d80 r6:83018200 r5:855f278c r4:85516980 [ 1343.426644][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.426698][ T32] r10:61c88647 r9:85660000 r8:855169ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.426722][ T32] r4:85516980 [ 1343.426762][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.426817][ T32] r10:00000000 r9:85516980 r8:80287e08 r7:eb5cde60 r6:845bba80 r5:85660000 [ 1343.426841][ T32] r4:00000001 [ 1343.426862][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.426924][ T32] Exception stack(0xeb6a9fb0 to 0xeb6a9ff8) [ 1343.426956][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.426987][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.427014][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.427045][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.427069][ T32] r4:841cba80 [ 1343.427323][ T32] INFO: task kworker/1:836:5156 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.427359][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.427461][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.427513][ T32] Call trace: [ 1343.427595][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.427663][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.427689][ T32] r4:00000000 [ 1343.427709][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.427765][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.427800][ T32] dd20: ad349000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.427831][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.427858][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.427942][ T32] r5:800d0013 r4:80239bb0 [ 1343.427974][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.428019][ T32] r4:82ac21e4 [ 1343.428062][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.428112][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.428137][ T32] r4:e044ddc0 [ 1343.428185][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.428251][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.428305][ T32] r4:00000000 [ 1343.428330][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.428398][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.428426][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.428493][ T32] r5:00001000 r4:ed353000 [ 1343.428542][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.428587][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.428655][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.428681][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.428754][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.428782][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.428833][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.428868][ T32] r4:84ab5800 [ 1343.428892][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.428941][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.428977][ T32] r4:00000001 [ 1343.429002][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.429041][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.429093][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.429127][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.429157][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.429224][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.429256][ T32] r4:84ab0640 [ 1343.429321][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.449889][ T32] INFO: task kworker/1:837:5158 blocked for more than 469 seconds. [ 1343.449956][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.449987][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.450013][ T32] task:kworker/1:837 state:D stack:0 pid:5158 tgid:5158 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.450085][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.450154][ T32] Call trace: [ 1343.450191][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.450256][ T32] r10:8291a684 r9:eb6c5d84 r8:00000002 r7:60000113 r6:eb6c5d8c r5:85661800 [ 1343.450283][ T32] r4:85661800 [ 1343.450308][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.450357][ T32] r5:85661800 r4:8291a680 [ 1343.450389][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.450435][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.450484][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6c5e08 [ 1343.450509][ T32] r4:00000000 [ 1343.450532][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.450570][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.450627][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.450681][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cbe80 [ 1343.450726][ T32] r4:00000000 [ 1343.450753][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.450838][ T32] r9:83018205 r8:85661800 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 [ 1343.450879][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.450983][ T32] r5:00001000 r4:ea795000 [ 1343.451027][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.451076][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.451125][ T32] r5:855f2b8c r4:855f2800 [ 1343.451147][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.451200][ T32] r7:ddde2d80 r6:83018200 r5:855f2b8c r4:85516a00 [ 1343.451229][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.451301][ T32] r10:61c88647 r9:85661800 r8:85516a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.451333][ T32] r4:85516a00 [ 1343.451355][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.451416][ T32] r10:00000000 r9:85516a00 r8:80287e08 r7:eb5cde60 r6:845bbb00 r5:85661800 [ 1343.451441][ T32] r4:00000001 [ 1343.451462][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.451502][ T32] Exception stack(0xeb6c5fb0 to 0xeb6c5ff8) [ 1343.451532][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1343.451562][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.451591][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.451623][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 4 printk messages dropped ** [ 1343.452260][ T32] Call trace: ** 4 printk messages dropped ** [ 1343.452459][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 2 printk messages dropped ** [ 1343.452575][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 4 printk messages dropped ** [ 1343.452765][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.452812][ T32] r4:e044ddc0 [ 1343.452837][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.452881][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.452935][ T32] r4:00000000 [ 1343.452960][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.453009][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.453051][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.453103][ T32] r5:00001000 r4:ed353000 [ 1343.453144][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.453190][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.453234][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.453254][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.453301][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.453323][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.453413][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.453442][ T32] r4:84ab5800 [ 1343.453463][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.453511][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.453534][ T32] r4:00000001 [ 1343.453553][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.453589][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.453627][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.453702][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.453757][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.453790][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.453813][ T32] r4:84ab0640 [ 1343.453845][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.453894][ T32] INFO: task kworker/1:838:5160 blocked for more than 469 seconds. [ 1343.453960][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.453999][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.454025][ T32] task:kworker/1:838 state:D stack:0 pid:5160 tgid:5160 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.454114][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.454190][ T32] Call trace: [ 1343.454245][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.454336][ T32] r10:8291a684 r9:eb6ddd84 r8:00000002 r7:60000013 r6:eb6ddd8c r5:85662400 [ 1343.454363][ T32] r4:85662400 [ 1343.454391][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.454436][ T32] r5:85662400 r4:8291a680 [ 1343.454456][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.454495][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.454545][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6dde08 [ 1343.454591][ T32] r4:00000000 [ 1343.454623][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.454664][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.454699][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.454781][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cbfc0 [ 1343.454809][ T32] r4:00000000 [ 1343.454829][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.454874][ T32] r9:83018205 r8:85662400 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 [ 1343.454896][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.454937][ T32] r5:00001000 r4:ea9f7000 [ 1343.454978][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.455025][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.455068][ T32] r5:855f2f8c r4:855f2c00 [ 1343.455088][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.455153][ T32] r7:ddde2d80 r6:83018200 r5:855f2f8c r4:85516a80 [ 1343.455178][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.455255][ T32] r10:61c88647 r9:85662400 r8:85516aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.455282][ T32] r4:85516a80 [ 1343.455302][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.455367][ T32] r10:00000000 r9:85516a80 r8:80287e08 r7:eb5cde60 r6:845bbb80 r5:85662400 [ 1343.455404][ T32] r4:00000001 [ 1343.455426][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.455462][ T32] Exception stack(0xeb6ddfb0 to 0xeb6ddff8) [ 1343.455559][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.455593][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.455643][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.455677][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.455700][ T32] r4:841cbd00 [ 1343.455917][ T32] INFO: task kworker/1:838:5160 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.455951][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.456029][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.456110][ T32] Call trace: [ 1343.456141][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.456212][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.456241][ T32] r4:00000000 [ 1343.456262][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.456345][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.456381][ T32] dd20: ad840000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.456413][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.456439][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.456463][ T32] r5:800d0013 r4:80239bb0 [ 1343.456523][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.456591][ T32] r4:82ac21e4 [ 1343.456613][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.456657][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.456681][ T32] r4:e044ddc0 [ 1343.456712][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.456759][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.456783][ T32] r4:00000000 [ 1343.456803][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.456853][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.456877][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.456921][ T32] r5:00001000 r4:ed353000 [ 1343.456941][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.457015][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.457129][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.457154][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.457213][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.457239][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.457288][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.457330][ T32] r4:84ab5800 [ 1343.457354][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.457407][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.457431][ T32] r4:00000001 [ 1343.457451][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.457486][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.457513][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.457561][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.457593][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.457623][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.457645][ T32] r4:84ab0640 [ 1343.457665][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.457730][ T32] INFO: task kworker/1:839:5162 blocked for more than 469 seconds. [ 1343.457763][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.457787][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.457808][ T32] task:kworker/1:839 state:D stack:0 pid:5162 tgid:5162 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.457853][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.457894][ T32] Call trace: [ 1343.457924][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.457971][ T32] r10:8291a684 r9:eb7add84 r8:00000002 r7:60000113 r6:eb7add8c r5:85663000 [ 1343.458010][ T32] r4:85663000 [ 1343.458035][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.458080][ T32] r5:85663000 r4:8291a680 [ 1343.458119][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.458162][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.458204][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7ade08 [ 1343.458281][ T32] r4:00000000 [ 1343.458329][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.458367][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.458409][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.458452][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:845b8f40 [ 1343.458485][ T32] r4:00000000 [ 1343.458509][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.458559][ T32] r9:83018205 r8:85663000 r7:00000000 r6:83018200 r5:00001000 r4:7f035000 [ 1343.458592][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.458637][ T32] r5:00001000 r4:eaa5b000 [ 1343.458657][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.458697][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.458739][ T32] r5:855f338c r4:855f3000 [ 1343.458759][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.458828][ T32] r7:ddde2d80 r6:83018200 r5:855f338c r4:85516b00 [ 1343.458854][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.458903][ T32] r10:61c88647 r9:85663000 r8:85516b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.458926][ T32] r4:85516b00 [ 1343.458965][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.459043][ T32] r10:00000000 r9:85516b00 r8:80287e08 r7:eb5cde60 r6:845bbc00 r5:85663000 [ 1343.459069][ T32] r4:00000001 [ 1343.459089][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.459130][ T32] Exception stack(0xeb7adfb0 to 0xeb7adff8) [ 1343.459159][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.459189][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.459216][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.459245][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.459330][ T32] r4:845b8b40 [ 1343.482741][ T32] INFO: task kworker/1:839:5162 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.482834][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.482946][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.483015][ T32] Call trace: [ 1343.483051][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.483114][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.483163][ T32] r4:00000000 [ 1343.483212][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.483276][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.483313][ T32] dd20: addea000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.483345][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.483373][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.483406][ T32] r5:800d0013 r4:80239bb0 [ 1343.483449][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.483500][ T32] r4:82ac21e4 [ 1343.483522][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.483567][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.483654][ T32] r4:e044ddc0 [ 1343.483712][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.483810][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.483840][ T32] r4:00000000 [ 1343.483904][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.483959][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.483982][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.484029][ T32] r5:00001000 r4:ed353000 [ 1343.484073][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.484120][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.484187][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.484214][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.484324][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.484358][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.484420][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.484467][ T32] r4:84ab5800 [ 1343.484493][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.484616][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.484650][ T32] r4:00000001 [ 1343.484672][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1343.484796][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1343.484979][ T32] INFO: task kworker/1:840:5165 blocked for more than 469 seconds. ** 3 printk messages dropped ** [ 1343.485170][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1343.485385][ T32] r4:85665400 ** 3 printk messages dropped ** [ 1343.485542][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.485593][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7b5e08 [ 1343.485617][ T32] r4:00000000 [ 1343.485649][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.485690][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.485727][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.485770][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84630500 [ 1343.485814][ T32] r4:00000000 [ 1343.485840][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.485888][ T32] r9:83018205 r8:85665400 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000 [ 1343.485926][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.485976][ T32] r5:00001000 r4:eaf25000 [ 1343.486001][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.486045][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.486117][ T32] r5:855f438c r4:855f4000 [ 1343.486143][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.486194][ T32] r7:ddde2d80 r6:83018200 r5:855f438c r4:85516b80 [ 1343.486216][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.486297][ T32] r10:61c88647 r9:85665400 r8:85516bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.486328][ T32] r4:85516b80 [ 1343.486363][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.486421][ T32] r10:00000000 r9:85516b80 r8:80287e08 r7:eb5cde60 r6:845bbc80 r5:85665400 [ 1343.486446][ T32] r4:00000001 [ 1343.486476][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.486518][ T32] Exception stack(0xeb7b5fb0 to 0xeb7b5ff8) [ 1343.486547][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1343.486579][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.486607][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.486638][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.486691][ T32] r4:84630080 [ 1343.486951][ T32] INFO: task kworker/1:840:5165 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.486987][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.487046][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.487092][ T32] Call trace: [ 1343.487150][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.487205][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.487230][ T32] r4:00000000 [ 1343.487250][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.487291][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.487321][ T32] dd20: addea000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.487351][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.487405][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.487436][ T32] r5:800d0013 r4:80239bb0 [ 1343.487493][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.487542][ T32] r4:82ac21e4 [ 1343.487588][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.487639][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.487663][ T32] r4:e044ddc0 [ 1343.487706][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.487761][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.487785][ T32] r4:00000000 [ 1343.487828][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.487882][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.487906][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.487950][ T32] r5:00001000 r4:ed353000 [ 1343.487995][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.488043][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.488088][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.488146][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.488202][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.488225][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.488275][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.488298][ T32] r4:84ab5800 [ 1343.488324][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.488390][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.488460][ T32] r4:00000001 [ 1343.488485][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.488550][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.488579][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.488609][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.488636][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.488681][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.488711][ T32] r4:84ab0640 [ 1343.488733][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.488772][ T32] INFO: task kworker/1:841:5166 blocked for more than 469 seconds. [ 1343.488829][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.488858][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.488881][ T32] task:kworker/1:841 state:D stack:0 pid:5166 tgid:5166 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.488956][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.489028][ T32] Call trace: [ 1343.489061][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.489140][ T32] r10:8291a684 r9:eb7b9d84 r8:00000002 r7:60000013 r6:eb7b9d8c r5:85666000 [ 1343.489169][ T32] r4:85666000 [ 1343.489201][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.489252][ T32] r5:85666000 r4:8291a680 [ 1343.489390][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.502031][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.502132][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7b9e08 [ 1343.502159][ T32] r4:00000000 [ 1343.502181][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.502220][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.502267][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.502315][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84630040 [ 1343.502339][ T32] r4:00000000 [ 1343.502398][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.502463][ T32] r9:83018205 r8:85666000 r7:00000000 r6:83018200 r5:00001000 r4:7f039000 [ 1343.502513][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.502567][ T32] r5:00001000 r4:eae25000 [ 1343.502590][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.502645][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.502696][ T32] r5:855f3b8c r4:855f3800 [ 1343.502753][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.502810][ T32] r7:ddde2d80 r6:83018200 r5:855f3b8c r4:85516c00 [ 1343.502856][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.502912][ T32] r10:61c88647 r9:85666000 r8:85516c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.502936][ T32] r4:85516c00 [ 1343.502957][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.503027][ T32] r10:00000000 r9:85516c00 r8:80287e08 r7:eb7b5e60 r6:845bbd00 r5:85666000 [ 1343.503055][ T32] r4:00000001 [ 1343.503076][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.503116][ T32] Exception stack(0xeb7b9fb0 to 0xeb7b9ff8) [ 1343.503162][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.503227][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.503259][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.503303][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.503330][ T32] r4:84630080 [ 1343.503761][ T32] INFO: task kworker/1:841:5166 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 1 printk messages dropped ** [ 1343.503922][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1343.504120][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1343.504255][ T32] dd20: addea000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 1 printk messages dropped ** [ 1343.504311][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.504357][ T32] r5:800d0013 r4:80239bb0 [ 1343.504387][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.504456][ T32] r4:82ac21e4 [ 1343.504522][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.504577][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.504602][ T32] r4:e044ddc0 [ 1343.504653][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.504702][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.504726][ T32] r4:00000000 [ 1343.504746][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.504824][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.504851][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.504896][ T32] r5:00001000 r4:ed353000 [ 1343.504934][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.504981][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.505025][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.505045][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.505092][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.505114][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.505169][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.505216][ T32] r4:84ab5800 [ 1343.505244][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.505293][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.505317][ T32] r4:00000001 [ 1343.505337][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.505373][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.505428][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.505471][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.505502][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.505556][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.505583][ T32] r4:84ab0640 [ 1343.505606][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.505637][ T32] INFO: task kworker/1:842:5169 blocked for more than 469 seconds. [ 1343.505693][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.505725][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.505747][ T32] task:kworker/1:842 state:D stack:0 pid:5169 tgid:5169 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.505812][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.505878][ T32] Call trace: [ 1343.505912][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.505963][ T32] r10:8291a684 r9:eb6f1d84 r8:00000002 r7:60000113 r6:eb6f1d8c r5:85666c00 [ 1343.505987][ T32] r4:85666c00 [ 1343.506008][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.506053][ T32] r5:85666c00 r4:8291a680 [ 1343.506073][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.506112][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.506153][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6f1e08 [ 1343.506175][ T32] r4:00000000 [ 1343.506195][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.506234][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.506272][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.506312][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84630440 [ 1343.506334][ T32] r4:00000000 [ 1343.506354][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.506404][ T32] r9:83018205 r8:85666c00 r7:00000000 r6:83018200 r5:00001000 r4:7f03d000 [ 1343.506427][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.506469][ T32] r5:00001000 r4:eaee5000 [ 1343.506510][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.506555][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.506598][ T32] r5:855f3f8c r4:855f3c00 [ 1343.506627][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.506677][ T32] r7:ddde2d80 r6:83018200 r5:855f3f8c r4:85516c80 [ 1343.506700][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.506771][ T32] r10:61c88647 r9:85666c00 r8:85516cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.506821][ T32] r4:85516c80 [ 1343.506844][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.506903][ T32] r10:00000000 r9:85516c80 r8:80287e08 r7:eb7b5e60 r6:845bbd80 r5:85666c00 [ 1343.506930][ T32] r4:00000001 [ 1343.506971][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.507054][ T32] Exception stack(0xeb6f1fb0 to 0xeb6f1ff8) [ 1343.507115][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1343.507148][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.507196][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.507235][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.507261][ T32] r4:84630080 [ 1343.507539][ T32] INFO: task kworker/1:842:5169 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.507577][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.507706][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.507751][ T32] Call trace: [ 1343.507798][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.507851][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.507907][ T32] r4:00000000 [ 1343.507955][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.507998][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.508029][ T32] dd20: addea000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.508059][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.508105][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.508161][ T32] r5:800d0013 r4:80239bb0 [ 1343.508186][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.508228][ T32] r4:82ac21e4 [ 1343.508270][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.508351][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.508387][ T32] r4:e044ddc0 [ 1343.508409][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.508453][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.508497][ T32] r4:00000000 [ 1343.508574][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.508627][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.508661][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.508737][ T32] r5:00001000 r4:ed353000 [ 1343.508762][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.508804][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.508847][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.508867][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.508929][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.508954][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.509003][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.509025][ T32] r4:84ab5800 [ 1343.509045][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.509091][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.509136][ T32] r4:00000001 [ 1343.509159][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.509196][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.509222][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.509307][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.530962][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.531027][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.531054][ T32] r4:84ab0640 [ 1343.531079][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.531122][ T32] INFO: task kworker/1:843:5171 blocked for more than 469 seconds. [ 1343.531160][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.531206][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.531253][ T32] task:kworker/1:843 state:D stack:0 pid:5171 tgid:5171 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.531318][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.531391][ T32] Call trace: [ 1343.531427][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.531484][ T32] r10:8291a684 r9:eb7bdd84 r8:00000002 r7:60000113 r6:eb7bdd8c r5:85664800 [ 1343.531507][ T32] r4:85664800 [ 1343.531527][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.531586][ T32] r5:85664800 r4:8291a680 [ 1343.531612][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.531654][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.531708][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7bde08 [ 1343.531734][ T32] r4:00000000 [ 1343.531754][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.531790][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.531828][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.531891][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84630640 [ 1343.531977][ T32] r4:00000000 [ 1343.532001][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.532050][ T32] r9:83018205 r8:85664800 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 [ 1343.532094][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.532143][ T32] r5:00001000 r4:eaf89000 [ 1343.532185][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.532231][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.532299][ T32] r5:855f478c r4:855f4400 [ 1343.532347][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.532406][ T32] r7:ddde2d80 r6:83018200 r5:855f478c r4:85516d00 [ 1343.532428][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.532486][ T32] r10:61c88647 r9:85664800 r8:85516d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.532534][ T32] r4:85516d00 [ 1343.532597][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.532676][ T32] r10:00000000 r9:85516d00 r8:80287e08 r7:eb7b5e60 r6:845bbe00 r5:85664800 [ 1343.532724][ T32] r4:00000001 [ 1343.532768][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.532813][ T32] Exception stack(0xeb7bdfb0 to 0xeb7bdff8) [ 1343.532841][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.532870][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.532916][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.532949][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.532994][ T32] r4:846303c0 [ 1343.533421][ T32] INFO: task kworker/1:843:5171 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.533494][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.533597][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.533717][ T32] Call trace: [ 1343.533778][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.533831][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.533855][ T32] r4:00000000 [ 1343.533874][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.533912][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.533940][ T32] dd20: ae26e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.533968][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.534014][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.534042][ T32] r5:800d0013 r4:80239bb0 ** 1 printk messages dropped ** [ 1343.534125][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1343.534369][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1343.534743][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1343.534955][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1343.535310][ T32] INFO: task kworker/1:844:5173 blocked for more than 469 seconds. ** 3 printk messages dropped ** [ 1343.535499][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.535575][ T32] Call trace: [ 1343.535610][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.535658][ T32] r10:8291a684 r9:eb7c1d84 r8:00000002 r7:60000113 r6:eb7c1d8c r5:85663c00 [ 1343.535682][ T32] r4:85663c00 [ 1343.535702][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.535746][ T32] r5:85663c00 r4:8291a680 [ 1343.535766][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.535830][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.535877][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7c1e08 [ 1343.535900][ T32] r4:00000000 [ 1343.535920][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.535983][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.536046][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.536116][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84630740 [ 1343.536161][ T32] r4:00000000 [ 1343.536186][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.536257][ T32] r9:83018205 r8:85663c00 r7:00000000 r6:83018200 r5:00001000 r4:7f043000 [ 1343.536311][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.536383][ T32] r5:00001000 r4:eb093000 [ 1343.536408][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.536471][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.536579][ T32] r5:855f4b8c r4:855f4800 [ 1343.536644][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.536697][ T32] r7:ddde2d80 r6:83018200 r5:855f4b8c r4:85516d80 [ 1343.536719][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.536765][ T32] r10:61c88647 r9:85663c00 r8:85516dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.536830][ T32] r4:85516d80 [ 1343.536856][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.536904][ T32] r10:00000000 r9:85516d80 r8:80287e08 r7:eb7bde60 r6:845bbe80 r5:85663c00 [ 1343.536947][ T32] r4:00000001 [ 1343.536970][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.537007][ T32] Exception stack(0xeb7c1fb0 to 0xeb7c1ff8) [ 1343.537033][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1343.537061][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.537088][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.537116][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.537163][ T32] r4:84630600 [ 1343.537405][ T32] INFO: task kworker/1:844:5173 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.537440][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.537495][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.537566][ T32] Call trace: [ 1343.537597][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.537649][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.537694][ T32] r4:00000000 [ 1343.537718][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.537777][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.537811][ T32] dd20: ae26e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.537840][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.537889][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.537917][ T32] r5:800d0013 r4:80239bb0 [ 1343.537939][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.537980][ T32] r4:82ac21e4 [ 1343.538039][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.538092][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.538116][ T32] r4:e044ddc0 [ 1343.538135][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.538198][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.538225][ T32] r4:00000000 [ 1343.538246][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.538316][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.538339][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1343.538557][ T32] r5:85c0ff8c r4:85c0fc00 ** 5 printk messages dropped ** [ 1343.538765][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1343.538849][ T32] r4:00000001 [ 1343.538878][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.538918][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.538945][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.538984][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.539014][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.539063][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.539110][ T32] r4:84ab0640 [ 1343.539133][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.539158][ T32] INFO: task kworker/1:845:5176 blocked for more than 469 seconds. [ 1343.539186][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.539209][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.539229][ T32] task:kworker/1:845 state:D stack:0 pid:5176 tgid:5176 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.569830][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.569932][ T32] Call trace: [ 1343.570003][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.570073][ T32] r10:8291a684 r9:eb7c9d84 r8:00000002 r7:60000013 r6:eb7c9d8c r5:84b00000 [ 1343.570100][ T32] r4:84b00000 [ 1343.570145][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.570198][ T32] r5:84b00000 r4:8291a680 [ 1343.570221][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.570263][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.570309][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7c9e08 [ 1343.570333][ T32] r4:00000000 [ 1343.570355][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 3 printk messages dropped ** [ 1343.570510][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1343.570837][ T32] r5:855f4f8c r4:855f4c00 [ 1343.570881][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1343.570959][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1343.571307][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1343.572098][ T32] Call trace: ** 5 printk messages dropped ** [ 1343.572362][ T32] dd20: aebf8000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1343.572708][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 7 printk messages dropped ** [ 1343.572972][ T32] r5:85c0ff8c r4:85c0fc00 ** 3 printk messages dropped ** [ 1343.573216][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1343.573512][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1343.573863][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1343.574290][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7cde08 ** 7 printk messages dropped ** [ 1343.574620][ T32] r9:83018205 r8:84b00c00 r7:00000000 r6:83018200 r5:00001000 r4:7f049000 ** 5 printk messages dropped ** [ 1343.574849][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.574896][ T32] r7:ddde2d80 r6:83018200 r5:855f578c r4:85516e80 [ 1343.574939][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.574990][ T32] r10:61c88647 r9:84b00c00 r8:85516eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.575033][ T32] r4:85516e80 [ 1343.575056][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.575121][ T32] r10:00000000 r9:85516e80 r8:80287e08 r7:eb7c9e60 r6:845bbf80 r5:84b00c00 [ 1343.575148][ T32] r4:00000001 [ 1343.575171][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.575210][ T32] Exception stack(0xeb7cdfb0 to 0xeb7cdff8) [ 1343.575237][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.575265][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.575291][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.575327][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.575351][ T32] r4:846307c0 [ 1343.575603][ T32] INFO: task kworker/1:846:5177 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.575645][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.575735][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.575790][ T32] Call trace: [ 1343.575871][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.575951][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.575985][ T32] r4:00000000 [ 1343.576006][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.576069][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.576106][ T32] dd20: aebf8000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.576135][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.576183][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.576211][ T32] r5:800d0013 r4:80239bb0 [ 1343.576233][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.576275][ T32] r4:82ac21e4 [ 1343.576308][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.576354][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.576383][ T32] r4:e044ddc0 [ 1343.576417][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.576486][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.576543][ T32] r4:00000000 [ 1343.576583][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.576635][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.576669][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.576715][ T32] r5:00001000 r4:ed353000 [ 1343.576736][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.576776][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.576829][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.576883][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.576935][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.576957][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.577004][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.577058][ T32] r4:84ab5800 [ 1343.577081][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.577129][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.577173][ T32] r4:00000001 ** 1 printk messages dropped ** [ 1343.577260][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1343.577517][ T32] INFO: task kworker/1:847:5179 blocked for more than 469 seconds. ** 9 printk messages dropped ** [ 1343.577923][ T32] r5:83bc5400 r4:8291a680 ** 5 printk messages dropped ** [ 1343.578173][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1343.578556][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.578598][ T32] r5:855f538c r4:855f5000 ** 2 printk messages dropped ** [ 1343.578686][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1343.579038][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1343.601671][ T32] Call trace: ** 4 printk messages dropped ** [ 1343.601919][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1343.602158][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1343.602283][ T32] r4:e044ddc0 ** 7 printk messages dropped ** [ 1343.602668][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1343.603079][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1343.603452][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1343.603731][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1343.604036][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.604078][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.604122][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7c5e08 [ 1343.604165][ T32] r4:00000000 [ 1343.604209][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.604270][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.604310][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.604352][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84630cc0 [ 1343.604375][ T32] r4:00000000 [ 1343.604426][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.604537][ T32] r9:83018205 r8:85589800 r7:00000000 r6:83018200 r5:00001000 r4:7f04b000 [ 1343.604571][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.604649][ T32] r5:00001000 r4:eb169000 [ 1343.604674][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.604718][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.604781][ T32] r5:855f5b8c r4:855f5800 [ 1343.604827][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.604879][ T32] r7:ddde2d80 r6:83018200 r5:855f5b8c r4:84621000 [ 1343.604901][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.604960][ T32] r10:61c88647 r9:85589800 r8:8462102c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.604987][ T32] r4:84621000 [ 1343.605029][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.605079][ T32] r10:00000000 r9:84621000 r8:80287e08 r7:eb7cde60 r6:84621080 r5:85589800 [ 1343.605102][ T32] r4:00000001 [ 1343.605122][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.605183][ T32] Exception stack(0xeb7c5fb0 to 0xeb7c5ff8) [ 1343.605215][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1343.605266][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.605297][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.605327][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.605350][ T32] r4:84630680 [ 1343.605624][ T32] INFO: task kworker/1:848:5183 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.605672][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.605735][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.605780][ T32] Call trace: [ 1343.605823][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.605879][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.605925][ T32] r4:00000000 [ 1343.605949][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.605990][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.606019][ T32] dd20: af17b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.606048][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.606085][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.606113][ T32] r5:800d0013 r4:80239bb0 [ 1343.606160][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 2 printk messages dropped ** [ 1343.606296][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1343.606612][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1343.606812][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 6 printk messages dropped ** [ 1343.607075][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1343.607359][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1343.607757][ T32] r5:8558b000 r4:8291a680 ** 3 printk messages dropped ** [ 1343.607986][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1343.608193][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1343.608497][ T32] r5:855f638c r4:855f6000 [ 1343.608546][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1343.608824][ T32] r4:84621100 ** 6 printk messages dropped ** [ 1343.609138][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1343.630530][ T32] Call trace: ** 5 printk messages dropped ** [ 1343.630810][ T32] dd20: af39c000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1343.631185][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1343.631549][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1343.631772][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1343.631957][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1343.632363][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1343.632796][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1343.633201][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 4 printk messages dropped ** [ 1343.633433][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1343.633816][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1343.634027][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 3 printk messages dropped ** [ 1343.634443][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.634533][ T32] Call trace: [ 1343.634617][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.634676][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.634700][ T32] r4:00000000 [ 1343.634718][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.634768][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.634823][ T32] dd20: af39c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.634856][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.634884][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.634907][ T32] r5:800d0013 r4:80239bb0 [ 1343.634927][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.634968][ T32] r4:82ac21e4 [ 1343.634998][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.635068][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.635095][ T32] r4:e044ddc0 [ 1343.635145][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.635219][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.635266][ T32] r4:00000000 [ 1343.635291][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.635360][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.635408][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.635453][ T32] r5:00001000 r4:ed353000 [ 1343.635485][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.635531][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.635574][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.635723][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.635938][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.635973][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.636047][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.636165][ T32] r4:84ab5800 [ 1343.636226][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.636296][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.636329][ T32] r4:00000001 [ 1343.636389][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.636467][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.636550][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.636606][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.636677][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.636719][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.636750][ T32] r4:84ab0640 [ 1343.636807][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.636905][ T32] INFO: task kworker/1:851:5188 blocked for more than 470 seconds. [ 1343.636951][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.636987][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.637021][ T32] task:kworker/1:851 state:D stack:0 pid:5188 tgid:5188 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.637114][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.637177][ T32] Call trace: [ 1343.637253][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.637363][ T32] r10:8291a684 r9:eb7d9d84 r8:00000002 r7:60000113 r6:eb7d9d8c r5:84a54800 [ 1343.637401][ T32] r4:84a54800 [ 1343.637433][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.637499][ T32] r5:84a54800 r4:8291a680 [ 1343.637531][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.637589][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.637697][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7d9e08 [ 1343.637736][ T32] r4:00000000 [ 1343.637782][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.637855][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.637903][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.637952][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8446a0c0 [ 1343.638033][ T32] r4:00000000 [ 1343.638059][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.638137][ T32] r9:83018205 r8:84a54800 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 [ 1343.638165][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.638252][ T32] r5:00001000 r4:eb58f000 [ 1343.638280][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.638351][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.638405][ T32] r5:855f6b8c r4:855f6800 [ 1343.638507][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.638565][ T32] r7:ddde2d80 r6:83018200 r5:855f6b8c r4:84621300 [ 1343.638589][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.638643][ T32] r10:61c88647 r9:84a54800 r8:8462132c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.638694][ T32] r4:84621300 [ 1343.638720][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.638786][ T32] r10:00000000 r9:84621300 r8:80287e08 r7:eb775e60 r6:84621380 r5:84a54800 [ 1343.638816][ T32] r4:00000001 [ 1343.638838][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.638889][ T32] Exception stack(0xeb7d9fb0 to 0xeb7d9ff8) [ 1343.638929][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.638967][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.638997][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1343.662140][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1343.662704][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1343.663032][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1343.663473][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 6 printk messages dropped ** [ 1343.663788][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1343.664056][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1343.664317][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1343.664754][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1343.665142][ T32] r9:83018205 r8:85620000 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 ** 4 printk messages dropped ** [ 1343.665341][ T32] r5:855f678c r4:855f6400 ** 3 printk messages dropped ** [ 1343.665527][ T32] r10:61c88647 r9:85620000 r8:8462142c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1343.665797][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1343.666256][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.666342][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.666405][ T32] Call trace: [ 1343.666465][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.666518][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.666541][ T32] r4:00000000 [ 1343.666573][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.666617][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.666646][ T32] dd20: af668000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.666676][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.666701][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.666724][ T32] r5:800d0013 r4:80239bb0 [ 1343.666794][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.666840][ T32] r4:82ac21e4 [ 1343.666866][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.666911][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.666934][ T32] r4:e044ddc0 [ 1343.666971][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.667018][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.667066][ T32] r4:00000000 [ 1343.667114][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.667241][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.667268][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.667362][ T32] r5:00001000 r4:ed353000 [ 1343.667388][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.667429][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.667472][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.667492][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.667565][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.667619][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.667673][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.667697][ T32] r4:84ab5800 [ 1343.667717][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.667790][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.667818][ T32] r4:00000001 [ 1343.667915][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.667956][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.667983][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.668024][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.668054][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.668083][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.668105][ T32] r4:84ab0640 [ 1343.668150][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.668179][ T32] INFO: task kworker/1:853:5192 blocked for more than 470 seconds. [ 1343.668208][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.668258][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.668283][ T32] task:kworker/1:853 state:D stack:0 pid:5192 tgid:5192 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.668362][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.668457][ T32] Call trace: [ 1343.668598][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.668654][ T32] r10:8291a684 r9:eb7e5d84 r8:00000002 r7:60000013 r6:eb7e5d8c r5:85620c00 [ 1343.668678][ T32] r4:85620c00 [ 1343.668725][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.668772][ T32] r5:85620c00 r4:8291a680 [ 1343.668794][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.668832][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.668874][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7e5e08 [ 1343.668938][ T32] r4:00000000 [ 1343.668986][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.669027][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.669067][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.669110][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8446a300 [ 1343.669132][ T32] r4:00000000 [ 1343.669153][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.669237][ T32] r9:83018205 r8:85620c00 r7:00000000 r6:83018200 r5:00001000 r4:7f055000 [ 1343.669363][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.692462][ T32] r5:00001000 r4:eb5d7000 [ 1343.692545][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.692620][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.692675][ T32] r5:855f6f8c r4:855f6c00 [ 1343.692697][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.692786][ T32] r7:ddde2d80 r6:83018200 r5:855f6f8c r4:84621500 [ 1343.692814][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.692866][ T32] r10:61c88647 r9:85620c00 r8:8462152c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.692891][ T32] r4:84621500 [ 1343.692911][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.692959][ T32] r10:00000000 r9:84621500 r8:80287e08 r7:eb7d9e60 r6:84621580 r5:85620c00 [ 1343.692982][ T32] r4:00000001 [ 1343.693056][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.693142][ T32] Exception stack(0xeb7e5fb0 to 0xeb7e5ff8) [ 1343.693178][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1343.693236][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1343.694156][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1343.694613][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1343.695004][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1343.695256][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 10 printk messages dropped ** [ 1343.695634][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1343.695966][ T32] r4:85621800 ** 5 printk messages dropped ** [ 1343.696280][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1343.696454][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8446a600 ** 7 printk messages dropped ** [ 1343.696807][ T32] r5:855f778c r4:855f7400 [ 1343.696828][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1343.697026][ T32] r10:00000000 r9:84621600 r8:80287e08 r7:eb7e5e60 r6:84621680 r5:85621800 ** 10 printk messages dropped ** [ 1343.697717][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1343.697880][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.697935][ T32] r4:00000000 [ 1343.697960][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.698059][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.698093][ T32] dd20: afadc000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.698124][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.698151][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.698174][ T32] r5:800d0013 r4:80239bb0 [ 1343.698199][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.698332][ T32] r4:82ac21e4 [ 1343.698366][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.698441][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.698483][ T32] r4:e044ddc0 [ 1343.698508][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.698552][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.698575][ T32] r4:00000000 [ 1343.698596][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.698642][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.698664][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.698733][ T32] r5:00001000 r4:ed353000 [ 1343.698808][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.698856][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.698900][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.698920][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.698967][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.698991][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.699038][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.699072][ T32] r4:84ab5800 [ 1343.699096][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.699143][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.699179][ T32] r4:00000001 [ 1343.699279][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.717553][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.717624][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.717657][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.717686][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.717721][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.717745][ T32] r4:84ab0640 [ 1343.717772][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.717804][ T32] INFO: task kworker/1:855:5196 blocked for more than 470 seconds. [ 1343.717841][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.717881][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.717911][ T32] task:kworker/1:855 state:D stack:0 pid:5196 tgid:5196 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.718031][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.718104][ T32] Call trace: [ 1343.718173][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.718234][ T32] r10:8291a684 r9:eb7edd84 r8:00000002 r7:60000113 r6:eb7edd8c r5:85622400 [ 1343.718270][ T32] r4:85622400 [ 1343.718372][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.718426][ T32] r5:85622400 r4:8291a680 [ 1343.718449][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1343.718686][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1343.719128][ T32] r5:855f738c r4:855f7000 [ 1343.719171][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.719229][ T32] r7:ddde2d80 r6:83018200 r5:855f738c r4:84621700 ** 1 printk messages dropped ** [ 1343.724616][ T32] r10:61c88647 r9:85622400 r8:8462172c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1343.724980][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1343.725694][ T32] Call trace: ** 2 printk messages dropped ** [ 1343.725829][ T32] r4:00000000 [ 1343.725855][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.725899][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.725954][ T32] dd20: aff91000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.726067][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.726097][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.726139][ T32] r5:800d0013 r4:80239bb0 [ 1343.726164][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.726210][ T32] r4:82ac21e4 [ 1343.726232][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.726329][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.726364][ T32] r4:e044ddc0 [ 1343.726387][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.726433][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.726457][ T32] r4:00000000 [ 1343.726478][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.726551][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.726579][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.726652][ T32] r5:00001000 r4:ed353000 [ 1343.726703][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.726775][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.726825][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.726847][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.726894][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.726916][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.726969][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.726996][ T32] r4:84ab5800 [ 1343.727016][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.727080][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.727160][ T32] r4:00000001 [ 1343.727184][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.727248][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.727278][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.727307][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.727388][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.727448][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 2 printk messages dropped ** [ 1343.727574][ T32] INFO: task kworker/1:856:5197 blocked for more than 470 seconds. ** 9 printk messages dropped ** [ 1343.727998][ T32] r5:85623c00 r4:8291a680 ** 3 printk messages dropped ** [ 1343.728123][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1343.728309][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1343.728597][ T32] r5:855f7f8c r4:855f7c00 [ 1343.728618][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.728665][ T32] r7:ddde2d80 r6:83018200 r5:855f7f8c r4:84621800 ** 2 printk messages dropped ** [ 1343.728772][ T32] r4:84621800 ** 6 printk messages dropped ** [ 1343.729024][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1343.748714][ T32] Call trace: ** 5 printk messages dropped ** [ 1343.748940][ T32] dd20: b03ab000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1343.752219][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1343.752732][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1343.753336][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1343.753739][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1343.754117][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1343.754682][ T32] r9:83018205 r8:85625400 r7:00000000 r6:83018200 r5:00001000 r4:7f05b000 ** 4 printk messages dropped ** [ 1343.754923][ T32] r5:855f7b8c r4:855f7800 ** 4 printk messages dropped ** [ 1343.755150][ T32] r4:84621900 ** 4 printk messages dropped ** [ 1343.755650][ T32] Exception stack(0xeb7f5fb0 to 0xeb7f5ff8) ** 7 printk messages dropped ** [ 1343.756885][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1343.757042][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.757067][ T32] r4:00000000 [ 1343.757087][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.757128][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.757157][ T32] dd20: b03ab000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.757202][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.757233][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.757259][ T32] r5:800d0013 r4:80239bb0 [ 1343.757280][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.757335][ T32] r4:82ac21e4 [ 1343.757367][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.757428][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.757460][ T32] r4:e044ddc0 [ 1343.757482][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.757553][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.757580][ T32] r4:00000000 [ 1343.757601][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.757676][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.757731][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.757806][ T32] r5:00001000 r4:ed353000 [ 1343.757845][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.757893][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.757938][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.757984][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.758039][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.758089][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.758142][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.758166][ T32] r4:84ab5800 [ 1343.758186][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.758284][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.758339][ T32] r4:00000001 [ 1343.758365][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.758406][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.758434][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.758462][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.758521][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.758555][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.758580][ T32] r4:84ab0640 [ 1343.758601][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.758670][ T32] INFO: task kworker/1:858:5202 blocked for more than 470 seconds. [ 1343.758706][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.758732][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.758784][ T32] task:kworker/1:858 state:D stack:0 pid:5202 tgid:5202 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.758863][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.759027][ T32] Call trace: [ 1343.759064][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.759142][ T32] r10:8291a684 r9:eb7fdd84 r8:00000002 r7:60000113 r6:eb7fdd8c r5:85626000 [ 1343.759188][ T32] r4:85626000 [ 1343.759252][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.777584][ T32] r5:85626000 r4:8291a680 [ 1343.777642][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.777715][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.777826][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7fde08 [ 1343.777870][ T32] r4:00000000 [ 1343.777895][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.777933][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.777974][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.778016][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dd580 [ 1343.778039][ T32] r4:00000000 [ 1343.778060][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.778106][ T32] r9:83018205 r8:85626000 r7:00000000 r6:83018200 r5:00001000 r4:7f0ab000 [ 1343.778129][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.778175][ T32] r5:00001000 r4:eb84b000 [ 1343.778197][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.778237][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.778321][ T32] r5:85600b8c r4:85600800 [ 1343.778349][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.778410][ T32] r7:ddde2d80 r6:83018200 r5:85600b8c r4:84621a00 [ 1343.778433][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.778565][ T32] r10:61c88647 r9:85626000 r8:84621a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.778671][ T32] r4:84621a00 [ 1343.778789][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.778899][ T32] r10:00000000 r9:84621a00 r8:80287e08 r7:eb7dde60 r6:84621a80 r5:85626000 [ 1343.778938][ T32] r4:00000001 [ 1343.779097][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.779296][ T32] Exception stack(0xeb7fdfb0 to 0xeb7fdff8) [ 1343.785275][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.785337][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.785407][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.785450][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.785477][ T32] r4:8446a900 [ 1343.785896][ T32] INFO: task kworker/1:858:5202 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 7 printk messages dropped ** [ 1343.786398][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1343.786588][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1343.786878][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1343.787241][ T32] r5:85c0ff8c r4:85c0fc00 ** 5 printk messages dropped ** [ 1343.787544][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1343.787840][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1343.788152][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1343.788632][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1343.789300][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 4 printk messages dropped ** [ 1343.804492][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1343.804693][ T32] r10:61c88647 r9:84b02400 r8:8569202c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.804744][ T32] r4:85692000 [ 1343.804804][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.804861][ T32] r10:00000000 r9:85692000 r8:80287e08 r7:eb5bde60 r6:85692080 r5:84b02400 [ 1343.804912][ T32] r4:00000001 [ 1343.804938][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.805060][ T32] Exception stack(0xeb7f1fb0 to 0xeb7f1ff8) [ 1343.805099][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1343.805157][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.805190][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.805221][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.805272][ T32] r4:856941c0 [ 1343.805701][ T32] INFO: task kworker/0:179:5204 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.805770][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.805878][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.805929][ T32] Call trace: [ 1343.805992][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.806050][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.806104][ T32] r4:00000000 [ 1343.806130][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.806228][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.806261][ T32] dd20: b0991000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.806290][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.806315][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 4 printk messages dropped ** [ 1343.806530][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1343.806907][ T32] r5:85c0ff8c r4:85c0fc00 ** 5 printk messages dropped ** [ 1343.807198][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1343.807488][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 8 printk messages dropped ** [ 1343.808038][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 7 printk messages dropped ** [ 1343.808333][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1343.808481][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85694600 ** 7 printk messages dropped ** [ 1343.808834][ T32] r5:855d0f8c r4:855d0c00 [ 1343.808888][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1343.809034][ T32] r4:85692100 ** 6 printk messages dropped ** [ 1343.809355][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1343.821707][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1343.822138][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1343.822648][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1343.822974][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1343.823205][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1343.823392][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1343.823615][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1343.824030][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 6 printk messages dropped ** [ 1343.824272][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1343.824654][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.824696][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.824724][ T32] r4:85694100 [ 1343.824957][ T32] INFO: task kworker/0:181:5208 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.824990][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.825066][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.825110][ T32] Call trace: [ 1343.825162][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.825217][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.825239][ T32] r4:00000000 [ 1343.825259][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.825297][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.825325][ T32] dd20: b0991000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.825352][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.825377][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.825434][ T32] r5:800d0013 r4:80239bb0 [ 1343.825476][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.825573][ T32] r4:82ac21e4 [ 1343.825619][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.825707][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.825737][ T32] r4:e044ddc0 [ 1343.825778][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.825844][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.825870][ T32] r4:00000000 [ 1343.825911][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.825960][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.825982][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.826024][ T32] r5:00001000 r4:ed353000 [ 1343.826043][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.826083][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.826124][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.826145][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.826190][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.826211][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.826299][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.826326][ T32] r4:84ab5800 [ 1343.826355][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.826431][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.826461][ T32] r4:00000001 [ 1343.826481][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.826528][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.826575][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.826620][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.826653][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.826682][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.826739][ T32] r4:84ab0640 [ 1343.826785][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.826835][ T32] INFO: task kworker/0:182:5211 blocked for more than 470 seconds. [ 1343.826883][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.826915][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.826944][ T32] task:kworker/0:182 state:D stack:0 pid:5211 tgid:5211 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.826993][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.827034][ T32] Call trace: [ 1343.827065][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.827150][ T32] r10:8291a684 r9:eb819d84 r8:00000002 r7:60000113 r6:eb819d8c r5:84b04800 [ 1343.827183][ T32] r4:84b04800 [ 1343.827204][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.827265][ T32] r5:84b04800 r4:8291a680 [ 1343.827290][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.827328][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.827369][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb819e08 [ 1343.827433][ T32] r4:00000000 [ 1343.827456][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.827511][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.827565][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.827611][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85694980 [ 1343.827634][ T32] r4:00000000 [ 1343.827663][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.827710][ T32] r9:83018005 r8:84b04800 r7:00000000 r6:83018000 r5:00001000 r4:7f06b000 [ 1343.827732][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.827790][ T32] r5:00001000 r4:ea8f1000 [ 1343.827814][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.827866][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.827912][ T32] r5:855d1f8c r4:855d1c00 [ 1343.827933][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.827989][ T32] r7:dddced80 r6:83018000 r5:855d1f8c r4:85692300 [ 1343.828038][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.828092][ T32] r10:61c88647 r9:84b04800 r8:8569232c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.828117][ T32] r4:85692300 ** 1 printk messages dropped ** [ 1343.828186][ T32] r10:00000000 r9:85692300 r8:80287e08 r7:eb80de60 r6:85692380 r5:84b04800 ** 8 printk messages dropped ** [ 1343.828658][ T32] INFO: task kworker/0:182:5211 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 9 printk messages dropped ** [ 1343.829270][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 9 printk messages dropped ** [ 1343.851555][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1343.851797][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1343.852049][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1343.852445][ T32] INFO: task kworker/1:859:5212 blocked for more than 470 seconds. ** 10 printk messages dropped ** [ 1343.852965][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1343.853466][ T32] r9:83018205 r8:84b05400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a7000 ** 4 printk messages dropped ** [ 1343.853680][ T32] r5:8560038c r4:85600000 ** 3 printk messages dropped ** [ 1343.853872][ T32] r10:61c88647 r9:84b05400 r8:84621b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 11 printk messages dropped ** [ 1343.854724][ T32] INFO: task kworker/1:859:5212 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.854763][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.854851][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.854931][ T32] Call trace: [ 1343.854966][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.855019][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.855042][ T32] r4:00000000 [ 1343.855062][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.855113][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.855158][ T32] dd20: b0f8c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.855215][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.855251][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.855277][ T32] r5:800d0013 r4:80239bb0 [ 1343.855307][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.855354][ T32] r4:82ac21e4 [ 1343.855375][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.855425][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.855448][ T32] r4:e044ddc0 [ 1343.855480][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.855527][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.855551][ T32] r4:00000000 [ 1343.855602][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.855656][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.855679][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.855722][ T32] r5:00001000 r4:ed353000 [ 1343.855743][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.855801][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.855849][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.855895][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.855947][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.855970][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.856029][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.856056][ T32] r4:84ab5800 [ 1343.856098][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.856149][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.856195][ T32] r4:00000001 [ 1343.856219][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.856265][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.856326][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.856358][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.856405][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.856440][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.856464][ T32] r4:84ab0640 [ 1343.856486][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.856544][ T32] INFO: task kworker/1:860:5215 blocked for more than 470 seconds. [ 1343.856576][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.856601][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.856622][ T32] task:kworker/1:860 state:D stack:0 pid:5215 tgid:5215 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.856703][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.856770][ T32] Call trace: [ 1343.856824][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.856876][ T32] r10:8291a684 r9:eb82dd84 r8:00000002 r7:60000113 r6:eb82dd8c r5:85624800 [ 1343.856899][ T32] r4:85624800 [ 1343.856920][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.856963][ T32] r5:85624800 r4:8291a680 [ 1343.856982][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.857021][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.857062][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb82de08 [ 1343.857094][ T32] r4:00000000 [ 1343.857118][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.857153][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.857197][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.857257][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8446aac0 [ 1343.857283][ T32] r4:00000000 [ 1343.857304][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.857370][ T32] r9:83018205 r8:85624800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a9000 [ 1343.857411][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.857459][ T32] r5:00001000 r4:eb83f000 [ 1343.857479][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.857518][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.857562][ T32] r5:8560078c r4:85600400 [ 1343.857582][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.857628][ T32] r7:ddde2d80 r6:83018200 r5:8560078c r4:84621b80 [ 1343.857677][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.857727][ T32] r10:61c88647 r9:85624800 r8:84621bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.857750][ T32] r4:84621b80 [ 1343.857791][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.857841][ T32] r10:00000000 r9:84621b80 r8:80287e08 r7:eb7fde60 r6:84621c00 r5:85624800 [ 1343.857865][ T32] r4:00000001 [ 1343.857884][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.857920][ T32] Exception stack(0xeb82dfb0 to 0xeb82dff8) [ 1343.857958][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.857990][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.858017][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.858045][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.858068][ T32] r4:8446af80 [ 1343.858348][ T32] INFO: task kworker/1:860:5215 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 1 printk messages dropped ** [ 1343.858505][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1343.858728][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1343.859028][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1343.879995][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1343.880292][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1343.880665][ T32] INFO: task kworker/0:183:5216 blocked for more than 470 seconds. ** 9 printk messages dropped ** [ 1343.881078][ T32] r5:85623000 r4:8291a680 ** 3 printk messages dropped ** [ 1343.881232][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1343.881560][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1343.881747][ T32] r5:855d138c r4:855d1000 ** 3 printk messages dropped ** [ 1343.881893][ T32] r10:61c88647 r9:85623000 r8:856924ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1343.882272][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1343.882968][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1343.883322][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1343.883582][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1343.884117][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1343.884424][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1343.884758][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1343.885125][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1343.885663][ T32] r5:00001000 r4:eb857000 [ 1343.885701][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.885744][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.885786][ T32] r5:85600f8c r4:85600c00 [ 1343.885805][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.885862][ T32] r7:ddde2d80 r6:83018200 r5:85600f8c r4:84621d00 [ 1343.885908][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.885984][ T32] r10:61c88647 r9:85626c00 r8:84621d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.886009][ T32] r4:84621d00 [ 1343.886029][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.886082][ T32] r10:00000000 r9:84621d00 r8:80287e08 r7:eb7fde60 r6:84621d80 r5:85626c00 [ 1343.886116][ T32] r4:00000001 [ 1343.886138][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.886196][ T32] Exception stack(0xeb83dfb0 to 0xeb83dff8) [ 1343.886232][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.886260][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.886297][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.886328][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.886371][ T32] r4:8446a8c0 [ 1343.886632][ T32] INFO: task kworker/1:861:5218 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.886690][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.886792][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.886859][ T32] Call trace: [ 1343.886904][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.886960][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.887005][ T32] r4:00000000 [ 1343.887050][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.887092][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1343.887154][ T32] dd20: b143d000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1343.887200][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1343.887229][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1343.887255][ T32] r5:800d0013 r4:80239bb0 [ 1343.887276][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.887319][ T32] r4:82ac21e4 [ 1343.887339][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.887388][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1343.887420][ T32] r4:e044ddc0 [ 1343.887442][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.887484][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1343.887526][ T32] r4:00000000 [ 1343.887570][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.887620][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.887643][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.887683][ T32] r5:00001000 r4:ed353000 [ 1343.887723][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.887779][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.887825][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.887866][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.887937][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.887963][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.888009][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.888031][ T32] r4:84ab5800 [ 1343.888050][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.888107][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.888133][ T32] r4:00000001 [ 1343.888152][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 4 printk messages dropped ** [ 1343.888326][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 8 printk messages dropped ** [ 1343.888730][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 7 printk messages dropped ** [ 1343.889079][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1343.920798][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84abba00 ** 7 printk messages dropped ** [ 1343.921229][ T32] r5:85601b8c r4:85601800 ** 3 printk messages dropped ** [ 1343.921394][ T32] r10:61c88647 r9:85628000 r8:84621e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1343.921888][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1343.923182][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1343.923545][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1343.923984][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1343.924685][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1343.924919][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1343.925082][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.925140][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.925172][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.925217][ T32] r4:84ab0640 [ 1343.925246][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.925284][ T32] INFO: task kworker/1:863:5221 blocked for more than 470 seconds. [ 1343.925321][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.925347][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.925408][ T32] task:kworker/1:863 state:D stack:0 pid:5221 tgid:5221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.925467][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.925561][ T32] Call trace: [ 1343.925622][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.925697][ T32] r10:8291a684 r9:eb86dd84 r8:00000002 r7:60000013 r6:eb86dd8c r5:85628c00 [ 1343.925729][ T32] r4:85628c00 [ 1343.925750][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.925793][ T32] r5:85628c00 r4:8291a680 [ 1343.925813][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.925850][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.925911][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb86de08 [ 1343.925979][ T32] r4:00000000 [ 1343.926042][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.926080][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.926115][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.926154][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84abb500 [ 1343.926175][ T32] r4:00000000 [ 1343.926214][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.926260][ T32] r9:83018205 r8:85628c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0bb000 [ 1343.926282][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.926344][ T32] r5:00001000 r4:eb873000 [ 1343.926367][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.926421][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.926465][ T32] r5:8560138c r4:85601000 [ 1343.926487][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.926541][ T32] r7:ddde2d80 r6:83018200 r5:8560138c r4:84621f00 [ 1343.926564][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.926616][ T32] r10:61c88647 r9:85628c00 r8:84621f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.926644][ T32] r4:84621f00 [ 1343.926664][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.926718][ T32] r10:00000000 r9:84621f00 r8:80287e08 r7:eb855e60 r6:84621f80 r5:85628c00 [ 1343.926744][ T32] r4:00000001 [ 1343.926771][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.926810][ T32] Exception stack(0xeb86dfb0 to 0xeb86dff8) [ 1343.926837][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.926887][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.926918][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.926946][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.926997][ T32] r4:84abb040 [ 1343.927223][ T32] INFO: task kworker/1:863:5221 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1343.927259][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.927349][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.927417][ T32] Call trace: [ 1343.927479][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1343.927533][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1343.927557][ T32] r4:00000000 [ 1343.927576][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.927614][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 2 printk messages dropped ** [ 1343.927699][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1343.927976][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 2 printk messages dropped ** [ 1343.928097][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1343.928162][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.928248][ T32] r5:00001000 r4:ed353000 [ 1343.928309][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.928405][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.928531][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.928579][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.928684][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.928740][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.928837][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.928889][ T32] r4:84ab5800 [ 1343.928942][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.929046][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.929100][ T32] r4:00000001 [ 1343.929153][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.929290][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.949844][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.949942][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.950000][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.950066][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.950120][ T32] r4:84ab0640 [ 1343.950169][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 4 printk messages dropped ** [ 1343.950531][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1343.951125][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1343.951661][ T32] r5:00001000 r4:eb87f000 ** 2 printk messages dropped ** [ 1343.951818][ T32] r5:855d178c r4:855d1400 [ 1343.951839][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1343.952024][ T32] r4:85692500 ** 6 printk messages dropped ** [ 1343.952321][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1343.953263][ T32] Call trace: ** 5 printk messages dropped ** [ 1343.953548][ T32] dd20: b1ef2000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1343.953996][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 12 printk messages dropped ** [ 1343.954599][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1343.954735][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1343.955276][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1343.955852][ T32] r5:8562a400 r4:8291a680 ** 3 printk messages dropped ** [ 1343.956095][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1343.956336][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84abb8c0 ** 7 printk messages dropped ** [ 1343.956732][ T32] r5:8560178c r4:85601400 ** 3 printk messages dropped ** [ 1343.956988][ T32] r10:61c88647 r9:8562a400 r8:856910ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1343.957472][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1343.958407][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1343.958899][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1343.959195][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 4 printk messages dropped ** [ 1343.990119][ T32] r5:00001000 r4:ed353000 [ 1343.990161][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.990208][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.990251][ T32] r5:85c0ff8c r4:85c0fc00 [ 1343.990271][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.990328][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1343.990392][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.990497][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.990544][ T32] r4:84ab5800 [ 1343.990586][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.990689][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1343.990726][ T32] r4:00000001 [ 1343.990776][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.990847][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1343.990885][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.990925][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.990955][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.990985][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1343.991007][ T32] r4:84ab0640 [ 1343.991041][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.991088][ T32] INFO: task kworker/1:865:5228 blocked for more than 470 seconds. [ 1343.991147][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1343.991186][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.991235][ T32] task:kworker/1:865 state:D stack:0 pid:5228 tgid:5228 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.991309][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.991360][ T32] Call trace: [ 1343.991414][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1343.991467][ T32] r10:8291a684 r9:eb889d84 r8:00000002 r7:60000113 r6:eb889d8c r5:8562bc00 [ 1343.991490][ T32] r4:8562bc00 [ 1343.991511][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1343.991567][ T32] r5:8562bc00 r4:8291a680 [ 1343.991593][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.991636][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.991690][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb889e08 [ 1343.991735][ T32] r4:00000000 [ 1343.991759][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1343.991796][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1343.991866][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1343.991913][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84abbb00 [ 1343.991964][ T32] r4:00000000 [ 1343.992010][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1343.992071][ T32] r9:83018205 r8:8562bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 [ 1343.992118][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1343.992191][ T32] r5:00001000 r4:dfa73000 [ 1343.992241][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1343.992288][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.992332][ T32] r5:85601f8c r4:85601c00 [ 1343.992351][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1343.992432][ T32] r7:ddde2d80 r6:83018200 r5:85601f8c r4:85691180 [ 1343.992486][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1343.992655][ T32] r10:61c88647 r9:8562bc00 r8:856911ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.992692][ T32] r4:85691180 [ 1343.992725][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1343.992795][ T32] r10:00000000 r9:85691180 r8:80287e08 r7:eb855e60 r6:85691200 r5:8562bc00 [ 1343.992830][ T32] r4:00000001 [ 1343.992849][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.992912][ T32] Exception stack(0xeb889fb0 to 0xeb889ff8) [ 1343.992950][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1343.993077][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1343.993998][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1343.994208][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1343.994391][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1343.994906][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1343.995212][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1343.995451][ T32] Workqueue: events bpf_prog_free_deferred ** 9 printk messages dropped ** [ 1343.995864][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1343.996094][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1343.996423][ T32] r5:85602b8c r4:85602800 ** 1 printk messages dropped ** [ 1343.996488][ T32] r7:ddde2d80 r6:83018200 r5:85602b8c r4:85691280 ** 6 printk messages dropped ** [ 1343.996795][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1343.997414][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1343.997946][ T32] dd20: b26c3000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 10 printk messages dropped ** [ 1343.998704][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1343.999200][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1344.023027][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1344.023503][ T32] INFO: task kworker/1:867:5232 blocked for more than 470 seconds. ** 9 printk messages dropped ** [ 1344.024061][ T32] r5:8562d400 r4:8291a680 ** 3 printk messages dropped ** [ 1344.024338][ T32] r4:00000000 [ 1344.024391][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.024470][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.024575][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.024660][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84abbd40 [ 1344.024721][ T32] r4:00000000 [ 1344.024769][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.024841][ T32] r9:83018205 r8:8562d400 r7:00000000 r6:83018200 r5:00001000 r4:7f065000 [ 1344.024871][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.024939][ T32] r5:00001000 r4:dfcb9000 [ 1344.024993][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.025081][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.025167][ T32] r5:8560238c r4:85602000 [ 1344.025225][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.025325][ T32] r7:ddde2d80 r6:83018200 r5:8560238c r4:85691380 [ 1344.025387][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.025449][ T32] r10:61c88647 r9:8562d400 r8:856913ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.025477][ T32] r4:85691380 [ 1344.025496][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.025541][ T32] r10:00000000 r9:85691380 r8:80287e08 r7:eb861e60 r6:85691400 r5:8562d400 [ 1344.025569][ T32] r4:00000001 [ 1344.025612][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.025664][ T32] Exception stack(0xeb871fb0 to 0xeb871ff8) [ 1344.025711][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1344.025747][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.025775][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.025813][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.025856][ T32] r4:84abb9c0 [ 1344.026284][ T32] INFO: task kworker/1:867:5232 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.026330][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.026399][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.026468][ T32] Call trace: [ 1344.026549][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.026635][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.026662][ T32] r4:00000000 [ 1344.026682][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.026723][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.026772][ T32] dd20: b2bb9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.026859][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.026889][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.026936][ T32] r5:800d0013 r4:80239bb0 [ 1344.026992][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.027052][ T32] r4:82ac21e4 [ 1344.027087][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.027134][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.027156][ T32] r4:e044ddc0 [ 1344.027175][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.027241][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.027288][ T32] r4:00000000 [ 1344.027312][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.027391][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.027414][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.027458][ T32] r5:00001000 r4:ed353000 [ 1344.027478][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.027517][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.027579][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.027625][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.027716][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.027765][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.027876][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.027929][ T32] r4:84ab5800 [ 1344.027969][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.028076][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.028116][ T32] r4:00000001 [ 1344.028140][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.028224][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.028258][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1344.028373][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1344.028863][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1344.029315][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1344.046423][ T32] r9:83018205 r8:8562ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 ** 4 printk messages dropped ** [ 1344.046640][ T32] r5:8560278c r4:85602400 ** 3 printk messages dropped ** [ 1344.046919][ T32] r10:61c88647 r9:8562ec00 r8:856914ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1344.047397][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1344.048557][ T32] Call trace: ** 6 printk messages dropped ** [ 1344.048843][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 9 printk messages dropped ** [ 1344.061489][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1344.061792][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.061814][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.061860][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.061882][ T32] r4:84ab5800 [ 1344.061902][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.061947][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.061971][ T32] r4:00000001 [ 1344.061991][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.062029][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.062059][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.062088][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.062115][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.062144][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.062167][ T32] r4:84ab0640 [ 1344.062189][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.062257][ T32] INFO: task kworker/1:869:5236 blocked for more than 470 seconds. [ 1344.062311][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.062362][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.062394][ T32] task:kworker/1:869 state:D stack:0 pid:5236 tgid:5236 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.062472][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.062542][ T32] Call trace: [ 1344.062577][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.062635][ T32] r10:8291a684 r9:eb8a5d84 r8:00000002 r7:60000013 r6:eb8a5d8c r5:85629800 [ 1344.062679][ T32] r4:85629800 [ 1344.062703][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.062748][ T32] r5:85629800 r4:8291a680 [ 1344.062770][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.062810][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.062851][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8a5e08 [ 1344.062873][ T32] r4:00000000 [ 1344.062912][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.063008][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.063048][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.063093][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa3680 [ 1344.063126][ T32] r4:00000000 [ 1344.063150][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.063196][ T32] r9:83018205 r8:85629800 r7:00000000 r6:83018200 r5:00001000 r4:7f073000 [ 1344.063219][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.063261][ T32] r5:00001000 r4:ead8f000 [ 1344.063281][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.063319][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.063360][ T32] r5:85602f8c r4:85602c00 [ 1344.063386][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.063432][ T32] r7:ddde2d80 r6:83018200 r5:85602f8c r4:85691580 [ 1344.063453][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.063520][ T32] r10:61c88647 r9:85629800 r8:856915ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.063548][ T32] r4:85691580 [ 1344.063568][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.063613][ T32] r10:00000000 r9:85691580 r8:80287e08 r7:eb861e60 r6:85691600 r5:85629800 [ 1344.063635][ T32] r4:00000001 [ 1344.063678][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.063717][ T32] Exception stack(0xeb8a5fb0 to 0xeb8a5ff8) [ 1344.063764][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1344.063820][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.063850][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.063880][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 1 printk messages dropped ** [ 1344.064298][ T32] INFO: task kworker/1:869:5236 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 7 printk messages dropped ** [ 1344.064725][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1344.065109][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1344.065762][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1344.066479][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1344.066803][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1344.067168][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1344.067627][ T32] r5:85631800 r4:8291a680 ** 3 printk messages dropped ** [ 1344.067914][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1344.068200][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dd740 ** 7 printk messages dropped ** [ 1344.068656][ T32] r5:855d238c r4:855d2000 [ 1344.068689][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1344.068873][ T32] r10:61c88647 r9:85631800 r8:856925ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1344.069207][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1344.093143][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1344.093871][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1344.094229][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 7 printk messages dropped ** [ 1344.094974][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1344.096344][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1344.096722][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1344.097868][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1344.098346][ T32] r5:85632400 r4:8291a680 ** 5 printk messages dropped ** [ 1344.098657][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1344.099120][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.099168][ T32] r5:855d278c r4:855d2400 [ 1344.099189][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.124675][ T32] r7:dddced80 r6:83018000 r5:855d278c r4:85692600 [ 1344.124935][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.125356][ T32] r10:61c88647 r9:85632400 r8:8569262c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.125748][ T32] r4:85692600 [ 1344.126069][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.126128][ T32] r10:00000000 r9:85692600 r8:80287e08 r7:eb8b9e60 r6:85691700 r5:85632400 [ 1344.126155][ T32] r4:00000001 [ 1344.126177][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.126219][ T32] Exception stack(0xeb8bdfb0 to 0xeb8bdff8) [ 1344.126252][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.126371][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.126411][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.126538][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.126572][ T32] r4:85694c80 [ 1344.126973][ T32] INFO: task kworker/0:186:5242 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.127014][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.127180][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.127258][ T32] Call trace: [ 1344.127297][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.127355][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.127387][ T32] r4:00000000 [ 1344.127434][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.127481][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.127537][ T32] dd20: b3b0e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.127574][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.127603][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.127641][ T32] r5:800d0013 r4:80239bb0 [ 1344.127666][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.127712][ T32] r4:82ac21e4 [ 1344.127886][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.128250][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.128305][ T32] r4:e044ddc0 [ 1344.128330][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.128409][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.128443][ T32] r4:00000000 [ 1344.128859][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.128953][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.128979][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.129024][ T32] r5:00001000 r4:ed353000 [ 1344.129045][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.129085][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.129129][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.129150][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.129351][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.140083][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.140247][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.140302][ T32] r4:84ab5800 [ 1344.140353][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.140460][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.140549][ T32] r4:00000001 [ 1344.140603][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.140736][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.140830][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.140905][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.140959][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.141015][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.141089][ T32] r4:84ab0640 [ 1344.141171][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.141234][ T32] INFO: task kworker/0:187:5243 blocked for more than 470 seconds. [ 1344.141295][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.141342][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.141389][ T32] task:kworker/0:187 state:D stack:0 pid:5243 tgid:5243 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.141519][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.141653][ T32] Call trace: [ 1344.141727][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.141862][ T32] r10:8291a684 r9:eb8c1d84 r8:00000002 r7:60000113 r6:eb8c1d8c r5:85633000 [ 1344.141915][ T32] r4:85633000 [ 1344.141957][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.142036][ T32] r5:85633000 r4:8291a680 [ 1344.142127][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.142238][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.142353][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8c1e08 [ 1344.142407][ T32] r4:00000000 [ 1344.142461][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.142535][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.142612][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.142692][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85712d80 [ 1344.142737][ T32] r4:00000000 [ 1344.142831][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.142932][ T32] r9:83018005 r8:85633000 r7:00000000 r6:83018000 r5:00001000 r4:7f0b9000 [ 1344.142979][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.143071][ T32] r5:00001000 r4:eba9f000 [ 1344.143124][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.143199][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.143278][ T32] r5:855d338c r4:855d3000 [ 1344.143318][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.143405][ T32] r7:dddced80 r6:83018000 r5:855d338c r4:85692680 [ 1344.143446][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.143548][ T32] r10:61c88647 r9:85633000 r8:856926ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.143598][ T32] r4:85692680 [ 1344.143665][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.143778][ T32] r10:00000000 r9:85692680 r8:80287e08 r7:eb8bde60 r6:85691780 r5:85633000 [ 1344.143828][ T32] r4:00000001 [ 1344.143879][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.143953][ T32] Exception stack(0xeb8c1fb0 to 0xeb8c1ff8) [ 1344.144008][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1344.144063][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.144114][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.144193][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.144243][ T32] r4:85694c80 ** 1 printk messages dropped ** [ 1344.145079][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1344.145965][ T32] r5:800d0013 r4:80239bb0 ** 7 printk messages dropped ** [ 1344.146626][ T32] r4:00000000 [ 1344.146685][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.146812][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.146901][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.146996][ T32] r5:00001000 r4:ed353000 [ 1344.147042][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.147151][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.147334][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.147431][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.147582][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.147704][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.147815][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.147871][ T32] r4:84ab5800 [ 1344.147928][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.148020][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.148062][ T32] r4:00000001 [ 1344.148117][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.148187][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.148262][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.148343][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.148410][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.148491][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.148566][ T32] r4:84ab0640 [ 1344.148606][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.148684][ T32] INFO: task kworker/0:188:5244 blocked for more than 470 seconds. [ 1344.148750][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.148794][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.148833][ T32] task:kworker/0:188 state:D stack:0 pid:5244 tgid:5244 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.148937][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.149050][ T32] Call trace: [ 1344.149120][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.149204][ T32] r10:8291a684 r9:eb8c5d84 r8:00000002 r7:60000113 r6:eb8c5d8c r5:85633c00 [ 1344.185269][ T32] r4:85633c00 [ 1344.185485][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.185682][ T32] r5:85633c00 r4:8291a680 [ 1344.185893][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.185994][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1344.186350][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 2 printk messages dropped ** [ 1344.186626][ T32] r4:00000000 [ 1344.186793][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.186905][ T32] r9:83018005 r8:85633c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0d3000 [ 1344.186960][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.187045][ T32] r5:00001000 r4:eb9c3000 [ 1344.187085][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.187157][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.187234][ T32] r5:8561bf8c r4:8561bc00 [ 1344.187298][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.187394][ T32] r7:dddced80 r6:83018000 r5:8561bf8c r4:85692700 [ 1344.187434][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.187520][ T32] r10:61c88647 r9:85633c00 r8:8569272c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.187582][ T32] r4:85692700 [ 1344.187866][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.188090][ T32] r10:00000000 r9:85692700 r8:80287e08 r7:eb8c1e60 r6:85691800 r5:85633c00 [ 1344.188141][ T32] r4:00000001 [ 1344.188182][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.188252][ T32] Exception stack(0xeb8c5fb0 to 0xeb8c5ff8) [ 1344.188386][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1344.188449][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.188636][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.188702][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.188845][ T32] r4:85694c80 [ 1344.194201][ T32] INFO: task kworker/0:188:5244 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.194374][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1344.194932][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 6 printk messages dropped ** [ 1344.195475][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1344.196046][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1344.196959][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1344.197378][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1344.197736][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1344.198194][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1344.198706][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1344.199174][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa3800 ** 7 printk messages dropped ** [ 1344.221094][ T32] r5:8560338c r4:85603000 [ 1344.221133][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.221218][ T32] r7:ddde2d80 r6:83018200 r5:8560338c r4:85691880 [ 1344.221258][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.221343][ T32] r10:61c88647 r9:85630000 r8:856918ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.221391][ T32] r4:85691880 [ 1344.221430][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.221515][ T32] r10:00000000 r9:85691880 r8:80287e08 r7:eb8a5e60 r6:85691900 r5:85630000 [ 1344.221558][ T32] r4:00000001 [ 1344.221663][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.221747][ T32] Exception stack(0xeb8c9fb0 to 0xeb8c9ff8) [ 1344.221804][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1344.221858][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.221907][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.221961][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.222001][ T32] r4:84aa3480 [ 1344.222707][ T32] INFO: task kworker/1:870:5248 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.222797][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.222938][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.223116][ T32] Call trace: [ 1344.223247][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.223390][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.223490][ T32] r4:00000000 [ 1344.223551][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.223716][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.223787][ T32] dd20: b41d2000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.224025][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.224086][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.224137][ T32] r5:800d0013 r4:80239bb0 [ 1344.224177][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.224275][ T32] r4:82ac21e4 [ 1344.224321][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.224402][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.224445][ T32] r4:e044ddc0 ** 1 printk messages dropped ** [ 1344.224654][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1344.225548][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1344.226176][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1344.227074][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1344.228429][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1344.228840][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.228995][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.229136][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa3ac0 [ 1344.229195][ T32] r4:00000000 [ 1344.229273][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.264264][ T32] r9:83018205 r8:85635400 r7:00000000 r6:83018200 r5:00001000 r4:7f077000 [ 1344.264423][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.264614][ T32] r5:00001000 r4:eb18f000 [ 1344.264663][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.264756][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.264844][ T32] r5:8560378c r4:85603400 [ 1344.264885][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.264972][ T32] r7:ddde2d80 r6:83018200 r5:8560378c r4:85691980 [ 1344.265013][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.265100][ T32] r10:61c88647 r9:85635400 r8:856919ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.265158][ T32] r4:85691980 [ 1344.265202][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.265305][ T32] r10:00000000 r9:85691980 r8:80287e08 r7:eb8c9e60 r6:85691a00 r5:85635400 [ 1344.265396][ T32] r4:00000001 [ 1344.265442][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.265514][ T32] Exception stack(0xeb8cdfb0 to 0xeb8cdff8) [ 1344.265570][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.265647][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.265704][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.265769][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.265825][ T32] r4:84aa3600 [ 1344.266511][ T32] INFO: task kworker/1:871:5249 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.266615][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.266766][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.266884][ T32] Call trace: [ 1344.267056][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 1 printk messages dropped ** [ 1344.267233][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1344.267428][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.267503][ T32] dd20: b47d2000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.267586][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.267695][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.267765][ T32] r5:800d0013 r4:80239bb0 [ 1344.267847][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.267942][ T32] r4:82ac21e4 [ 1344.267992][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.268084][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.268139][ T32] r4:e044ddc0 [ 1344.268187][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.268282][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.268337][ T32] r4:00000000 [ 1344.268401][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.268535][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.268588][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.268684][ T32] r5:00001000 r4:ed353000 [ 1344.268749][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.268859][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.268971][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.269022][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.269110][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.269150][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.269268][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 1 printk messages dropped ** [ 1344.282208][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1344.282846][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 10 printk messages dropped ** [ 1344.283769][ T32] r4:85634800 ** 4 printk messages dropped ** [ 1344.284221][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8d1e08 ** 8 printk messages dropped ** [ 1344.284936][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1344.285239][ T32] r5:85603b8c r4:85603800 ** 2 printk messages dropped ** [ 1344.285418][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1344.286005][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1344.287455][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1344.287876][ T32] r5:800d0013 r4:80239bb0 ** 4 printk messages dropped ** [ 1344.288184][ T32] r4:e044ddc0 ** 7 printk messages dropped ** [ 1344.288764][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 9 printk messages dropped ** [ 1344.308165][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1344.308577][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 11 printk messages dropped ** [ 1344.314555][ T32] r4:85630c00 ** 3 printk messages dropped ** [ 1344.314825][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.314903][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8b5e08 [ 1344.314946][ T32] r4:00000000 [ 1344.315032][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.315105][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.315181][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.315257][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa3d80 [ 1344.315301][ T32] r4:00000000 [ 1344.315355][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.315468][ T32] r9:83018205 r8:85630c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1344.315529][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.315629][ T32] r5:00001000 r4:eb1fd000 [ 1344.315678][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.315763][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.315863][ T32] r5:85603f8c r4:85603c00 [ 1344.315913][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.316012][ T32] r7:ddde2d80 r6:83018200 r5:85603f8c r4:85691b80 [ 1344.316082][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.316188][ T32] r10:61c88647 r9:85630c00 r8:85691bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.316244][ T32] r4:85691b80 [ 1344.316288][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.316386][ T32] r10:00000000 r9:85691b80 r8:80287e08 r7:eb8d1e60 r6:85691c00 r5:85630c00 [ 1344.316450][ T32] r4:00000001 [ 1344.316496][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.316598][ T32] Exception stack(0xeb8b5fb0 to 0xeb8b5ff8) [ 1344.316664][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1344.316736][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.316802][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.316871][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.316936][ T32] r4:84aa3a80 [ 1344.317628][ T32] INFO: task kworker/1:873:5253 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.317707][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.317849][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.317944][ T32] Call trace: [ 1344.318021][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.318122][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.318168][ T32] r4:00000000 [ 1344.318205][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.318278][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.318358][ T32] dd20: b4a38000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.318432][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.318495][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.318543][ T32] r5:800d0013 r4:80239bb0 [ 1344.318583][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.318681][ T32] r4:82ac21e4 [ 1344.318726][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.318828][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1344.337971][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1344.338846][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1344.350547][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1344.351145][ T32] r4:85636000 ** 4 printk messages dropped ** [ 1344.351474][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb755e08 ** 9 printk messages dropped ** [ 1344.352207][ T32] r5:00001000 r4:eb301000 ** 2 printk messages dropped ** [ 1344.352426][ T32] r5:8560c38c r4:8560c000 ** 3 printk messages dropped ** [ 1344.352785][ T32] r10:61c88647 r9:85636000 r8:85691cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1344.353301][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1344.354599][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1344.355120][ T32] r4:82ac21e4 [ 1344.355167][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.355247][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.355301][ T32] r4:e044ddc0 [ 1344.355346][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.355436][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.355482][ T32] r4:00000000 [ 1344.355524][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.355623][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.355671][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.355813][ T32] r5:00001000 r4:ed353000 [ 1344.355867][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.355955][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.356063][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.356115][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.356208][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.356277][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.356388][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.356439][ T32] r4:84ab5800 [ 1344.356480][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.356607][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.356666][ T32] r4:00000001 [ 1344.356707][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.356804][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.356885][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.356952][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.357018][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.357079][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.357123][ T32] r4:84ab0640 [ 1344.357180][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.357233][ T32] INFO: task kworker/1:875:5257 blocked for more than 470 seconds. [ 1344.357303][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.357377][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.357425][ T32] task:kworker/1:875 state:D stack:0 pid:5257 tgid:5257 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.357529][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.357607][ T32] Call trace: [ 1344.357679][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.357767][ T32] r10:8291a684 r9:eb8d5d84 r8:00000002 r7:60000013 r6:eb8d5d8c r5:8562e000 [ 1344.357812][ T32] r4:8562e000 [ 1344.357851][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.357926][ T32] r5:8562e000 r4:8291a680 [ 1344.357967][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.358037][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.358129][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8d5e08 [ 1344.358193][ T32] r4:00000000 [ 1344.358242][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.358371][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.358472][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1344.358828][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1344.359142][ T32] r5:8560c78c r4:8560c400 [ 1344.359188][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1344.388578][ T32] r4:85691d80 ** 4 printk messages dropped ** [ 1344.388876][ T32] Exception stack(0xeb8d5fb0 to 0xeb8d5ff8) ** 8 printk messages dropped ** [ 1344.390937][ T32] Call trace: ** 4 printk messages dropped ** [ 1344.391380][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1344.391994][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1344.392948][ T32] r5:85c0ff8c r4:85c0fc00 ** 5 printk messages dropped ** [ 1344.393338][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1344.393879][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1344.394262][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1344.394814][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1344.395480][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1344.395762][ T32] r5:8560cb8c r4:8560c800 ** 4 printk messages dropped ** [ 1344.396098][ T32] r4:85691e80 ** 6 printk messages dropped ** [ 1344.396554][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1344.397834][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1344.398352][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1344.398677][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1344.423649][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 8 printk messages dropped ** [ 1344.424231][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1344.424974][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1344.425666][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 1 printk messages dropped ** [ 1344.425807][ T32] r4:00000000 [ 1344.425851][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.425926][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.426008][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.426096][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841ce440 [ 1344.426144][ T32] r4:00000000 [ 1344.426190][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.426324][ T32] r9:83018205 r8:85638c00 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1344.426388][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.426474][ T32] r5:00001000 r4:eb3c1000 [ 1344.426518][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.426620][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.426727][ T32] r5:8560cf8c r4:8560cc00 [ 1344.426787][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.426879][ T32] r7:ddde2d80 r6:83018200 r5:8560cf8c r4:85691f80 [ 1344.426921][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.427014][ T32] r10:61c88647 r9:85638c00 r8:85691fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.427063][ T32] r4:85691f80 [ 1344.427154][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.427253][ T32] r10:00000000 r9:85691f80 r8:80287e08 r7:eb8a9e60 r6:85693000 r5:85638c00 [ 1344.427333][ T32] r4:00000001 [ 1344.427429][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.427540][ T32] Exception stack(0xeb8d9fb0 to 0xeb8d9ff8) [ 1344.427609][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1344.427672][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.427725][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.427802][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.427858][ T32] r4:841ce180 [ 1344.428590][ T32] INFO: task kworker/1:877:5261 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.428668][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.428809][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.428914][ T32] Call trace: [ 1344.428975][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.429074][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.429179][ T32] r4:00000000 [ 1344.429279][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.450094][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.450207][ T32] dd20: b52db000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.450283][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.450385][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.450551][ T32] r5:800d0013 r4:80239bb0 [ 1344.450640][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.450725][ T32] r4:82ac21e4 [ 1344.450781][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.450848][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.450898][ T32] r4:e044ddc0 [ 1344.450955][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.451021][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.451060][ T32] r4:00000000 [ 1344.451090][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.451186][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.451221][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.451301][ T32] r5:00001000 r4:ed353000 [ 1344.451398][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.451487][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.451555][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.451586][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.451662][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.451709][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.451815][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.451857][ T32] r4:84ab5800 [ 1344.451893][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.451950][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.451993][ T32] r4:00000001 [ 1344.452018][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.452221][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.452255][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.452325][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.452359][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.452478][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.452596][ T32] r4:84ab0640 ** 1 printk messages dropped ** [ 1344.452660][ T32] INFO: task kworker/1:878:5263 blocked for more than 470 seconds. ** 9 printk messages dropped ** [ 1344.453078][ T32] r5:85639800 r4:8291a680 ** 5 printk messages dropped ** [ 1344.453286][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1344.454226][ T32] r5:8560d38c r4:8560d000 ** 2 printk messages dropped ** [ 1344.454351][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1344.454723][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1344.455521][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1344.455886][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1344.456099][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1344.456573][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1344.456942][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1344.457637][ T32] INFO: task kworker/1:879:5265 blocked for more than 470 seconds. ** 9 printk messages dropped ** [ 1344.458739][ T32] r5:8563a400 r4:8291a680 ** 5 printk messages dropped ** [ 1344.459001][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 7 printk messages dropped ** [ 1344.485413][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1344.485617][ T32] r7:ddde2d80 r6:83018200 r5:8560db8c r4:85693180 ** 5 printk messages dropped ** [ 1344.485916][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1344.486357][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 2 printk messages dropped ** [ 1344.486817][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.486915][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.486964][ T32] Call trace: [ 1344.486996][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.487075][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.487104][ T32] r4:00000000 [ 1344.487124][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.487163][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.487192][ T32] dd20: b56b6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.487220][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.487246][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.487269][ T32] r5:800d0013 r4:80239bb0 [ 1344.487289][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.487328][ T32] r4:82ac21e4 [ 1344.487348][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.487397][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.487555][ T32] r4:e044ddc0 [ 1344.487661][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.487722][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.487749][ T32] r4:00000000 [ 1344.487781][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.487831][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.487853][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.487921][ T32] r5:00001000 r4:ed353000 [ 1344.487952][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.488019][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.488066][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.488087][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.488135][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.488315][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.488382][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.488424][ T32] r4:84ab5800 [ 1344.488447][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.488495][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.488542][ T32] r4:00000001 [ 1344.488564][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.488601][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.488627][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.488680][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.488736][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.488770][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.488792][ T32] r4:84ab0640 [ 1344.488815][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.488843][ T32] INFO: task kworker/1:880:5267 blocked for more than 470 seconds. [ 1344.488954][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.488984][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.489005][ T32] task:kworker/1:880 state:D stack:0 pid:5267 tgid:5267 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.489055][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.489113][ T32] Call trace: [ 1344.489270][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.502683][ T32] r10:8291a684 r9:eb8e5d84 r8:00000002 r7:60000113 r6:eb8e5d8c r5:8563b000 [ 1344.502742][ T32] r4:8563b000 [ 1344.502772][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.502863][ T32] r5:8563b000 r4:8291a680 [ 1344.502896][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.502938][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.502980][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8e5e08 [ 1344.503008][ T32] r4:00000000 [ 1344.503029][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.503064][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.503101][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.503168][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841ce740 [ 1344.503220][ T32] r4:00000000 [ 1344.503265][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.503316][ T32] r9:83018205 r8:8563b000 r7:00000000 r6:83018200 r5:00001000 r4:7f087000 [ 1344.503345][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.503450][ T32] r5:00001000 r4:eb4fb000 [ 1344.503476][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.503517][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.503562][ T32] r5:8560d78c r4:8560d400 [ 1344.503583][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1344.503735][ T32] r10:61c88647 r9:8563b000 r8:856932ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1344.503993][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1344.504732][ T32] Call trace: ** 5 printk messages dropped ** [ 1344.504964][ T32] dd20: b5987000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 7 printk messages dropped ** [ 1344.505343][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1344.505502][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 9 printk messages dropped ** [ 1344.505871][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1344.506024][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 11 printk messages dropped ** [ 1344.507096][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1344.507766][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8e9e08 ** 2 printk messages dropped ** [ 1344.507906][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.507945][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.507987][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841cea40 [ 1344.508009][ T32] r4:00000000 [ 1344.508028][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.508072][ T32] r9:83018205 r8:8563bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f08b000 [ 1344.508095][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.508136][ T32] r5:00001000 r4:eb555000 [ 1344.508195][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.508349][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.508405][ T32] r5:8560df8c r4:8560dc00 [ 1344.508468][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.508541][ T32] r7:ddde2d80 r6:83018200 r5:8560df8c r4:85693380 [ 1344.508583][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.508685][ T32] r10:61c88647 r9:8563bc00 r8:856933ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.508712][ T32] r4:85693380 [ 1344.508732][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.508776][ T32] r10:00000000 r9:85693380 r8:80287e08 r7:eb8e1e60 r6:85693400 r5:8563bc00 [ 1344.508799][ T32] r4:00000001 [ 1344.508818][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.508877][ T32] Exception stack(0xeb8e9fb0 to 0xeb8e9ff8) [ 1344.508910][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1344.508939][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.508968][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.508998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.509020][ T32] r4:841ce780 [ 1344.509217][ T32] INFO: task kworker/1:881:5269 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.529784][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.529882][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.529948][ T32] Call trace: [ 1344.529986][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.530053][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.530107][ T32] r4:00000000 [ 1344.530160][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.530231][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.530269][ T32] dd20: b5bbb000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.530304][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.530335][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.530364][ T32] r5:800d0013 r4:80239bb0 [ 1344.530394][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.530442][ T32] r4:82ac21e4 [ 1344.530466][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.530516][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.530544][ T32] r4:e044ddc0 [ 1344.530567][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.530615][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.530668][ T32] r4:00000000 [ 1344.530801][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.530939][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.530967][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.531013][ T32] r5:00001000 r4:ed353000 [ 1344.531034][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.531180][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.531229][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.531252][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.531325][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.531434][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.531493][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.531518][ T32] r4:84ab5800 [ 1344.531546][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.531620][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.531652][ T32] r4:00000001 [ 1344.531673][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.531737][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.531795][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.531860][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.531902][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.531933][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.531955][ T32] r4:84ab0640 [ 1344.531980][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 5 printk messages dropped ** [ 1344.532532][ T32] Call trace: ** 4 printk messages dropped ** [ 1344.532710][ T32] r5:8563c800 r4:8291a680 ** 3 printk messages dropped ** [ 1344.533018][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1344.533326][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1344.533711][ T32] r5:8560e38c r4:8560e000 [ 1344.533785][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1344.533905][ T32] r10:61c88647 r9:8563c800 r8:856934ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1344.534301][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1344.535365][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 2 printk messages dropped ** [ 1344.535457][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.535537][ T32] dd20: b5bbb000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.535632][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.535662][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.535687][ T32] r5:800d0013 r4:80239bb0 [ 1344.535734][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.535779][ T32] r4:82ac21e4 [ 1344.535830][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.535878][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.535928][ T32] r4:e044ddc0 [ 1344.536303][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.536355][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.536404][ T32] r4:00000000 [ 1344.536524][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.536580][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.536604][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.536696][ T32] r5:00001000 r4:ed353000 [ 1344.536724][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.536766][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.536832][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.536857][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.537164][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.537192][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.537241][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.537367][ T32] r4:84ab5800 [ 1344.537399][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.537510][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.537539][ T32] r4:00000001 [ 1344.537565][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.537603][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.537645][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.537705][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.537736][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.537768][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.537792][ T32] r4:84ab0640 [ 1344.537889][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.537932][ T32] INFO: task kworker/1:883:5273 blocked for more than 470 seconds. [ 1344.537963][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.537992][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.538014][ T32] task:kworker/1:883 state:D stack:0 pid:5273 tgid:5273 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.538213][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.538259][ T32] Call trace: [ 1344.538387][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.538496][ T32] r10:8291a684 r9:eb8f1d84 r8:00000002 r7:60000113 r6:eb8f1d8c r5:8563d400 [ 1344.538525][ T32] r4:8563d400 [ 1344.538546][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.538590][ T32] r5:8563d400 r4:8291a680 [ 1344.538636][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.538679][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.538772][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8f1e08 [ 1344.538799][ T32] r4:00000000 [ 1344.538820][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.538855][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.538888][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.538930][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:841ced80 [ 1344.538953][ T32] r4:00000000 [ 1344.538973][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1344.539536][ T32] r5:8560e78c r4:8560e400 [ 1344.558395][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1344.558592][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1344.558831][ T32] Exception stack(0xeb8f1fb0 to 0xeb8f1ff8) ** 6 printk messages dropped ** [ 1344.559750][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1344.560591][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 3 printk messages dropped ** [ 1344.560797][ T32] r4:00000000 [ 1344.560822][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.560876][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.560901][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.560945][ T32] r5:00001000 r4:ed353000 [ 1344.560967][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.561032][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.561106][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.561131][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.561181][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.561203][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.561252][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.561297][ T32] r4:84ab5800 [ 1344.561349][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.561423][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.561448][ T32] r4:00000001 [ 1344.561494][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.561560][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.561591][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1344.561710][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1344.562051][ T32] Call trace: ** 6 printk messages dropped ** [ 1344.562332][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1344.562592][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1344.562725][ T32] r5:00001000 r4:eb763000 ** 2 printk messages dropped ** [ 1344.562891][ T32] r5:8560f38c r4:8560f000 [ 1344.562915][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1344.563060][ T32] r10:61c88647 r9:8563e000 r8:856936ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1344.563310][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1344.563777][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1344.564446][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1344.564988][ T32] r5:00001000 r4:ed353000 ** 6 printk messages dropped ** [ 1344.565329][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1344.565657][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1344.566165][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1344.566636][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1344.566987][ T32] r9:83018205 r8:8563ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1344.567034][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.567131][ T32] r5:00001000 r4:eb741000 [ 1344.567155][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.567195][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.567237][ T32] r5:8560eb8c r4:8560e800 [ 1344.567307][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.567359][ T32] r7:ddde2d80 r6:83018200 r5:8560eb8c r4:85693780 [ 1344.567428][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.567481][ T32] r10:61c88647 r9:8563ec00 r8:856937ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.567504][ T32] r4:85693780 [ 1344.567525][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.567621][ T32] r10:00000000 r9:85693780 r8:80287e08 r7:eb8f5e60 r6:85693800 r5:8563ec00 [ 1344.567648][ T32] r4:00000001 [ 1344.567667][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.567702][ T32] Exception stack(0xeb8f9fb0 to 0xeb8f9ff8) [ 1344.567801][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1344.567835][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.567889][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.567933][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.567976][ T32] r4:841ced40 [ 1344.568162][ T32] INFO: task kworker/1:885:5277 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.568219][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.568401][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.568516][ T32] Call trace: [ 1344.568584][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.568636][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.568684][ T32] r4:00000000 [ 1344.568708][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.568748][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.568802][ T32] dd20: b5d94000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.568920][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.568961][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.568985][ T32] r5:800d0013 r4:80239bb0 [ 1344.569005][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.569046][ T32] r4:82ac21e4 [ 1344.569066][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.569107][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.569129][ T32] r4:e044ddc0 [ 1344.569250][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.602028][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.602103][ T32] r4:00000000 [ 1344.602137][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.602208][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.602253][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.602306][ T32] r5:00001000 r4:ed353000 [ 1344.602328][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.602389][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.602437][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.602458][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.602506][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.602527][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.602594][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.602621][ T32] r4:84ab5800 [ 1344.602641][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.602699][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.602726][ T32] r4:00000001 [ 1344.602746][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.602784][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.602814][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.602852][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.602894][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.602926][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.602969][ T32] r4:84ab0640 [ 1344.603038][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.603104][ T32] INFO: task kworker/1:886:5279 blocked for more than 471 seconds. ** 3 printk messages dropped ** [ 1344.603333][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1344.603579][ T32] r5:85640000 r4:8291a680 ** 6 printk messages dropped ** [ 1344.603868][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1344.604229][ T32] r5:8560ef8c r4:8560ec00 ** 1 printk messages dropped ** [ 1344.604299][ T32] r7:ddde2d80 r6:83018200 r5:8560ef8c r4:85693880 ** 4 printk messages dropped ** [ 1344.604487][ T32] r10:00000000 r9:85693880 r8:80287e08 r7:eb8f5e60 r6:85693900 r5:85640000 ** 9 printk messages dropped ** [ 1344.605271][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1344.605844][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 5 printk messages dropped ** [ 1344.606050][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.606077][ T32] r4:00000000 [ 1344.606105][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.606154][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.606193][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.606239][ T32] r5:00001000 r4:ed353000 [ 1344.606259][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.606298][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.606339][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.606359][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.606410][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.606450][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.606524][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.606575][ T32] r4:84ab5800 [ 1344.606597][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.606644][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.606677][ T32] r4:00000001 [ 1344.606699][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.606735][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.606761][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.606789][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.606815][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.606844][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.606907][ T32] r4:84ab0640 [ 1344.606931][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.606975][ T32] INFO: task kworker/1:887:5281 blocked for more than 471 seconds. [ 1344.607005][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.607029][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.607049][ T32] task:kworker/1:887 state:D stack:0 pid:5281 tgid:5281 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1344.607279][ T32] r4:85640c00 ** 4 printk messages dropped ** [ 1344.607476][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb901e08 ** 2 printk messages dropped ** [ 1344.607567][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.607606][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.607646][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856a4300 [ 1344.607686][ T32] r4:00000000 [ 1344.607709][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.607754][ T32] r9:83018205 r8:85640c00 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 [ 1344.607776][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.607817][ T32] r5:00001000 r4:eb76d000 [ 1344.607836][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.607891][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.607936][ T32] r5:8560f78c r4:8560f400 [ 1344.607957][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.608001][ T32] r7:ddde2d80 r6:83018200 r5:8560f78c r4:85693980 [ 1344.608021][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.608065][ T32] r10:61c88647 r9:85640c00 r8:856939ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.608087][ T32] r4:85693980 [ 1344.608105][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.608148][ T32] r10:00000000 r9:85693980 r8:80287e08 r7:eb8f5e60 r6:85693a00 r5:85640c00 [ 1344.608169][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1344.608293][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1344.608826][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1344.609159][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1344.627542][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1344.627916][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1344.628200][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 5 printk messages dropped ** [ 1344.628398][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1344.628763][ T32] r4:85641800 ** 4 printk messages dropped ** [ 1344.628921][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb905e08 ** 11 printk messages dropped ** [ 1344.633682][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1344.633890][ T32] r10:61c88647 r9:85641800 r8:85693aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1344.634224][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1344.634982][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1344.635417][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1344.635662][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1344.635848][ T32] r5:00001000 r4:ed353000 [ 1344.635868][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.635906][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.635947][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.635966][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.636031][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.636057][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.636124][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.636155][ T32] r4:84ab5800 [ 1344.636174][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.636220][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.636263][ T32] r4:00000001 [ 1344.636310][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.636351][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.636390][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.636422][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.636448][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.636476][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.636497][ T32] r4:84ab0640 [ 1344.636556][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.636622][ T32] INFO: task kworker/1:889:5285 blocked for more than 471 seconds. [ 1344.636680][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.636708][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.636730][ T32] task:kworker/1:889 state:D stack:0 pid:5285 tgid:5285 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.636773][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.636813][ T32] Call trace: [ 1344.636842][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.636887][ T32] r10:8291a684 r9:eb909d84 r8:00000002 r7:60000113 r6:eb909d8c r5:85642400 [ 1344.636932][ T32] r4:85642400 [ 1344.636957][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.637000][ T32] r5:85642400 r4:8291a680 [ 1344.637040][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.637082][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.637124][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb909e08 [ 1344.637146][ T32] r4:00000000 [ 1344.637185][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.637223][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.637257][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.637316][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856a4840 [ 1344.637341][ T32] r4:00000000 [ 1344.637387][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.637439][ T32] r9:83018205 r8:85642400 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1344.637482][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.637547][ T32] r5:00001000 r4:eb7a5000 [ 1344.637571][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.637609][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.637672][ T32] r5:8561838c r4:85618000 [ 1344.637695][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.637740][ T32] r7:ddde2d80 r6:83018200 r5:8561838c r4:85693b80 [ 1344.637781][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.637830][ T32] r10:61c88647 r9:85642400 r8:85693bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.637873][ T32] r4:85693b80 [ 1344.637895][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.637952][ T32] r10:00000000 r9:85693b80 r8:80287e08 r7:eb905e60 r6:85693c00 r5:85642400 ** 6 printk messages dropped ** [ 1344.638182][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1344.638720][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1344.638958][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 6 printk messages dropped ** [ 1344.639155][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 9 printk messages dropped ** [ 1344.655850][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1344.656098][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1344.656283][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1344.656655][ T32] Call trace: ** 6 printk messages dropped ** [ 1344.656912][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1344.657302][ T32] r9:83018205 r8:85643000 r7:00000000 r6:83018200 r5:00001000 r4:7f09b000 ** 4 printk messages dropped ** [ 1344.657490][ T32] r5:8560ff8c r4:8560fc00 ** 3 printk messages dropped ** [ 1344.657619][ T32] r10:61c88647 r9:85643000 r8:85693cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1344.657853][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1344.658465][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1344.658705][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1344.658935][ T32] r4:82ac21e4 [ 1344.658959][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.659003][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.659026][ T32] r4:e044ddc0 [ 1344.659065][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.659129][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.659154][ T32] r4:00000000 [ 1344.659175][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.659262][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.672056][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.672145][ T32] r5:00001000 r4:ed353000 [ 1344.672188][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.672269][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.672317][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.672338][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.672391][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.672414][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.672461][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.672524][ T32] r4:84ab5800 [ 1344.672569][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.672620][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.672643][ T32] r4:00000001 [ 1344.672662][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.672715][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.672749][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.672778][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.672803][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.672833][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.672854][ T32] r4:84ab0640 [ 1344.672876][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.672903][ T32] INFO: task kworker/1:891:5289 blocked for more than 471 seconds. [ 1344.672949][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.672977][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.673000][ T32] task:kworker/1:891 state:D stack:0 pid:5289 tgid:5289 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.673073][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.673131][ T32] Call trace: [ 1344.673194][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.673248][ T32] r10:8291a684 r9:eb90dd84 r8:00000002 r7:60000013 r6:eb90dd8c r5:85643c00 [ 1344.673270][ T32] r4:85643c00 [ 1344.673290][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.673331][ T32] r5:85643c00 r4:8291a680 [ 1344.673351][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.673395][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.673437][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb90de08 [ 1344.673478][ T32] r4:00000000 [ 1344.673519][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.673557][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.673614][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.673660][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856a4980 [ 1344.673702][ T32] r4:00000000 [ 1344.673726][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.673772][ T32] r9:83018205 r8:85643c00 r7:00000000 r6:83018200 r5:00001000 r4:7f09f000 [ 1344.673793][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.673835][ T32] r5:00001000 r4:eb91f000 [ 1344.673854][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.673892][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.673932][ T32] r5:8561878c r4:85618400 [ 1344.673972][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.674021][ T32] r7:ddde2d80 r6:83018200 r5:8561878c r4:85693d80 [ 1344.674041][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.674086][ T32] r10:61c88647 r9:85643c00 r8:85693dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.674108][ T32] r4:85693d80 [ 1344.674187][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.674241][ T32] r10:00000000 r9:85693d80 r8:80287e08 r7:eb909e60 r6:85693e00 r5:85643c00 [ 1344.674275][ T32] r4:00000001 [ 1344.674297][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.674331][ T32] Exception stack(0xeb90dfb0 to 0xeb90dff8) [ 1344.674357][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.674390][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.674417][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.674446][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.674468][ T32] r4:856a46c0 [ 1344.674870][ T32] INFO: task kworker/1:891:5289 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 5 printk messages dropped ** [ 1344.675196][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1344.675368][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1344.675648][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 8 printk messages dropped ** [ 1344.676042][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.676121][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.676168][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.676217][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.676240][ T32] r4:84ab5800 [ 1344.676260][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.676324][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.676353][ T32] r4:00000001 [ 1344.676374][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.676435][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.676464][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.676492][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.676542][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.676571][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.676592][ T32] r4:84ab0640 [ 1344.676611][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.676656][ T32] INFO: task kworker/1:892:5291 blocked for more than 471 seconds. [ 1344.676687][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.676710][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.676731][ T32] task:kworker/1:892 state:D stack:0 pid:5291 tgid:5291 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.676788][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.676853][ T32] Call trace: [ 1344.676884][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.676930][ T32] r10:8291a684 r9:eb91dd84 r8:00000002 r7:60000113 r6:eb91dd8c r5:85644800 [ 1344.676953][ T32] r4:85644800 [ 1344.676972][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.677039][ T32] r5:85644800 r4:8291a680 [ 1344.677082][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.677151][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.677197][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb91de08 [ 1344.677220][ T32] r4:00000000 [ 1344.677239][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.677272][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.677306][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.677347][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856a4b00 [ 1344.677369][ T32] r4:00000000 [ 1344.677396][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.677439][ T32] r9:83018205 r8:85644800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1344.677506][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.677552][ T32] r5:00001000 r4:eb92b000 [ 1344.677573][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.677633][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.677679][ T32] r5:85618b8c r4:85618800 [ 1344.677728][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1344.677924][ T32] r10:61c88647 r9:85644800 r8:85693eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1344.678238][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1344.678771][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1344.679097][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 6 printk messages dropped ** [ 1344.697995][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1344.698409][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1344.698579][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1344.698740][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1344.698951][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1344.703692][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1344.703997][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856a4c80 ** 7 printk messages dropped ** [ 1344.704289][ T32] r5:85618f8c r4:85618c00 [ 1344.704319][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1344.704630][ T32] r10:00000000 r9:85693f80 r8:80287e08 r7:eb91de60 r6:856b2000 r5:85645400 ** 4 printk messages dropped ** [ 1344.704784][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.704844][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.704896][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.704921][ T32] r4:856a4800 [ 1344.705311][ T32] INFO: task kworker/1:893:5293 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.705354][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.705437][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.705503][ T32] Call trace: [ 1344.705539][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.705611][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.705639][ T32] r4:00000000 [ 1344.705658][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.705716][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.705748][ T32] dd20: b74ec000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.705827][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.705856][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.705881][ T32] r5:800d0013 r4:80239bb0 [ 1344.705901][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.705941][ T32] r4:82ac21e4 [ 1344.705990][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.706057][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.706083][ T32] r4:e044ddc0 [ 1344.706123][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.706169][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.706220][ T32] r4:00000000 [ 1344.706263][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.706312][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.706334][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.706376][ T32] r5:00001000 r4:ed353000 [ 1344.706403][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.706442][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.706483][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.706536][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.706633][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.706659][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.706722][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.706748][ T32] r4:84ab5800 [ 1344.706767][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.706824][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.706851][ T32] r4:00000001 [ 1344.706899][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.706938][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.706964][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.706991][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.707047][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.707079][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.707100][ T32] r4:84ab0640 [ 1344.707121][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.707180][ T32] INFO: task kworker/1:894:5294 blocked for more than 471 seconds. [ 1344.707215][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.707249][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.707274][ T32] task:kworker/1:894 state:D stack:0 pid:5294 tgid:5294 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.707342][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.707390][ T32] Call trace: [ 1344.707441][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 5 printk messages dropped ** [ 1344.707681][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1344.707960][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1344.708194][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.708284][ T32] r5:8561938c r4:85619000 ** 2 printk messages dropped ** [ 1344.708374][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1344.708753][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1344.721529][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 6 printk messages dropped ** [ 1344.721867][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 6 printk messages dropped ** [ 1344.722169][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 11 printk messages dropped ** [ 1344.722733][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1344.722885][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.722916][ T32] r4:00000001 [ 1344.722947][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.722986][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.723012][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.723060][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.723090][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.723119][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.723141][ T32] r4:84ab0640 [ 1344.723164][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.723192][ T32] INFO: task kworker/1:895:5298 blocked for more than 471 seconds. [ 1344.723224][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.723248][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.723269][ T32] task:kworker/1:895 state:D stack:0 pid:5298 tgid:5298 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.723321][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.723370][ T32] Call trace: [ 1344.723408][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.723471][ T32] r10:8291a684 r9:eb949d84 r8:00000002 r7:60000013 r6:eb949d8c r5:85648c00 [ 1344.723510][ T32] r4:85648c00 [ 1344.723534][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.723642][ T32] r5:85648c00 r4:8291a680 [ 1344.723695][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.723738][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.723779][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb949e08 [ 1344.723801][ T32] r4:00000000 [ 1344.723820][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.723862][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.723900][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.723951][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856b6600 [ 1344.724025][ T32] r4:00000000 [ 1344.724049][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.724094][ T32] r9:83018205 r8:85648c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0c3000 [ 1344.724117][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.724168][ T32] r5:00001000 r4:eb96f000 [ 1344.724213][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.724278][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.724323][ T32] r5:8561a38c r4:8561a000 [ 1344.724343][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.724393][ T32] r7:ddde2d80 r6:83018200 r5:8561a38c r4:856b2180 [ 1344.724414][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.724459][ T32] r10:61c88647 r9:85648c00 r8:856b21ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.724481][ T32] r4:856b2180 [ 1344.724521][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.724570][ T32] r10:00000000 r9:856b2180 r8:80287e08 r7:eb915e60 r6:856b2200 r5:85648c00 [ 1344.724592][ T32] r4:00000001 [ 1344.724611][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.724645][ T32] Exception stack(0xeb949fb0 to 0xeb949ff8) [ 1344.724670][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1344.724703][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.724731][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.724760][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.724787][ T32] r4:856a4d00 [ 1344.725154][ T32] INFO: task kworker/1:895:5298 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.725209][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.725292][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1344.725443][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1344.725598][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1344.725935][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1344.726305][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1344.726515][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1344.726675][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1344.726937][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1344.727310][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb955e08 ** 7 printk messages dropped ** [ 1344.727602][ T32] r9:83018205 r8:85649800 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 ** 4 printk messages dropped ** [ 1344.727857][ T32] r5:8561978c r4:85619400 ** 1 printk messages dropped ** [ 1344.727921][ T32] r7:ddde2d80 r6:83018200 r5:8561978c r4:856b2280 ** 4 printk messages dropped ** [ 1344.728120][ T32] r10:00000000 r9:856b2280 r8:80287e08 r7:eb949e60 r6:856b2300 r5:85649800 ** 9 printk messages dropped ** [ 1344.728648][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1344.729107][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 8 printk messages dropped ** [ 1344.752152][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1344.752470][ T32] r5:85c0ff8c r4:85c0fc00 ** 4 printk messages dropped ** [ 1344.752672][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1344.752878][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 3 printk messages dropped ** [ 1344.753020][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.753045][ T32] r4:84ab0640 [ 1344.753069][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.753098][ T32] INFO: task kworker/1:897:5301 blocked for more than 471 seconds. [ 1344.753151][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.753179][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.753203][ T32] task:kworker/1:897 state:D stack:0 pid:5301 tgid:5301 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.753259][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.753332][ T32] Call trace: [ 1344.753369][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.753428][ T32] r10:8291a684 r9:eb961d84 r8:00000002 r7:60000013 r6:eb961d8c r5:85648000 [ 1344.753451][ T32] r4:85648000 [ 1344.753492][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.753538][ T32] r5:85648000 r4:8291a680 [ 1344.753559][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.753597][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.753638][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb961e08 [ 1344.753669][ T32] r4:00000000 [ 1344.753691][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.753727][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.753761][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.753801][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856b6140 [ 1344.753824][ T32] r4:00000000 [ 1344.753842][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.753901][ T32] r9:83018205 r8:85648000 r7:00000000 r6:83018200 r5:00001000 r4:7f0b5000 [ 1344.753927][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.753990][ T32] r5:00001000 r4:eb957000 [ 1344.754015][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.754054][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.754103][ T32] r5:85619b8c r4:85619800 [ 1344.754126][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.754170][ T32] r7:ddde2d80 r6:83018200 r5:85619b8c r4:856b2380 [ 1344.754190][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.754234][ T32] r10:61c88647 r9:85648000 r8:856b23ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.754255][ T32] r4:856b2380 [ 1344.754273][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.754329][ T32] r10:00000000 r9:856b2380 r8:80287e08 r7:eb949e60 r6:856b2400 r5:85648000 [ 1344.754361][ T32] r4:00000001 [ 1344.754384][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.754422][ T32] Exception stack(0xeb961fb0 to 0xeb961ff8) [ 1344.754449][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1344.754496][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.754527][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.754576][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.754602][ T32] r4:856b6100 [ 1344.754972][ T32] INFO: task kworker/1:897:5301 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.755026][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.755109][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.755178][ T32] Call trace: [ 1344.755223][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.755283][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.755324][ T32] r4:00000000 [ 1344.755346][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.755390][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.755433][ T32] dd20: b7e1f000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.755465][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.755490][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.755514][ T32] r5:800d0013 r4:80239bb0 [ 1344.755534][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.755573][ T32] r4:82ac21e4 [ 1344.755592][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.755631][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.755654][ T32] r4:e044ddc0 [ 1344.755694][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.755739][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.755761][ T32] r4:00000000 [ 1344.755780][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.755861][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.755886][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.755928][ T32] r5:00001000 r4:ed353000 [ 1344.755977][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.756030][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.756103][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.756132][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.756189][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.756214][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.756261][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.756283][ T32] r4:84ab5800 [ 1344.756310][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.756364][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.756421][ T32] r4:00000001 [ 1344.756444][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.756481][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.756529][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.756558][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.756585][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.756639][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.756676][ T32] r4:84ab0640 [ 1344.756699][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.756736][ T32] INFO: task kworker/1:898:5303 blocked for more than 471 seconds. [ 1344.756810][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.756836][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.756858][ T32] task:kworker/1:898 state:D stack:0 pid:5303 tgid:5303 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.756900][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.756946][ T32] Call trace: [ 1344.756975][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.757031][ T32] r10:8291a684 r9:eb96dd84 r8:00000002 r7:60000113 r6:eb96dd8c r5:8564bc00 [ 1344.757058][ T32] r4:8564bc00 [ 1344.757078][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.757120][ T32] r5:8564bc00 r4:8291a680 [ 1344.757204][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.757246][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.757286][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb96de08 [ 1344.757308][ T32] r4:00000000 [ 1344.757326][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.757360][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.757405][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.757446][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856b6400 [ 1344.757468][ T32] r4:00000000 [ 1344.757511][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.757558][ T32] r9:83018205 r8:8564bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b7000 [ 1344.757579][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.757645][ T32] r5:00001000 r4:eb963000 [ 1344.757668][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.757707][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.757748][ T32] r5:85619f8c r4:85619c00 [ 1344.757767][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.757811][ T32] r7:ddde2d80 r6:83018200 r5:85619f8c r4:856b2480 [ 1344.757854][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.757949][ T32] r10:61c88647 r9:8564bc00 r8:856b24ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.757976][ T32] r4:856b2480 [ 1344.758015][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.758062][ T32] r10:00000000 r9:856b2480 r8:80287e08 r7:eb949e60 r6:856b2500 r5:8564bc00 [ 1344.758084][ T32] r4:00000001 [ 1344.758124][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.758162][ T32] Exception stack(0xeb96dfb0 to 0xeb96dff8) [ 1344.758203][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.758235][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.758281][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.758360][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.758390][ T32] r4:856b6280 [ 1344.758589][ T32] INFO: task kworker/1:898:5303 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.758622][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.758689][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.758753][ T32] Call trace: [ 1344.758786][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.758836][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.758859][ T32] r4:00000000 [ 1344.758905][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.758947][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.758974][ T32] dd20: b7e1f000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.759019][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.759050][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.759101][ T32] r5:800d0013 r4:80239bb0 [ 1344.759126][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.759168][ T32] r4:82ac21e4 [ 1344.759188][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.776721][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.776762][ T32] r4:e044ddc0 [ 1344.776784][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.776843][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.776866][ T32] r4:00000000 [ 1344.776885][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.776952][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.776979][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.777046][ T32] r5:00001000 r4:ed353000 [ 1344.777096][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.777170][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.777218][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.777239][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.777315][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.777341][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.777395][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.777419][ T32] r4:84ab5800 [ 1344.777459][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.777539][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.777570][ T32] r4:00000001 [ 1344.777612][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.777653][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.777683][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.777731][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.777783][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.777816][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.777839][ T32] r4:84ab0640 [ 1344.777861][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.777918][ T32] INFO: task kworker/1:899:5305 blocked for more than 471 seconds. [ 1344.777955][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.777989][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.778015][ T32] task:kworker/1:899 state:D stack:0 pid:5305 tgid:5305 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.778068][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.778182][ T32] Call trace: [ 1344.778222][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.778276][ T32] r10:8291a684 r9:eb979d84 r8:00000002 r7:60000013 r6:eb979d8c r5:8564b000 [ 1344.778324][ T32] r4:8564b000 [ 1344.778345][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.778392][ T32] r5:8564b000 r4:8291a680 [ 1344.778413][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.778451][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.778492][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb979e08 [ 1344.778544][ T32] r4:00000000 [ 1344.778573][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.778610][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.778644][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.778703][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856b6800 [ 1344.778757][ T32] r4:00000000 [ 1344.778779][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.778824][ T32] r9:83018205 r8:8564b000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c5000 [ 1344.778874][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.778918][ T32] r5:00001000 r4:eb97b000 [ 1344.778938][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.778975][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.779043][ T32] r5:8561a78c r4:8561a400 [ 1344.779068][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.779115][ T32] r7:ddde2d80 r6:83018200 r5:8561a78c r4:856b2580 [ 1344.779135][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.779180][ T32] r10:61c88647 r9:8564b000 r8:856b25ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.791734][ T32] r4:856b2580 [ 1344.791842][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.791920][ T32] r10:00000000 r9:856b2580 r8:80287e08 r7:eb949e60 r6:856b2600 r5:8564b000 [ 1344.791945][ T32] r4:00000001 [ 1344.791964][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.792002][ T32] Exception stack(0xeb979fb0 to 0xeb979ff8) [ 1344.792031][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1344.792059][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.792086][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.792114][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.792135][ T32] r4:856b6040 [ 1344.792530][ T32] INFO: task kworker/1:899:5305 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.792594][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.792673][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.792726][ T32] Call trace: [ 1344.792786][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.792839][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.792872][ T32] r4:00000000 [ 1344.792896][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.792936][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.792964][ T32] dd20: b856d000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.792993][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.793018][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.793061][ T32] r5:800d0013 r4:80239bb0 [ 1344.793086][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.793128][ T32] r4:82ac21e4 [ 1344.793148][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.793190][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.793212][ T32] r4:e044ddc0 [ 1344.793251][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.793309][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.793356][ T32] r4:00000000 [ 1344.793383][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.793432][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.793454][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.793513][ T32] r5:00001000 r4:ed353000 [ 1344.793556][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.793610][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.793671][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.793694][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.793766][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.793812][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.793869][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.793892][ T32] r4:84ab5800 [ 1344.793911][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.793978][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.794004][ T32] r4:00000001 [ 1344.794023][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.794058][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.794083][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.794110][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.794155][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.794216][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.794242][ T32] r4:84ab0640 [ 1344.794263][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.794289][ T32] INFO: task kworker/1:900:5307 blocked for more than 471 seconds. [ 1344.794320][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.794361][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.794391][ T32] task:kworker/1:900 state:D stack:0 pid:5307 tgid:5307 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.794454][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.794516][ T32] Call trace: [ 1344.794555][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.794603][ T32] r10:8291a684 r9:eb985d84 r8:00000002 r7:60000013 r6:eb985d8c r5:8564d400 [ 1344.794624][ T32] r4:8564d400 [ 1344.794644][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.794706][ T32] r5:8564d400 r4:8291a680 [ 1344.794730][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.794789][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.794856][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb985e08 [ 1344.794881][ T32] r4:00000000 [ 1344.794900][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.794935][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.794989][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.795035][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856b6a00 [ 1344.795066][ T32] r4:00000000 [ 1344.795089][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.795133][ T32] r9:83018205 r8:8564d400 r7:00000000 r6:83018200 r5:00001000 r4:7f0c7000 [ 1344.795155][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.795196][ T32] r5:00001000 r4:eb987000 [ 1344.795215][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.795252][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.795302][ T32] r5:8561ab8c r4:8561a800 [ 1344.795337][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.795391][ T32] r7:ddde2d80 r6:83018200 r5:8561ab8c r4:856b2680 [ 1344.795414][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.795459][ T32] r10:61c88647 r9:8564d400 r8:856b26ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.795493][ T32] r4:856b2680 [ 1344.795515][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.795562][ T32] r10:00000000 r9:856b2680 r8:80287e08 r7:eb979e60 r6:856b2700 r5:8564d400 [ 1344.795585][ T32] r4:00000001 [ 1344.795605][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.795639][ T32] Exception stack(0xeb985fb0 to 0xeb985ff8) [ 1344.795684][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1344.795727][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.795782][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.795814][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.795846][ T32] r4:856b6680 [ 1344.796030][ T32] INFO: task kworker/1:900:5307 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.796064][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1344.796391][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1344.796717][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1344.797014][ T32] r5:00001000 r4:ed353000 ** 6 printk messages dropped ** [ 1344.797300][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1344.797638][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 10 printk messages dropped ** [ 1344.798037][ T32] r4:84b06c00 ** 4 printk messages dropped ** [ 1344.798256][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb991e08 ** 8 printk messages dropped ** [ 1344.798607][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1344.798766][ T32] r5:8561b78c r4:8561b400 ** 3 printk messages dropped ** [ 1344.798925][ T32] r10:61c88647 r9:84b06c00 r8:856b27ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1344.813408][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1344.813983][ T32] Call trace: ** 6 printk messages dropped ** [ 1344.814203][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1344.814552][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1344.815016][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1344.815278][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1344.815491][ T32] INFO: task kworker/1:902:5310 blocked for more than 471 seconds. ** 12 printk messages dropped ** [ 1344.816075][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb99de08 [ 1344.816102][ T32] r4:00000000 [ 1344.816142][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.816199][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.816238][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.816278][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856b6b40 [ 1344.816300][ T32] r4:00000000 [ 1344.816331][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.816377][ T32] r9:83018205 r8:84b06000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c9000 [ 1344.816416][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.816461][ T32] r5:00001000 r4:eb993000 [ 1344.816481][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.816546][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.816595][ T32] r5:8561af8c r4:8561ac00 [ 1344.816615][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.816660][ T32] r7:ddde2d80 r6:83018200 r5:8561af8c r4:856b2800 [ 1344.816702][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.816752][ T32] r10:61c88647 r9:84b06000 r8:856b282c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.816774][ T32] r4:856b2800 [ 1344.816793][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.816837][ T32] r10:00000000 r9:856b2800 r8:80287e08 r7:eb991e60 r6:85692800 r5:84b06000 [ 1344.816859][ T32] r4:00000001 [ 1344.816877][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.816912][ T32] Exception stack(0xeb99dfb0 to 0xeb99dff8) [ 1344.816938][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.816965][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.816990][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.817018][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.817038][ T32] r4:856b6a80 [ 1344.817232][ T32] INFO: task kworker/1:902:5310 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.817288][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.817345][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.817397][ T32] Call trace: [ 1344.817427][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.817497][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.817566][ T32] r4:00000000 [ 1344.817602][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.817677][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.817708][ T32] dd20: b8848000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.817736][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.817761][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.817784][ T32] r5:800d0013 r4:80239bb0 [ 1344.817804][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.817844][ T32] r4:82ac21e4 [ 1344.817873][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.817919][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.817942][ T32] r4:e044ddc0 [ 1344.817961][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.818001][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.818023][ T32] r4:00000000 [ 1344.818062][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.818115][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.818137][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.818178][ T32] r5:00001000 r4:ed353000 [ 1344.818252][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.818322][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.818366][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.818411][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.818464][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.818486][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.818542][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.818579][ T32] r4:84ab5800 [ 1344.818600][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.818655][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.818681][ T32] r4:00000001 [ 1344.818700][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.818743][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.818771][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.818799][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1344.818917][ T32] INFO: task kworker/1:903:5313 blocked for more than 471 seconds. ** 9 printk messages dropped ** [ 1344.819336][ T32] r5:84b01800 r4:8291a680 ** 5 printk messages dropped ** [ 1344.836028][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1344.836316][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1344.836594][ T32] r10:61c88647 r9:84b01800 r8:856b28ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1344.837046][ T32] r4:856b6b80 ** 4 printk messages dropped ** [ 1344.837723][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 8 printk messages dropped ** [ 1344.838143][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1344.838646][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1344.839103][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1344.852242][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1344.852467][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1344.852900][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1344.853332][ T32] r5:00001000 r4:eb9cf000 ** 2 printk messages dropped ** [ 1344.853500][ T32] r5:856cc38c r4:856cc000 ** 1 printk messages dropped ** [ 1344.853574][ T32] r7:ddde2d80 r6:83018200 r5:856cc38c r4:856b2900 [ 1344.853595][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.853641][ T32] r10:61c88647 r9:85646000 r8:856b292c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.853683][ T32] r4:856b2900 [ 1344.853709][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.853777][ T32] r10:00000000 r9:856b2900 r8:80287e08 r7:eb991e60 r6:85692900 r5:85646000 [ 1344.853809][ T32] r4:00000001 [ 1344.853829][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.853866][ T32] Exception stack(0xeb9b5fb0 to 0xeb9b5ff8) [ 1344.853892][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1344.853920][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.853946][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.853975][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.854003][ T32] r4:856b6a80 [ 1344.854391][ T32] INFO: task kworker/1:904:5315 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.854429][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.854498][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.854575][ T32] Call trace: [ 1344.854644][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.854714][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.854741][ T32] r4:00000000 [ 1344.854770][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.854814][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.854843][ T32] dd20: b905a000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.854872][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.854898][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.854942][ T32] r5:800d0013 r4:80239bb0 [ 1344.854972][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.855013][ T32] r4:82ac21e4 [ 1344.855042][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.855087][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.855109][ T32] r4:e044ddc0 [ 1344.855129][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.855169][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.855191][ T32] r4:00000000 [ 1344.855210][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.855254][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.855274][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.855314][ T32] r5:00001000 r4:ed353000 [ 1344.855333][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.855383][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.855431][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.855450][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.855510][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.855555][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.855606][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.855666][ T32] r4:84ab5800 [ 1344.855688][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.855735][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.855757][ T32] r4:00000001 [ 1344.855776][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.855810][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.855855][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.855891][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.855917][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.855945][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.855967][ T32] r4:84ab0640 [ 1344.856006][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.856035][ T32] INFO: task kworker/1:905:5317 blocked for more than 471 seconds. [ 1344.856062][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.856085][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.856105][ T32] task:kworker/1:905 state:D stack:0 pid:5317 tgid:5317 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.856168][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.856217][ T32] Call trace: [ 1344.856259][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.856315][ T32] r10:8291a684 r9:eb9c1d84 r8:00000002 r7:60000013 r6:eb9c1d8c r5:85636c00 [ 1344.856341][ T32] r4:85636c00 [ 1344.856361][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.856427][ T32] r5:85636c00 r4:8291a680 [ 1344.856481][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.856567][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.856614][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9c1e08 [ 1344.856636][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1344.856687][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1344.857047][ T32] r5:8561bb8c r4:8561b800 [ 1344.857070][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1344.857146][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1344.857339][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1344.857510][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1344.858020][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 8 printk messages dropped ** [ 1344.858271][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 6 printk messages dropped ** [ 1344.858511][ T32] r4:00000000 [ 1344.858530][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.858574][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.858610][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.858656][ T32] r5:00001000 r4:ed353000 [ 1344.858677][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.858716][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.858776][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.858801][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.858848][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.858869][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.858915][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.858937][ T32] r4:84ab5800 [ 1344.858956][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.859020][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.859046][ T32] r4:00000001 [ 1344.859086][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.859124][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.859178][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.859241][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.879734][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.879805][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.879836][ T32] r4:84ab0640 [ 1344.879866][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.879912][ T32] INFO: task kworker/0:189:5319 blocked for more than 471 seconds. [ 1344.879951][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.880012][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.880043][ T32] task:kworker/0:189 state:D stack:0 pid:5319 tgid:5319 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.880107][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.880173][ T32] Call trace: [ 1344.880210][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.880274][ T32] r10:8291a684 r9:eb935d84 r8:00000002 r7:60000113 r6:eb935d8c r5:842b0000 [ 1344.880301][ T32] r4:842b0000 [ 1344.880325][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.880376][ T32] r5:842b0000 r4:8291a680 [ 1344.880407][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.880453][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.880535][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb935e08 [ 1344.880564][ T32] r4:00000000 [ 1344.880587][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.880627][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.880692][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.880746][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856bc680 [ 1344.880772][ T32] r4:00000000 [ 1344.880795][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.880851][ T32] r9:83018005 r8:842b0000 r7:00000000 r6:83018000 r5:00001000 r4:7f053000 [ 1344.880877][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.880923][ T32] r5:00001000 r4:eb77f000 [ 1344.880945][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.881008][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.881058][ T32] r5:855d2b8c r4:855d2800 [ 1344.881081][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.881133][ T32] r7:dddced80 r6:83018000 r5:855d2b8c r4:85692a00 [ 1344.881155][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.881228][ T32] r10:61c88647 r9:842b0000 r8:85692a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.881256][ T32] r4:85692a00 [ 1344.881308][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.881406][ T32] r10:00000000 r9:85692a00 r8:80287e08 r7:eb8c1e60 r6:85692a80 r5:842b0000 [ 1344.881432][ T32] r4:00000001 [ 1344.881453][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.881494][ T32] Exception stack(0xeb935fb0 to 0xeb935ff8) [ 1344.881524][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1344.881554][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1344.882174][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1344.882768][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 8 printk messages dropped ** [ 1344.883150][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 8 printk messages dropped ** [ 1344.883539][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1344.883766][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1344.884035][ T32] INFO: task kworker/1:906:5321 blocked for more than 471 seconds. ** 9 printk messages dropped ** [ 1344.884477][ T32] r5:842b0c00 r4:8291a680 ** 3 printk messages dropped ** [ 1344.884775][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1344.885114][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1344.885290][ T32] r5:856cc78c r4:856cc400 ** 2 printk messages dropped ** [ 1344.885403][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.885455][ T32] r10:61c88647 r9:842b0c00 r8:856b2a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.885499][ T32] r4:856b2a00 [ 1344.885545][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.885617][ T32] r10:00000000 r9:856b2a00 r8:80287e08 r7:eb9b5e60 r6:85692b00 r5:842b0c00 [ 1344.885643][ T32] r4:00000001 [ 1344.885685][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.885725][ T32] Exception stack(0xeb9d9fb0 to 0xeb9d9ff8) [ 1344.885775][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1344.885876][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.885939][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.885993][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.886019][ T32] r4:856ac080 [ 1344.886253][ T32] INFO: task kworker/1:906:5321 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.886290][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.886394][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.886468][ T32] Call trace: [ 1344.886557][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.886643][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.886713][ T32] r4:00000000 [ 1344.886738][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.886789][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.886832][ T32] dd20: b96b2000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.886869][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.886899][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.886924][ T32] r5:800d0013 r4:80239bb0 [ 1344.886944][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.886986][ T32] r4:82ac21e4 [ 1344.887006][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.887049][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.887112][ T32] r4:e044ddc0 [ 1344.887138][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.887182][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.887215][ T32] r4:00000000 [ 1344.887257][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.887308][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.887330][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.887372][ T32] r5:00001000 r4:ed353000 [ 1344.887401][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.887442][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.887486][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.887507][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.887554][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.887576][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.887624][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.887669][ T32] r4:84ab5800 [ 1344.887714][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.887766][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.887789][ T32] r4:00000001 [ 1344.887809][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.887844][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.887894][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.887927][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.887955][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.887983][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.888007][ T32] r4:84ab0640 [ 1344.888047][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.888077][ T32] INFO: task kworker/1:907:5323 blocked for more than 471 seconds. [ 1344.888117][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.888144][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.888165][ T32] task:kworker/1:907 state:D stack:0 pid:5323 tgid:5323 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1344.888368][ T32] r10:8291a684 r9:eb4c5d84 r8:00000002 r7:60000013 r6:eb4c5d8c r5:842b1800 ** 8 printk messages dropped ** [ 1344.888727][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1344.888980][ T32] r5:00001000 r4:dfad3000 ** 2 printk messages dropped ** [ 1344.889130][ T32] r5:856ccb8c r4:856cc800 [ 1344.889152][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1344.912169][ T32] r10:61c88647 r9:842b1800 r8:856b2aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1344.912793][ T32] r4:856ac1c0 ** 2 printk messages dropped ** [ 1344.913438][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1344.913817][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1344.914114][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1344.914403][ T32] r5:00001000 r4:ed353000 ** 2 printk messages dropped ** [ 1344.914532][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.914557][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.914617][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.914648][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.914702][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.914749][ T32] r4:84ab5800 [ 1344.914794][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.914847][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.914871][ T32] r4:00000001 [ 1344.914910][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.914952][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.914978][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.915007][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.915033][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.915069][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.915121][ T32] r4:84ab0640 [ 1344.915185][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.915221][ T32] INFO: task kworker/1:908:5324 blocked for more than 471 seconds. [ 1344.915257][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.915303][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.915357][ T32] task:kworker/1:908 state:D stack:0 pid:5324 tgid:5324 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.915414][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.915460][ T32] Call trace: [ 1344.915491][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.915540][ T32] r10:8291a684 r9:eb655d84 r8:00000002 r7:60000113 r6:eb655d8c r5:842b2400 [ 1344.915563][ T32] r4:842b2400 [ 1344.915599][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.915666][ T32] r5:842b2400 r4:8291a680 [ 1344.915708][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.915786][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.915838][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb655e08 [ 1344.915863][ T32] r4:00000000 [ 1344.915882][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.915918][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.915957][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.916000][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856ac5c0 [ 1344.916022][ T32] r4:00000000 [ 1344.916042][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.916097][ T32] r9:83018205 r8:842b2400 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 [ 1344.916169][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.916254][ T32] r5:00001000 r4:dfebb000 [ 1344.916279][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.916340][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.916393][ T32] r5:856ccf8c r4:856ccc00 [ 1344.916415][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.916463][ T32] r7:ddde2d80 r6:83018200 r5:856ccf8c r4:856b2b00 [ 1344.916484][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.916577][ T32] r10:61c88647 r9:842b2400 r8:856b2b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.916602][ T32] r4:856b2b00 [ 1344.916622][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.916674][ T32] r10:00000000 r9:856b2b00 r8:80287e08 r7:eb4c5e60 r6:85692c00 r5:842b2400 [ 1344.916697][ T32] r4:00000001 [ 1344.916717][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.916765][ T32] Exception stack(0xeb655fb0 to 0xeb655ff8) [ 1344.916797][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1344.916826][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.916876][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.916931][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.916978][ T32] r4:856ac040 [ 1344.917228][ T32] INFO: task kworker/1:908:5324 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.917271][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1344.917649][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 4 printk messages dropped ** [ 1344.917885][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1344.918447][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1344.918661][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1344.918894][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1344.919274][ T32] INFO: task kworker/1:909:5327 blocked for more than 471 seconds. ** 9 printk messages dropped ** [ 1344.940261][ T32] r5:842b3000 r4:8291a680 ** 5 printk messages dropped ** [ 1344.940486][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1344.940901][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1344.941036][ T32] r7:ddde2d80 r6:83018200 r5:856cd38c r4:856b2b80 ** 4 printk messages dropped ** [ 1344.941266][ T32] r10:00000000 r9:856b2b80 r8:80287e08 r7:eb655e60 r6:85692c80 r5:842b3000 ** 9 printk messages dropped ** [ 1344.942084][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1344.942519][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.942550][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.942594][ T32] r5:800d0013 r4:80239bb0 [ 1344.942619][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.942683][ T32] r4:82ac21e4 [ 1344.942708][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.942770][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.942797][ T32] r4:e044ddc0 [ 1344.942817][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.942898][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.942925][ T32] r4:00000000 [ 1344.942945][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.942992][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.943023][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.943084][ T32] r5:00001000 r4:ed353000 [ 1344.943109][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.943160][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.943207][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.943229][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.943276][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.943297][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.943344][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.943366][ T32] r4:84ab5800 [ 1344.943469][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.943520][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.943563][ T32] r4:00000001 [ 1344.943586][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.943627][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.943654][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.943684][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.943733][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.943767][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.943792][ T32] r4:84ab0640 [ 1344.943813][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.943841][ T32] INFO: task kworker/1:910:5329 blocked for more than 471 seconds. [ 1344.943879][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.943926][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.943952][ T32] task:kworker/1:910 state:D stack:0 pid:5329 tgid:5329 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.944047][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.944141][ T32] Call trace: [ 1344.944195][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.944247][ T32] r10:8291a684 r9:eb685d84 r8:00000002 r7:60000113 r6:eb685d8c r5:842b3c00 [ 1344.944311][ T32] r4:842b3c00 [ 1344.944348][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.944402][ T32] r5:842b3c00 r4:8291a680 [ 1344.944444][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.944486][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.944576][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb685e08 [ 1344.944601][ T32] r4:00000000 [ 1344.944651][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.944702][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.944742][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.944783][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856ac880 [ 1344.944807][ T32] r4:00000000 [ 1344.944827][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.944872][ T32] r9:83018205 r8:842b3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f02f000 [ 1344.944912][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.944959][ T32] r5:00001000 r4:e8761000 [ 1344.944998][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.945044][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.945091][ T32] r5:856cd78c r4:856cd400 [ 1344.945130][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.945183][ T32] r7:ddde2d80 r6:83018200 r5:856cd78c r4:856b2c00 [ 1344.945205][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.945253][ T32] r10:61c88647 r9:842b3c00 r8:856b2c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.945275][ T32] r4:856b2c00 [ 1344.945294][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.945350][ T32] r10:00000000 r9:856b2c00 r8:80287e08 r7:eb665e60 r6:85692d00 r5:842b3c00 [ 1344.945377][ T32] r4:00000001 [ 1344.945402][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.945439][ T32] Exception stack(0xeb685fb0 to 0xeb685ff8) [ 1344.945464][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1344.945493][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.945519][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.945547][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.945569][ T32] r4:856ac580 [ 1344.945842][ T32] INFO: task kworker/1:910:5329 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.945885][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1344.946207][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 4 printk messages dropped ** [ 1344.946411][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 12 printk messages dropped ** [ 1344.946973][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1344.947318][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1344.947527][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1344.947832][ T32] Call trace: ** 4 printk messages dropped ** [ 1344.948014][ T32] r5:842b4800 r4:8291a680 ** 3 printk messages dropped ** [ 1344.948135][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1344.948309][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1344.948595][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.948652][ T32] r5:856cdb8c r4:856cd800 [ 1344.948674][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.948722][ T32] r7:ddde2d80 r6:83018200 r5:856cdb8c r4:856b2c80 [ 1344.948744][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.948792][ T32] r10:61c88647 r9:842b4800 r8:856b2cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.948815][ T32] r4:856b2c80 [ 1344.948835][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.948881][ T32] r10:00000000 r9:856b2c80 r8:80287e08 r7:eb685e60 r6:85692d80 r5:842b4800 [ 1344.948905][ T32] r4:00000001 [ 1344.948925][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.948974][ T32] Exception stack(0xeb69dfb0 to 0xeb69dff8) [ 1344.949005][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.949046][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.949077][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.949108][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.949131][ T32] r4:856ac480 [ 1344.982838][ T32] INFO: task kworker/1:911:5331 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1344.982994][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.983097][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.983205][ T32] Call trace: [ 1344.983267][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1344.983378][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1344.983415][ T32] r4:00000000 [ 1344.983439][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.983494][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1344.983529][ T32] dd20: ba74b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1344.983595][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1344.983632][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1344.983661][ T32] r5:800d0013 r4:80239bb0 [ 1344.983685][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.983773][ T32] r4:82ac21e4 [ 1344.983808][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.983876][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1344.983910][ T32] r4:e044ddc0 [ 1344.983932][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.984016][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1344.984052][ T32] r4:00000000 [ 1344.984074][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.984125][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1344.984172][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.984227][ T32] r5:00001000 r4:ed353000 [ 1344.984249][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1344.984291][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.984355][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.984390][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.984469][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.984497][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.984599][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.984624][ T32] r4:84ab5800 [ 1344.984649][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.984728][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.984756][ T32] r4:00000001 [ 1344.984777][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.984838][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.984872][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.984901][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.984928][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.984980][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.985009][ T32] r4:84ab0640 [ 1344.985033][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.985065][ T32] INFO: task kworker/1:912:5333 blocked for more than 471 seconds. [ 1344.985116][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.985155][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.985194][ T32] task:kworker/1:912 state:D stack:0 pid:5333 tgid:5333 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.985309][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1344.985547][ T32] r4:842b6000 ** 4 printk messages dropped ** [ 1344.985815][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6d1e08 ** 5 printk messages dropped ** [ 1344.986109][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1344.986476][ T32] r5:856cdf8c r4:856cdc00 [ 1344.986526][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.986593][ T32] r7:ddde2d80 r6:83018200 r5:856cdf8c r4:856b2d00 ** 2 printk messages dropped ** [ 1344.986695][ T32] r4:856b2d00 ** 6 printk messages dropped ** [ 1344.986968][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1344.987823][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 11 printk messages dropped ** [ 1344.988401][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1344.988986][ T32] r5:85c0ff8c r4:85c0fc00 [ 1344.989007][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1344.989058][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1344.989082][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1344.989133][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.989186][ T32] r4:84ab5800 [ 1344.989211][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1344.989262][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1344.989286][ T32] r4:00000001 [ 1344.989376][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.997394][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1344.997467][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.997507][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.997539][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.997575][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1344.997600][ T32] r4:84ab0640 [ 1344.997627][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.997682][ T32] INFO: task kworker/1:913:5335 blocked for more than 471 seconds. [ 1344.997723][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1344.997750][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.997775][ T32] task:kworker/1:913 state:D stack:0 pid:5335 tgid:5335 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.997890][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.997965][ T32] Call trace: [ 1344.998004][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1344.998066][ T32] r10:8291a684 r9:eb809d84 r8:00000002 r7:60000113 r6:eb809d8c r5:842b5400 [ 1344.998091][ T32] r4:842b5400 [ 1344.998113][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1344.998201][ T32] r5:842b5400 r4:8291a680 [ 1344.998230][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.998274][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.998354][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb809e08 [ 1344.998388][ T32] r4:00000000 [ 1344.998411][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1344.998449][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1344.998492][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1344.998536][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856ac980 [ 1344.998560][ T32] r4:00000000 [ 1344.998581][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1344.998670][ T32] r9:83018205 r8:842b5400 r7:00000000 r6:83018200 r5:00001000 r4:7f035000 [ 1344.998725][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1344.998779][ T32] r5:00001000 r4:eaccf000 ** 2 printk messages dropped ** [ 1344.998892][ T32] r5:856ce38c r4:856ce000 [ 1344.998915][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1344.999075][ T32] r10:61c88647 r9:842b5400 r8:856b2dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1345.004751][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1345.005445][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1345.005858][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1345.006073][ T32] r4:82ac21e4 ** 3 printk messages dropped ** [ 1345.006230][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 9 printk messages dropped ** [ 1345.006699][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1345.007077][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 3 printk messages dropped ** [ 1345.007230][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1345.007551][ T32] Call trace: ** 4 printk messages dropped ** [ 1345.007857][ T32] r5:85670c00 r4:8291a680 ** 5 printk messages dropped ** [ 1345.008139][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1345.008497][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1345.008710][ T32] r7:ddde2d80 r6:83018200 r5:856cf78c r4:856b2e00 ** 4 printk messages dropped ** [ 1345.008881][ T32] r10:00000000 r9:856b2e00 r8:80287e08 r7:eb809e60 r6:85692f00 r5:85670c00 ** 9 printk messages dropped ** [ 1345.025715][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1345.026210][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.026242][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.026270][ T32] r5:800d0013 r4:80239bb0 [ 1345.026320][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.026373][ T32] r4:82ac21e4 [ 1345.026403][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.026451][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.026477][ T32] r4:e044ddc0 [ 1345.026522][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.026572][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.026619][ T32] r4:00000000 [ 1345.026668][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.026725][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.026773][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.026826][ T32] r5:00001000 r4:ed353000 [ 1345.026872][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.026921][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.026969][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.026994][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.027045][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.027093][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.027151][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.027207][ T32] r4:84ab5800 [ 1345.027234][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.027286][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.027310][ T32] r4:00000001 [ 1345.027332][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.027370][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.027409][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.027440][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.027480][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.027523][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.027548][ T32] r4:84ab0640 [ 1345.027574][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.027605][ T32] INFO: task kworker/1:915:5338 blocked for more than 471 seconds. [ 1345.027642][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.027681][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.027734][ T32] task:kworker/1:915 state:D stack:0 pid:5338 tgid:5338 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.027789][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.027834][ T32] Call trace: [ 1345.027916][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.028001][ T32] r10:8291a684 r9:eb839d84 r8:00000002 r7:60000113 r6:eb839d8c r5:85671800 [ 1345.028032][ T32] r4:85671800 [ 1345.028055][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.028129][ T32] r5:85671800 r4:8291a680 [ 1345.028156][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.028200][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.028272][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb839e08 [ 1345.028300][ T32] r4:00000000 [ 1345.028332][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.028374][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.028418][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.028485][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856acd40 [ 1345.028591][ T32] r4:00000000 [ 1345.028647][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.028704][ T32] r9:83018205 r8:85671800 r7:00000000 r6:83018200 r5:00001000 r4:7f037000 [ 1345.028729][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.028776][ T32] r5:00001000 r4:eae99000 [ 1345.028820][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.028892][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.028966][ T32] r5:856ce78c r4:856ce400 [ 1345.028992][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.029068][ T32] r7:ddde2d80 r6:83018200 r5:856ce78c r4:856b2e80 [ 1345.029095][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.029190][ T32] r10:61c88647 r9:85671800 r8:856b2eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.029279][ T32] r4:856b2e80 [ 1345.037165][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.037290][ T32] r10:00000000 r9:856b2e80 r8:80287e08 r7:eb829e60 r6:85692f80 r5:85671800 [ 1345.037350][ T32] r4:00000001 [ 1345.037390][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.037437][ T32] Exception stack(0xeb839fb0 to 0xeb839ff8) [ 1345.037516][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.037569][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.037606][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.037655][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.037685][ T32] r4:856acac0 [ 1345.038126][ T32] INFO: task kworker/1:915:5338 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.038191][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.038329][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.038392][ T32] Call trace: [ 1345.038430][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.038488][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.038513][ T32] r4:00000000 [ 1345.038534][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.038576][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.038628][ T32] dd20: bacfd000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.038674][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.038707][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.038734][ T32] r5:800d0013 r4:80239bb0 [ 1345.038758][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.038804][ T32] r4:82ac21e4 [ 1345.038826][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.038894][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.038924][ T32] r4:e044ddc0 [ 1345.038969][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.039019][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.039066][ T32] r4:00000000 [ 1345.039115][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.039172][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.039197][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.052793][ T32] r5:00001000 r4:ed353000 [ 1345.052926][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.053027][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.053105][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.053154][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.053234][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.053262][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.053315][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.053362][ T32] r4:84ab5800 [ 1345.053404][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.053460][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.053485][ T32] r4:00000001 [ 1345.053507][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.053547][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.053601][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.053642][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.053671][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.053724][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.053754][ T32] r4:84ab0640 [ 1345.053780][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.053836][ T32] INFO: task kworker/1:916:5340 blocked for more than 471 seconds. ** 6 printk messages dropped ** [ 1345.054290][ T32] r10:8291a684 r9:eb851d84 r8:00000002 r7:60000113 r6:eb851d8c r5:85673000 ** 8 printk messages dropped ** [ 1345.054645][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1345.055091][ T32] r5:856ceb8c r4:856ce800 [ 1345.055112][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1345.055230][ T32] r10:61c88647 r9:85673000 r8:856b2f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1345.055549][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1345.056117][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1345.056455][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.056528][ T32] dd20: bb153000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 7 printk messages dropped ** [ 1345.056953][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1345.057221][ T32] r5:00001000 r4:ed353000 ** 2 printk messages dropped ** [ 1345.057369][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.057424][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.057490][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.057517][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.057589][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.057629][ T32] r4:84ab5800 [ 1345.057675][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.057730][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.057755][ T32] r4:00000001 [ 1345.057775][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.057852][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.057885][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.057916][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.057943][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.057986][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.058035][ T32] r4:84ab0640 [ 1345.058061][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.058109][ T32] INFO: task kworker/1:917:5342 blocked for more than 471 seconds. [ 1345.058143][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.058169][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.058191][ T32] task:kworker/1:917 state:D stack:0 pid:5342 tgid:5342 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.058239][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.058282][ T32] Call trace: [ 1345.058347][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.058405][ T32] r10:8291a684 r9:eb869d84 r8:00000002 r7:60000113 r6:eb869d8c r5:85673c00 [ 1345.058429][ T32] r4:85673c00 [ 1345.058451][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.058511][ T32] r5:85673c00 r4:8291a680 [ 1345.058537][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.058578][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.058622][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb869e08 [ 1345.058645][ T32] r4:00000000 [ 1345.058666][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.058723][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.058764][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.058848][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856ac7c0 [ 1345.058898][ T32] r4:00000000 [ 1345.058923][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.058992][ T32] r9:83018205 r8:85673c00 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 [ 1345.059020][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.059089][ T32] r5:00001000 r4:eaf71000 [ 1345.059114][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.059156][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.059234][ T32] r5:856cef8c r4:856cec00 [ 1345.072649][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.072757][ T32] r7:ddde2d80 r6:83018200 r5:856cef8c r4:856b2f80 [ 1345.072782][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.072855][ T32] r10:61c88647 r9:85673c00 r8:856b2fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.072905][ T32] r4:856b2f80 [ 1345.072957][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.073017][ T32] r10:00000000 r9:856b2f80 r8:80287e08 r7:eb829e60 r6:856c3080 r5:85673c00 [ 1345.073044][ T32] r4:00000001 [ 1345.073064][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.073102][ T32] Exception stack(0xeb869fb0 to 0xeb869ff8) [ 1345.073133][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.073183][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.073215][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.073246][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.073269][ T32] r4:856acd80 [ 1345.073692][ T32] INFO: task kworker/1:917:5342 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.073730][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.073799][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.073896][ T32] Call trace: [ 1345.073975][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.074046][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.074102][ T32] r4:00000000 [ 1345.074148][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.074218][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.074261][ T32] dd20: bb253000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.074295][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.074321][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.074346][ T32] r5:800d0013 r4:80239bb0 [ 1345.074385][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 3 printk messages dropped ** [ 1345.074601][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1345.074813][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1345.075298][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1345.075400][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1345.075566][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1345.075974][ T32] Call trace: [ 1345.076036][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.076099][ T32] r10:8291a684 r9:eb885d84 r8:00000002 r7:60000113 r6:eb885d8c r5:85674800 [ 1345.076128][ T32] r4:85674800 [ 1345.076171][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.076239][ T32] r5:85674800 r4:8291a680 [ 1345.076301][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.076346][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.076395][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb885e08 [ 1345.076419][ T32] r4:00000000 [ 1345.076438][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.076495][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.076575][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.076648][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856b6f80 [ 1345.076676][ T32] r4:00000000 [ 1345.076709][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.076771][ T32] r9:83018205 r8:85674800 r7:00000000 r6:83018200 r5:00001000 r4:7f03d000 [ 1345.076797][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.076845][ T32] r5:00001000 r4:eb095000 [ 1345.076865][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.076906][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.076948][ T32] r5:856cf38c r4:856cf000 [ 1345.076969][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.077016][ T32] r7:ddde2d80 r6:83018200 r5:856cf38c r4:856c2000 [ 1345.077039][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.077109][ T32] r10:61c88647 r9:85674800 r8:856c202c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.077138][ T32] r4:856c2000 [ 1345.077177][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.077249][ T32] r10:00000000 r9:856c2000 r8:80287e08 r7:eb829e60 r6:856c3100 r5:85674800 [ 1345.077277][ T32] r4:00000001 [ 1345.077321][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.077362][ T32] Exception stack(0xeb885fb0 to 0xeb885ff8) [ 1345.077398][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.077448][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.077483][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.077535][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.077587][ T32] r4:856acd80 [ 1345.077833][ T32] INFO: task kworker/1:918:5344 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 3 printk messages dropped ** [ 1345.078072][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 11 printk messages dropped ** [ 1345.078641][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 11 printk messages dropped ** [ 1345.079213][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1345.098987][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1345.099224][ T32] INFO: task kworker/1:919:5347 blocked for more than 471 seconds. ** 9 printk messages dropped ** [ 1345.100166][ T32] r5:85672400 r4:8291a680 ** 2 printk messages dropped ** [ 1345.100335][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9e1e08 ** 5 printk messages dropped ** [ 1345.100586][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1345.100882][ T32] r5:856d038c r4:856d0000 [ 1345.100921][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1345.101074][ T32] r4:856c2080 ** 5 printk messages dropped ** [ 1345.101253][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1345.102234][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 8 printk messages dropped ** [ 1345.102571][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1345.102943][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1345.103356][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1345.103565][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.103613][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.103648][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.103676][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.103707][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.103730][ T32] r4:84ab0640 [ 1345.103788][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.103833][ T32] INFO: task kworker/1:920:5348 blocked for more than 471 seconds. [ 1345.103889][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.103944][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.104000][ T32] task:kworker/1:920 state:D stack:0 pid:5348 tgid:5348 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.104054][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.104135][ T32] Call trace: [ 1345.104168][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.104217][ T32] r10:8291a684 r9:eb9e5d84 r8:00000002 r7:60000013 r6:eb9e5d8c r5:85676000 [ 1345.104242][ T32] r4:85676000 [ 1345.104289][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.104338][ T32] r5:85676000 r4:8291a680 [ 1345.104360][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.104406][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.104481][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9e5e08 [ 1345.104532][ T32] r4:00000000 [ 1345.104555][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.104592][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.104627][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.104670][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85703340 [ 1345.104693][ T32] r4:00000000 [ 1345.104715][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.104778][ T32] r9:83018205 r8:85676000 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 [ 1345.104827][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.104876][ T32] r5:00001000 r4:eb13b000 [ 1345.104919][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.104986][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.105035][ T32] r5:856cfb8c r4:856cf800 [ 1345.105056][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.105104][ T32] r7:ddde2d80 r6:83018200 r5:856cfb8c r4:856c2100 [ 1345.105147][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.105240][ T32] r10:61c88647 r9:85676000 r8:856c212c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.105268][ T32] r4:856c2100 [ 1345.105290][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.105338][ T32] r10:00000000 r9:856c2100 r8:80287e08 r7:eb9e1e60 r6:856c3200 r5:85676000 [ 1345.105364][ T32] r4:00000001 [ 1345.105414][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.105455][ T32] Exception stack(0xeb9e5fb0 to 0xeb9e5ff8) [ 1345.105506][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.105592][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.105624][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1345.106175][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 8 printk messages dropped ** [ 1345.106512][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1345.106985][ T32] r5:00001000 r4:ed353000 ** 6 printk messages dropped ** [ 1345.107335][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1345.107676][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1345.107959][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1345.108324][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1345.108709][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1345.109019][ T32] r5:856cff8c r4:856cfc00 [ 1345.109055][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.109130][ T32] r7:ddde2d80 r6:83018200 r5:856cff8c r4:856c2180 [ 1345.109156][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.139674][ T32] r10:61c88647 r9:85670000 r8:856c21ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.139771][ T32] r4:856c2180 [ 1345.139802][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.139888][ T32] r10:00000000 r9:856c2180 r8:80287e08 r7:eb9e1e60 r6:856c3280 r5:85670000 [ 1345.139938][ T32] r4:00000001 [ 1345.139966][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.140013][ T32] Exception stack(0xeb9e9fb0 to 0xeb9e9ff8) [ 1345.140049][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.140082][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.140113][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.140169][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.140199][ T32] r4:85703280 [ 1345.140669][ T32] INFO: task kworker/1:921:5350 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.140713][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.140802][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.140864][ T32] Call trace: [ 1345.140926][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.141009][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.141063][ T32] r4:00000000 [ 1345.141089][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.141136][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.141167][ T32] dd20: bbe8f000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.141199][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.141249][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.141282][ T32] r5:800d0013 r4:80239bb0 [ 1345.141337][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.141418][ T32] r4:82ac21e4 [ 1345.141444][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.141514][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.141545][ T32] r4:e044ddc0 [ 1345.141568][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.141614][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.141661][ T32] r4:00000000 [ 1345.141687][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.141741][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.141821][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.141924][ T32] r5:00001000 r4:ed353000 [ 1345.141953][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.142046][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.142099][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.142135][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.142191][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.142216][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.142289][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.142341][ T32] r4:84ab5800 [ 1345.142388][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.142445][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.142470][ T32] r4:00000001 [ 1345.142491][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1345.142639][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1345.142942][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1345.143183][ T32] r5:85676c00 r4:8291a680 ** 3 printk messages dropped ** [ 1345.143388][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1345.143642][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1345.143874][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.143919][ T32] r5:856d078c r4:856d0400 ** 1 printk messages dropped ** [ 1345.143989][ T32] r7:ddde2d80 r6:83018200 r5:856d078c r4:856c2200 ** 4 printk messages dropped ** [ 1345.144203][ T32] r10:00000000 r9:856c2200 r8:80287e08 r7:eb9e1e60 r6:856c3300 r5:85676c00 ** 9 printk messages dropped ** [ 1345.144804][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1345.145248][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 6 printk messages dropped ** [ 1345.145500][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1345.145690][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.145734][ T32] r5:00001000 r4:ed353000 [ 1345.145756][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.145798][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.145844][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.145866][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.145914][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.145937][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.145985][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.146010][ T32] r4:84ab5800 [ 1345.146031][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.146079][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.146103][ T32] r4:00000001 [ 1345.146123][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.146175][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.146208][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.146261][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.146302][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.146336][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.146371][ T32] r4:84ab0640 [ 1345.146405][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.146433][ T32] INFO: task kworker/1:923:5355 blocked for more than 471 seconds. [ 1345.146462][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.146500][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.146527][ T32] task:kworker/1:923 state:D stack:0 pid:5355 tgid:5355 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.146578][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.146650][ T32] Call trace: [ 1345.146720][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.146772][ T32] r10:8291a684 r9:eb9f1d84 r8:00000002 r7:60000113 r6:eb9f1d8c r5:85675400 [ 1345.146796][ T32] r4:85675400 [ 1345.146818][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.146865][ T32] r5:85675400 r4:8291a680 [ 1345.146886][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.146949][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.146999][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9f1e08 [ 1345.147024][ T32] r4:00000000 [ 1345.147058][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.147101][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.147139][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.147186][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857039c0 [ 1345.147210][ T32] r4:00000000 [ 1345.147231][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.147279][ T32] r9:83018205 r8:85675400 r7:00000000 r6:83018200 r5:00001000 r4:7f04b000 ** 1 printk messages dropped ** [ 1345.147346][ T32] r5:00001000 r4:eb5f3000 ** 2 printk messages dropped ** [ 1345.147479][ T32] r5:856d0f8c r4:856d0c00 ** 3 printk messages dropped ** [ 1345.147659][ T32] r10:61c88647 r9:85675400 r8:856c22ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1345.148058][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1345.148637][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 5 printk messages dropped ** [ 1345.148924][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.148987][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.149026][ T32] r5:800d0013 r4:80239bb0 [ 1345.149049][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.149094][ T32] r4:82ac21e4 [ 1345.149134][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.149247][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.172207][ T32] r4:e044ddc0 [ 1345.172261][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.172342][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.172413][ T32] r4:00000000 [ 1345.172448][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.172548][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.172610][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.172722][ T32] r5:00001000 r4:ed353000 [ 1345.172776][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.172828][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.172876][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.172899][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.172952][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.172997][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.173078][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1345.173183][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1345.173485][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1345.173715][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1345.174007][ T32] r5:8564e000 r4:8291a680 ** 5 printk messages dropped ** [ 1345.174229][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1345.174644][ T32] r5:856d138c r4:856d1000 [ 1345.174665][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1345.174818][ T32] r10:61c88647 r9:8564e000 r8:856c232c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1345.175284][ T32] r4:857037c0 ** 5 printk messages dropped ** [ 1345.176014][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 7 printk messages dropped ** [ 1345.176472][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1345.176941][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1345.177293][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.177322][ T32] r4:84ab5800 [ 1345.177343][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.177406][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.177431][ T32] r4:00000001 [ 1345.177473][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.177525][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.177571][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.177605][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.177636][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.177668][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.177693][ T32] r4:84ab0640 [ 1345.177714][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.177740][ T32] INFO: task kworker/1:925:5360 blocked for more than 471 seconds. [ 1345.177769][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.177793][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.177864][ T32] task:kworker/1:925 state:D stack:0 pid:5360 tgid:5360 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.177946][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.178023][ T32] Call trace: [ 1345.178084][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.178159][ T32] r10:8291a684 r9:eb6b5d84 r8:00000002 r7:60000013 r6:eb6b5d8c r5:8564ec00 [ 1345.178188][ T32] r4:8564ec00 [ 1345.178212][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.178284][ T32] r5:8564ec00 r4:8291a680 [ 1345.178343][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.178394][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.178464][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6b5e08 [ 1345.178501][ T32] r4:00000000 [ 1345.178523][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.178561][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.178598][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.178642][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85703c80 [ 1345.178665][ T32] r4:00000000 [ 1345.178688][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.178735][ T32] r9:83018205 r8:8564ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f04f000 [ 1345.178758][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.178802][ T32] r5:00001000 r4:eb699000 [ 1345.178822][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.178887][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.178961][ T32] r5:856d178c r4:856d1400 [ 1345.178986][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.179038][ T32] r7:ddde2d80 r6:83018200 r5:856d178c r4:856c2400 [ 1345.179087][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.179183][ T32] r10:61c88647 r9:8564ec00 r8:856c242c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.179259][ T32] r4:856c2400 [ 1345.202920][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.203046][ T32] r10:00000000 r9:856c2400 r8:80287e08 r7:eb9cde60 r6:856c2480 r5:8564ec00 [ 1345.203127][ T32] r4:00000001 [ 1345.203162][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.203212][ T32] Exception stack(0xeb6b5fb0 to 0xeb6b5ff8) [ 1345.203272][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.203309][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.203338][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.203386][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.203415][ T32] r4:857037c0 [ 1345.203870][ T32] INFO: task kworker/1:925:5360 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.203912][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.203991][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1345.204301][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1345.204536][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1345.204790][ T32] r4:00000000 [ 1345.204837][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.204930][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.204956][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.205006][ T32] r5:00001000 r4:ed353000 [ 1345.205029][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.205072][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.205117][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.205140][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.205196][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.205221][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.205287][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.205317][ T32] r4:84ab5800 [ 1345.205349][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.205419][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.205457][ T32] r4:00000001 [ 1345.205505][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.205549][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.205579][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.205611][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.205644][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1345.205861][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 5 printk messages dropped ** [ 1345.206218][ T32] r10:8291a684 r9:eb9f9d84 r8:00000002 r7:60000113 r6:eb9f9d8c r5:8564c800 ** 9 printk messages dropped ** [ 1345.206688][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1345.207104][ T32] r5:856d1b8c r4:856d1800 ** 3 printk messages dropped ** [ 1345.207269][ T32] r10:61c88647 r9:8564c800 r8:856c252c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1345.207675][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1345.208498][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 4 printk messages dropped ** [ 1345.208791][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.208818][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.208843][ T32] r5:800d0013 r4:80239bb0 [ 1345.208865][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.208928][ T32] r4:82ac21e4 [ 1345.208962][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.209008][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.209032][ T32] r4:e044ddc0 [ 1345.209053][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.209095][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.209120][ T32] r4:00000000 [ 1345.209146][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.209198][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.209221][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.209342][ T32] r5:00001000 r4:ed353000 [ 1345.224174][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.224295][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.224386][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.224415][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.224470][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.224529][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.224601][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.224670][ T32] r4:84ab5800 [ 1345.224699][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.224783][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.224812][ T32] r4:00000001 [ 1345.224856][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.224902][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.224957][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.224998][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.225026][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.225078][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.225127][ T32] r4:84ab0640 [ 1345.225155][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.225218][ T32] INFO: task kworker/1:927:5364 blocked for more than 471 seconds. [ 1345.225259][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.225298][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.225332][ T32] task:kworker/1:927 state:D stack:0 pid:5364 tgid:5364 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 1 printk messages dropped ** [ 1345.225450][ T32] Call trace: ** 4 printk messages dropped ** [ 1345.225662][ T32] r5:85650000 r4:8291a680 ** 4 printk messages dropped ** [ 1345.225947][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 9 printk messages dropped ** [ 1345.226453][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.226498][ T32] r5:856d238c r4:856d2000 [ 1345.226518][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1345.226736][ T32] r10:61c88647 r9:85650000 r8:856c262c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1345.227078][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1345.227801][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 6 printk messages dropped ** [ 1345.228151][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 8 printk messages dropped ** [ 1345.228572][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1345.228849][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1345.229192][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1345.242808][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1345.243201][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1345.243647][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1345.244069][ T32] r9:83018205 r8:85651800 r7:00000000 r6:83018200 r5:00001000 r4:7f055000 ** 4 printk messages dropped ** [ 1345.244267][ T32] r5:856d1f8c r4:856d1c00 ** 3 printk messages dropped ** [ 1345.244459][ T32] r10:61c88647 r9:85651800 r8:856c272c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.244483][ T32] r4:856c2700 [ 1345.244610][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.244667][ T32] r10:00000000 r9:856c2700 r8:80287e08 r7:eb9f5e60 r6:856c2780 r5:85651800 [ 1345.244692][ T32] r4:00000001 [ 1345.244738][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.244783][ T32] Exception stack(0xeba01fb0 to 0xeba01ff8) [ 1345.244869][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.244909][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.244973][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.245041][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.245081][ T32] r4:85703d00 [ 1345.245562][ T32] INFO: task kworker/1:928:5366 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.245611][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.245782][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.245834][ T32] Call trace: [ 1345.245878][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.245970][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.246014][ T32] r4:00000000 [ 1345.246066][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.246132][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.246177][ T32] dd20: bce2c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.246251][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.246309][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.246346][ T32] r5:800d0013 r4:80239bb0 [ 1345.246369][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.246423][ T32] r4:82ac21e4 [ 1345.246445][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.246491][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.246515][ T32] r4:e044ddc0 [ 1345.246551][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.246642][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.246671][ T32] r4:00000000 [ 1345.246714][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.246777][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.246806][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.246885][ T32] r5:00001000 r4:ed353000 [ 1345.246911][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.246976][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.247026][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.247070][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.247130][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1345.247314][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 16 printk messages dropped ** [ 1345.248039][ T32] r10:8291a684 r9:eb9ddd84 r8:00000002 r7:60000113 r6:eb9ddd8c r5:85678000 ** 10 printk messages dropped ** [ 1345.248439][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85712c40 ** 9 printk messages dropped ** [ 1345.248927][ T32] r7:dddced80 r6:83018000 r5:855d2f8c r4:856c3400 ** 10 printk messages dropped ** [ 1345.272894][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 13 printk messages dropped ** [ 1345.273994][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 10 printk messages dropped ** [ 1345.274403][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.274432][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.274504][ T32] r5:00001000 r4:ed353000 [ 1345.274530][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.274575][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.274620][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.274642][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.274696][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.274719][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.274769][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.274792][ T32] r4:84ab5800 [ 1345.274835][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.274892][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.274917][ T32] r4:00000001 [ 1345.274937][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.274974][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.275003][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.275054][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.275092][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.275124][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.275159][ T32] r4:84ab0640 [ 1345.275186][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.275241][ T32] INFO: task kworker/1:929:5370 blocked for more than 471 seconds. [ 1345.275281][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.275339][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.275366][ T32] task:kworker/1:929 state:D stack:0 pid:5370 tgid:5370 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.275458][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.275536][ T32] Call trace: [ 1345.275603][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.275659][ T32] r10:8291a684 r9:eba09d84 r8:00000002 r7:60000013 r6:eba09d8c r5:8567a400 [ 1345.275685][ T32] r4:8567a400 [ 1345.275714][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.275812][ T32] r5:8567a400 r4:8291a680 [ 1345.275838][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.275909][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.276002][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba09e08 ** 2 printk messages dropped ** [ 1345.276195][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1345.276771][ T32] r5:856d278c r4:856d2400 [ 1345.276794][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.276845][ T32] r7:ddde2d80 r6:83018200 r5:856d278c r4:856c2800 ** 1 printk messages dropped ** [ 1345.276916][ T32] r10:61c88647 r9:8567a400 r8:856c282c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1345.277254][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1345.277891][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 6 printk messages dropped ** [ 1345.278188][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 8 printk messages dropped ** [ 1345.278597][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1345.278984][ T32] r5:85c0ff8c r4:85c0fc00 ** 4 printk messages dropped ** [ 1345.279245][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1345.287252][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1345.287489][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1345.287943][ T32] Call trace: ** 4 printk messages dropped ** [ 1345.288270][ T32] r5:85679800 r4:8291a680 [ 1345.288320][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.288367][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.288424][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba11e08 [ 1345.288449][ T32] r4:00000000 [ 1345.288469][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.288553][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.288602][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.288674][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85709000 [ 1345.288726][ T32] r4:00000000 [ 1345.288752][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.288804][ T32] r9:83018205 r8:85679800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a9000 [ 1345.288829][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.288875][ T32] r5:00001000 r4:eba7b000 [ 1345.288923][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.288994][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.289045][ T32] r5:856d4b8c r4:856d4800 [ 1345.289068][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.289119][ T32] r7:ddde2d80 r6:83018200 r5:856d4b8c r4:856c2880 [ 1345.289142][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.289192][ T32] r10:61c88647 r9:85679800 r8:856c28ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.302535][ T32] r4:856c2880 [ 1345.302609][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.302682][ T32] r10:00000000 r9:856c2880 r8:80287e08 r7:eba09e60 r6:856c3580 r5:85679800 [ 1345.302728][ T32] r4:00000001 [ 1345.302755][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.302821][ T32] Exception stack(0xeba11fb0 to 0xeba11ff8) [ 1345.302858][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.302923][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.302954][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.302986][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.303030][ T32] r4:857090c0 [ 1345.303463][ T32] INFO: task kworker/1:930:5372 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.303547][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.303641][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.303714][ T32] Call trace: [ 1345.303753][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.303808][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.303832][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1345.303932][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1345.304132][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1345.304296][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 10 printk messages dropped ** [ 1345.304794][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 14 printk messages dropped ** [ 1345.305364][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 10 printk messages dropped ** [ 1345.305894][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 13 printk messages dropped ** [ 1345.306640][ T32] r5:856d2b8c r4:856d2800 ** 4 printk messages dropped ** [ 1345.306844][ T32] r4:856c2900 ** 11 printk messages dropped ** [ 1345.307481][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 22 printk messages dropped ** [ 1345.308618][ T32] r5:00001000 r4:ed353000 ** 8 printk messages dropped ** [ 1345.309075][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1345.330169][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1345.330553][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1345.330894][ T32] r5:8567b000 r4:8291a680 ** 4 printk messages dropped ** [ 1345.331308][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.331356][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.331404][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.331457][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85709680 [ 1345.331487][ T32] r4:00000000 [ 1345.331513][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.331580][ T32] r9:83018205 r8:8567b000 r7:00000000 r6:83018200 r5:00001000 r4:7f05d000 [ 1345.331609][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.331664][ T32] r5:00001000 r4:eb891000 [ 1345.331691][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.331742][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.331797][ T32] r5:856d2f8c r4:856d2c00 [ 1345.331825][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.331903][ T32] r7:ddde2d80 r6:83018200 r5:856d2f8c r4:856c2980 [ 1345.331950][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.332007][ T32] r10:61c88647 r9:8567b000 r8:856c29ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.332085][ T32] r4:856c2980 [ 1345.332112][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.332165][ T32] r10:00000000 r9:856c2980 r8:80287e08 r7:eba11e60 r6:856c3680 r5:8567b000 [ 1345.332189][ T32] r4:00000001 [ 1345.332237][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.332338][ T32] Exception stack(0xeba1dfb0 to 0xeba1dff8) [ 1345.332373][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.332406][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.332437][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.332469][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.332493][ T32] r4:857095c0 [ 1345.333014][ T32] INFO: task kworker/1:932:5375 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.333100][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.333181][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.333264][ T32] Call trace: [ 1345.333299][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.333355][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.333531][ T32] r4:00000000 [ 1345.333558][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.333611][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.333759][ T32] dd20: bda51000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.333799][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.333829][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.333856][ T32] r5:800d0013 r4:80239bb0 [ 1345.333882][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.333948][ T32] r4:82ac21e4 [ 1345.334004][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.334055][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.334079][ T32] r4:e044ddc0 [ 1345.334100][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.334172][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.334201][ T32] r4:00000000 [ 1345.334228][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.334333][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.334378][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.334431][ T32] r5:00001000 r4:ed353000 [ 1345.334454][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.334538][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.334597][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.334650][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.334729][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.334757][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.334836][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.334891][ T32] r4:84ab5800 [ 1345.334916][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.334988][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.335018][ T32] r4:00000001 [ 1345.335098][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.335141][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.335169][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.335199][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.335240][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.335275][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 10 printk messages dropped ** [ 1345.335841][ T32] r4:8567e000 ** 4 printk messages dropped ** [ 1345.336016][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba25e08 ** 6 printk messages dropped ** [ 1345.336360][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1345.336706][ T32] r5:856d338c r4:856d3000 [ 1345.336756][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1345.336934][ T32] r10:61c88647 r9:8567e000 r8:856c2a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1345.337305][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1345.337961][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1345.338491][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1345.338615][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1345.338869][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 10 printk messages dropped ** [ 1345.363251][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1345.363589][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1345.364216][ T32] task:kworker/1:934 state:D stack:0 pid:5380 tgid:5380 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.364351][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.364470][ T32] Call trace: [ 1345.364623][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.364743][ T32] r10:8291a684 r9:eba41d84 r8:00000002 r7:60000013 r6:eba41d8c r5:8567d400 [ 1345.364788][ T32] r4:8567d400 [ 1345.364829][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.364901][ T32] r5:8567d400 r4:8291a680 [ 1345.364934][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.365019][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.365092][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba41e08 [ 1345.365129][ T32] r4:00000000 [ 1345.365161][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.365217][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.365300][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.365378][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85709940 [ 1345.365437][ T32] r4:00000000 [ 1345.365495][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.365578][ T32] r9:83018205 r8:8567d400 r7:00000000 r6:83018200 r5:00001000 r4:7f061000 [ 1345.365673][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.365781][ T32] r5:00001000 r4:eba33000 [ 1345.365817][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.365879][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.365927][ T32] r5:856d378c r4:856d3400 [ 1345.365950][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.366059][ T32] r7:ddde2d80 r6:83018200 r5:856d378c r4:856c2a80 [ 1345.366090][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.366188][ T32] r10:61c88647 r9:8567d400 r8:856c2aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.366239][ T32] r4:856c2a80 [ 1345.366299][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.366363][ T32] r10:00000000 r9:856c2a80 r8:80287e08 r7:eba11e60 r6:856c3780 r5:8567d400 [ 1345.366434][ T32] r4:00000001 [ 1345.366489][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.366553][ T32] Exception stack(0xeba41fb0 to 0xeba41ff8) [ 1345.366611][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.366648][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.366678][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.366734][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.366770][ T32] r4:85709600 [ 1345.367277][ T32] INFO: task kworker/1:934:5380 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.367343][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.367473][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.367529][ T32] Call trace: [ 1345.367622][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.367685][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.367711][ T32] r4:00000000 [ 1345.367732][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.367776][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.367807][ T32] dd20: bdd67000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.367838][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.367865][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.367907][ T32] r5:800d0013 r4:80239bb0 [ 1345.367934][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.367981][ T32] r4:82ac21e4 [ 1345.368004][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.368051][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.368077][ T32] r4:e044ddc0 [ 1345.368121][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.368172][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.368197][ T32] r4:00000000 [ 1345.368240][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.368317][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.368345][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.368401][ T32] r5:00001000 r4:ed353000 [ 1345.368442][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.368492][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.368605][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.368634][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.368713][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.368742][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.368795][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.368851][ T32] r4:84ab5800 [ 1345.368878][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.368954][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 2 printk messages dropped ** [ 1345.369068][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 10 printk messages dropped ** [ 1345.381946][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.382017][ T32] Call trace: [ 1345.382080][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.382152][ T32] r10:8291a684 r9:eba4dd84 r8:00000002 r7:60000013 r6:eba4dd8c r5:8567bc00 [ 1345.382191][ T32] r4:8567bc00 [ 1345.382228][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.382311][ T32] r5:8567bc00 r4:8291a680 [ 1345.382340][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.382397][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.382469][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba4de08 [ 1345.382499][ T32] r4:00000000 [ 1345.382521][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.382605][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.382654][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.382701][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85709ac0 [ 1345.382726][ T32] r4:00000000 [ 1345.382747][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.382802][ T32] r9:83018205 r8:8567bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f063000 [ 1345.382842][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.382898][ T32] r5:00001000 r4:eba43000 [ 1345.382946][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.383020][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.383074][ T32] r5:856d3b8c r4:856d3800 [ 1345.383099][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.383153][ T32] r7:ddde2d80 r6:83018200 r5:856d3b8c r4:856c2b00 [ 1345.383200][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.383258][ T32] r10:61c88647 r9:8567bc00 r8:856c2b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.383284][ T32] r4:856c2b00 [ 1345.383306][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.383399][ T32] r10:00000000 r9:856c2b00 r8:80287e08 r7:eba11e60 r6:856c3800 r5:8567bc00 [ 1345.383429][ T32] r4:00000001 [ 1345.383475][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.383522][ T32] Exception stack(0xeba4dfb0 to 0xeba4dff8) [ 1345.383555][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.383587][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1345.384666][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 11 printk messages dropped ** [ 1345.385179][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1345.385547][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1345.385931][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1345.386093][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1345.386568][ T32] Call trace: ** 4 printk messages dropped ** [ 1345.386845][ T32] r5:8567ec00 r4:8291a680 ** 5 printk messages dropped ** [ 1345.387075][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1345.387548][ T32] r5:856d3f8c r4:856d3c00 [ 1345.387569][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1345.387791][ T32] r10:61c88647 r9:8567ec00 r8:856c2bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1345.388180][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1345.388891][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1345.389216][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1345.412918][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1345.413454][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1345.413816][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1345.414229][ T32] INFO: task kworker/1:937:5385 blocked for more than 471 seconds. ** 7 printk messages dropped ** [ 1345.414717][ T32] r4:85650c00 ** 4 printk messages dropped ** [ 1345.414971][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9fde08 ** 5 printk messages dropped ** [ 1345.415210][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1345.415334][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.415386][ T32] r5:00001000 r4:eba63000 [ 1345.415431][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.415478][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.415525][ T32] r5:856d438c r4:856d4000 [ 1345.415591][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.415671][ T32] r7:ddde2d80 r6:83018200 r5:856d438c r4:856c2c00 [ 1345.415726][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.415831][ T32] r10:61c88647 r9:85650c00 r8:856c2c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.415862][ T32] r4:856c2c00 [ 1345.415884][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.415933][ T32] r10:00000000 r9:856c2c00 r8:80287e08 r7:eba11e60 r6:856c2c80 r5:85650c00 [ 1345.415957][ T32] r4:00000001 [ 1345.415999][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.416056][ T32] Exception stack(0xeb9fdfb0 to 0xeb9fdff8) [ 1345.416123][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.416164][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.416193][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.416224][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.416248][ T32] r4:85709c00 [ 1345.416765][ T32] INFO: task kworker/1:937:5385 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.416854][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.416964][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.417061][ T32] Call trace: [ 1345.417143][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.417224][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.417254][ T32] r4:00000000 [ 1345.417275][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.417318][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.417348][ T32] dd20: be2ee000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.417388][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.417416][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.417477][ T32] r5:800d0013 r4:80239bb0 [ 1345.417504][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.417548][ T32] r4:82ac21e4 [ 1345.417570][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.417660][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.417694][ T32] r4:e044ddc0 [ 1345.417741][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.417792][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.417842][ T32] r4:00000000 [ 1345.417945][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.418028][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.418058][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.418129][ T32] r5:00001000 r4:ed353000 [ 1345.418155][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.418243][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.418355][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.418385][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.418441][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.418488][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.418545][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1345.418675][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1345.418897][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1345.419303][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1345.440409][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.440457][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba6de08 [ 1345.440482][ T32] r4:00000000 [ 1345.440551][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.440602][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.440685][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.440738][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85709e80 [ 1345.440764][ T32] r4:00000000 [ 1345.440786][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.440837][ T32] r9:83018205 r8:85653000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a7000 [ 1345.440867][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.440942][ T32] r5:00001000 r4:eba6f000 [ 1345.440991][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.441042][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.441090][ T32] r5:856d478c r4:856d4400 [ 1345.441113][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.441185][ T32] r7:ddde2d80 r6:83018200 r5:856d478c r4:856c2d00 [ 1345.441216][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.441271][ T32] r10:61c88647 r9:85653000 r8:856c2d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.441306][ T32] r4:856c2d00 [ 1345.441332][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.441394][ T32] r10:00000000 r9:856c2d00 r8:80287e08 r7:eba11e60 r6:856c2d80 r5:85653000 [ 1345.441420][ T32] r4:00000001 [ 1345.441518][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.441567][ T32] Exception stack(0xeba6dfb0 to 0xeba6dff8) [ 1345.441626][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.441662][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.441728][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.441773][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.441798][ T32] r4:85709a40 [ 1345.442306][ T32] INFO: task kworker/1:938:5387 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.442359][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.442468][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.442560][ T32] Call trace: [ 1345.442645][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.442715][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.442744][ T32] r4:00000000 [ 1345.442766][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.442810][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.442841][ T32] dd20: be715000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.442873][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.442902][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.442930][ T32] r5:800d0013 r4:80239bb0 [ 1345.442975][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.443028][ T32] r4:82ac21e4 [ 1345.443051][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 11 printk messages dropped ** [ 1345.443550][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1345.443863][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.443902][ T32] r4:00000001 [ 1345.443949][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.443992][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.444056][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.444092][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.444120][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.444152][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.444177][ T32] r4:84ab0640 [ 1345.444201][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.444254][ T32] INFO: task kworker/1:939:5390 blocked for more than 471 seconds. [ 1345.444306][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.444338][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.444362][ T32] task:kworker/1:939 state:D stack:0 pid:5390 tgid:5390 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.444462][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.444559][ T32] Call trace: [ 1345.444614][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.444688][ T32] r10:8291a684 r9:eba61d84 r8:00000002 r7:60000013 r6:eba61d8c r5:85653c00 [ 1345.444717][ T32] r4:85653c00 [ 1345.444782][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.444862][ T32] r5:85653c00 r4:8291a680 [ 1345.444888][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.444933][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1345.445276][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1345.445523][ T32] r5:856d5b8c r4:856d5800 ** 1 printk messages dropped ** [ 1345.445610][ T32] r7:ddde2d80 r6:83018200 r5:856d5b8c r4:856c2e00 ** 4 printk messages dropped ** [ 1345.445896][ T32] r10:00000000 r9:856c2e00 r8:80287e08 r7:eba11e60 r6:856c2e80 r5:85653c00 ** 7 printk messages dropped ** [ 1345.446299][ T32] r4:85709e00 ** 2 printk messages dropped ** [ 1345.446715][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1345.447137][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1345.447482][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 6 printk messages dropped ** [ 1345.447785][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1345.448169][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 14 printk messages dropped ** [ 1345.448840][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 4 printk messages dropped ** [ 1345.449118][ T32] r10:8291a684 r9:eba05d84 r8:00000002 r7:60000113 r6:eba05d8c r5:85654800 [ 1345.449142][ T32] r4:85654800 [ 1345.449165][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.449223][ T32] r5:85654800 r4:8291a680 [ 1345.449249][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.449377][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.478652][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba05e08 [ 1345.478746][ T32] r4:00000000 [ 1345.478794][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.478932][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.479023][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.479181][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856acf80 [ 1345.479237][ T32] r4:00000000 [ 1345.479281][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.480074][ T32] r9:83018205 r8:85654800 r7:00000000 r6:83018200 r5:00001000 r4:7f0ab000 [ 1345.480150][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.480287][ T32] r5:00001000 r4:eba87000 [ 1345.480363][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.480467][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.480595][ T32] r5:856d4f8c r4:856d4c00 [ 1345.480653][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.480761][ T32] r7:ddde2d80 r6:83018200 r5:856d4f8c r4:856c2f00 [ 1345.480814][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.480919][ T32] r10:61c88647 r9:85654800 r8:856c2f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.480972][ T32] r4:856c2f00 [ 1345.481019][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.481142][ T32] r10:00000000 r9:856c2f00 r8:80287e08 r7:eba61e60 r6:856c2f80 r5:85654800 [ 1345.481205][ T32] r4:00000001 [ 1345.481267][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.481349][ T32] Exception stack(0xeba05fb0 to 0xeba05ff8) [ 1345.481415][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1345.482524][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.482735][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.482846][ T32] Call trace: [ 1345.482920][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.483029][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.483082][ T32] r4:00000000 [ 1345.483128][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.483230][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.483298][ T32] dd20: beabd000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.483365][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.483426][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.483480][ T32] r5:800d0013 r4:80239bb0 ** 4 printk messages dropped ** [ 1345.483868][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1345.484390][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 13 printk messages dropped ** [ 1345.485614][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 14 printk messages dropped ** [ 1345.486822][ T32] r4:85656000 ** 8 printk messages dropped ** [ 1345.487474][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1345.488208][ T32] r5:856d578c r4:856d5400 ** 3 printk messages dropped ** [ 1345.488552][ T32] r10:61c88647 r9:85656000 r8:8571e02c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1345.517564][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.517751][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.517810][ T32] r4:85703e80 [ 1345.518585][ T32] INFO: task kworker/1:941:5393 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.518727][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.518881][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.519005][ T32] Call trace: [ 1345.519095][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.519295][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.530050][ T32] r4:00000000 [ 1345.530143][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.530271][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.530339][ T32] dd20: befb3000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.530404][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.530473][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.530532][ T32] r5:800d0013 r4:80239bb0 [ 1345.530575][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.530666][ T32] r4:82ac21e4 [ 1345.530708][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.530792][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.530839][ T32] r4:e044ddc0 [ 1345.530931][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.531053][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.531106][ T32] r4:00000000 [ 1345.531148][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.531241][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.531286][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.531376][ T32] r5:00001000 r4:ed353000 [ 1345.531423][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.531501][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.531585][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.531650][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.531784][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.531835][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.531958][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.532041][ T32] r4:84ab5800 [ 1345.532089][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.532208][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.532260][ T32] r4:00000001 [ 1345.532396][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.532476][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.532566][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.532650][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1345.533127][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 4 printk messages dropped ** [ 1345.533575][ T32] r10:8291a684 r9:eba85d84 r8:00000002 r7:60000113 r6:eba85d8c r5:84618000 ** 5 printk messages dropped ** [ 1345.534037][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba85e08 ** 3 printk messages dropped ** [ 1345.534275][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1345.534651][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1345.534952][ T32] r5:855d378c r4:855d3400 [ 1345.534993][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.535082][ T32] r7:dddced80 r6:83018000 r5:855d378c r4:856c3900 [ 1345.535126][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1345.535429][ T32] r10:00000000 r9:856c3900 r8:80287e08 r7:eb8c1e60 r6:856c3980 r5:84618000 ** 4 printk messages dropped ** [ 1345.535724][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1345.536868][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1345.537276][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1345.537482][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 3 printk messages dropped ** [ 1345.537679][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1345.537854][ T32] r4:e044ddc0 ** 3 printk messages dropped ** [ 1345.538061][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1345.538453][ T32] r5:85c0ff8c r4:85c0fc00 ** 2 printk messages dropped ** [ 1345.538645][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.538768][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.538804][ T32] r4:84ab5800 [ 1345.538856][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.538913][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.538938][ T32] r4:00000001 [ 1345.538971][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.539013][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.539042][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.539072][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.539137][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.539173][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.539197][ T32] r4:84ab0640 [ 1345.539267][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.558778][ T32] INFO: task kworker/0:192:5397 blocked for more than 471 seconds. [ 1345.558840][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.558883][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.558935][ T32] task:kworker/0:192 state:D stack:0 pid:5397 tgid:5397 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.559013][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.559087][ T32] Call trace: [ 1345.559158][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.559679][ T32] r10:8291a684 r9:ebaa9d84 r8:00000002 r7:60000113 r6:ebaa9d8c r5:84619800 [ 1345.559744][ T32] r4:84619800 [ 1345.559770][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.559844][ T32] r5:84619800 r4:8291a680 [ 1345.559872][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.559915][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.559959][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebaa9e08 [ 1345.559982][ T32] r4:00000000 [ 1345.560013][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.560056][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.560097][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.560141][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85712e00 [ 1345.560164][ T32] r4:00000000 [ 1345.560185][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.560308][ T32] r9:83018005 r8:84619800 r7:00000000 r6:83018000 r5:00001000 r4:7f0bb000 [ 1345.560347][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.560406][ T32] r5:00001000 r4:ebaab000 [ 1345.560428][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.560471][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.560585][ T32] r5:856d538c r4:856d5000 [ 1345.560615][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.560673][ T32] r7:dddced80 r6:83018000 r5:856d538c r4:856c3a00 [ 1345.560695][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.560746][ T32] r10:61c88647 r9:84619800 r8:856c3a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1345.560770][ T32] r4:856c3a00 [ 1345.560790][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.560911][ T32] r10:00000000 r9:856c3a00 r8:80287e08 r7:eba85e60 r6:856c3a80 r5:84619800 [ 1345.560945][ T32] r4:00000001 [ 1345.560968][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.561011][ T32] Exception stack(0xebaa9fb0 to 0xebaa9ff8) [ 1345.561043][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.561074][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.561103][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.561135][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.561193][ T32] r4:85712d40 [ 1345.561669][ T32] INFO: task kworker/0:192:5397 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.561711][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.561782][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.561835][ T32] Call trace: [ 1345.561897][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.561959][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.561987][ T32] r4:00000000 [ 1345.562008][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.562052][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.562086][ T32] dd20: bf3b1000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.562119][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.562146][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.562203][ T32] r5:800d0013 r4:80239bb0 [ 1345.562231][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.562280][ T32] r4:82ac21e4 [ 1345.562302][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.562348][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.562392][ T32] r4:e044ddc0 [ 1345.562418][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.562511][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.562541][ T32] r4:00000000 [ 1345.562563][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.562614][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.562637][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.562700][ T32] r5:00001000 r4:ed353000 [ 1345.562752][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.562825][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.562903][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.562926][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.563002][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.563052][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.563138][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.563168][ T32] r4:84ab5800 [ 1345.563190][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.563256][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.563306][ T32] r4:00000001 [ 1345.563335][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.563393][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.563437][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.563471][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.563499][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.563569][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.563597][ T32] r4:84ab0640 [ 1345.563622][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.563656][ T32] INFO: task kworker/1:942:5401 blocked for more than 471 seconds. [ 1345.563689][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.563726][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.563751][ T32] task:kworker/1:942 state:D stack:0 pid:5401 tgid:5401 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.563801][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.563870][ T32] Call trace: [ 1345.563946][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.564012][ T32] r10:8291a684 r9:eba9dd84 r8:00000002 r7:60000013 r6:eba9dd8c r5:8461a400 [ 1345.564041][ T32] r4:8461a400 [ 1345.564063][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.564111][ T32] r5:8461a400 r4:8291a680 [ 1345.564133][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.564174][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.564219][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba9de08 [ 1345.564243][ T32] r4:00000000 [ 1345.564287][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.564359][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.564431][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.564556][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571f840 [ 1345.564591][ T32] r4:00000000 [ 1345.564615][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.564671][ T32] r9:83018205 r8:8461a400 r7:00000000 r6:83018200 r5:00001000 r4:7f069000 [ 1345.564695][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.564741][ T32] r5:00001000 r4:ea8fd000 [ 1345.564764][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.564805][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.564874][ T32] r5:856d5f8c r4:856d5c00 [ 1345.564940][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.564996][ T32] r7:ddde2d80 r6:83018200 r5:856d5f8c r4:8571e100 [ 1345.565019][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.565114][ T32] r10:61c88647 r9:8461a400 r8:8571e12c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.565235][ T32] r4:8571e100 [ 1345.565302][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.565366][ T32] r10:00000000 r9:8571e100 r8:80287e08 r7:eba61e60 r6:856c3b00 r5:8461a400 [ 1345.565404][ T32] r4:00000001 [ 1345.565441][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.565507][ T32] Exception stack(0xeba9dfb0 to 0xeba9dff8) [ 1345.565583][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.565618][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.565653][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.565737][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.565802][ T32] r4:8571f400 [ 1345.566067][ T32] INFO: task kworker/1:942:5401 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.566110][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.566170][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.566280][ T32] Call trace: [ 1345.566364][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.566430][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.566478][ T32] r4:00000000 [ 1345.566504][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.566547][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.566578][ T32] dd20: bf3b1000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.566636][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.566690][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.566761][ T32] r5:800d0013 r4:80239bb0 [ 1345.566792][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.566837][ T32] r4:82ac21e4 [ 1345.566859][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.566904][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.566948][ T32] r4:e044ddc0 [ 1345.566995][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.567060][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.567088][ T32] r4:00000000 [ 1345.567120][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.567173][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.567197][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.567242][ T32] r5:00001000 r4:ed353000 [ 1345.567264][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.567307][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.567353][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.567380][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.567442][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.567491][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.567546][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.567592][ T32] r4:84ab5800 [ 1345.567617][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.567668][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.567693][ T32] r4:00000001 [ 1345.567713][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.567774][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.567824][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.567860][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.567921][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.567957][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.568004][ T32] r4:84ab0640 [ 1345.568033][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.568061][ T32] INFO: task kworker/1:943:5402 blocked for more than 471 seconds. [ 1345.568092][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.568117][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.568138][ T32] task:kworker/1:943 state:D stack:0 pid:5402 tgid:5402 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.568186][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.568254][ T32] Call trace: [ 1345.568300][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.568403][ T32] r10:8291a684 r9:eb919d84 r8:00000002 r7:60000013 r6:eb919d8c r5:85655400 [ 1345.568439][ T32] r4:85655400 [ 1345.568463][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.568559][ T32] r5:85655400 r4:8291a680 [ 1345.568589][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.568670][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.568721][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb919e08 [ 1345.568747][ T32] r4:00000000 [ 1345.568791][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.568833][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.568903][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.568953][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571fbc0 [ 1345.569002][ T32] r4:00000000 [ 1345.569029][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.569083][ T32] r9:83018205 r8:85655400 r7:00000000 r6:83018200 r5:00001000 r4:7f06d000 [ 1345.569108][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.569152][ T32] r5:00001000 r4:eab4d000 [ 1345.569174][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.569215][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.569259][ T32] r5:856d678c r4:856d6400 [ 1345.569384][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.599760][ T32] r7:ddde2d80 r6:83018200 r5:856d678c r4:8571e180 [ 1345.599815][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.599901][ T32] r10:61c88647 r9:85655400 r8:8571e1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.599928][ T32] r4:8571e180 [ 1345.599952][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.600007][ T32] r10:00000000 r9:8571e180 r8:80287e08 r7:eba9de60 r6:8571e200 r5:85655400 [ 1345.600050][ T32] r4:00000001 [ 1345.600077][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.600133][ T32] Exception stack(0xeb919fb0 to 0xeb919ff8) [ 1345.600173][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.600206][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.600237][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.600302][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.600334][ T32] r4:8571f400 [ 1345.600804][ T32] INFO: task kworker/1:943:5402 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.600849][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.600995][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.601065][ T32] Call trace: [ 1345.601104][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.601163][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.601190][ T32] r4:00000000 [ 1345.601212][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.601278][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.601337][ T32] dd20: bfb80000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.601386][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.601417][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.601443][ T32] r5:800d0013 r4:80239bb0 [ 1345.601465][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.601546][ T32] r4:82ac21e4 [ 1345.601574][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.601622][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.601647][ T32] r4:e044ddc0 [ 1345.601668][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.601736][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.601764][ T32] r4:00000000 [ 1345.601823][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.601879][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.601905][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.601953][ T32] r5:00001000 r4:ed353000 [ 1345.601975][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.602020][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.602099][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.602126][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.602180][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.602204][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.602260][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.602334][ T32] r4:84ab5800 [ 1345.602383][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.602441][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.602466][ T32] r4:00000001 [ 1345.602486][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.602524][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.602553][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.602584][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.602620][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.602690][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.602742][ T32] r4:84ab0640 [ 1345.602771][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.602832][ T32] INFO: task kworker/0:193:5404 blocked for more than 472 seconds. [ 1345.602874][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.602904][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.602926][ T32] task:kworker/0:193 state:D stack:0 pid:5404 tgid:5404 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.602998][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.603050][ T32] Call trace: [ 1345.603105][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.603183][ T32] r10:8291a684 r9:eb925d84 r8:00000002 r7:60000113 r6:eb925d8c r5:85652400 [ 1345.603212][ T32] r4:85652400 [ 1345.603235][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.603307][ T32] r5:85652400 r4:8291a680 [ 1345.603378][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.603428][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.603476][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb925e08 [ 1345.603523][ T32] r4:00000000 [ 1345.603572][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.603614][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.603700][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.603777][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8572c980 [ 1345.603829][ T32] r4:00000000 [ 1345.603855][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.603905][ T32] r9:83018005 r8:85652400 r7:00000000 r6:83018000 r5:00001000 r4:7f089000 [ 1345.603928][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.603972][ T32] r5:00001000 r4:eb767000 [ 1345.603993][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.604036][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.604104][ T32] r5:855d3b8c r4:855d3800 [ 1345.604129][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.604202][ T32] r7:dddced80 r6:83018000 r5:855d3b8c r4:856c3b80 [ 1345.604229][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.604280][ T32] r10:61c88647 r9:85652400 r8:856c3bac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1345.604339][ T32] r4:856c3b80 [ 1345.604364][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.604421][ T32] r10:00000000 r9:856c3b80 r8:80287e08 r7:dfaf5e60 r6:8571e280 r5:85652400 [ 1345.604447][ T32] r4:00000001 [ 1345.604468][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.604544][ T32] Exception stack(0xeb925fb0 to 0xeb925ff8) [ 1345.604605][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.604669][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.604723][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.604759][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.604783][ T32] r4:85712e80 [ 1345.604998][ T32] INFO: task kworker/0:193:5404 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.605034][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.605094][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.605141][ T32] Call trace: [ 1345.605214][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.605275][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.605324][ T32] r4:00000000 [ 1345.605349][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.605401][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.605433][ T32] dd20: bfb80000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.605463][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.605512][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.605543][ T32] r5:800d0013 r4:80239bb0 [ 1345.605565][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.605609][ T32] r4:82ac21e4 [ 1345.605637][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.605723][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.605776][ T32] r4:e044ddc0 [ 1345.605804][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.605851][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.605876][ T32] r4:00000000 [ 1345.605899][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.605947][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.605995][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.606083][ T32] r5:00001000 r4:ed353000 [ 1345.606168][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.606249][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.606301][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.606324][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.606392][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.606442][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.606536][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.606566][ T32] r4:84ab5800 [ 1345.606609][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1345.606823][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 8 printk messages dropped ** [ 1345.607126][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1345.607604][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1345.607760][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.607797][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.607869][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571fa80 [ 1345.607902][ T32] r4:00000000 [ 1345.607947][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.608002][ T32] r9:83018205 r8:8461bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f06b000 [ 1345.608026][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.608071][ T32] r5:00001000 r4:eaa61000 [ 1345.608184][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.608232][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.608279][ T32] r5:856d638c r4:856d6000 [ 1345.608311][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.608366][ T32] r7:ddde2d80 r6:83018200 r5:856d638c r4:8571e300 [ 1345.608403][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.608453][ T32] r10:61c88647 r9:8461bc00 r8:8571e32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.608490][ T32] r4:8571e300 [ 1345.608571][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.608626][ T32] r10:00000000 r9:8571e300 r8:80287e08 r7:eb919e60 r6:856c3c00 r5:8461bc00 [ 1345.608658][ T32] r4:00000001 [ 1345.608685][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.608726][ T32] Exception stack(0xeb931fb0 to 0xeb931ff8) [ 1345.608754][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.608785][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.608907][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.608985][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.609016][ T32] r4:8571f9c0 [ 1345.609262][ T32] INFO: task kworker/1:944:5406 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.609386][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.632555][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.632655][ T32] Call trace: [ 1345.632699][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.632781][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.632866][ T32] r4:00000000 [ 1345.632910][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.632980][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.633016][ T32] dd20: bfd77000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.633062][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.633124][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.633156][ T32] r5:800d0013 r4:80239bb0 [ 1345.633178][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.633227][ T32] r4:82ac21e4 [ 1345.633248][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.633315][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.633344][ T32] r4:e044ddc0 [ 1345.633385][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.633431][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.633464][ T32] r4:00000000 [ 1345.633486][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.633535][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.633558][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.633621][ T32] r5:00001000 r4:ed353000 [ 1345.633651][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.633696][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.633756][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.633810][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.633868][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.633892][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.633943][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.633966][ T32] r4:84ab5800 [ 1345.633987][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.634037][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.634060][ T32] r4:00000001 [ 1345.634097][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.634169][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.634213][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.634296][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.634335][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.634374][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.634400][ T32] r4:84ab0640 [ 1345.634427][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 2 printk messages dropped ** [ 1345.634560][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1345.635098][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1345.635472][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1345.635672][ T32] r5:00001000 r4:eb323000 ** 2 printk messages dropped ** [ 1345.635892][ T32] r5:856d7b8c r4:856d7800 [ 1345.635934][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.636016][ T32] r7:ddde2d80 r6:83018200 r5:856d7b8c r4:8571e400 ** 1 printk messages dropped ** [ 1345.636147][ T32] r10:61c88647 r9:8461d400 r8:8571e42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1345.636473][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1345.637410][ T32] Call trace: ** 4 printk messages dropped ** [ 1345.637823][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 1 printk messages dropped ** [ 1345.637894][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.637920][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.637946][ T32] r5:800d0013 r4:80239bb0 [ 1345.637989][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.638122][ T32] r4:82ac21e4 [ 1345.638151][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.638199][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.638223][ T32] r4:e044ddc0 [ 1345.638325][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.638421][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.638456][ T32] r4:00000000 [ 1345.638522][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.638578][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.638602][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.638665][ T32] r5:00001000 r4:ed353000 [ 1345.638692][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.638736][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.638827][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.638851][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.638908][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.638961][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.639046][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.639076][ T32] r4:84ab5800 [ 1345.639097][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.639170][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.639267][ T32] r4:00000001 [ 1345.659300][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.660280][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.660339][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.660386][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.660417][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.660453][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.660478][ T32] r4:84ab0640 [ 1345.660532][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.660593][ T32] INFO: task kworker/1:946:5410 blocked for more than 472 seconds. [ 1345.660653][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.660772][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.660804][ T32] task:kworker/1:946 state:D stack:0 pid:5410 tgid:5410 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.660872][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.660936][ T32] Call trace: [ 1345.660974][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.661034][ T32] r10:8291a684 r9:eb95dd84 r8:00000002 r7:60000013 r6:eb95dd8c r5:8461e000 [ 1345.661086][ T32] r4:8461e000 [ 1345.661138][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.661220][ T32] r5:8461e000 r4:8291a680 [ 1345.661265][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.661318][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.661398][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb95de08 [ 1345.661433][ T32] r4:00000000 [ 1345.661527][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.661571][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.661615][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.661660][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571fc80 [ 1345.661684][ T32] r4:00000000 [ 1345.661938][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.661995][ T32] r9:83018205 r8:8461e000 r7:00000000 r6:83018200 r5:00001000 r4:7f06f000 [ 1345.662059][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.662112][ T32] r5:00001000 r4:eadb1000 [ 1345.662277][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.662340][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.662397][ T32] r5:856d6b8c r4:856d6800 [ 1345.662426][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.662481][ T32] r7:ddde2d80 r6:83018200 r5:856d6b8c r4:8571e380 [ 1345.662510][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.662562][ T32] r10:61c88647 r9:8461e000 r8:8571e3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.662586][ T32] r4:8571e380 [ 1345.662609][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.662685][ T32] r10:00000000 r9:8571e380 r8:80287e08 r7:eb951e60 r6:856c3d00 r5:8461e000 [ 1345.662715][ T32] r4:00000001 [ 1345.662737][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.662827][ T32] Exception stack(0xeb95dfb0 to 0xeb95dff8) [ 1345.662861][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.662893][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.662921][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.663074][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.663104][ T32] r4:8571fa40 [ 1345.663554][ T32] INFO: task kworker/1:946:5410 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.663595][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.663687][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.663810][ T32] Call trace: [ 1345.664082][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.664144][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.664169][ T32] r4:00000000 [ 1345.664246][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.664399][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.664527][ T32] dd20: bfead000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.664592][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.664627][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.664655][ T32] r5:800d0013 r4:80239bb0 [ 1345.664678][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.664725][ T32] r4:82ac21e4 [ 1345.664749][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.664796][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.664823][ T32] r4:e044ddc0 [ 1345.664861][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.664912][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.664990][ T32] r4:00000000 [ 1345.665020][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.665234][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 3 printk messages dropped ** [ 1345.665421][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1345.665925][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1345.666171][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1345.666822][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1345.667137][ T32] r4:8461c800 [ 1345.667191][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.667245][ T32] r5:8461c800 r4:8291a680 [ 1345.667268][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.667308][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.667351][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb975e08 [ 1345.667394][ T32] r4:00000000 [ 1345.667424][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.667490][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.667536][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.667581][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571fe80 [ 1345.667622][ T32] r4:00000000 [ 1345.667648][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.667703][ T32] r9:83018205 r8:8461c800 r7:00000000 r6:83018200 r5:00001000 r4:7f071000 [ 1345.667728][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.667773][ T32] r5:00001000 r4:eb031000 [ 1345.667905][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.667957][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.668003][ T32] r5:856d6f8c r4:856d6c00 [ 1345.668097][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.668193][ T32] r7:ddde2d80 r6:83018200 r5:856d6f8c r4:8571e480 [ 1345.668220][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.668273][ T32] r10:61c88647 r9:8461c800 r8:8571e4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.668299][ T32] r4:8571e480 [ 1345.668320][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.668372][ T32] r10:00000000 r9:8571e480 r8:80287e08 r7:eb951e60 r6:856c3d80 r5:8461c800 [ 1345.668397][ T32] r4:00000001 [ 1345.668417][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.668454][ T32] Exception stack(0xeb975fb0 to 0xeb975ff8) [ 1345.668534][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.668655][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.668693][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.668725][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.668749][ T32] r4:8571fb40 [ 1345.669019][ T32] INFO: task kworker/1:947:5412 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.669059][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.700351][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1345.700713][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1345.701548][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1345.702128][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1345.702789][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 8 printk messages dropped ** [ 1345.703148][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1345.703731][ T32] r4:8461ec00 ** 4 printk messages dropped ** [ 1345.704230][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb98de08 ** 6 printk messages dropped ** [ 1345.704660][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1345.704949][ T32] r5:856d738c r4:856d7000 ** 1 printk messages dropped ** [ 1345.705084][ T32] r7:ddde2d80 r6:83018200 r5:856d738c r4:8571e500 [ 1345.705112][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.705164][ T32] r10:61c88647 r9:8461ec00 r8:8571e52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.705189][ T32] r4:8571e500 [ 1345.705228][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.705309][ T32] r10:00000000 r9:8571e500 r8:80287e08 r7:eb951e60 r6:856c3e00 r5:8461ec00 [ 1345.705337][ T32] r4:00000001 [ 1345.705430][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.705593][ T32] Exception stack(0xeb98dfb0 to 0xeb98dff8) [ 1345.705660][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.705728][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.705783][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.705820][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.705844][ T32] r4:8571fd00 [ 1345.706326][ T32] INFO: task kworker/1:948:5414 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.706437][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.706508][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.706558][ T32] Call trace: [ 1345.706846][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.706939][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.706975][ T32] r4:00000000 [ 1345.706999][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.707047][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.707078][ T32] dd20: c0543000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.707139][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.707171][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.707197][ T32] r5:800d0013 r4:80239bb0 [ 1345.707219][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.707290][ T32] r4:82ac21e4 [ 1345.707337][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.707445][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.707494][ T32] r4:e044ddc0 [ 1345.707616][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.707686][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.707756][ T32] r4:00000000 [ 1345.707823][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.707878][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.707903][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.707975][ T32] r5:00001000 r4:ed353000 [ 1345.708043][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.708098][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.708152][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.708193][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.708302][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.708331][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.708389][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.708548][ T32] r4:84ab5800 [ 1345.708580][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.708653][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.708737][ T32] r4:00000001 [ 1345.708763][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.708876][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.708980][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.709017][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.709048][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.709106][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.709285][ T32] r4:84ab0640 [ 1345.730638][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.730729][ T32] INFO: task kworker/1:949:5416 blocked for more than 472 seconds. [ 1345.730778][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.730813][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.730844][ T32] task:kworker/1:949 state:D stack:0 pid:5416 tgid:5416 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1345.731242][ T32] r10:8291a684 r9:eb8add84 r8:00000002 r7:60000113 r6:eb8add8c r5:8564a400 ** 4 printk messages dropped ** [ 1345.731487][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1345.731657][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1345.732064][ T32] r9:83018205 r8:8564a400 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 ** 4 printk messages dropped ** [ 1345.732308][ T32] r5:856d778c r4:856d7400 [ 1345.732362][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.732449][ T32] r7:ddde2d80 r6:83018200 r5:856d778c r4:8571e580 [ 1345.732476][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.732621][ T32] r10:61c88647 r9:8564a400 r8:8571e5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.732652][ T32] r4:8571e580 [ 1345.732675][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 5 printk messages dropped ** [ 1345.733025][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1345.733654][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1345.734227][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 2 printk messages dropped ** [ 1345.734344][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 4 printk messages dropped ** [ 1345.734546][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 2 printk messages dropped ** [ 1345.734637][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.734714][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.734743][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.734791][ T32] r5:00001000 r4:ed353000 [ 1345.734841][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.734892][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.734949][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.735001][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.735095][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.735122][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.735221][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.735251][ T32] r4:84ab5800 [ 1345.735274][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.735325][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.735350][ T32] r4:00000001 [ 1345.735378][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.735446][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.735490][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.735554][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.735626][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.735664][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.735741][ T32] r4:84ab0640 [ 1345.735771][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.735803][ T32] INFO: task kworker/1:950:5419 blocked for more than 472 seconds. [ 1345.735836][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.735862][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.735914][ T32] task:kworker/1:950 state:D stack:0 pid:5419 tgid:5419 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.736002][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.736122][ T32] Call trace: [ 1345.736168][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.736225][ T32] r10:8291a684 r9:eb999d84 r8:00000002 r7:60000013 r6:eb999d8c r5:85656c00 [ 1345.736277][ T32] r4:85656c00 [ 1345.736304][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.736353][ T32] r5:85656c00 r4:8291a680 [ 1345.736382][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.736425][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.736470][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb999e08 [ 1345.736494][ T32] r4:00000000 [ 1345.736548][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.736588][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.736629][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.736673][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857261c0 [ 1345.736697][ T32] r4:00000000 [ 1345.736718][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.736790][ T32] r9:83018205 r8:85656c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1345.736820][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.736867][ T32] r5:00001000 r4:eb3c9000 [ 1345.736917][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.736965][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.737013][ T32] r5:856e038c r4:856e0000 [ 1345.737036][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.737087][ T32] r7:ddde2d80 r6:83018200 r5:856e038c r4:8571e680 [ 1345.737135][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.737262][ T32] r10:61c88647 r9:85656c00 r8:8571e6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.737294][ T32] r4:8571e680 [ 1345.737316][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.737371][ T32] r10:00000000 r9:8571e680 r8:80287e08 r7:eb951e60 r6:8571e700 r5:85656c00 [ 1345.737413][ T32] r4:00000001 [ 1345.737439][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.737478][ T32] Exception stack(0xeb999fb0 to 0xeb999ff8) [ 1345.737534][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.737575][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.737654][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.737692][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.737746][ T32] r4:8571f9c0 [ 1345.738003][ T32] INFO: task kworker/1:950:5419 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.738072][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.738143][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.738225][ T32] Call trace: [ 1345.738258][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.738379][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.738414][ T32] r4:00000000 [ 1345.738462][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.738540][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.738605][ T32] dd20: c06ca000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.738652][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.738681][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.738708][ T32] r5:800d0013 r4:80239bb0 [ 1345.738729][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.738775][ T32] r4:82ac21e4 [ 1345.738798][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.738844][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.738869][ T32] r4:e044ddc0 [ 1345.738891][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.738935][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.738960][ T32] r4:00000000 [ 1345.738983][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.739033][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.739056][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.739156][ T32] r5:00001000 r4:ed353000 [ 1345.739184][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.768882][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.769078][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.769203][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.769881][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.769932][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.769998][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.770025][ T32] r4:84ab5800 [ 1345.770080][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.770141][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.770167][ T32] r4:00000001 [ 1345.770195][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.770269][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.770327][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.770455][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.770519][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.770794][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.770873][ T32] r4:84ab0640 [ 1345.770919][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.770979][ T32] INFO: task kworker/1:951:5420 blocked for more than 472 seconds. [ 1345.771192][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.771249][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.771279][ T32] task:kworker/1:951 state:D stack:0 pid:5420 tgid:5420 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.771347][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.771506][ T32] Call trace: [ 1345.771650][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.771711][ T32] r10:8291a684 r9:eb945d84 r8:00000002 r7:60000013 r6:eb945d8c r5:85788000 [ 1345.771737][ T32] r4:85788000 [ 1345.771936][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.771989][ T32] r5:85788000 r4:8291a680 [ 1345.772056][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.772107][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.772155][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb945e08 [ 1345.772199][ T32] r4:00000000 [ 1345.772226][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.772266][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.772403][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.772540][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571f080 [ 1345.772581][ T32] r4:00000000 [ 1345.772606][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.772767][ T32] r9:83018205 r8:85788000 r7:00000000 r6:83018200 r5:00001000 r4:7f079000 [ 1345.772799][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.772848][ T32] r5:00001000 r4:eb38f000 [ 1345.772901][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.772950][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.772999][ T32] r5:856d7f8c r4:856d7c00 [ 1345.773124][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.773246][ T32] r7:ddde2d80 r6:83018200 r5:856d7f8c r4:8571e780 [ 1345.773275][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.773345][ T32] r10:61c88647 r9:85788000 r8:8571e7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.773406][ T32] r4:8571e780 [ 1345.773463][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.773544][ T32] r10:00000000 r9:8571e780 r8:80287e08 r7:eb999e60 r6:8571e800 r5:85788000 [ 1345.773573][ T32] r4:00000001 [ 1345.773599][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.773640][ T32] Exception stack(0xeb945fb0 to 0xeb945ff8) [ 1345.773675][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.773706][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.773734][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.773784][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.773826][ T32] r4:8571f9c0 [ 1345.774329][ T32] INFO: task kworker/1:951:5420 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.774441][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.774578][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.774643][ T32] Call trace: [ 1345.774827][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.774900][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.775027][ T32] r4:00000000 [ 1345.775086][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.775136][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.775169][ T32] dd20: c0a24000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.775200][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.775255][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.775286][ T32] r5:800d0013 r4:80239bb0 [ 1345.775311][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.775385][ T32] r4:82ac21e4 [ 1345.775449][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.775501][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.775529][ T32] r4:e044ddc0 [ 1345.775550][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.775599][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.775702][ T32] r4:00000000 [ 1345.775766][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.775853][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.775914][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.775974][ T32] r5:00001000 r4:ed353000 [ 1345.776016][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.776133][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.776189][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.776213][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.776266][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.776291][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.776371][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.776406][ T32] r4:84ab5800 [ 1345.776429][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.776480][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.776544][ T32] r4:00000001 [ 1345.776572][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.776612][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.776644][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.776678][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.776736][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.776775][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.776800][ T32] r4:84ab0640 [ 1345.776822][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.776851][ T32] INFO: task kworker/1:952:5423 blocked for more than 472 seconds. [ 1345.776882][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.776934][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.776962][ T32] task:kworker/1:952 state:D stack:0 pid:5423 tgid:5423 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.777020][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.777186][ T32] Call trace: [ 1345.777274][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.777332][ T32] r10:8291a684 r9:eb9b1d84 r8:00000002 r7:60000113 r6:eb9b1d8c r5:85788c00 [ 1345.777359][ T32] r4:85788c00 [ 1345.777381][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.777509][ T32] r5:85788c00 r4:8291a680 [ 1345.777569][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.777617][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.777667][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9b1e08 [ 1345.777693][ T32] r4:00000000 [ 1345.777714][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.777751][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.777787][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.777859][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85726280 [ 1345.777920][ T32] r4:00000000 [ 1345.777973][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.778058][ T32] r9:83018205 r8:85788c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 [ 1345.778087][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.778153][ T32] r5:00001000 r4:eb4f3000 [ 1345.778211][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.778276][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.778385][ T32] r5:856e078c r4:856e0400 [ 1345.778417][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.778469][ T32] r7:ddde2d80 r6:83018200 r5:856e078c r4:8571e880 [ 1345.778491][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.778563][ T32] r10:61c88647 r9:85788c00 r8:8571e8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.778595][ T32] r4:8571e880 [ 1345.778617][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.778666][ T32] r10:00000000 r9:8571e880 r8:80287e08 r7:eb999e60 r6:8571e900 r5:85788c00 [ 1345.778691][ T32] r4:00000001 [ 1345.778739][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.778809][ T32] Exception stack(0xeb9b1fb0 to 0xeb9b1ff8) [ 1345.778867][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.778902][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.778931][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.778962][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.779015][ T32] r4:85726040 [ 1345.802065][ T32] INFO: task kworker/1:952:5423 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.802214][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.802318][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.802404][ T32] Call trace: [ 1345.802444][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.802525][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.802623][ T32] r4:00000000 [ 1345.802680][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.802734][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.802768][ T32] dd20: c0c60000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.802801][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.802828][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.802856][ T32] r5:800d0013 r4:80239bb0 [ 1345.802879][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.802926][ T32] r4:82ac21e4 [ 1345.802977][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.803030][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.803054][ T32] r4:e044ddc0 [ 1345.803076][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.803121][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.803176][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1345.803323][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 4 printk messages dropped ** [ 1345.803528][ T32] r5:85c0ff8c r4:85c0fc00 ** 3 printk messages dropped ** [ 1345.803869][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1345.803965][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.803990][ T32] r4:00000001 [ 1345.804012][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.804081][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.804117][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.804154][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.804213][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.804306][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.804341][ T32] r4:84ab0640 [ 1345.804370][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.804409][ T32] INFO: task kworker/1:953:5425 blocked for more than 472 seconds. [ 1345.804448][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.804476][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.804531][ T32] task:kworker/1:953 state:D stack:0 pid:5425 tgid:5425 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.804620][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.804731][ T32] Call trace: [ 1345.804772][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.804827][ T32] r10:8291a684 r9:eb9c9d84 r8:00000002 r7:60000113 r6:eb9c9d8c r5:85789800 [ 1345.804853][ T32] r4:85789800 [ 1345.804955][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.805010][ T32] r5:85789800 r4:8291a680 [ 1345.805034][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.805091][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.805144][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9c9e08 [ 1345.805169][ T32] r4:00000000 [ 1345.805219][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.805289][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.805332][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.805383][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85726480 [ 1345.805420][ T32] r4:00000000 [ 1345.805447][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.805557][ T32] r9:83018205 r8:85789800 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1345.805586][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.805651][ T32] r5:00001000 r4:eb50f000 [ 1345.805680][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.805779][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.805843][ T32] r5:856e0b8c r4:856e0800 [ 1345.805866][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.805917][ T32] r7:ddde2d80 r6:83018200 r5:856e0b8c r4:8571e980 [ 1345.805994][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.806052][ T32] r10:61c88647 r9:85789800 r8:8571e9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.806077][ T32] r4:8571e980 [ 1345.806167][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.806262][ T32] r10:00000000 r9:8571e980 r8:80287e08 r7:eb9b1e60 r6:8571ea00 r5:85789800 [ 1345.806295][ T32] r4:00000001 [ 1345.806375][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.806444][ T32] Exception stack(0xeb9c9fb0 to 0xeb9c9ff8) [ 1345.806491][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.806530][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.806601][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.806638][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.806663][ T32] r4:85726180 [ 1345.807107][ T32] INFO: task kworker/1:953:5425 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.807251][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.807328][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.807397][ T32] Call trace: [ 1345.807432][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.807489][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.807529][ T32] r4:00000000 [ 1345.807556][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.807628][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.807664][ T32] dd20: c0c60000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.807695][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.807740][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.807772][ T32] r5:800d0013 r4:80239bb0 [ 1345.807794][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.807840][ T32] r4:82ac21e4 [ 1345.807951][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.808002][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.808045][ T32] r4:e044ddc0 [ 1345.808072][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.808124][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.808150][ T32] r4:00000000 [ 1345.808172][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.808378][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.808414][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.808462][ T32] r5:00001000 r4:ed353000 [ 1345.808485][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.808549][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.808625][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.808655][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.808707][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.808732][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.808866][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.808899][ T32] r4:84ab5800 [ 1345.808920][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.808971][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.808996][ T32] r4:00000001 [ 1345.809016][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.809081][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.809172][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.809212][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.809242][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.809273][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.809363][ T32] r4:84ab0640 [ 1345.829197][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.829353][ T32] INFO: task kworker/1:954:5427 blocked for more than 472 seconds. [ 1345.829986][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.830034][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.830062][ T32] task:kworker/1:954 state:D stack:0 pid:5427 tgid:5427 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.830171][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.830246][ T32] Call trace: [ 1345.830313][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.830379][ T32] r10:8291a684 r9:eb9d5d84 r8:00000002 r7:60000113 r6:eb9d5d8c r5:8578a400 [ 1345.830442][ T32] r4:8578a400 [ 1345.830470][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.830520][ T32] r5:8578a400 r4:8291a680 [ 1345.830549][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.830627][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.830715][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9d5e08 [ 1345.830749][ T32] r4:00000000 [ 1345.830801][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.830846][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.830891][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.830966][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85726680 [ 1345.830997][ T32] r4:00000000 [ 1345.831022][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.831077][ T32] r9:83018205 r8:8578a400 r7:00000000 r6:83018200 r5:00001000 r4:7f081000 [ 1345.831107][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.831184][ T32] r5:00001000 r4:eb55d000 [ 1345.831212][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.831286][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.831387][ T32] r5:856e0f8c r4:856e0c00 [ 1345.831422][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.831478][ T32] r7:ddde2d80 r6:83018200 r5:856e0f8c r4:8571ea80 [ 1345.831566][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.831656][ T32] r10:61c88647 r9:8578a400 r8:8571eaac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1345.831994][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1345.832871][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) ** 11 printk messages dropped ** [ 1345.833534][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1345.834092][ T32] r5:00001000 r4:ed353000 ** 5 printk messages dropped ** [ 1345.834379][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1345.834750][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1345.835047][ T32] INFO: task kworker/1:955:5429 blocked for more than 472 seconds. ** 7 printk messages dropped ** [ 1345.835507][ T32] r4:8578b000 ** 4 printk messages dropped ** [ 1345.835848][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebab5e08 [ 1345.835877][ T32] r4:00000000 [ 1345.835929][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.835975][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.836054][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.836161][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857267c0 [ 1345.836262][ T32] r4:00000000 [ 1345.836297][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.836384][ T32] r9:83018205 r8:8578b000 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1345.836426][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.836476][ T32] r5:00001000 r4:eb5a5000 [ 1345.836544][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.836610][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.836665][ T32] r5:856e138c r4:856e1000 [ 1345.836689][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.836742][ T32] r7:ddde2d80 r6:83018200 r5:856e138c r4:8571eb80 [ 1345.836767][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.836819][ T32] r10:61c88647 r9:8578b000 r8:8571ebac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.836846][ T32] r4:8571eb80 [ 1345.836868][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.836919][ T32] r10:00000000 r9:8571eb80 r8:80287e08 r7:eb9d5e60 r6:8571ec00 r5:8578b000 [ 1345.836945][ T32] r4:00000001 [ 1345.836986][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.837109][ T32] Exception stack(0xebab5fb0 to 0xebab5ff8) [ 1345.837220][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.837257][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.837435][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.837477][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.837549][ T32] r4:85726500 [ 1345.837831][ T32] INFO: task kworker/1:955:5429 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.837991][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.838099][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.838180][ T32] Call trace: [ 1345.838220][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.838337][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.838374][ T32] r4:00000000 [ 1345.838405][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.838454][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.838486][ T32] dd20: c0fc5000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.838520][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.838549][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.838577][ T32] r5:800d0013 r4:80239bb0 [ 1345.838600][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.838673][ T32] r4:82ac21e4 [ 1345.838732][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.838786][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.838829][ T32] r4:e044ddc0 [ 1345.838857][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.838906][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.839071][ T32] r4:00000000 [ 1345.839099][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.839153][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 4 printk messages dropped ** [ 1345.875809][ T32] r5:85c0ff8c r4:85c0fc00 ** 5 printk messages dropped ** [ 1345.876103][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1345.876628][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1345.877136][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1345.878652][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1345.879159][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1345.890520][ T32] r5:856e1b8c r4:856e1800 ** 3 printk messages dropped ** [ 1345.890770][ T32] r10:61c88647 r9:8461b000 r8:8571ecac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1345.891173][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1345.891947][ T32] Call trace: [ 1345.892005][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.892064][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.892090][ T32] r4:00000000 [ 1345.892112][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.892160][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.892192][ T32] dd20: c15ca000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.892224][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.892278][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.892311][ T32] r5:800d0013 r4:80239bb0 [ 1345.892334][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.892398][ T32] r4:82ac21e4 [ 1345.892428][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.892476][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.892539][ T32] r4:e044ddc0 [ 1345.892567][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.892648][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.892677][ T32] r4:00000000 [ 1345.892699][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.892751][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.892789][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.892841][ T32] r5:00001000 r4:ed353000 [ 1345.892864][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.892937][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.892989][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.893012][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.893066][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.893089][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.893140][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.893165][ T32] r4:84ab5800 [ 1345.893185][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.893234][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.893284][ T32] r4:00000001 [ 1345.893312][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.893364][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.893449][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.893486][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.893517][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.893619][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.893649][ T32] r4:84ab0640 [ 1345.893672][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.893756][ T32] INFO: task kworker/1:957:5433 blocked for more than 472 seconds. [ 1345.893801][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.893836][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.893896][ T32] task:kworker/1:957 state:D stack:0 pid:5433 tgid:5433 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.893991][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.894037][ T32] Call trace: [ 1345.894070][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.894121][ T32] r10:8291a684 r9:ebac9d84 r8:00000002 r7:60000113 r6:ebac9d8c r5:84618c00 [ 1345.894146][ T32] r4:84618c00 [ 1345.894238][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.894349][ T32] r5:84618c00 r4:8291a680 [ 1345.894376][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.894454][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.894506][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebac9e08 [ 1345.894532][ T32] r4:00000000 [ 1345.894553][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.894591][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.894658][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.894735][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85726900 ** 3 printk messages dropped ** [ 1345.894914][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1345.895067][ T32] r5:856e178c r4:856e1400 ** 1 printk messages dropped ** [ 1345.895166][ T32] r7:ddde2d80 r6:83018200 r5:856e178c r4:8571ed00 ** 5 printk messages dropped ** [ 1345.895402][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1345.895551][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1345.896381][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1345.896608][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 6 printk messages dropped ** [ 1345.897101][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1345.897829][ T32] r5:85c0ff8c r4:85c0fc00 ** 5 printk messages dropped ** [ 1345.898212][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1345.899478][ T32] r4:84ab0640 [ 1345.927791][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.927907][ T32] INFO: task kworker/1:958:5434 blocked for more than 472 seconds. [ 1345.927953][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.927982][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.928007][ T32] task:kworker/1:958 state:D stack:0 pid:5434 tgid:5434 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.928108][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.928188][ T32] Call trace: [ 1345.928259][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.928324][ T32] r10:8291a684 r9:ebacdd84 r8:00000002 r7:60000113 r6:ebacdd8c r5:842b6c00 [ 1345.928360][ T32] r4:842b6c00 [ 1345.928384][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.928484][ T32] r5:842b6c00 r4:8291a680 [ 1345.928559][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.928633][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.928699][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebacde08 [ 1345.928730][ T32] r4:00000000 [ 1345.928755][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.928795][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.928838][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.928883][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85726d80 [ 1345.928910][ T32] r4:00000000 [ 1345.928932][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.928985][ T32] r9:83018205 r8:842b6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1345.929040][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.929095][ T32] r5:00001000 r4:eb8af000 [ 1345.929119][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.929186][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.929238][ T32] r5:856e238c r4:856e2000 [ 1345.929351][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.934876][ T32] r7:ddde2d80 r6:83018200 r5:856e238c r4:8571ed80 [ 1345.934925][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.935001][ T32] r10:61c88647 r9:842b6c00 r8:8571edac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.935030][ T32] r4:8571ed80 [ 1345.935088][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.935171][ T32] r10:00000000 r9:8571ed80 r8:80287e08 r7:ebac1e60 r6:856c3f80 r5:842b6c00 [ 1345.935203][ T32] r4:00000001 [ 1345.935227][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.935270][ T32] Exception stack(0xebacdfb0 to 0xebacdff8) [ 1345.935343][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.935417][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.935488][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.935526][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.935553][ T32] r4:85726780 [ 1345.936155][ T32] INFO: task kworker/1:958:5434 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.936327][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.936424][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.936482][ T32] Call trace: [ 1345.936572][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.936639][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.936667][ T32] r4:00000000 [ 1345.936715][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.936766][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.936799][ T32] dd20: c1a14000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.936832][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.936904][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.936936][ T32] r5:800d0013 r4:80239bb0 [ 1345.936960][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.937007][ T32] r4:82ac21e4 [ 1345.937037][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 4 printk messages dropped ** [ 1345.937241][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1345.937532][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1345.937907][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 8 printk messages dropped ** [ 1345.938244][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1345.938886][ T32] r4:84b10c00 ** 4 printk messages dropped ** [ 1345.939091][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebad1e08 ** 8 printk messages dropped ** [ 1345.960577][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1345.960849][ T32] r7:ddde2d80 r6:83018200 r5:856e1f8c r4:8571ee00 ** 4 printk messages dropped ** [ 1345.961071][ T32] r10:00000000 r9:8571ee00 r8:80287e08 r7:ebacde60 r6:8573b000 r5:84b10c00 ** 7 printk messages dropped ** [ 1345.961442][ T32] r4:857268c0 ** 5 printk messages dropped ** [ 1345.962390][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1345.962742][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1345.963033][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1345.963601][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1345.964014][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1345.964290][ T32] INFO: task kworker/0:194:5439 blocked for more than 472 seconds. ** 7 printk messages dropped ** [ 1345.964784][ T32] r4:84b11800 ** 4 printk messages dropped ** [ 1345.964976][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebab9e08 ** 7 printk messages dropped ** [ 1345.965388][ T32] r9:83018005 r8:84b11800 r7:00000000 r6:83018000 r5:00001000 r4:7f08b000 ** 4 printk messages dropped ** [ 1345.965613][ T32] r5:855d3f8c r4:855d3c00 [ 1345.965635][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.965690][ T32] r7:dddced80 r6:83018000 r5:855d3f8c r4:8573b080 [ 1345.965745][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.965845][ T32] r10:61c88647 r9:84b11800 r8:8573b0ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1345.965872][ T32] r4:8573b080 [ 1345.965894][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.965960][ T32] r10:00000000 r9:8573b080 r8:80287e08 r7:dfaf5e60 r6:8573b100 r5:84b11800 [ 1345.965990][ T32] r4:00000001 [ 1345.966040][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.966084][ T32] Exception stack(0xebab9fb0 to 0xebab9ff8) [ 1345.966117][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.966189][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.966236][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.966269][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.966297][ T32] r4:8572c900 [ 1345.966550][ T32] INFO: task kworker/0:194:5439 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1345.966619][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.966685][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.966753][ T32] Call trace: [ 1345.966821][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1345.966919][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1345.966977][ T32] r4:00000000 [ 1345.967019][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.967100][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1345.967148][ T32] dd20: c1e2d000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1345.967188][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1345.967219][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1345.967246][ T32] r5:800d0013 r4:80239bb0 [ 1345.967269][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.967313][ T32] r4:82ac21e4 [ 1345.967342][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.967390][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.967414][ T32] r4:e044ddc0 [ 1345.967437][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.967509][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.967539][ T32] r4:00000000 [ 1345.967564][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.967621][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.967685][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.967737][ T32] r5:00001000 r4:ed353000 [ 1345.967761][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.967806][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.967908][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.967935][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.967988][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.968052][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.968149][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.968180][ T32] r4:84ab5800 [ 1345.968230][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.968292][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.968338][ T32] r4:00000001 [ 1345.968370][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.968438][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.968471][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.968535][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.968577][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.968661][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.968693][ T32] r4:84ab0640 [ 1345.968743][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.968775][ T32] INFO: task kworker/0:195:5442 blocked for more than 472 seconds. [ 1345.968807][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.968875][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.968903][ T32] task:kworker/0:195 state:D stack:0 pid:5442 tgid:5442 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.969000][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.969091][ T32] Call trace: [ 1345.969153][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.969241][ T32] r10:8291a684 r9:ebad9d84 r8:00000002 r7:60000013 r6:ebad9d8c r5:84b12400 ** 4 printk messages dropped ** [ 1345.991369][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 11 printk messages dropped ** [ 1345.992021][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1345.992135][ T32] r5:841dcb8c r4:841dc800 ** 4 printk messages dropped ** [ 1345.992314][ T32] r4:8573b180 ** 3 printk messages dropped ** [ 1345.992626][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1345.993637][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1345.994037][ T32] dd20: c2103000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 2 printk messages dropped ** [ 1345.994439][ T32] r5:800d0013 r4:80239bb0 [ 1345.994509][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.994694][ T32] r4:82ac21e4 [ 1345.994916][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.994970][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1345.995277][ T32] r4:e044ddc0 [ 1345.995360][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1345.995411][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1345.995498][ T32] r4:00000000 [ 1345.995526][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1345.995578][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1345.995631][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1345.995711][ T32] r5:00001000 r4:ed353000 [ 1345.995856][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1345.995935][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.995996][ T32] r5:85c0ff8c r4:85c0fc00 [ 1345.996074][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.996135][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1345.996161][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1345.996247][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.996295][ T32] r4:84ab5800 [ 1345.996319][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1345.996378][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1345.996404][ T32] r4:00000001 [ 1345.996425][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.996462][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1345.996490][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.996559][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.996595][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.996632][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1345.996657][ T32] r4:84ab0640 [ 1345.996679][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.996710][ T32] INFO: task kworker/1:960:5443 blocked for more than 472 seconds. [ 1345.996747][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1345.996790][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.996848][ T32] task:kworker/1:960 state:D stack:0 pid:5443 tgid:5443 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.996935][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.997038][ T32] Call trace: [ 1345.997132][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1345.997191][ T32] r10:8291a684 r9:ebaddd84 r8:00000002 r7:60000013 r6:ebaddd8c r5:84b13000 [ 1345.997243][ T32] r4:84b13000 [ 1345.997275][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1345.997327][ T32] r5:84b13000 r4:8291a680 [ 1345.997357][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.997427][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.997526][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebadde08 [ 1345.997610][ T32] r4:00000000 [ 1345.997672][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1345.997715][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1345.997753][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1345.997857][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1345.998208][ T32] r5:856e278c r4:856e2400 [ 1345.998243][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1345.998328][ T32] r7:ddde2d80 r6:83018200 r5:856e278c r4:8571ee80 ** 3 printk messages dropped ** [ 1345.998510][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1345.998893][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1346.019379][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1346.032760][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1346.032935][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 10 printk messages dropped ** [ 1346.033958][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1346.034579][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1346.034993][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1346.035228][ T32] r4:84b13c00 [ 1346.035250][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.035296][ T32] r5:84b13c00 r4:8291a680 [ 1346.035319][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.035370][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.035416][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebae1e08 [ 1346.035441][ T32] r4:00000000 [ 1346.035463][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.035501][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.035579][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.035663][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857360c0 [ 1346.035727][ T32] r4:00000000 [ 1346.035795][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.035854][ T32] r9:83018205 r8:84b13c00 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 [ 1346.035879][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.035925][ T32] r5:00001000 r4:eb97d000 [ 1346.035971][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.036020][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.036109][ T32] r5:856e2f8c r4:856e2c00 [ 1346.036136][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.036187][ T32] r7:ddde2d80 r6:83018200 r5:856e2f8c r4:8571ef00 [ 1346.036266][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.036343][ T32] r10:61c88647 r9:84b13c00 r8:8571ef2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.036374][ T32] r4:8571ef00 [ 1346.036410][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.036464][ T32] r10:00000000 r9:8571ef00 r8:80287e08 r7:ebadde60 r6:8573b300 r5:84b13c00 [ 1346.036489][ T32] r4:00000001 [ 1346.036553][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.036627][ T32] Exception stack(0xebae1fb0 to 0xebae1ff8) [ 1346.036663][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.036748][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.036812][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.036851][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.036878][ T32] r4:85726c00 [ 1346.037302][ T32] INFO: task kworker/1:961:5445 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.037348][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.037413][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.037571][ T32] Call trace: [ 1346.037783][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.037847][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.037875][ T32] r4:00000000 [ 1346.037896][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.037940][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.037971][ T32] dd20: c27ee000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.038004][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.038060][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.038092][ T32] r5:800d0013 r4:80239bb0 [ 1346.038114][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.038159][ T32] r4:82ac21e4 [ 1346.038180][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.038249][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.038323][ T32] r4:e044ddc0 [ 1346.038362][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.038413][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.038439][ T32] r4:00000000 [ 1346.038461][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.038509][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.038532][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.038576][ T32] r5:00001000 r4:ed353000 [ 1346.038618][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.038685][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.038737][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.038810][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.038867][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.038891][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.038943][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.038992][ T32] r4:84ab5800 [ 1346.039046][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.039102][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.039158][ T32] r4:00000001 [ 1346.039211][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.039268][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.039384][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.063473][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.063530][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1346.063884][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1346.064200][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1346.064884][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1346.065227][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.065503][ T32] r5:856e2b8c r4:856e2800 [ 1346.065533][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.065752][ T32] r7:ddde2d80 r6:83018200 r5:856e2b8c r4:8571ef80 [ 1346.065875][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.065995][ T32] r10:61c88647 r9:84b14800 r8:8571efac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.066057][ T32] r4:8571ef80 [ 1346.066305][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.066372][ T32] r10:00000000 r9:8571ef80 r8:80287e08 r7:ebae1e60 r6:8573b380 r5:84b14800 [ 1346.066658][ T32] r4:00000001 [ 1346.067000][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.067049][ T32] Exception stack(0xebae5fb0 to 0xebae5ff8) [ 1346.067081][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.067112][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.067142][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.067175][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.067214][ T32] r4:85726d40 [ 1346.067753][ T32] INFO: task kworker/1:962:5447 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.067855][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.067926][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.068057][ T32] Call trace: [ 1346.068199][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.068260][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.068317][ T32] r4:00000000 [ 1346.068352][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.068427][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.068493][ T32] dd20: c2cc9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.068578][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.068690][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.068724][ T32] r5:800d0013 r4:80239bb0 [ 1346.068750][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.068834][ T32] r4:82ac21e4 [ 1346.068862][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.068912][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.068966][ T32] r4:e044ddc0 [ 1346.069022][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.069103][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.069134][ T32] r4:00000000 [ 1346.069156][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.069209][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.069233][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.069280][ T32] r5:00001000 r4:ed353000 [ 1346.069366][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.080135][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.080227][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.080285][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.080389][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.080421][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.080482][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.080596][ T32] r4:84ab5800 [ 1346.080718][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.080779][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.080807][ T32] r4:00000001 [ 1346.080831][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.080875][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.080909][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.081028][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.081106][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1346.081321][ T32] task:kworker/1:963 state:D stack:0 pid:5449 tgid:5449 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1346.081915][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1346.082044][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 9 printk messages dropped ** [ 1346.082554][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.082609][ T32] r7:ddde2d80 r6:83018200 r5:856e338c r4:85733000 [ 1346.082632][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.082685][ T32] r10:61c88647 r9:84b16000 r8:8573302c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.082710][ T32] r4:85733000 [ 1346.082747][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.082831][ T32] r10:00000000 r9:85733000 r8:80287e08 r7:ebae1e60 r6:8573b400 r5:84b16000 [ 1346.082881][ T32] r4:00000001 [ 1346.082935][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.082980][ T32] Exception stack(0xebaedfb0 to 0xebaedff8) [ 1346.083011][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.083069][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.083109][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.083145][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.083189][ T32] r4:857361c0 [ 1346.083636][ T32] INFO: task kworker/1:963:5449 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.083739][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.083913][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.084186][ T32] Call trace: [ 1346.084225][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.084285][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.084318][ T32] r4:00000000 [ 1346.084348][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.084439][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.084524][ T32] dd20: c2cc9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.084563][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.084593][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.084785][ T32] r5:800d0013 r4:80239bb0 [ 1346.085774][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.085905][ T32] r4:82ac21e4 [ 1346.085936][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.085987][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.086029][ T32] r4:e044ddc0 [ 1346.086349][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.086420][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.086606][ T32] r4:00000000 [ 1346.086970][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.087049][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.087117][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.087178][ T32] r5:00001000 r4:ed353000 [ 1346.087202][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.087247][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.087294][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.087316][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.087421][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.087453][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.087535][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.087573][ T32] r4:84ab5800 [ 1346.087657][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.088018][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.088058][ T32] r4:00000001 [ 1346.088081][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.088226][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.088262][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.088296][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.088365][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.088404][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.088429][ T32] r4:84ab0640 [ 1346.088450][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.088480][ T32] INFO: task kworker/1:964:5452 blocked for more than 472 seconds. [ 1346.088550][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.088687][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.089355][ T32] task:kworker/1:964 state:D stack:0 pid:5452 tgid:5452 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.114889][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.114976][ T32] Call trace: [ 1346.115014][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.115081][ T32] r10:8291a684 r9:eb9bdd84 r8:00000002 r7:60000113 r6:eb9bdd8c r5:8578bc00 [ 1346.115108][ T32] r4:8578bc00 [ 1346.115130][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.115180][ T32] r5:8578bc00 r4:8291a680 [ 1346.115202][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.115245][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.115312][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9bde08 [ 1346.115356][ T32] r4:00000000 [ 1346.115429][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.115488][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.115551][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.115608][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85736400 [ 1346.115635][ T32] r4:00000000 [ 1346.115658][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.115766][ T32] r9:83018205 r8:8578bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1346.115855][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.115917][ T32] r5:00001000 r4:ebaf3000 [ 1346.115943][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.116002][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1346.116145][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.116204][ T32] r7:ddde2d80 r6:83018200 r5:856e378c r4:85733080 [ 1346.116257][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.116367][ T32] r10:61c88647 r9:8578bc00 r8:857330ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.116399][ T32] r4:85733080 ** 1 printk messages dropped ** [ 1346.116545][ T32] r10:00000000 r9:85733080 r8:80287e08 r7:ebaede60 r6:85733100 r5:8578bc00 ** 4 printk messages dropped ** [ 1346.116736][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1346.117360][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1346.117926][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 2 printk messages dropped ** [ 1346.118053][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 2 printk messages dropped ** [ 1346.118212][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1346.118398][ T32] r4:e044ddc0 ** 2 printk messages dropped ** [ 1346.118547][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1346.118736][ T32] r5:00001000 r4:ed353000 ** 1 printk messages dropped ** [ 1346.118810][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.118856][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.118878][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.118956][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.118987][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.119043][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.119098][ T32] r4:84ab5800 [ 1346.119125][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.119176][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.119214][ T32] r4:00000001 [ 1346.119308][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.133417][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.133537][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.133641][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.133679][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.133760][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.133847][ T32] r4:84ab0640 [ 1346.133880][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.133922][ T32] INFO: task kworker/1:965:5453 blocked for more than 472 seconds. [ 1346.134004][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.134077][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.134212][ T32] task:kworker/1:965 state:D stack:0 pid:5453 tgid:5453 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.134330][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.134447][ T32] Call trace: [ 1346.134485][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.134547][ T32] r10:8291a684 r9:ebad5d84 r8:00000002 r7:60000013 r6:ebad5d8c r5:8578d400 [ 1346.134573][ T32] r4:8578d400 [ 1346.134601][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.134650][ T32] r5:8578d400 r4:8291a680 [ 1346.134673][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.134743][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.134810][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebad5e08 [ 1346.134840][ T32] r4:00000000 [ 1346.134863][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.134903][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.134946][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.135006][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857365c0 [ 1346.135066][ T32] r4:00000000 [ 1346.135126][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.135184][ T32] r9:83018205 r8:8578d400 r7:00000000 r6:83018200 r5:00001000 r4:7f09b000 [ 1346.135211][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.135258][ T32] r5:00001000 r4:ebaff000 [ 1346.135282][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.135326][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.135383][ T32] r5:856e3b8c r4:856e3800 [ 1346.135405][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.135458][ T32] r7:ddde2d80 r6:83018200 r5:856e3b8c r4:85733180 [ 1346.135482][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.135573][ T32] r10:61c88647 r9:8578d400 r8:857331ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.135614][ T32] r4:85733180 [ 1346.135641][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.135731][ T32] r10:00000000 r9:85733180 r8:80287e08 r7:eb9bde60 r6:85733200 r5:8578d400 [ 1346.135771][ T32] r4:00000001 [ 1346.135794][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.135940][ T32] Exception stack(0xebad5fb0 to 0xebad5ff8) [ 1346.135993][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.136054][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.136138][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.136175][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.136238][ T32] r4:85736100 [ 1346.136724][ T32] INFO: task kworker/1:965:5453 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.136855][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.137086][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.137294][ T32] Call trace: [ 1346.137428][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.137595][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.137629][ T32] r4:00000000 [ 1346.138070][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.138561][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.138607][ T32] dd20: c32a5000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.138699][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.138731][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.138758][ T32] r5:800d0013 r4:80239bb0 [ 1346.138782][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.138861][ T32] r4:82ac21e4 [ 1346.138889][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.138938][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.138963][ T32] r4:e044ddc0 [ 1346.138985][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.139030][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.139055][ T32] r4:00000000 [ 1346.139077][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.139127][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.139153][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.139198][ T32] r5:00001000 r4:ed353000 [ 1346.139276][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.160290][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.160447][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.160482][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.160635][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.160685][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.160755][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.160786][ T32] r4:84ab5800 [ 1346.160830][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.160940][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.160973][ T32] r4:00000001 [ 1346.161000][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.161051][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.161091][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.161171][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.161631][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.161738][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.161770][ T32] r4:84ab0640 [ 1346.161837][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.161895][ T32] INFO: task kworker/1:966:5455 blocked for more than 472 seconds. [ 1346.161935][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.161999][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.162032][ T32] task:kworker/1:966 state:D stack:0 pid:5455 tgid:5455 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.162190][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.162279][ T32] Call trace: [ 1346.162338][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.162418][ T32] r10:8291a684 r9:ebaf1d84 r8:00000002 r7:60000113 r6:ebaf1d8c r5:8578e000 [ 1346.162449][ T32] r4:8578e000 [ 1346.162527][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.162582][ T32] r5:8578e000 r4:8291a680 [ 1346.162605][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.162648][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.162694][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebaf1e08 [ 1346.162719][ T32] r4:00000000 [ 1346.162740][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.162817][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.162907][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.162958][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85736700 [ 1346.163011][ T32] r4:00000000 [ 1346.163040][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.163095][ T32] r9:83018205 r8:8578e000 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1346.163120][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.163255][ T32] r5:00001000 r4:ebb0b000 [ 1346.163341][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.163394][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.163442][ T32] r5:856e3f8c r4:856e3c00 [ 1346.163464][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.163543][ T32] r7:ddde2d80 r6:83018200 r5:856e3f8c r4:85733280 [ 1346.163571][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.163629][ T32] r10:61c88647 r9:8578e000 r8:857332ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.163722][ T32] r4:85733280 [ 1346.163748][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.163800][ T32] r10:00000000 r9:85733280 r8:80287e08 r7:ebad5e60 r6:85733300 r5:8578e000 [ 1346.163825][ T32] r4:00000001 [ 1346.163847][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.163886][ T32] Exception stack(0xebaf1fb0 to 0xebaf1ff8) [ 1346.163969][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.164031][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.164068][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.164102][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.164128][ T32] r4:85736440 [ 1346.164671][ T32] INFO: task kworker/1:966:5455 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.164723][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.164872][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.164927][ T32] Call trace: [ 1346.164960][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.165018][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.165043][ T32] r4:00000000 [ 1346.165063][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.165107][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.165139][ T32] dd20: c355a000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.165198][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.165299][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.165336][ T32] r5:800d0013 r4:80239bb0 [ 1346.165363][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.165412][ T32] r4:82ac21e4 [ 1346.165434][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.165496][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.165525][ T32] r4:e044ddc0 [ 1346.165574][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.165658][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.165723][ T32] r4:00000000 [ 1346.165763][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.165833][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.165890][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.165971][ T32] r5:00001000 r4:ed353000 [ 1346.165997][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.166092][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.166153][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.166177][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.166229][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.166253][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.166304][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.166329][ T32] r4:84ab5800 [ 1346.166383][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.166440][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.166466][ T32] r4:00000001 [ 1346.166508][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.166557][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.166592][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.166624][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.166658][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.166692][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.166717][ T32] r4:84ab0640 [ 1346.166743][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.166774][ T32] INFO: task kworker/1:967:5457 blocked for more than 472 seconds. [ 1346.166829][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.166862][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.166886][ T32] task:kworker/1:967 state:D stack:0 pid:5457 tgid:5457 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.166936][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.166982][ T32] Call trace: [ 1346.167032][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.167122][ T32] r10:8291a684 r9:ebb15d84 r8:00000002 r7:60000113 r6:ebb15d8c r5:84b10000 [ 1346.167153][ T32] r4:84b10000 [ 1346.167176][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.167223][ T32] r5:84b10000 r4:8291a680 [ 1346.167331][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.167388][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.167468][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb15e08 [ 1346.167527][ T32] r4:00000000 [ 1346.167553][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.167597][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.167640][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.167714][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85736a80 [ 1346.167771][ T32] r4:00000000 [ 1346.167816][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.167876][ T32] r9:83018205 r8:84b10000 r7:00000000 r6:83018200 r5:00001000 r4:7f011000 [ 1346.167930][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.167983][ T32] r5:00001000 r4:dfadf000 [ 1346.168005][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.168048][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.168101][ T32] r5:856e878c r4:856e8400 [ 1346.168125][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.168175][ T32] r7:ddde2d80 r6:83018200 r5:856e878c r4:85733380 [ 1346.168212][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.168267][ T32] r10:61c88647 r9:84b10000 r8:857333ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.168327][ T32] r4:85733380 [ 1346.168360][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.168411][ T32] r10:00000000 r9:85733380 r8:80287e08 r7:ebaf1e60 r6:8573b480 r5:84b10000 [ 1346.168436][ T32] r4:00000001 [ 1346.168458][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.168496][ T32] Exception stack(0xebb15fb0 to 0xebb15ff8) [ 1346.168581][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.168616][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.168645][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.168677][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.168701][ T32] r4:85736580 [ 1346.168939][ T32] INFO: task kworker/1:967:5457 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 2 printk messages dropped ** [ 1346.169128][ T32] Call trace: [ 1346.169302][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.192135][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.192201][ T32] r4:00000000 [ 1346.192230][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.192304][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.192347][ T32] dd20: c39f5000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.192383][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.192438][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.192471][ T32] r5:800d0013 r4:80239bb0 [ 1346.192515][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.192600][ T32] r4:82ac21e4 [ 1346.192629][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.192679][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.192711][ T32] r4:e044ddc0 [ 1346.192791][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.192842][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.192928][ T32] r4:00000000 [ 1346.192956][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.193013][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.193040][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.193090][ T32] r5:00001000 r4:ed353000 [ 1346.193113][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.193157][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.193204][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.193227][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.193292][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.193321][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.193385][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.193416][ T32] r4:84ab5800 [ 1346.193475][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.193545][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.193576][ T32] r4:00000001 [ 1346.193599][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.193639][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.193668][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.193698][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.193728][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.193760][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.193785][ T32] r4:84ab0640 [ 1346.193813][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.193849][ T32] INFO: task kworker/1:968:5458 blocked for more than 472 seconds. [ 1346.193927][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 2 printk messages dropped ** [ 1346.194136][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1346.194503][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1346.194823][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1346.195159][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1346.195308][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.195506][ T32] r7:ddde2d80 r6:83018200 r5:856e838c r4:85733400 ** 1 printk messages dropped ** [ 1346.195596][ T32] r10:61c88647 r9:84b15400 r8:8573342c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1346.195778][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1346.196217][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1346.196395][ T32] r4:85736580 ** 2 printk messages dropped ** [ 1346.197018][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1346.197248][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 4 printk messages dropped ** [ 1346.197528][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 3 printk messages dropped ** [ 1346.197748][ T32] r4:82ac21e4 ** 1 printk messages dropped ** [ 1346.197819][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 4 printk messages dropped ** [ 1346.198020][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1346.198410][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.198460][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.198510][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.198568][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.198629][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.198700][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.198729][ T32] r4:84ab5800 [ 1346.198789][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.199082][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.199114][ T32] r4:00000001 [ 1346.199137][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.199325][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.213006][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.213071][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.213129][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.213201][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.213232][ T32] r4:84ab0640 [ 1346.213260][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.213316][ T32] INFO: task kworker/1:969:5461 blocked for more than 472 seconds. [ 1346.213365][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.213394][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.213420][ T32] task:kworker/1:969 state:D stack:0 pid:5461 tgid:5461 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.213506][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.213604][ T32] Call trace: [ 1346.213644][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.213710][ T32] r10:8291a684 r9:eb879d84 r8:00000002 r7:60000013 r6:eb879d8c r5:84b16c00 [ 1346.213757][ T32] r4:84b16c00 [ 1346.213784][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.213861][ T32] r5:84b16c00 r4:8291a680 [ 1346.213888][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.213933][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.214032][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb879e08 [ 1346.214063][ T32] r4:00000000 [ 1346.214084][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.214122][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.214163][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.214207][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85736b80 [ 1346.214230][ T32] r4:00000000 [ 1346.214251][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.214357][ T32] r9:83018205 r8:84b16c00 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 [ 1346.214389][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.214465][ T32] r5:00001000 r4:e046b000 [ 1346.214520][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.214574][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.214656][ T32] r5:856e8b8c r4:856e8800 [ 1346.214690][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.214746][ T32] r7:ddde2d80 r6:83018200 r5:856e8b8c r4:85733480 [ 1346.214853][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.214967][ T32] r10:61c88647 r9:84b16c00 r8:857334ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.214997][ T32] r4:85733480 [ 1346.215020][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.215073][ T32] r10:00000000 r9:85733480 r8:80287e08 r7:ebb15e60 r6:8573b580 r5:84b16c00 [ 1346.215098][ T32] r4:00000001 [ 1346.215119][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.215160][ T32] Exception stack(0xeb879fb0 to 0xeb879ff8) [ 1346.215188][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.215219][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.215304][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.215373][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.215486][ T32] r4:85736900 [ 1346.215967][ T32] INFO: task kworker/1:969:5461 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.216018][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.216163][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.216219][ T32] Call trace: [ 1346.216272][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.216341][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.216406][ T32] r4:00000000 [ 1346.216438][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.216483][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.216582][ T32] dd20: c39f5000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.216624][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.216653][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.216703][ T32] r5:800d0013 r4:80239bb0 [ 1346.216730][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.216779][ T32] r4:82ac21e4 [ 1346.216801][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.216860][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.216894][ T32] r4:e044ddc0 [ 1346.216918][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.216965][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.216990][ T32] r4:00000000 [ 1346.217039][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.217131][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.217169][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.217218][ T32] r5:00001000 r4:ed353000 [ 1346.217241][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.217285][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.217332][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.217410][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.217468][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.217493][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.217545][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.217571][ T32] r4:84ab5800 [ 1346.217609][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.217665][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.217690][ T32] r4:00000001 [ 1346.217711][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.217750][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.217778][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.217836][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.217871][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.217903][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.217947][ T32] r4:84ab0640 [ 1346.217974][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.218036][ T32] INFO: task kworker/1:970:5463 blocked for more than 472 seconds. [ 1346.218095][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.218139][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.218178][ T32] task:kworker/1:970 state:D stack:0 pid:5463 tgid:5463 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.218234][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.218325][ T32] Call trace: [ 1346.218416][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.218475][ T32] r10:8291a684 r9:eb89dd84 r8:00000002 r7:60000113 r6:eb89dd8c r5:85678c00 [ 1346.218507][ T32] r4:85678c00 [ 1346.218532][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.218609][ T32] r5:85678c00 r4:8291a680 [ 1346.218654][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.218703][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.218751][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb89de08 [ 1346.218777][ T32] r4:00000000 [ 1346.218798][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.218862][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.218906][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.218951][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85736d00 [ 1346.218975][ T32] r4:00000000 [ 1346.218996][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.219049][ T32] r9:83018205 r8:85678c00 r7:00000000 r6:83018200 r5:00001000 r4:7f02d000 [ 1346.219091][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.219180][ T32] r5:00001000 r4:e46e7000 [ 1346.219205][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.239809][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.239915][ T32] r5:856e8f8c r4:856e8c00 [ 1346.239941][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.239998][ T32] r7:ddde2d80 r6:83018200 r5:856e8f8c r4:85733500 [ 1346.240024][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.240079][ T32] r10:61c88647 r9:85678c00 r8:8573352c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.240152][ T32] r4:85733500 [ 1346.240183][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.240238][ T32] r10:00000000 r9:85733500 r8:80287e08 r7:eb879e60 r6:8573b600 r5:85678c00 [ 1346.240264][ T32] r4:00000001 [ 1346.240286][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.240328][ T32] Exception stack(0xeb89dfb0 to 0xeb89dff8) [ 1346.240372][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.240404][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.240433][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.240531][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.240578][ T32] r4:85736a40 [ 1346.241094][ T32] INFO: task kworker/1:970:5463 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.241146][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.241256][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.241318][ T32] Call trace: [ 1346.241396][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.241460][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.241487][ T32] r4:00000000 [ 1346.241536][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.241618][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.241656][ T32] dd20: c3e0b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.241717][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.241761][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.241819][ T32] r5:800d0013 r4:80239bb0 [ 1346.241846][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.241914][ T32] r4:82ac21e4 [ 1346.241943][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.241997][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.242031][ T32] r4:e044ddc0 [ 1346.242080][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.242136][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.242163][ T32] r4:00000000 [ 1346.242184][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.242270][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.242363][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.242435][ T32] r5:00001000 r4:ed353000 [ 1346.242468][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.242517][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1346.242672][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 2 printk messages dropped ** [ 1346.242834][ T32] r4:84ab5800 [ 1346.242916][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.242973][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.242999][ T32] r4:00000001 [ 1346.243021][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.243059][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.243088][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.243119][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.243147][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.243179][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.243204][ T32] r4:84ab0640 [ 1346.243227][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.243258][ T32] INFO: task kworker/1:971:5465 blocked for more than 472 seconds. [ 1346.243322][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.243363][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.243388][ T32] task:kworker/1:971 state:D stack:0 pid:5465 tgid:5465 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.243439][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.243545][ T32] Call trace: [ 1346.243705][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.243761][ T32] r10:8291a684 r9:eba39d84 r8:00000002 r7:60000113 r6:eba39d8c r5:85780c00 [ 1346.243786][ T32] r4:85780c00 [ 1346.243843][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.243895][ T32] r5:85780c00 r4:8291a680 [ 1346.243917][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.243959][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.244005][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba39e08 [ 1346.244030][ T32] r4:00000000 [ 1346.244052][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.244090][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.244169][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.244219][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85737400 [ 1346.244245][ T32] r4:00000000 [ 1346.244320][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.244419][ T32] r9:83018205 r8:85780c00 r7:00000000 r6:83018200 r5:00001000 r4:7f03d000 [ 1346.244447][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.244494][ T32] r5:00001000 r4:eb2f1000 [ 1346.244561][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.244614][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.244661][ T32] r5:856ea78c r4:856ea400 [ 1346.244683][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.244737][ T32] r7:ddde2d80 r6:83018200 r5:856ea78c r4:85733580 [ 1346.244830][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.244888][ T32] r10:61c88647 r9:85780c00 r8:857335ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.244914][ T32] r4:85733580 [ 1346.244935][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.244984][ T32] r10:00000000 r9:85733580 r8:80287e08 r7:eb89de60 r6:8573b680 r5:85780c00 [ 1346.245011][ T32] r4:00000001 [ 1346.245032][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.245070][ T32] Exception stack(0xeba39fb0 to 0xeba39ff8) [ 1346.245098][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.245201][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.245269][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.245308][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.245367][ T32] r4:857366c0 [ 1346.245639][ T32] INFO: task kworker/1:971:5465 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.245682][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.245827][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.245880][ T32] Call trace: [ 1346.246006][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.246095][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.246144][ T32] r4:00000000 [ 1346.246168][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.246214][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.246244][ T32] dd20: c3e0b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.246276][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.246325][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.246365][ T32] r5:800d0013 r4:80239bb0 [ 1346.246388][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.246468][ T32] r4:82ac21e4 [ 1346.246496][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.246547][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.246589][ T32] r4:e044ddc0 [ 1346.246615][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.246660][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.246684][ T32] r4:00000000 [ 1346.246706][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.246775][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.246834][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.246886][ T32] r5:00001000 r4:ed353000 [ 1346.246927][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.246976][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.247096][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.247122][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.247175][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.247198][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.247248][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.247272][ T32] r4:84ab5800 [ 1346.247293][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.247349][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.247376][ T32] r4:00000001 [ 1346.247413][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.247491][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.247524][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.247557][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.247588][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.247648][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.247677][ T32] r4:84ab0640 [ 1346.247732][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.247765][ T32] INFO: task kworker/1:972:5466 blocked for more than 472 seconds. [ 1346.247815][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.247872][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.247912][ T32] task:kworker/1:972 state:D stack:0 pid:5466 tgid:5466 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.247996][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.248092][ T32] Call trace: [ 1346.248130][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.248182][ T32] r10:8291a684 r9:eba3dd84 r8:00000002 r7:60000113 r6:eba3dd8c r5:85781800 [ 1346.248207][ T32] r4:85781800 [ 1346.248229][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.248302][ T32] r5:85781800 r4:8291a680 [ 1346.248342][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.248393][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.248469][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba3de08 [ 1346.248523][ T32] r4:00000000 [ 1346.248566][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.248616][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.248654][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.248697][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85736e80 [ 1346.248722][ T32] r4:00000000 [ 1346.248767][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.248822][ T32] r9:83018205 r8:85781800 r7:00000000 r6:83018200 r5:00001000 r4:7f02f000 [ 1346.248887][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.248937][ T32] r5:00001000 r4:eaa23000 [ 1346.248988][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.249039][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.249115][ T32] r5:856e938c r4:856e9000 [ 1346.249142][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.249207][ T32] r7:ddde2d80 r6:83018200 r5:856e938c r4:85733600 [ 1346.249340][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.278490][ T32] r10:61c88647 r9:85781800 r8:8573362c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.278578][ T32] r4:85733600 [ 1346.278612][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.278696][ T32] r10:00000000 r9:85733600 r8:80287e08 r7:eba39e60 r6:8573b700 r5:85781800 [ 1346.278723][ T32] r4:00000001 [ 1346.278747][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.278797][ T32] Exception stack(0xeba3dfb0 to 0xeba3dff8) [ 1346.278834][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.278871][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.278908][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.278943][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.278967][ T32] r4:857366c0 [ 1346.279759][ T32] INFO: task kworker/1:972:5466 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.279848][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.279933][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.279997][ T32] Call trace: [ 1346.280034][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.280132][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.280166][ T32] r4:00000000 [ 1346.280224][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.280275][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.280308][ T32] dd20: c41b4000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.280346][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.280408][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.280441][ T32] r5:800d0013 r4:80239bb0 [ 1346.280464][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.280551][ T32] r4:82ac21e4 [ 1346.280635][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.280694][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.280762][ T32] r4:e044ddc0 [ 1346.280871][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.280923][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.280948][ T32] r4:00000000 [ 1346.280985][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.281048][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.281092][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.281219][ T32] r5:00001000 r4:ed353000 [ 1346.281427][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.281493][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.281745][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.281782][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.281839][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.281864][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.281918][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.281943][ T32] r4:84ab5800 [ 1346.281966][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.282174][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.282298][ T32] r4:00000001 [ 1346.282325][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.282373][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.282404][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.282435][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.282465][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.282496][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.282521][ T32] r4:84ab0640 [ 1346.282546][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.282730][ T32] INFO: task kworker/1:973:5468 blocked for more than 472 seconds. [ 1346.282775][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.282921][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.282950][ T32] task:kworker/1:973 state:D stack:0 pid:5468 tgid:5468 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.283006][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.283355][ T32] Call trace: [ 1346.283606][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.283667][ T32] r10:8291a684 r9:eba59d84 r8:00000002 r7:60000113 r6:eba59d8c r5:85780000 [ 1346.283926][ T32] r4:85780000 [ 1346.283955][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.284005][ T32] r5:85780000 r4:8291a680 [ 1346.284030][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.284074][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.284121][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba59e08 [ 1346.284147][ T32] r4:00000000 [ 1346.284169][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.284206][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.284402][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.284455][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85736f80 [ 1346.284491][ T32] r4:00000000 [ 1346.284577][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.284639][ T32] r9:83018205 r8:85780000 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 [ 1346.284663][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.284862][ T32] r5:00001000 r4:eac75000 [ 1346.284891][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.284989][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.285061][ T32] r5:856e978c r4:856e9400 [ 1346.285087][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.285141][ T32] r7:ddde2d80 r6:83018200 r5:856e978c r4:85733680 [ 1346.285166][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.285234][ T32] r10:61c88647 r9:85780000 r8:857336ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.285265][ T32] r4:85733680 [ 1346.285299][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.285534][ T32] r10:00000000 r9:85733680 r8:80287e08 r7:eba39e60 r6:8573b780 r5:85780000 [ 1346.285565][ T32] r4:00000001 [ 1346.285642][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.285731][ T32] Exception stack(0xeba59fb0 to 0xeba59ff8) [ 1346.285782][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.285830][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.285882][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.285929][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.285984][ T32] r4:85736f00 [ 1346.286474][ T32] INFO: task kworker/1:973:5468 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.286531][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.286627][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.286742][ T32] Call trace: [ 1346.286781][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.286868][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.286928][ T32] r4:00000000 [ 1346.286954][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.287028][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.287074][ T32] dd20: c41b4000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.287106][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.287137][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.287167][ T32] r5:800d0013 r4:80239bb0 [ 1346.287189][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.287234][ T32] r4:82ac21e4 [ 1346.287264][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.287313][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.287378][ T32] r4:e044ddc0 [ 1346.287406][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.287455][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.287480][ T32] r4:00000000 [ 1346.287502][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.287552][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.287592][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.287645][ T32] r5:00001000 r4:ed353000 [ 1346.287668][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.287712][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.287758][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.287780][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.287831][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.287876][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.287972][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.288017][ T32] r4:84ab5800 [ 1346.288045][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.288099][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.288123][ T32] r4:00000001 [ 1346.288145][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.288199][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.288234][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.288267][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.288296][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.288328][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.288389][ T32] r4:84ab0640 [ 1346.288416][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.288446][ T32] INFO: task kworker/1:974:5470 blocked for more than 472 seconds. [ 1346.288530][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.288573][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.288602][ T32] task:kworker/1:974 state:D stack:0 pid:5470 tgid:5470 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.288655][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.288704][ T32] Call trace: [ 1346.288737][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.288806][ T32] r10:8291a684 r9:eba75d84 r8:00000002 r7:60000013 r6:eba75d8c r5:85782400 [ 1346.288837][ T32] r4:85782400 [ 1346.288888][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.288940][ T32] r5:85782400 r4:8291a680 [ 1346.288962][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.289003][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.289079][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba75e08 [ 1346.289108][ T32] r4:00000000 [ 1346.289160][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.289203][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.289241][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.323784][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8572cd40 [ 1346.323916][ T32] r4:00000000 [ 1346.323946][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.324037][ T32] r9:83018205 r8:85782400 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 [ 1346.324107][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.324221][ T32] r5:00001000 r4:eae7b000 [ 1346.324250][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.324297][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.324380][ T32] r5:856e9b8c r4:856e9800 [ 1346.324412][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.324477][ T32] r7:ddde2d80 r6:83018200 r5:856e9b8c r4:85733700 [ 1346.324567][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.324641][ T32] r10:61c88647 r9:85782400 r8:8573372c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.324723][ T32] r4:85733700 [ 1346.324756][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.324811][ T32] r10:00000000 r9:85733700 r8:80287e08 r7:eba39e60 r6:8573b800 r5:85782400 [ 1346.324838][ T32] r4:00000001 [ 1346.324861][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.324902][ T32] Exception stack(0xeba75fb0 to 0xeba75ff8) [ 1346.324934][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.324994][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.325148][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.325184][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.325232][ T32] r4:85736dc0 [ 1346.325819][ T32] INFO: task kworker/1:974:5470 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.325878][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.325994][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.326058][ T32] Call trace: [ 1346.326164][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.326225][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.326252][ T32] r4:00000000 [ 1346.326274][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.326318][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.326380][ T32] dd20: c47c2000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.326418][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.326445][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.326471][ T32] r5:800d0013 r4:80239bb0 [ 1346.326493][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.326593][ T32] r4:82ac21e4 [ 1346.326622][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.326697][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.326754][ T32] r4:e044ddc0 [ 1346.326786][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.326848][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.326878][ T32] r4:00000000 [ 1346.326902][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.326952][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.326976][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.327022][ T32] r5:00001000 r4:ed353000 [ 1346.327070][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.327146][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.327198][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.327254][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.327329][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.327417][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.327475][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.327501][ T32] r4:84ab5800 [ 1346.327526][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.327579][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.327635][ T32] r4:00000001 [ 1346.327702][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.327785][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.327851][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.327940][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.328024][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.328068][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.328093][ T32] r4:84ab0640 [ 1346.328117][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.328149][ T32] INFO: task kworker/1:975:5474 blocked for more than 472 seconds. [ 1346.328282][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.328315][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.328343][ T32] task:kworker/1:975 state:D stack:0 pid:5474 tgid:5474 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.328435][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.328593][ T32] Call trace: [ 1346.328710][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.328767][ T32] r10:8291a684 r9:ebb09d84 r8:00000002 r7:60000113 r6:ebb09d8c r5:85783c00 [ 1346.328792][ T32] r4:85783c00 [ 1346.328815][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.328864][ T32] r5:85783c00 r4:8291a680 [ 1346.328885][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.329002][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.329060][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb09e08 [ 1346.329085][ T32] r4:00000000 [ 1346.329106][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.329142][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.329179][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.329276][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857370c0 [ 1346.337723][ T32] r4:00000000 [ 1346.337798][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.337880][ T32] r9:83018205 r8:85783c00 r7:00000000 r6:83018200 r5:00001000 r4:7f039000 [ 1346.337909][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.337962][ T32] r5:00001000 r4:eb0e7000 [ 1346.338011][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.338117][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.338171][ T32] r5:856e9f8c r4:856e9c00 [ 1346.338196][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.338254][ T32] r7:ddde2d80 r6:83018200 r5:856e9f8c r4:85733780 [ 1346.338281][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.338411][ T32] r10:61c88647 r9:85783c00 r8:857337ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.338452][ T32] r4:85733780 [ 1346.338504][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.338563][ T32] r10:00000000 r9:85733780 r8:80287e08 r7:eba39e60 r6:8573b880 r5:85783c00 [ 1346.338599][ T32] r4:00000001 [ 1346.338636][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.338688][ T32] Exception stack(0xebb09fb0 to 0xebb09ff8) [ 1346.338736][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.338805][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.338842][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.338890][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.338920][ T32] r4:848ddc80 [ 1346.339941][ T32] INFO: task kworker/1:975:5474 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.340034][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.340120][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.340236][ T32] Call trace: [ 1346.340281][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.340354][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.340382][ T32] r4:00000000 [ 1346.340448][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.340531][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.340601][ T32] dd20: c47c2000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.340635][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.340664][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.340848][ T32] r5:800d0013 r4:80239bb0 [ 1346.340879][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.340928][ T32] r4:82ac21e4 [ 1346.340952][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.341184][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.341215][ T32] r4:e044ddc0 [ 1346.341237][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.341299][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.341329][ T32] r4:00000000 [ 1346.341353][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.341410][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.341474][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.341528][ T32] r5:00001000 r4:ed353000 [ 1346.341573][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.341635][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.341683][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.341706][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.341758][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.341787][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.341841][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.342049][ T32] r4:84ab5800 [ 1346.342076][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.342128][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.342263][ T32] r4:00000001 [ 1346.342291][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.342332][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.342362][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.342392][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.342436][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.342472][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.342497][ T32] r4:84ab0640 [ 1346.342522][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.342570][ T32] INFO: task kworker/1:976:5476 blocked for more than 472 seconds. [ 1346.342616][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.342644][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.342709][ T32] task:kworker/1:976 state:D stack:0 pid:5476 tgid:5476 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.342766][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.342812][ T32] Call trace: [ 1346.342901][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.342975][ T32] r10:8291a684 r9:eba69d84 r8:00000002 r7:60000113 r6:eba69d8c r5:85784800 [ 1346.343005][ T32] r4:85784800 [ 1346.343045][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.343102][ T32] r5:85784800 r4:8291a680 [ 1346.343136][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.343186][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.343233][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba69e08 [ 1346.343257][ T32] r4:00000000 [ 1346.343278][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.343314][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.343352][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.343395][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85737340 [ 1346.343445][ T32] r4:00000000 [ 1346.343472][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.343536][ T32] r9:83018205 r8:85784800 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 [ 1346.343566][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.343623][ T32] r5:00001000 r4:eb14f000 [ 1346.343666][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.343714][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.343794][ T32] r5:856ea38c r4:856ea000 [ 1346.343820][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.343871][ T32] r7:ddde2d80 r6:83018200 r5:856ea38c r4:85733800 [ 1346.343896][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.343946][ T32] r10:61c88647 r9:85784800 r8:8573382c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.343971][ T32] r4:85733800 [ 1346.343993][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.344040][ T32] r10:00000000 r9:85733800 r8:80287e08 r7:eba39e60 r6:8573b900 r5:85784800 [ 1346.344064][ T32] r4:00000001 [ 1346.344105][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.344176][ T32] Exception stack(0xeba69fb0 to 0xeba69ff8) [ 1346.344267][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.344304][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.344334][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.344365][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.344391][ T32] r4:85737100 [ 1346.344818][ T32] INFO: task kworker/1:976:5476 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.344863][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.344926][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.345027][ T32] Call trace: [ 1346.345066][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.345128][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.345184][ T32] r4:00000000 [ 1346.345210][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.345314][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.345469][ T32] dd20: c47c2000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.345551][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.345589][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.345638][ T32] r5:800d0013 r4:80239bb0 [ 1346.345667][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.345765][ T32] r4:82ac21e4 [ 1346.345793][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.345848][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.345876][ T32] r4:e044ddc0 [ 1346.345930][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.346024][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.346068][ T32] r4:00000000 [ 1346.346139][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.346196][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.346226][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.346275][ T32] r5:00001000 r4:ed353000 [ 1346.346298][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.346341][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.346387][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.346408][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.346458][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.346481][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.346545][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.346578][ T32] r4:84ab5800 [ 1346.346607][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.346661][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.346705][ T32] r4:00000001 [ 1346.346758][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.346829][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.346862][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.346922][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.346962][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.346996][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.347050][ T32] r4:84ab0640 [ 1346.347076][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.347105][ T32] INFO: task kworker/1:977:5479 blocked for more than 472 seconds. [ 1346.347177][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.347213][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.347294][ T32] task:kworker/1:977 state:D stack:0 pid:5479 tgid:5479 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.347379][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.347485][ T32] Call trace: [ 1346.347522][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.347627][ T32] r10:8291a684 r9:ebaa5d84 r8:00000002 r7:60000113 r6:ebaa5d8c r5:85786c00 [ 1346.347658][ T32] r4:85786c00 [ 1346.347682][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.347730][ T32] r5:85786c00 r4:8291a680 [ 1346.347751][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.347792][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.347838][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebaa5e08 [ 1346.347891][ T32] r4:00000000 [ 1346.347917][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.347957][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.348020][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.348099][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85737800 [ 1346.348158][ T32] r4:00000000 [ 1346.348185][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.348237][ T32] r9:83018205 r8:85786c00 r7:00000000 r6:83018200 r5:00001000 r4:7f043000 [ 1346.348260][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.348305][ T32] r5:00001000 r4:eb651000 [ 1346.348347][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.348397][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.348473][ T32] r5:856eb38c r4:856eb000 [ 1346.348526][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.348639][ T32] r7:ddde2d80 r6:83018200 r5:856eb38c r4:85733880 [ 1346.348694][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.348752][ T32] r10:61c88647 r9:85786c00 r8:857338ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.348790][ T32] r4:85733880 [ 1346.348938][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.349044][ T32] r10:00000000 r9:85733880 r8:80287e08 r7:eba39e60 r6:8573b980 r5:85786c00 [ 1346.349075][ T32] r4:00000001 [ 1346.349097][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.349139][ T32] Exception stack(0xebaa5fb0 to 0xebaa5ff8) [ 1346.349199][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.373106][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.373250][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.373300][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.373329][ T32] r4:85737280 [ 1346.373855][ T32] INFO: task kworker/1:977:5479 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.373963][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.374124][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.374219][ T32] Call trace: [ 1346.374322][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.374389][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.374520][ T32] r4:00000000 [ 1346.374548][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.374604][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.374666][ T32] dd20: c4b56000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.374712][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.374810][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.374856][ T32] r5:800d0013 r4:80239bb0 [ 1346.374925][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.374978][ T32] r4:82ac21e4 [ 1346.375002][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.375050][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.375281][ T32] r4:e044ddc0 [ 1346.375518][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.375638][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.375671][ T32] r4:00000000 [ 1346.375838][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.375908][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.375937][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.376079][ T32] r5:00001000 r4:ed353000 [ 1346.376137][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.376200][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.376467][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.376525][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.376691][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.376722][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.376779][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.376810][ T32] r4:84ab5800 [ 1346.376918][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.377403][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.377523][ T32] r4:00000001 [ 1346.377550][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.377628][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.377663][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.377706][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.377778][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.377818][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.377844][ T32] r4:84ab0640 [ 1346.377869][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.377930][ T32] INFO: task kworker/1:978:5480 blocked for more than 472 seconds. [ 1346.378007][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.378054][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.378079][ T32] task:kworker/1:978 state:D stack:0 pid:5480 tgid:5480 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.378134][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.378197][ T32] Call trace: [ 1346.378263][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.378353][ T32] r10:8291a684 r9:ebab1d84 r8:00000002 r7:60000013 r6:ebab1d8c r5:85783000 [ 1346.378383][ T32] r4:85783000 [ 1346.378405][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.378454][ T32] r5:85783000 r4:8291a680 [ 1346.378476][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.378519][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.378567][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebab1e08 [ 1346.378601][ T32] r4:00000000 [ 1346.378623][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.378662][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.378699][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.378771][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85737280 [ 1346.378828][ T32] r4:00000000 [ 1346.378859][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.378937][ T32] r9:83018205 r8:85783000 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000 [ 1346.378966][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.379014][ T32] r5:00001000 r4:eb4a3000 [ 1346.379036][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1346.407276][ T32] r7:ddde2d80 r6:83018200 r5:856eab8c r4:85733900 [ 1346.407335][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.407443][ T32] r10:61c88647 r9:85783000 r8:8573392c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.407477][ T32] r4:85733900 [ 1346.407504][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.407586][ T32] r10:00000000 r9:85733900 r8:80287e08 r7:ebaa5e60 r6:8573ba00 r5:85783000 [ 1346.407618][ T32] r4:00000001 [ 1346.407641][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.407687][ T32] Exception stack(0xebab1fb0 to 0xebab1ff8) [ 1346.407721][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.407754][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.407783][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.407817][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.407843][ T32] r4:85737280 [ 1346.408378][ T32] INFO: task kworker/1:978:5480 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.408426][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.408611][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.408742][ T32] Call trace: [ 1346.409167][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.409234][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.419730][ T32] r4:00000000 [ 1346.419831][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.419918][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.420026][ T32] dd20: c5164000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.420525][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.420607][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.420647][ T32] r5:800d0013 r4:80239bb0 [ 1346.420677][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.421206][ T32] r4:82ac21e4 [ 1346.421238][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.421311][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.421342][ T32] r4:e044ddc0 [ 1346.422614][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.423728][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.423761][ T32] r4:00000000 [ 1346.424563][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.425903][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.426121][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.426207][ T32] r5:00001000 r4:ed353000 [ 1346.426323][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.426387][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.426480][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.426510][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.426572][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.426605][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.426665][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.426872][ T32] r4:84ab5800 [ 1346.427092][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.427209][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.427444][ T32] r4:00000001 [ 1346.427480][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.427524][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.427659][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.427698][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.427874][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.427911][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.427937][ T32] r4:84ab0640 [ 1346.427964][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.428018][ T32] INFO: task kworker/1:979:5482 blocked for more than 472 seconds. [ 1346.428056][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.428105][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.428136][ T32] task:kworker/1:979 state:D stack:0 pid:5482 tgid:5482 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.428202][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.428806][ T32] Call trace: [ 1346.450746][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.450861][ T32] r10:8291a684 r9:ebb1dd84 r8:00000002 r7:60000013 r6:ebb1dd8c r5:85068000 [ 1346.450891][ T32] r4:85068000 [ 1346.450914][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 1 printk messages dropped ** [ 1346.450986][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 5 printk messages dropped ** [ 1346.451285][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1346.451472][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1346.451601][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.451648][ T32] r5:856eaf8c r4:856eac00 [ 1346.451712][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.451772][ T32] r7:ddde2d80 r6:83018200 r5:856eaf8c r4:85733980 [ 1346.451796][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.451850][ T32] r10:61c88647 r9:85068000 r8:857339ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.451873][ T32] r4:85733980 [ 1346.451895][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.451944][ T32] r10:00000000 r9:85733980 r8:80287e08 r7:ebaa5e60 r6:8573ba80 r5:85068000 [ 1346.451968][ T32] r4:00000001 [ 1346.451989][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.452055][ T32] Exception stack(0xebb1dfb0 to 0xebb1dff8) [ 1346.452108][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.452142][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.452177][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.452213][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.452239][ T32] r4:85737440 [ 1346.452987][ T32] INFO: task kworker/1:979:5482 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.453082][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.453467][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.453599][ T32] Call trace: [ 1346.453778][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.453927][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.453987][ T32] r4:00000000 [ 1346.454036][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.454131][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.454202][ T32] dd20: c53e9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.454268][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.454322][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.454390][ T32] r5:800d0013 r4:80239bb0 [ 1346.454477][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.454679][ T32] r4:82ac21e4 [ 1346.454757][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.454989][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.455051][ T32] r4:e044ddc0 [ 1346.455246][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.455355][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.455413][ T32] r4:00000000 [ 1346.455550][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.455663][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.455717][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.455803][ T32] r5:00001000 r4:ed353000 [ 1346.455847][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.456048][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.456191][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.456244][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.456463][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.456547][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.456658][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.456712][ T32] r4:84ab5800 [ 1346.456758][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.456939][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.456999][ T32] r4:00000001 [ 1346.457042][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.457116][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.457218][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.457292][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.457454][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.457638][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.457696][ T32] r4:84ab0640 [ 1346.457742][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.457804][ T32] INFO: task kworker/1:980:5484 blocked for more than 472 seconds. [ 1346.457874][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.457966][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.458067][ T32] task:kworker/1:980 state:D stack:0 pid:5484 tgid:5484 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.458180][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.458466][ T32] Call trace: [ 1346.458539][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.458604][ T32] r10:8291a684 r9:ebb25d84 r8:00000002 r7:60000113 r6:ebb25d8c r5:85069800 [ 1346.458631][ T32] r4:85069800 [ 1346.458654][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.458702][ T32] r5:85069800 r4:8291a680 [ 1346.458763][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.458909][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.459002][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb25e08 [ 1346.459035][ T32] r4:00000000 [ 1346.459059][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.459101][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.459141][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.459199][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85737940 [ 1346.459257][ T32] r4:00000000 [ 1346.459346][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.459541][ T32] r9:83018205 r8:85069800 r7:00000000 r6:83018200 r5:00001000 r4:7f045000 [ 1346.486294][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.486419][ T32] r5:00001000 r4:eb681000 [ 1346.486488][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.486548][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.486599][ T32] r5:856eb78c r4:856eb400 ** 1 printk messages dropped ** [ 1346.486675][ T32] r7:ddde2d80 r6:83018200 r5:856eb78c r4:85733a00 [ 1346.486699][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.486751][ T32] r10:61c88647 r9:85069800 r8:85733a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.486776][ T32] r4:85733a00 [ 1346.486799][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.486908][ T32] r10:00000000 r9:85733a00 r8:80287e08 r7:ebaa5e60 r6:8573bb00 r5:85069800 [ 1346.486941][ T32] r4:00000001 [ 1346.486963][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.487005][ T32] Exception stack(0xebb25fb0 to 0xebb25ff8) [ 1346.487142][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.487238][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.487272][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.487306][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.487331][ T32] r4:85737540 [ 1346.487776][ T32] INFO: task kworker/1:980:5484 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.487856][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.488236][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.488297][ T32] Call trace: [ 1346.488376][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.488602][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.488874][ T32] r4:00000000 [ 1346.488902][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.488952][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.488984][ T32] dd20: c57f5000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.489015][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.489044][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.489070][ T32] r5:800d0013 r4:80239bb0 [ 1346.489092][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.489200][ T32] r4:82ac21e4 [ 1346.489263][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.502293][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.502353][ T32] r4:e044ddc0 [ 1346.502419][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.502499][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.502527][ T32] r4:00000000 [ 1346.502549][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.502605][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.502631][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.502682][ T32] r5:00001000 r4:ed353000 [ 1346.502705][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.502750][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.502800][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.502823][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.502876][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.502900][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.502952][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.502977][ T32] r4:84ab5800 [ 1346.502999][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.503112][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.503325][ T32] r4:00000001 [ 1346.503358][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.503553][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.503877][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.503916][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.504112][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.504150][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.504175][ T32] r4:84ab0640 [ 1346.504202][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.504237][ T32] INFO: task kworker/1:981:5487 blocked for more than 472 seconds. [ 1346.504275][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.504303][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.504328][ T32] task:kworker/1:981 state:D stack:0 pid:5487 tgid:5487 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.504757][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.504814][ T32] Call trace: [ 1346.504851][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.504910][ T32] r10:8291a684 r9:ebb31d84 r8:00000002 r7:60000013 r6:ebb31d8c r5:85068c00 [ 1346.504935][ T32] r4:85068c00 [ 1346.504958][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.505007][ T32] r5:85068c00 r4:8291a680 [ 1346.505029][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.505149][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.505202][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb31e08 [ 1346.505228][ T32] r4:00000000 [ 1346.505249][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.505287][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.505355][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.505409][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85737c00 [ 1346.505435][ T32] r4:00000000 [ 1346.505457][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.505552][ T32] r9:83018205 r8:85068c00 r7:00000000 r6:83018200 r5:00001000 r4:7f049000 [ 1346.505621][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.505674][ T32] r5:00001000 r4:eb79b000 [ 1346.505722][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.505850][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.505904][ T32] r5:856ebf8c r4:856ebc00 [ 1346.505928][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.505979][ T32] r7:ddde2d80 r6:83018200 r5:856ebf8c r4:85733a80 [ 1346.506060][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.506119][ T32] r10:61c88647 r9:85068c00 r8:85733aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.506144][ T32] r4:85733a80 [ 1346.506182][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.506238][ T32] r10:00000000 r9:85733a80 r8:80287e08 r7:ebb25e60 r6:8573bb80 r5:85068c00 [ 1346.506264][ T32] r4:00000001 [ 1346.506286][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.506349][ T32] Exception stack(0xebb31fb0 to 0xebb31ff8) [ 1346.506384][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.506416][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.507254][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.507295][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.507381][ T32] r4:857377c0 [ 1346.507833][ T32] INFO: task kworker/1:981:5487 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.508031][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.508516][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.508576][ T32] Call trace: [ 1346.508611][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.508669][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.508696][ T32] r4:00000000 [ 1346.508717][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.508760][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.509004][ T32] dd20: c5ad4000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.509040][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.509407][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.537149][ T32] r5:800d0013 r4:80239bb0 [ 1346.537249][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.537326][ T32] r4:82ac21e4 [ 1346.537361][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.537412][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.537438][ T32] r4:e044ddc0 [ 1346.537460][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.537505][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.537530][ T32] r4:00000000 [ 1346.537552][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.537603][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.537628][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.537681][ T32] r5:00001000 r4:ed353000 [ 1346.537749][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.537829][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.537926][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.537997][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.538066][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.538091][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.538151][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.538201][ T32] r4:84ab5800 [ 1346.538340][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.538659][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.538722][ T32] r4:00000001 [ 1346.538806][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.538907][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.538982][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.539106][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.539206][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.540948][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.541047][ T32] r4:84ab0640 [ 1346.541110][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.541205][ T32] INFO: task kworker/1:982:5489 blocked for more than 472 seconds. [ 1346.541285][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.541350][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.541413][ T32] task:kworker/1:982 state:D stack:0 pid:5489 tgid:5489 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.541599][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.541773][ T32] Call trace: [ 1346.541894][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.542012][ T32] r10:8291a684 r9:ebb39d84 r8:00000002 r7:60000113 r6:ebb39d8c r5:8506c800 [ 1346.542086][ T32] r4:8506c800 [ 1346.542142][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.542375][ T32] r5:8506c800 r4:8291a680 [ 1346.542436][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.542518][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.542605][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb39e08 [ 1346.542679][ T32] r4:00000000 [ 1346.542741][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.542814][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.542920][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.543029][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85737a40 [ 1346.543085][ T32] r4:00000000 [ 1346.543127][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.543215][ T32] r9:83018205 r8:8506c800 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1346.543281][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.543375][ T32] r5:00001000 r4:eb6e5000 [ 1346.543427][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.543515][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.543602][ T32] r5:856ebb8c r4:856eb800 [ 1346.543657][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.543757][ T32] r7:ddde2d80 r6:83018200 r5:856ebb8c r4:85733b00 [ 1346.543806][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.543906][ T32] r10:61c88647 r9:8506c800 r8:85733b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.543956][ T32] r4:85733b00 [ 1346.543998][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.544092][ T32] r10:00000000 r9:85733b00 r8:80287e08 r7:ebb31e60 r6:8573bc00 r5:8506c800 [ 1346.544169][ T32] r4:00000001 [ 1346.544221][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.544325][ T32] Exception stack(0xebb39fb0 to 0xebb39ff8) [ 1346.544400][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.544464][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.544552][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.544616][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.544676][ T32] r4:85737980 [ 1346.545404][ T32] INFO: task kworker/1:982:5489 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.545517][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.545686][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.545792][ T32] Call trace: [ 1346.545859][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.545965][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.546023][ T32] r4:00000000 [ 1346.546070][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.546177][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.546268][ T32] dd20: c6002000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.546353][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.546438][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.546526][ T32] r5:800d0013 r4:80239bb0 [ 1346.546582][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.546684][ T32] r4:82ac21e4 [ 1346.546750][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.546868][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.546931][ T32] r4:e044ddc0 [ 1346.547004][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.547112][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.547166][ T32] r4:00000000 [ 1346.547209][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.547312][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.547364][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.547462][ T32] r5:00001000 r4:ed353000 [ 1346.547511][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.547630][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.547733][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.547783][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.547889][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.547941][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.548065][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.548121][ T32] r4:84ab5800 [ 1346.548165][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.548333][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.548396][ T32] r4:00000001 [ 1346.548464][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.548583][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.548659][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.548727][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.548810][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.548889][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.548946][ T32] r4:84ab0640 [ 1346.549026][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.549103][ T32] INFO: task kworker/1:983:5490 blocked for more than 472 seconds. [ 1346.549173][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.575518][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.575744][ T32] task:kworker/1:983 state:D stack:0 pid:5490 tgid:5490 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.575915][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.576059][ T32] Call trace: [ 1346.576177][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.576308][ T32] r10:8291a684 r9:ebb3dd84 r8:00000002 r7:60000113 r6:ebb3dd8c r5:8506b000 [ 1346.576366][ T32] r4:8506b000 [ 1346.576418][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.576567][ T32] r5:8506b000 r4:8291a680 [ 1346.576649][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.576762][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.576868][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb3de08 [ 1346.576925][ T32] r4:00000000 [ 1346.576973][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.577080][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.577193][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.577293][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8507c040 [ 1346.577347][ T32] r4:00000000 [ 1346.577397][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.577501][ T32] r9:83018205 r8:8506b000 r7:00000000 r6:83018200 r5:00001000 r4:7f04f000 [ 1346.577553][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.577654][ T32] r5:00001000 r4:eb835000 [ 1346.577703][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.577818][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.577925][ T32] r5:856ecb8c r4:856ec800 [ 1346.577978][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.578091][ T32] r7:ddde2d80 r6:83018200 r5:856ecb8c r4:85733b80 [ 1346.578162][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.578275][ T32] r10:61c88647 r9:8506b000 r8:85733bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.578364][ T32] r4:85733b80 [ 1346.578419][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.578529][ T32] r10:00000000 r9:85733b80 r8:80287e08 r7:ebb31e60 r6:8573bc80 r5:8506b000 [ 1346.578584][ T32] r4:00000001 [ 1346.578639][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.578724][ T32] Exception stack(0xebb3dfb0 to 0xebb3dff8) [ 1346.578789][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.578855][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.579075][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.579154][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.579209][ T32] r4:85737840 [ 1346.591015][ T32] INFO: task kworker/1:983:5490 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.591290][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 1 printk messages dropped ** [ 1346.591691][ T32] Call trace: [ 1346.591773][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.591902][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.591960][ T32] r4:00000000 [ 1346.592052][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.592159][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.592257][ T32] dd20: c621c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.592335][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.592426][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.592493][ T32] r5:800d0013 r4:80239bb0 [ 1346.592576][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.592710][ T32] r4:82ac21e4 [ 1346.592767][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.592889][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.592954][ T32] r4:e044ddc0 [ 1346.593003][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.593103][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.593161][ T32] r4:00000000 [ 1346.593233][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.593345][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.593399][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.593515][ T32] r5:00001000 r4:ed353000 [ 1346.593565][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.593683][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.593803][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.593858][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.593958][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.594009][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.594111][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.594161][ T32] r4:84ab5800 [ 1346.594205][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.594301][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.594353][ T32] r4:00000001 [ 1346.594428][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.594568][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.594646][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.594718][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.594783][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.594855][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.594910][ T32] r4:84ab0640 [ 1346.594967][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.595036][ T32] INFO: task kworker/1:984:5492 blocked for more than 473 seconds. [ 1346.595115][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.595178][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.595266][ T32] task:kworker/1:984 state:D stack:0 pid:5492 tgid:5492 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.595408][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.595510][ T32] Call trace: [ 1346.595668][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.595813][ T32] r10:8291a684 r9:ebafdd84 r8:00000002 r7:60000113 r6:ebafdd8c r5:85790000 [ 1346.595874][ T32] r4:85790000 [ 1346.595925][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.596029][ T32] r5:85790000 r4:8291a680 [ 1346.596077][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.596191][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.596292][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebafde08 [ 1346.596343][ T32] r4:00000000 [ 1346.596410][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.596498][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.596608][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.596719][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85737d00 [ 1346.596794][ T32] r4:00000000 [ 1346.596850][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.596951][ T32] r9:83018205 r8:85790000 r7:00000000 r6:83018200 r5:00001000 r4:7f04b000 [ 1346.597031][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.597126][ T32] r5:00001000 r4:eb7ff000 [ 1346.597194][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.597288][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.597384][ T32] r5:856ec38c r4:856ec000 [ 1346.597431][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.597529][ T32] r7:ddde2d80 r6:83018200 r5:856ec38c r4:85733c00 [ 1346.597599][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.597719][ T32] r10:61c88647 r9:85790000 r8:85733c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.597777][ T32] r4:85733c00 [ 1346.597825][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.597922][ T32] r10:00000000 r9:85733c00 r8:80287e08 r7:ebb3de60 r6:85733c80 r5:85790000 [ 1346.598009][ T32] r4:00000001 [ 1346.598065][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.598224][ T32] Exception stack(0xebafdfb0 to 0xebafdff8) [ 1346.598356][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.598435][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.598510][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.598579][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.598643][ T32] r4:85737a80 [ 1346.599168][ T32] INFO: task kworker/1:984:5492 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.599312][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.630857][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.631063][ T32] Call trace: [ 1346.631156][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.631292][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.631357][ T32] r4:00000000 [ 1346.631432][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.631553][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.631645][ T32] dd20: c63e8000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.631733][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.631798][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.631855][ T32] r5:800d0013 r4:80239bb0 [ 1346.631920][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.632020][ T32] r4:82ac21e4 [ 1346.632070][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.632190][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.632256][ T32] r4:e044ddc0 [ 1346.632378][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.632495][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.632586][ T32] r4:00000000 [ 1346.632644][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.632749][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.632826][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.632930][ T32] r5:00001000 r4:ed353000 [ 1346.632978][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.633071][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.633222][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.633296][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.633438][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.633500][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.633601][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.633661][ T32] r4:84ab5800 [ 1346.633707][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.633806][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.633858][ T32] r4:00000001 [ 1346.633928][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.634027][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.634092][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.634156][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.634218][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.634287][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.634338][ T32] r4:84ab0640 [ 1346.634395][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.634466][ T32] INFO: task kworker/0:196:5494 blocked for more than 473 seconds. [ 1346.634538][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.634598][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.634660][ T32] task:kworker/0:196 state:D stack:0 pid:5494 tgid:5494 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.634773][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.634877][ T32] Call trace: [ 1346.634957][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.635068][ T32] r10:8291a684 r9:ebb45d84 r8:00000002 r7:60000113 r6:ebb45d8c r5:85792400 [ 1346.635149][ T32] r4:85792400 [ 1346.635208][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.635306][ T32] r5:85792400 r4:8291a680 [ 1346.635357][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.635450][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.635543][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb45e08 [ 1346.635598][ T32] r4:00000000 [ 1346.635678][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.635783][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.635867][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.635986][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850b4c80 [ 1346.636052][ T32] r4:00000000 [ 1346.636105][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.636210][ T32] r9:83018005 r8:85792400 r7:00000000 r6:83018000 r5:00001000 r4:7f0a9000 [ 1346.636264][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.636372][ T32] r5:00001000 r4:ebbd7000 [ 1346.636471][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.636644][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.636745][ T32] r5:841dcf8c r4:841dcc00 [ 1346.636811][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.636920][ T32] r7:dddced80 r6:83018000 r5:841dcf8c r4:8573bd00 [ 1346.636971][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.637074][ T32] r10:61c88647 r9:85792400 r8:8573bd2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1346.637124][ T32] r4:8573bd00 [ 1346.637188][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.637291][ T32] r10:00000000 r9:8573bd00 r8:80287e08 r7:ebad9e60 r6:85733d00 r5:85792400 [ 1346.637358][ T32] r4:00000001 [ 1346.637410][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.637507][ T32] Exception stack(0xebb45fb0 to 0xebb45ff8) [ 1346.637637][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.637731][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.637836][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.637921][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.637978][ T32] r4:850ba340 [ 1346.638752][ T32] INFO: task kworker/0:196:5494 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.638866][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.639011][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.639142][ T32] Call trace: [ 1346.639289][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.669156][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.669328][ T32] r4:00000000 [ 1346.669837][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.669930][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.669970][ T32] dd20: c65ae000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.670005][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.670034][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.670063][ T32] r5:800d0013 r4:80239bb0 [ 1346.670105][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.670171][ T32] r4:82ac21e4 [ 1346.670196][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.670244][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.670269][ T32] r4:e044ddc0 [ 1346.670291][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.670366][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.670427][ T32] r4:00000000 [ 1346.670455][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.670522][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.670552][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.670632][ T32] r5:00001000 r4:ed353000 [ 1346.670665][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.670713][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.670760][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.670858][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.670918][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.670942][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.671001][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.671044][ T32] r4:84ab5800 [ 1346.671079][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.671161][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.671196][ T32] r4:00000001 [ 1346.671221][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.671282][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.671372][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.671463][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.671497][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.671552][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.671594][ T32] r4:84ab0640 [ 1346.671636][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.671689][ T32] INFO: task kworker/1:985:5496 blocked for more than 473 seconds. [ 1346.671750][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.671782][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.671837][ T32] task:kworker/1:985 state:D stack:0 pid:5496 tgid:5496 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.671909][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.671991][ T32] Call trace: [ 1346.672074][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.672135][ T32] r10:8291a684 r9:eba81d84 r8:00000002 r7:60000013 r6:eba81d8c r5:85793c00 [ 1346.672202][ T32] r4:85793c00 [ 1346.672229][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.672278][ T32] r5:85793c00 r4:8291a680 [ 1346.672299][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.672342][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.672430][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba81e08 [ 1346.672460][ T32] r4:00000000 [ 1346.672530][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.672625][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.672707][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.672806][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85737e40 [ 1346.672864][ T32] r4:00000000 [ 1346.672928][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.673031][ T32] r9:83018205 r8:85793c00 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 [ 1346.673084][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.673176][ T32] r5:00001000 r4:eb815000 [ 1346.673225][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.673316][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.673443][ T32] r5:856ec78c r4:856ec400 [ 1346.673576][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.673721][ T32] r7:ddde2d80 r6:83018200 r5:856ec78c r4:85733d80 [ 1346.673777][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.673880][ T32] r10:61c88647 r9:85793c00 r8:85733dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.673936][ T32] r4:85733d80 [ 1346.674026][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.674135][ T32] r10:00000000 r9:85733d80 r8:80287e08 r7:ebb3de60 r6:85733e00 r5:85793c00 [ 1346.674188][ T32] r4:00000001 [ 1346.674259][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.674338][ T32] Exception stack(0xeba81fb0 to 0xeba81ff8) [ 1346.674400][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.674438][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.674468][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.674500][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.674526][ T32] r4:85737cc0 [ 1346.674976][ T32] INFO: task kworker/1:985:5496 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.675020][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.675118][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.675198][ T32] Call trace: [ 1346.675244][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.675304][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.675342][ T32] r4:00000000 [ 1346.675364][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.675407][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.675443][ T32] dd20: c65ae000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.675477][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.675594][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.675636][ T32] r5:800d0013 r4:80239bb0 [ 1346.675660][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.675713][ T32] r4:82ac21e4 [ 1346.675771][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.675824][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.675851][ T32] r4:e044ddc0 [ 1346.675873][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.675919][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.675943][ T32] r4:00000000 [ 1346.675965][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.676014][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.676040][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.676087][ T32] r5:00001000 r4:ed353000 [ 1346.676109][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.676153][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.676205][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.676230][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.676282][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.676307][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.676359][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.676385][ T32] r4:84ab5800 [ 1346.676408][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.676459][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.676595][ T32] r4:00000001 [ 1346.676657][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.676703][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.676733][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.676798][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.676888][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.676926][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.677020][ T32] r4:84ab0640 [ 1346.677050][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.677081][ T32] INFO: task kworker/1:986:5497 blocked for more than 473 seconds. [ 1346.677114][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.677173][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.677207][ T32] task:kworker/1:986 state:D stack:0 pid:5497 tgid:5497 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.677426][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.677660][ T32] Call trace: [ 1346.677916][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.677976][ T32] r10:8291a684 r9:ebb49d84 r8:00000002 r7:60000113 r6:ebb49d8c r5:85794800 [ 1346.678003][ T32] r4:85794800 [ 1346.678031][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.678084][ T32] r5:85794800 r4:8291a680 [ 1346.678106][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.678148][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.678194][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb49e08 [ 1346.678338][ T32] r4:00000000 [ 1346.678368][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.678409][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.678447][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.678524][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8507c300 [ 1346.678555][ T32] r4:00000000 [ 1346.678593][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.678685][ T32] r9:83018205 r8:85794800 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 [ 1346.678749][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.678801][ T32] r5:00001000 r4:eb85d000 [ 1346.678824][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.678870][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.678917][ T32] r5:856ecf8c r4:856ecc00 [ 1346.678972][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.679086][ T32] r7:ddde2d80 r6:83018200 r5:856ecf8c r4:85733e80 [ 1346.679140][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.679248][ T32] r10:61c88647 r9:85794800 r8:85733eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.710093][ T32] r4:85733e80 [ 1346.710226][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.710326][ T32] r10:00000000 r9:85733e80 r8:80287e08 r7:ebb3de60 r6:85733f00 r5:85794800 [ 1346.710354][ T32] r4:00000001 [ 1346.710392][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.710472][ T32] Exception stack(0xebb49fb0 to 0xebb49ff8) [ 1346.710535][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.710579][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.710671][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.710713][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.710740][ T32] r4:85737cc0 [ 1346.711263][ T32] INFO: task kworker/1:986:5497 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.711315][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.711425][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.711545][ T32] Call trace: [ 1346.711588][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.711696][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.711784][ T32] r4:00000000 [ 1346.711839][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.711900][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.711961][ T32] dd20: c6b53000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.711999][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.712030][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.712058][ T32] r5:800d0013 r4:80239bb0 [ 1346.712110][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.712164][ T32] r4:82ac21e4 [ 1346.712276][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.712378][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.712431][ T32] r4:e044ddc0 [ 1346.712478][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.712611][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.712689][ T32] r4:00000000 [ 1346.712744][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.712851][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.712926][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.713029][ T32] r5:00001000 r4:ed353000 [ 1346.713076][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.713172][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.713271][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.713322][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.713460][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.713527][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.713652][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.713709][ T32] r4:84ab5800 [ 1346.713755][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.713862][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.713917][ T32] r4:00000001 [ 1346.713962][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.714044][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.714127][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.714194][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.714228][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.714260][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.714317][ T32] r4:84ab0640 [ 1346.714372][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.714440][ T32] INFO: task kworker/1:987:5500 blocked for more than 473 seconds. [ 1346.714611][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.714855][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.714884][ T32] task:kworker/1:987 state:D stack:0 pid:5500 tgid:5500 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.714970][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.715024][ T32] Call trace: [ 1346.715133][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.715218][ T32] r10:8291a684 r9:ebb4dd84 r8:00000002 r7:60000113 r6:ebb4dd8c r5:85796000 [ 1346.715304][ T32] r4:85796000 [ 1346.715348][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.715414][ T32] r5:85796000 r4:8291a680 [ 1346.715441][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.715551][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.715721][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb4de08 [ 1346.715752][ T32] r4:00000000 [ 1346.715782][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.715859][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.715934][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.715986][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8507c600 [ 1346.716017][ T32] r4:00000000 [ 1346.716039][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.716088][ T32] r9:83018205 r8:85796000 r7:00000000 r6:83018200 r5:00001000 r4:7f055000 [ 1346.716128][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.716179][ T32] r5:00001000 r4:eba0d000 [ 1346.716207][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.716252][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.716338][ T32] r5:856ed78c r4:856ed400 [ 1346.716371][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.716456][ T32] r7:ddde2d80 r6:83018200 r5:856ed78c r4:85733f80 [ 1346.716538][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.716619][ T32] r10:61c88647 r9:85796000 r8:85733fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.716646][ T32] r4:85733f80 [ 1346.716668][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.716721][ T32] r10:00000000 r9:85733f80 r8:80287e08 r7:ebb49e60 r6:85070000 r5:85796000 [ 1346.716745][ T32] r4:00000001 [ 1346.716766][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.716834][ T32] Exception stack(0xebb4dfb0 to 0xebb4dff8) [ 1346.716902][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.716972][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.717044][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.717117][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.717172][ T32] r4:8507c200 [ 1346.717692][ T32] INFO: task kworker/1:987:5500 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.717777][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.717927][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.718042][ T32] Call trace: [ 1346.718080][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.718138][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.718163][ T32] r4:00000000 [ 1346.718201][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.718276][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.718356][ T32] dd20: c6b53000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.718448][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.718520][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.718571][ T32] r5:800d0013 r4:80239bb0 [ 1346.718619][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.718672][ T32] r4:82ac21e4 [ 1346.718695][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.718741][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.718792][ T32] r4:e044ddc0 [ 1346.718845][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.718924][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.718994][ T32] r4:00000000 [ 1346.719052][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.719108][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.719133][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.719182][ T32] r5:00001000 r4:ed353000 [ 1346.719234][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.745926][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.746041][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.746097][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.746188][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.746223][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.746294][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.746332][ T32] r4:84ab5800 [ 1346.746358][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.746445][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.746476][ T32] r4:00000001 [ 1346.746499][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.746542][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.746576][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.746613][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.746671][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.746710][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.746751][ T32] r4:84ab0640 [ 1346.746781][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.746817][ T32] INFO: task kworker/1:988:5502 blocked for more than 473 seconds. [ 1346.746855][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.746911][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.746942][ T32] task:kworker/1:988 state:D stack:0 pid:5502 tgid:5502 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.747009][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.747083][ T32] Call trace: [ 1346.747128][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.747188][ T32] r10:8291a684 r9:ebb41d84 r8:00000002 r7:60000113 r6:ebb41d8c r5:85795400 [ 1346.747213][ T32] r4:85795400 [ 1346.747236][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.747282][ T32] r5:85795400 r4:8291a680 [ 1346.747305][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.747349][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.747401][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb41e08 [ 1346.747428][ T32] r4:00000000 [ 1346.747450][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.747502][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.747555][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.747627][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8507c500 [ 1346.747660][ T32] r4:00000000 [ 1346.747683][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.747755][ T32] r9:83018205 r8:85795400 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 [ 1346.747785][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.747833][ T32] r5:00001000 r4:eb893000 [ 1346.747883][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.747931][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.748010][ T32] r5:856ed38c r4:856ed000 [ 1346.748040][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.748135][ T32] r7:ddde2d80 r6:83018200 r5:856ed38c r4:85070080 [ 1346.748189][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.748273][ T32] r10:61c88647 r9:85795400 r8:850700ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.748302][ T32] r4:85070080 [ 1346.748351][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.748434][ T32] r10:00000000 r9:85070080 r8:80287e08 r7:ebb4de60 r6:85070100 r5:85795400 [ 1346.748463][ T32] r4:00000001 [ 1346.748487][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.748573][ T32] Exception stack(0xebb41fb0 to 0xebb41ff8) [ 1346.748612][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.748645][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.748674][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.748707][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.748731][ T32] r4:8507c380 [ 1346.749287][ T32] INFO: task kworker/1:988:5502 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.755091][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.755215][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.755331][ T32] Call trace: [ 1346.755419][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.755525][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.755606][ T32] r4:00000000 [ 1346.755642][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.755704][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.755757][ T32] dd20: c6ec6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.755794][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.755822][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.755849][ T32] r5:800d0013 r4:80239bb0 [ 1346.755873][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.755920][ T32] r4:82ac21e4 [ 1346.755942][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.755988][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.756013][ T32] r4:e044ddc0 [ 1346.756035][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.756093][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.756124][ T32] r4:00000000 [ 1346.756149][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.756304][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.756393][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.756446][ T32] r5:00001000 r4:ed353000 [ 1346.756470][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.756561][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.756620][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.756645][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.756726][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.756845][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.756905][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.756932][ T32] r4:84ab5800 [ 1346.756955][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.757005][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.757029][ T32] r4:00000001 [ 1346.757143][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.757263][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.757389][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.757469][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.757637][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.757676][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.757704][ T32] r4:84ab0640 [ 1346.757729][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.757761][ T32] INFO: task kworker/1:989:5504 blocked for more than 473 seconds. [ 1346.757797][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.757830][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.757959][ T32] task:kworker/1:989 state:D stack:0 pid:5504 tgid:5504 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.758076][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.758217][ T32] Call trace: [ 1346.758252][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.758332][ T32] r10:8291a684 r9:ebb59d84 r8:00000002 r7:60000113 r6:ebb59d8c r5:8506ec00 [ 1346.758360][ T32] r4:8506ec00 [ 1346.758486][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.758581][ T32] r5:8506ec00 r4:8291a680 [ 1346.758664][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.758754][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.758802][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb59e08 [ 1346.758856][ T32] r4:00000000 [ 1346.758888][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.758934][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.759012][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.759063][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8507cb80 [ 1346.759087][ T32] r4:00000000 [ 1346.759108][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.759197][ T32] r9:83018205 r8:8506ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f05d000 [ 1346.759335][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.772908][ T32] r5:00001000 r4:eba79000 [ 1346.772954][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.773031][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.773081][ T32] r5:856ee78c r4:856ee400 [ 1346.773104][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.773157][ T32] r7:ddde2d80 r6:83018200 r5:856ee78c r4:85070180 [ 1346.773210][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.773271][ T32] r10:61c88647 r9:8506ec00 r8:850701ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.773297][ T32] r4:85070180 [ 1346.773318][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.773370][ T32] r10:00000000 r9:85070180 r8:80287e08 r7:ebb4de60 r6:8573bd80 r5:8506ec00 [ 1346.773423][ T32] r4:00000001 [ 1346.773507][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.773568][ T32] Exception stack(0xebb59fb0 to 0xebb59ff8) [ 1346.773615][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.773717][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.773751][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.773792][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.773848][ T32] r4:8507c400 [ 1346.774370][ T32] INFO: task kworker/1:989:5504 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.774467][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.774618][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.774756][ T32] Call trace: [ 1346.774798][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.774858][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.774920][ T32] r4:00000000 [ 1346.774953][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.775001][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.775035][ T32] dd20: c6fe9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.775067][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.775149][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.775180][ T32] r5:800d0013 r4:80239bb0 [ 1346.775272][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.775325][ T32] r4:82ac21e4 [ 1346.775349][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.775396][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.775423][ T32] r4:e044ddc0 [ 1346.775445][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.775490][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.775515][ T32] r4:00000000 [ 1346.775550][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.775612][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.775639][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.775685][ T32] r5:00001000 r4:ed353000 [ 1346.775749][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.775798][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.775845][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.775867][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.775917][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.775941][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.775991][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.776016][ T32] r4:84ab5800 [ 1346.776108][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.776177][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.776206][ T32] r4:00000001 [ 1346.776227][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.776350][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.776397][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.776431][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.776462][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.776493][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.776564][ T32] r4:84ab0640 [ 1346.776620][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.776688][ T32] INFO: task kworker/1:990:5505 blocked for more than 473 seconds. [ 1346.776732][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.776760][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.776783][ T32] task:kworker/1:990 state:D stack:0 pid:5505 tgid:5505 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.776866][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.776912][ T32] Call trace: [ 1346.776946][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.777000][ T32] r10:8291a684 r9:ebb5dd84 r8:00000002 r7:60000013 r6:ebb5dd8c r5:8506d400 [ 1346.777026][ T32] r4:8506d400 [ 1346.777077][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.777161][ T32] r5:8506d400 r4:8291a680 [ 1346.777185][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.777245][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.777302][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb5de08 [ 1346.777328][ T32] r4:00000000 [ 1346.777361][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.777400][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.777437][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.777480][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8507c7c0 [ 1346.777535][ T32] r4:00000000 [ 1346.777561][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.777650][ T32] r9:83018205 r8:8506d400 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1346.777688][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.777771][ T32] r5:00001000 r4:eba21000 [ 1346.777798][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.777842][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.777904][ T32] r5:856edb8c r4:856ed800 [ 1346.777929][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.777982][ T32] r7:ddde2d80 r6:83018200 r5:856edb8c r4:85070200 [ 1346.778050][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.778108][ T32] r10:61c88647 r9:8506d400 r8:8507022c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.778134][ T32] r4:85070200 [ 1346.778187][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.778347][ T32] r10:00000000 r9:85070200 r8:80287e08 r7:ebb59e60 r6:8573be00 r5:8506d400 [ 1346.778383][ T32] r4:00000001 [ 1346.778461][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.778506][ T32] Exception stack(0xebb5dfb0 to 0xebb5dff8) [ 1346.778536][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.778595][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.778635][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.778667][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.778691][ T32] r4:8507c400 [ 1346.779107][ T32] INFO: task kworker/1:990:5505 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.779210][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.798535][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.798649][ T32] Call trace: [ 1346.798708][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.798814][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.798848][ T32] r4:00000000 [ 1346.798876][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.798927][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.798961][ T32] dd20: c7215000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.799000][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.799033][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.799062][ T32] r5:800d0013 r4:80239bb0 [ 1346.799113][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.799286][ T32] r4:82ac21e4 [ 1346.799875][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.799960][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.799989][ T32] r4:e044ddc0 [ 1346.800013][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.800109][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.800160][ T32] r4:00000000 [ 1346.800232][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1346.800460][ T32] r5:00001000 r4:ed353000 ** 6 printk messages dropped ** [ 1346.801054][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1346.801598][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1346.802526][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1346.803077][ T32] r5:8506bc00 r4:8291a680 [ 1346.803162][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.803255][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.803351][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb61e08 [ 1346.803426][ T32] r4:00000000 [ 1346.803509][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.803617][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.803701][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.803793][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8507c940 [ 1346.803848][ T32] r4:00000000 [ 1346.803894][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.804012][ T32] r9:83018205 r8:8506bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f059000 [ 1346.804077][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.804174][ T32] r5:00001000 r4:eba35000 [ 1346.804238][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.804351][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.804452][ T32] r5:856edf8c r4:856edc00 [ 1346.804526][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.804637][ T32] r7:ddde2d80 r6:83018200 r5:856edf8c r4:85070280 [ 1346.804705][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.804814][ T32] r10:61c88647 r9:8506bc00 r8:850702ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.804935][ T32] r4:85070280 [ 1346.804990][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.805099][ T32] r10:00000000 r9:85070280 r8:80287e08 r7:ebb59e60 r6:8573be80 r5:8506bc00 [ 1346.805157][ T32] r4:00000001 [ 1346.805201][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.805303][ T32] Exception stack(0xebb61fb0 to 0xebb61ff8) [ 1346.805377][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.805446][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.805520][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.805596][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.805663][ T32] r4:8507c700 [ 1346.806465][ T32] INFO: task kworker/1:991:5508 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.806561][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.806783][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.806911][ T32] Call trace: [ 1346.807007][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.807131][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.807189][ T32] r4:00000000 [ 1346.807230][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.807290][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.807324][ T32] dd20: c7215000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.807360][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.807391][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.807451][ T32] r5:800d0013 r4:80239bb0 [ 1346.807505][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.807615][ T32] r4:82ac21e4 [ 1346.807664][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.807738][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.807787][ T32] r4:e044ddc0 [ 1346.807834][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.807929][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.807964][ T32] r4:00000000 [ 1346.807990][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.808049][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.808075][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.808193][ T32] r5:00001000 r4:ed353000 [ 1346.808284][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1346.808539][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1346.809154][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1346.844674][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1346.845045][ T32] task:kworker/1:992 state:D stack:0 pid:5509 tgid:5509 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1346.846146][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1346.846554][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8507cac0 ** 9 printk messages dropped ** [ 1346.847279][ T32] r7:ddde2d80 r6:83018200 r5:856ee38c r4:85070300 [ 1346.847396][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1346.847742][ T32] r10:00000000 r9:85070300 r8:80287e08 r7:ebb59e60 r6:8573bf00 r5:8506a400 ** 7 printk messages dropped ** [ 1346.848283][ T32] r4:8507c840 ** 3 printk messages dropped ** [ 1346.858323][ T32] Call trace: ** 5 printk messages dropped ** [ 1346.858784][ T32] dd20: c7531000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 7 printk messages dropped ** [ 1346.859119][ T32] r4:e044ddc0 ** 4 printk messages dropped ** [ 1346.870075][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 8 printk messages dropped ** [ 1346.870809][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1346.871425][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1346.872112][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1346.872904][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1346.873434][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1346.873860][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1346.874099][ T32] r7:ddde2d80 r6:83018200 r5:856ef38c r4:85070380 ** 4 printk messages dropped ** [ 1346.874466][ T32] r10:00000000 r9:85070380 r8:80287e08 r7:ebb59e60 r6:8573bf80 r5:85786000 [ 1346.874522][ T32] r4:00000001 [ 1346.874564][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.874664][ T32] Exception stack(0xebb71fb0 to 0xebb71ff8) [ 1346.874730][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.874794][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.874851][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.875014][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.875074][ T32] r4:8507ca00 [ 1346.875781][ T32] INFO: task kworker/1:993:5512 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.875889][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.876067][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.876180][ T32] Call trace: [ 1346.876330][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.876454][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.876530][ T32] r4:00000000 [ 1346.876596][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.876690][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.876753][ T32] dd20: c75f9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.876835][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.876896][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.876954][ T32] r5:800d0013 r4:80239bb0 [ 1346.877019][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.877113][ T32] r4:82ac21e4 [ 1346.877166][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.877301][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.877385][ T32] r4:e044ddc0 [ 1346.877434][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.877558][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.877615][ T32] r4:00000000 [ 1346.877690][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.877795][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.877921][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.878029][ T32] r5:00001000 r4:ed353000 [ 1346.878090][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.878179][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.878273][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.878391][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.878497][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.878610][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.878728][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.878781][ T32] r4:84ab5800 [ 1346.878863][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.878972][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.879022][ T32] r4:00000001 [ 1346.879094][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.879175][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.879281][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.900074][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.900157][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.900218][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.900296][ T32] r4:84ab0640 [ 1346.900364][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.900457][ T32] INFO: task kworker/1:994:5513 blocked for more than 473 seconds. [ 1346.900562][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.900625][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.900704][ T32] task:kworker/1:994 state:D stack:0 pid:5513 tgid:5513 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.900859][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.900985][ T32] Call trace: [ 1346.901064][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.901177][ T32] r10:8291a684 r9:ebb75d84 r8:00000002 r7:60000113 r6:ebb75d8c r5:84ae0000 [ 1346.901259][ T32] r4:84ae0000 [ 1346.901335][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.901434][ T32] r5:84ae0000 r4:8291a680 [ 1346.901501][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1346.902264][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8507ccc0 ** 9 printk messages dropped ** [ 1346.903150][ T32] r7:ddde2d80 r6:83018200 r5:856eeb8c r4:85070400 [ 1346.903203][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.903307][ T32] r10:61c88647 r9:84ae0000 r8:8507042c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.903411][ T32] r4:85070400 [ 1346.903470][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.903575][ T32] r10:00000000 r9:85070400 r8:80287e08 r7:ebb71e60 r6:85098000 r5:84ae0000 [ 1346.903645][ T32] r4:00000001 [ 1346.903776][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.903871][ T32] Exception stack(0xebb75fb0 to 0xebb75ff8) [ 1346.903935][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.904092][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.904169][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.904362][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.904434][ T32] r4:8507ca00 [ 1346.905155][ T32] INFO: task kworker/1:994:5513 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.905234][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.905405][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.905614][ T32] Call trace: [ 1346.905688][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.905798][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.905856][ T32] r4:00000000 [ 1346.905897][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.905986][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.906049][ T32] dd20: c77a5000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.906114][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.906173][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.906220][ T32] r5:800d0013 r4:80239bb0 [ 1346.906344][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.906480][ T32] r4:82ac21e4 [ 1346.906542][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.906638][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.906694][ T32] r4:e044ddc0 [ 1346.906745][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.906842][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.906894][ T32] r4:00000000 [ 1346.906978][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.907081][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.907135][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.907276][ T32] r5:00001000 r4:ed353000 [ 1346.907343][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.907438][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.907536][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.907586][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.907692][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.907749][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.907856][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.907926][ T32] r4:84ab5800 [ 1346.907993][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 4 printk messages dropped ** [ 1346.908351][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1346.908896][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 5 printk messages dropped ** [ 1346.943797][ T32] r4:84ae0c00 ** 3 printk messages dropped ** [ 1346.944249][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1346.944775][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8507cec0 ** 3 printk messages dropped ** [ 1346.945024][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1346.945540][ T32] r7:ddde2d80 r6:83018200 r5:856eef8c r4:85070480 [ 1346.945591][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.945696][ T32] r10:61c88647 r9:84ae0c00 r8:850704ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1346.945936][ T32] r10:00000000 r9:85070480 r8:80287e08 r7:ebb71e60 r6:85098080 r5:84ae0c00 [ 1346.945995][ T32] r4:00000001 [ 1346.946041][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.946143][ T32] Exception stack(0xebb79fb0 to 0xebb79ff8) [ 1346.946204][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.946239][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.946321][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.946393][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.946427][ T32] r4:8507cb40 [ 1346.946886][ T32] INFO: task kworker/1:995:5515 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.946932][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.947084][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.947144][ T32] Call trace: [ 1346.947225][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.947284][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.947311][ T32] r4:00000000 [ 1346.947367][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.947416][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.947450][ T32] dd20: c7acf000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.947535][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.947571][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.947610][ T32] r5:800d0013 r4:80239bb0 [ 1346.947636][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.947701][ T32] r4:82ac21e4 [ 1346.947757][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.947809][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.947834][ T32] r4:e044ddc0 [ 1346.947856][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.947915][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.947944][ T32] r4:00000000 [ 1346.947985][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.948041][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.948066][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.948167][ T32] r5:00001000 r4:ed353000 [ 1346.948203][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.948267][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.948323][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.948374][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.948432][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.948458][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.948546][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.948597][ T32] r4:84ab5800 [ 1346.948624][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.948678][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.948703][ T32] r4:00000001 [ 1346.948725][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.948764][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.948792][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.948853][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.948887][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.948920][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.948945][ T32] r4:84ab0640 [ 1346.948968][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.949073][ T32] INFO: task kworker/1:996:5518 blocked for more than 473 seconds. [ 1346.949119][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.949149][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.949175][ T32] task:kworker/1:996 state:D stack:0 pid:5518 tgid:5518 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.962741][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.962915][ T32] Call trace: [ 1346.962957][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.963026][ T32] r10:8291a684 r9:ebb91d84 r8:00000002 r7:60000113 r6:ebb91d8c r5:84ae2400 [ 1346.963053][ T32] r4:84ae2400 [ 1346.963076][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.963125][ T32] r5:84ae2400 r4:8291a680 [ 1346.963149][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.963193][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.963239][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb91e08 [ 1346.963263][ T32] r4:00000000 [ 1346.963285][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.963336][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.963379][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.963454][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85099040 [ 1346.963514][ T32] r4:00000000 [ 1346.963542][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.963598][ T32] r9:83018205 r8:84ae2400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a3000 [ 1346.963624][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.963711][ T32] r5:00001000 r4:ebbb3000 [ 1346.963739][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.963842][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.963896][ T32] r5:856eff8c r4:856efc00 [ 1346.963962][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.964053][ T32] r7:ddde2d80 r6:83018200 r5:856eff8c r4:85070500 [ 1346.964084][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.964140][ T32] r10:61c88647 r9:84ae2400 r8:8507052c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.964166][ T32] r4:85070500 [ 1346.964216][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.964284][ T32] r10:00000000 r9:85070500 r8:80287e08 r7:ebb71e60 r6:85098100 r5:84ae2400 [ 1346.964311][ T32] r4:00000001 [ 1346.964343][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.964441][ T32] Exception stack(0xebb91fb0 to 0xebb91ff8) [ 1346.964527][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.964585][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.964618][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.964652][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.964677][ T32] r4:8507ce80 [ 1346.965152][ T32] INFO: task kworker/1:996:5518 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.965268][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.965394][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.965447][ T32] Call trace: [ 1346.965488][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.965576][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.965636][ T32] r4:00000000 [ 1346.965662][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.965746][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.965784][ T32] dd20: c7d4b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.965817][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.965848][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.965875][ T32] r5:800d0013 r4:80239bb0 [ 1346.965897][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.965974][ T32] r4:82ac21e4 [ 1346.966016][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.966096][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.966128][ T32] r4:e044ddc0 [ 1346.966156][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.966207][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.966260][ T32] r4:00000000 [ 1346.966332][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.966420][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1346.966492][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.966622][ T32] r5:00001000 r4:ed353000 [ 1346.966652][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.966700][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.966747][ T32] r5:85c0ff8c r4:85c0fc00 [ 1346.966769][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.966837][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.966867][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.966955][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.966993][ T32] r4:84ab5800 [ 1346.967019][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.967100][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.967160][ T32] r4:00000001 [ 1346.967187][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.967233][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.967265][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.967296][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.967352][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.967473][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.967520][ T32] r4:84ab0640 [ 1346.967550][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.967584][ T32] INFO: task kworker/1:997:5520 blocked for more than 473 seconds. [ 1346.967625][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.967655][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.967679][ T32] task:kworker/1:997 state:D stack:0 pid:5520 tgid:5520 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.967839][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.967892][ T32] Call trace: [ 1346.968009][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 5 printk messages dropped ** [ 1346.968457][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1346.968686][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 5 printk messages dropped ** [ 1346.968968][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1346.969270][ T32] r7:ddde2d80 r6:83018200 r5:856ef78c r4:85070580 ** 2 printk messages dropped ** [ 1346.992629][ T32] r4:85070580 ** 1 printk messages dropped ** [ 1346.992709][ T32] r10:00000000 r9:85070580 r8:80287e08 r7:ebb91e60 r6:85098180 r5:84ae3c00 ** 4 printk messages dropped ** [ 1346.992888][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1346.993691][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1346.994029][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1346.994199][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 5 printk messages dropped ** [ 1346.994483][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 5 printk messages dropped ** [ 1346.994685][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 ** 3 printk messages dropped ** [ 1346.994933][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1346.995063][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1346.995087][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.995138][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.995162][ T32] r4:84ab5800 [ 1346.995184][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.995233][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1346.995325][ T32] r4:00000001 [ 1346.995354][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.995394][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1346.995425][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.995455][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.995539][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.995575][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.995602][ T32] r4:84ab0640 [ 1346.995626][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.995658][ T32] INFO: task kworker/1:998:5521 blocked for more than 473 seconds. [ 1346.995696][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1346.995730][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.995756][ T32] task:kworker/1:998 state:D stack:0 pid:5521 tgid:5521 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.995808][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.995883][ T32] Call trace: [ 1346.995955][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1346.996009][ T32] r10:8291a684 r9:ebbadd84 r8:00000002 r7:60000113 r6:ebbadd8c r5:84ae1800 [ 1346.996036][ T32] r4:84ae1800 [ 1346.996086][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1346.996167][ T32] r5:84ae1800 r4:8291a680 [ 1346.996195][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.996282][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.996392][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebbade08 [ 1346.996421][ T32] r4:00000000 [ 1346.996443][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1346.996481][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1346.996562][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.996640][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85726f80 [ 1346.996693][ T32] r4:00000000 [ 1346.996722][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1346.996774][ T32] r9:83018205 r8:84ae1800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1346.996853][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1346.996905][ T32] r5:00001000 r4:ebba3000 [ 1346.996956][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1346.997005][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.997054][ T32] r5:856efb8c r4:856ef800 [ 1346.997076][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1346.997125][ T32] r7:ddde2d80 r6:83018200 r5:856efb8c r4:85070600 [ 1346.997149][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1346.997199][ T32] r10:61c88647 r9:84ae1800 r8:8507062c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.997223][ T32] r4:85070600 [ 1346.997244][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1346.997292][ T32] r10:00000000 r9:85070600 r8:80287e08 r7:ebb91e60 r6:85098200 r5:84ae1800 [ 1346.997316][ T32] r4:00000001 [ 1346.997372][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.997416][ T32] Exception stack(0xebbadfb0 to 0xebbadff8) [ 1346.997445][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.997477][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.997521][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.997558][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1346.997624][ T32] r4:85726e80 [ 1346.997884][ T32] INFO: task kworker/1:998:5521 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1346.997980][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.998107][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.998188][ T32] Call trace: [ 1346.998250][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1346.998345][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1346.998385][ T32] r4:00000000 [ 1346.998411][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.998461][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1346.998579][ T32] dd20: c8079000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1346.998645][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1346.998677][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1346.998759][ T32] r5:800d0013 r4:80239bb0 [ 1346.998789][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.998882][ T32] r4:82ac21e4 [ 1346.998910][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.998959][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1346.998984][ T32] r4:e044ddc0 [ 1346.999033][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1346.999136][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1346.999167][ T32] r4:00000000 [ 1347.022481][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.022692][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.022730][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.022787][ T32] r5:00001000 r4:ed353000 [ 1347.022810][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.022854][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.022902][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.022924][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.022983][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.023029][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.023087][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.023113][ T32] r4:84ab5800 [ 1347.023135][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.023187][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.023239][ T32] r4:00000001 [ 1347.023267][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.023327][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.023367][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.023400][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.023511][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.023548][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.023682][ T32] r4:84ab0640 [ 1347.023741][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.023781][ T32] INFO: task kworker/1:999:5524 blocked for more than 473 seconds. [ 1347.023822][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.023867][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.023897][ T32] task:kworker/1:999 state:D stack:0 pid:5524 tgid:5524 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.024050][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.024134][ T32] Call trace: [ 1347.024200][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.024263][ T32] r10:8291a684 r9:ebbc1d84 r8:00000002 r7:60000013 r6:ebbc1d8c r5:84ae3000 [ 1347.024289][ T32] r4:84ae3000 [ 1347.024311][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.024378][ T32] r5:84ae3000 r4:8291a680 [ 1347.024405][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.024448][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.024581][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebbc1e08 [ 1347.024641][ T32] r4:00000000 [ 1347.024668][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.024724][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.024797][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.024848][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85099480 [ 1347.024873][ T32] r4:00000000 [ 1347.024894][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.024942][ T32] r9:83018205 r8:84ae3000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a7000 [ 1347.025020][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.025081][ T32] r5:00001000 r4:ebbcf000 [ 1347.025104][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.025149][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.025195][ T32] r5:856f078c r4:856f0400 [ 1347.025216][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.025266][ T32] r7:ddde2d80 r6:83018200 r5:856f078c r4:85070680 [ 1347.025288][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.025346][ T32] r10:61c88647 r9:84ae3000 r8:850706ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.025371][ T32] r4:85070680 [ 1347.025392][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.025468][ T32] r10:00000000 r9:85070680 r8:80287e08 r7:ebb91e60 r6:85098280 r5:84ae3000 [ 1347.025498][ T32] r4:00000001 [ 1347.025547][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.025592][ T32] Exception stack(0xebbc1fb0 to 0xebbc1ff8) [ 1347.025621][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1347.025652][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.025683][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.025742][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.025772][ T32] r4:85099080 [ 1347.026219][ T32] INFO: task kworker/1:999:5524 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.026258][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.026357][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.026427][ T32] Call trace: [ 1347.026486][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.026543][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.026569][ T32] r4:00000000 [ 1347.026605][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.026668][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.026717][ T32] dd20: c83f3000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.026752][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.026779][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.026805][ T32] r5:800d0013 r4:80239bb0 [ 1347.026840][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.026948][ T32] r4:82ac21e4 [ 1347.026976][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.027024][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.027048][ T32] r4:e044ddc0 [ 1347.027070][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.027116][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.027140][ T32] r4:00000000 [ 1347.027161][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.027209][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.027233][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.027279][ T32] r5:00001000 r4:ed353000 [ 1347.027322][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.027371][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.027444][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.027473][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.027528][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.027593][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.027736][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.027832][ T32] r4:84ab5800 [ 1347.027920][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.027996][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.028055][ T32] r4:00000001 [ 1347.028080][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.028120][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.028149][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.028289][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1347.028569][ T32] INFO: task kworker/1:1000:5526 blocked for more than 473 seconds. ** 3 printk messages dropped ** [ 1347.028782][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1347.029101][ T32] r5:85796c00 r4:8291a680 ** 1 printk messages dropped ** [ 1347.029163][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1347.037998][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1347.038461][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1347.038594][ T32] r7:ddde2d80 r6:83018200 r5:856f038c r4:85070700 ** 2 printk messages dropped ** [ 1347.038789][ T32] r4:85070700 ** 1 printk messages dropped ** [ 1347.038913][ T32] r10:00000000 r9:85070700 r8:80287e08 r7:ebbc1e60 r6:85070780 r5:85796c00 ** 3 printk messages dropped ** [ 1347.039356][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1347.050033][ T32] r4:85099200 ** 1 printk messages dropped ** [ 1347.050527][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1347.051125][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 1 printk messages dropped ** [ 1347.051193][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.051236][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.051267][ T32] r5:800d0013 r4:80239bb0 [ 1347.051291][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.051354][ T32] r4:82ac21e4 [ 1347.051378][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.051427][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.051454][ T32] r4:e044ddc0 [ 1347.051476][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.051524][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.051574][ T32] r4:00000000 [ 1347.051602][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.051656][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.051682][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.051758][ T32] r5:00001000 r4:ed353000 [ 1347.051787][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.051835][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.051885][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.051909][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.051961][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.051984][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.052034][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.052072][ T32] r4:84ab5800 [ 1347.052097][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.052147][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.052174][ T32] r4:00000001 [ 1347.052195][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.052233][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.052260][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.052290][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.052324][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.052357][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.052382][ T32] r4:84ab0640 [ 1347.052404][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.052478][ T32] INFO: task kworker/1:1001:5527 blocked for more than 473 seconds. [ 1347.052548][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.052579][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.052601][ T32] task:kworker/1:1001 state:D stack:0 pid:5527 tgid:5527 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.052651][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.052697][ T32] Call trace: [ 1347.052744][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.052802][ T32] r10:8291a684 r9:ebbbdd84 r8:00000002 r7:60000113 r6:ebbbdd8c r5:85791800 [ 1347.052852][ T32] r4:85791800 [ 1347.052879][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.053035][ T32] r5:85791800 r4:8291a680 [ 1347.053062][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.053105][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.053150][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebbbde08 [ 1347.053193][ T32] r4:00000000 [ 1347.053220][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.053260][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.053313][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.053368][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85099880 [ 1347.053392][ T32] r4:00000000 [ 1347.053468][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 1 printk messages dropped ** [ 1347.053573][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1347.053842][ T32] r7:ddde2d80 r6:83018200 r5:856f0f8c r4:85070800 [ 1347.053866][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.053916][ T32] r10:61c88647 r9:85791800 r8:8507082c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.053979][ T32] r4:85070800 ** 1 printk messages dropped ** [ 1347.054142][ T32] r10:00000000 r9:85070800 r8:80287e08 r7:ebbc1e60 r6:85070880 r5:85791800 ** 3 printk messages dropped ** [ 1347.054251][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1347.054800][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1347.055260][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1347.055474][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1347.055744][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 7 printk messages dropped ** [ 1347.056078][ T32] r5:85c0ff8c r4:85c0fc00 ** 6 printk messages dropped ** [ 1347.056422][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1347.056738][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1347.057101][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1347.057309][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.057415][ T32] r5:85793000 r4:8291a680 [ 1347.057461][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.057535][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.057585][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebbcde08 [ 1347.057610][ T32] r4:00000000 [ 1347.057632][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.057671][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.057763][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.057922][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85099780 [ 1347.057951][ T32] r4:00000000 [ 1347.057973][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.058021][ T32] r9:83018205 r8:85793000 r7:00000000 r6:83018200 r5:00001000 r4:7f0ab000 [ 1347.058044][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.058089][ T32] r5:00001000 r4:ebbe3000 [ 1347.058113][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.058210][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.058260][ T32] r5:856f0b8c r4:856f0800 [ 1347.058287][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.058396][ T32] r7:ddde2d80 r6:83018200 r5:856f0b8c r4:85070900 [ 1347.058452][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.058508][ T32] r10:61c88647 r9:85793000 r8:8507092c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.058532][ T32] r4:85070900 [ 1347.058580][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.058633][ T32] r10:00000000 r9:85070900 r8:80287e08 r7:ebbbde60 r6:85070980 r5:85793000 [ 1347.058690][ T32] r4:00000001 [ 1347.058796][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.058838][ T32] Exception stack(0xebbcdfb0 to 0xebbcdff8) [ 1347.058915][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.058988][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.059059][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.059095][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.059119][ T32] r4:85099380 [ 1347.082512][ T32] INFO: task kworker/1:1002:5529 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.082685][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.082790][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.082863][ T32] Call trace: [ 1347.082970][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.083043][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.083101][ T32] r4:00000000 [ 1347.083165][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.083245][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.083283][ T32] dd20: c8789000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.083316][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.083594][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.083630][ T32] r5:800d0013 r4:80239bb0 [ 1347.083682][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.083737][ T32] r4:82ac21e4 [ 1347.083794][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.083849][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.083876][ T32] r4:e044ddc0 [ 1347.083903][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.083953][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.083978][ T32] r4:00000000 [ 1347.084000][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.084051][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.084075][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.084124][ T32] r5:00001000 r4:ed353000 [ 1347.084146][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.084244][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.084321][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.084350][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.084405][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.084490][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.084575][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.084601][ T32] r4:84ab5800 [ 1347.084651][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.084708][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.084815][ T32] r4:00000001 [ 1347.084842][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.084883][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.084912][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.084944][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.085017][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.085053][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.085118][ T32] r4:84ab0640 [ 1347.085147][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.085186][ T32] INFO: task kworker/1:1003:5533 blocked for more than 473 seconds. [ 1347.085254][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.085285][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.085332][ T32] task:kworker/1:1003 state:D stack:0 pid:5533 tgid:5533 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.085478][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.085562][ T32] Call trace: [ 1347.085600][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.085653][ T32] r10:8291a684 r9:ebbe1d84 r8:00000002 r7:60000113 r6:ebbe1d8c r5:85785400 [ 1347.085702][ T32] r4:85785400 [ 1347.085729][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.085777][ T32] r5:85785400 r4:8291a680 [ 1347.085798][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.085840][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.085887][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebbe1e08 [ 1347.086022][ T32] r4:00000000 [ 1347.086052][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.086093][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.086131][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.086182][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85099b80 [ 1347.086280][ T32] r4:00000000 [ 1347.086372][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.086427][ T32] r9:83018205 r8:85785400 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 [ 1347.086457][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.086504][ T32] r5:00001000 r4:dfabb000 [ 1347.086527][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.086569][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.086613][ T32] r5:856f178c r4:856f1400 [ 1347.086635][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.086686][ T32] r7:ddde2d80 r6:83018200 r5:856f178c r4:85070a00 [ 1347.086709][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.086760][ T32] r10:61c88647 r9:85785400 r8:85070a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.086791][ T32] r4:85070a00 [ 1347.086842][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.086924][ T32] r10:00000000 r9:85070a00 r8:80287e08 r7:ebbbde60 r6:85070a80 r5:85785400 [ 1347.086982][ T32] r4:00000001 [ 1347.087007][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.087049][ T32] Exception stack(0xebbe1fb0 to 0xebbe1ff8) [ 1347.087223][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1347.087259][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.087290][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.087329][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.087356][ T32] r4:85099680 [ 1347.087656][ T32] INFO: task kworker/1:1003:5533 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.087695][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.087804][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.087853][ T32] Call trace: [ 1347.088003][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.088090][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.088147][ T32] r4:00000000 [ 1347.088321][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.088372][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.088405][ T32] dd20: c8789000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.088437][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.088520][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.088582][ T32] r5:800d0013 r4:80239bb0 [ 1347.088615][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.088662][ T32] r4:82ac21e4 [ 1347.088684][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.088729][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.088753][ T32] r4:e044ddc0 [ 1347.088774][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.088825][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.088853][ T32] r4:00000000 [ 1347.088929][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.088986][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.089013][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.089059][ T32] r5:00001000 r4:ed353000 [ 1347.089109][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.089159][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.089329][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.112035][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.112146][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.112173][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.112233][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.112355][ T32] r4:84ab5800 [ 1347.112388][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.112449][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.112476][ T32] r4:00000001 [ 1347.112550][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.112622][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.112658][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.112693][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.112724][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.112758][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.112784][ T32] r4:84ab0640 [ 1347.112811][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.112845][ T32] INFO: task kworker/1:1004:5535 blocked for more than 473 seconds. [ 1347.112999][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.113035][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.113061][ T32] task:kworker/1:1004 state:D stack:0 pid:5535 tgid:5535 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.113126][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.113267][ T32] Call trace: [ 1347.113326][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.113392][ T32] r10:8291a684 r9:ebbf5d84 r8:00000002 r7:60000013 r6:ebbf5d8c r5:85790c00 [ 1347.113542][ T32] r4:85790c00 [ 1347.113603][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.113676][ T32] r5:85790c00 r4:8291a680 [ 1347.113701][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.113745][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.113793][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebbf5e08 ** 7 printk messages dropped ** [ 1347.114360][ T32] r9:83018205 r8:85790c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0af000 ** 6 printk messages dropped ** [ 1347.114752][ T32] r7:ddde2d80 r6:83018200 r5:856f138c r4:85070b00 [ 1347.114776][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 2 printk messages dropped ** [ 1347.114920][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.115002][ T32] r10:00000000 r9:85070b00 r8:80287e08 r7:ebbe1e60 r6:85070b80 r5:85790c00 [ 1347.115032][ T32] r4:00000001 [ 1347.115055][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.115095][ T32] Exception stack(0xebbf5fb0 to 0xebbf5ff8) [ 1347.115155][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1347.115191][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.115221][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.115260][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.115288][ T32] r4:85099680 [ 1347.115756][ T32] INFO: task kworker/1:1004:5535 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.115797][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.115908][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.115964][ T32] Call trace: [ 1347.115998][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.116055][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.116111][ T32] r4:00000000 [ 1347.116139][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.116205][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.116240][ T32] dd20: c8b5a000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.116286][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.116332][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.116446][ T32] r5:800d0013 r4:80239bb0 [ 1347.116488][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.116609][ T32] r4:82ac21e4 [ 1347.116648][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.116714][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.116744][ T32] r4:e044ddc0 [ 1347.116800][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.116852][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.116880][ T32] r4:00000000 [ 1347.116902][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 3 printk messages dropped ** [ 1347.117125][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 10 printk messages dropped ** [ 1347.117678][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1347.118082][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1347.118707][ T32] r5:8578c800 r4:8291a680 ** 5 printk messages dropped ** [ 1347.118959][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1347.138462][ T32] r5:856f1b8c r4:856f1800 ** 1 printk messages dropped ** [ 1347.138582][ T32] r7:ddde2d80 r6:83018200 r5:856f1b8c r4:85070c00 ** 1 printk messages dropped ** [ 1347.138697][ T32] r10:61c88647 r9:8578c800 r8:85070c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.138729][ T32] r4:85070c00 [ 1347.138755][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.138807][ T32] r10:00000000 r9:85070c00 r8:80287e08 r7:ebbe1e60 r6:85070c80 r5:8578c800 [ 1347.138831][ T32] r4:00000001 [ 1347.138865][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.138912][ T32] Exception stack(0xebc01fb0 to 0xebc01ff8) [ 1347.138946][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1347.138978][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.139007][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.139064][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.139103][ T32] r4:85099a00 [ 1347.153689][ T32] INFO: task kworker/1:1005:5537 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.153811][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.153902][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.154057][ T32] Call trace: [ 1347.154188][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.154271][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.154351][ T32] r4:00000000 [ 1347.154556][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.154642][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.154686][ T32] dd20: c9103000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.154721][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.154749][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.154776][ T32] r5:800d0013 r4:80239bb0 [ 1347.154888][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.154964][ T32] r4:82ac21e4 [ 1347.154992][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.155041][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.155066][ T32] r4:e044ddc0 [ 1347.155088][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.155134][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.155223][ T32] r4:00000000 [ 1347.155250][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.155375][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.155412][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.155464][ T32] r5:00001000 r4:ed353000 [ 1347.155495][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1347.156090][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1347.156582][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1347.156942][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1347.157526][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1347.157937][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 7 printk messages dropped ** [ 1347.158404][ T32] r7:ddde2d80 r6:83018200 r5:856f1f8c r4:85070d00 [ 1347.158499][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.158606][ T32] r10:61c88647 r9:8578ec00 r8:85070d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1347.158973][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1347.159218][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1347.174186][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 6 printk messages dropped ** [ 1347.174475][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1347.174937][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 10 printk messages dropped ** [ 1347.175655][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1347.176353][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1347.176818][ T32] Call trace: ** 6 printk messages dropped ** [ 1347.177336][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1347.177821][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1347.178151][ T32] r7:ddde2d80 r6:83018200 r5:856f238c r4:85070e00 ** 2 printk messages dropped ** [ 1347.178479][ T32] r4:85070e00 ** 4 printk messages dropped ** [ 1347.178710][ T32] Exception stack(0xeb9a5fb0 to 0xeb9a5ff8) ** 7 printk messages dropped ** [ 1347.198110][ T32] Workqueue: events bpf_prog_free_deferred ** 1 printk messages dropped ** [ 1347.198260][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.198361][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.198394][ T32] r4:00000000 [ 1347.198491][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.198571][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.198610][ T32] dd20: c93cf000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.198650][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.198679][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.198706][ T32] r5:800d0013 r4:80239bb0 [ 1347.198731][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.198778][ T32] r4:82ac21e4 [ 1347.198801][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.198848][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.198974][ T32] r4:e044ddc0 [ 1347.199003][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.199095][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.199279][ T32] r4:00000000 [ 1347.209987][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.210154][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.210227][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.210334][ T32] r5:00001000 r4:ed353000 [ 1347.210388][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.210487][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.210639][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.210696][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.210811][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.210860][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.210962][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.211036][ T32] r4:84ab5800 [ 1347.211089][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.211190][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.211242][ T32] r4:00000001 [ 1347.211285][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.211366][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.211435][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.211505][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.211563][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.211634][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.211691][ T32] r4:84ab0640 [ 1347.211760][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.211832][ T32] INFO: task kworker/1:1008:5543 blocked for more than 473 seconds. [ 1347.211906][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.211964][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.212018][ T32] task:kworker/1:1008 state:D stack:0 pid:5543 tgid:5543 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.212142][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.212237][ T32] Call trace: [ 1347.212310][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.212421][ T32] r10:8291a684 r9:ebaf9d84 r8:00000002 r7:60000113 r6:ebaf9d8c r5:85798c00 [ 1347.212478][ T32] r4:85798c00 [ 1347.212553][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.212658][ T32] r5:85798c00 r4:8291a680 [ 1347.212703][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.212789][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.212880][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebaf9e08 [ 1347.212936][ T32] r4:00000000 [ 1347.212978][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.213057][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.213137][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.213241][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85736900 [ 1347.213294][ T32] r4:00000000 [ 1347.213343][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.213441][ T32] r9:83018205 r8:85798c00 r7:00000000 r6:83018200 r5:00001000 r4:7f06b000 [ 1347.213487][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.213588][ T32] r5:00001000 r4:eacd3000 [ 1347.213641][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.213722][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.213810][ T32] r5:856f278c r4:856f2400 [ 1347.213859][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.213969][ T32] r7:ddde2d80 r6:83018200 r5:856f278c r4:85070f00 [ 1347.214015][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.214160][ T32] r10:61c88647 r9:85798c00 r8:85070f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.214220][ T32] r4:85070f00 [ 1347.214475][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.214705][ T32] r10:00000000 r9:85070f00 r8:80287e08 r7:eb9a5e60 r6:85070f80 r5:85798c00 [ 1347.214791][ T32] r4:00000001 [ 1347.214853][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.214962][ T32] Exception stack(0xebaf9fb0 to 0xebaf9ff8) [ 1347.215045][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1347.215130][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.215208][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.215292][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.215373][ T32] r4:85099e00 [ 1347.216207][ T32] INFO: task kworker/1:1008:5543 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.216288][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1347.217126][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 2 printk messages dropped ** [ 1347.217298][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.217389][ T32] r4:82ac21e4 [ 1347.217433][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.217581][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.217637][ T32] r4:e044ddc0 [ 1347.217692][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.217782][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.217844][ T32] r4:00000000 [ 1347.217894][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.217991][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.218053][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.218167][ T32] r5:00001000 r4:ed353000 [ 1347.218211][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.218330][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.218435][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.218488][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.218594][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.218641][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.218740][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.218790][ T32] r4:84ab5800 [ 1347.218831][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.218930][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.218989][ T32] r4:00000001 [ 1347.219039][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.219121][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.219191][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.219256][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.219382][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.250702][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.250814][ T32] r4:84ab0640 [ 1347.250873][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.250939][ T32] INFO: task kworker/1:1009:5545 blocked for more than 473 seconds. ** 3 printk messages dropped ** [ 1347.251345][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1347.251956][ T32] r5:85799800 r4:8291a680 ** 1 printk messages dropped ** [ 1347.252092][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.252185][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb05e08 [ 1347.252277][ T32] r4:00000000 [ 1347.252330][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.252484][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.252650][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.252745][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85099e00 [ 1347.252816][ T32] r4:00000000 [ 1347.252946][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.253066][ T32] r9:83018205 r8:85799800 r7:00000000 r6:83018200 r5:00001000 r4:7f06d000 [ 1347.253127][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.253219][ T32] r5:00001000 r4:eadf1000 [ 1347.253279][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.253373][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.253467][ T32] r5:856f2b8c r4:856f2800 [ 1347.253515][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.253644][ T32] r7:ddde2d80 r6:83018200 r5:856f2b8c r4:85065000 [ 1347.253803][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.253913][ T32] r10:61c88647 r9:85799800 r8:8506502c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.253964][ T32] r4:85065000 [ 1347.254020][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.254124][ T32] r10:00000000 r9:85065000 r8:80287e08 r7:ebaf9e60 r6:85065080 r5:85799800 [ 1347.254203][ T32] r4:00000001 [ 1347.254266][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.254377][ T32] Exception stack(0xebb05fb0 to 0xebb05ff8) [ 1347.254507][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1347.254634][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.254742][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.254810][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.254889][ T32] r4:848ddf40 [ 1347.255625][ T32] INFO: task kworker/1:1009:5545 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 4 printk messages dropped ** [ 1347.256281][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 9 printk messages dropped ** [ 1347.257103][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.257199][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.257250][ T32] r4:e044ddc0 [ 1347.257297][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.257397][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.257449][ T32] r4:00000000 [ 1347.257502][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.257601][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.257665][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.257759][ T32] r5:00001000 r4:ed353000 [ 1347.257807][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.257896][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.257991][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.258111][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.258231][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.258326][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.258438][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.258485][ T32] r4:84ab5800 [ 1347.258534][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1347.258817][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1347.259276][ T32] INFO: task kworker/1:1010:5547 blocked for more than 473 seconds. ** 7 printk messages dropped ** [ 1347.288916][ T32] r4:8579a400 ** 4 printk messages dropped ** [ 1347.296374][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb11e08 ** 11 printk messages dropped ** [ 1347.297379][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1347.297567][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1347.297732][ T32] r4:85065100 ** 6 printk messages dropped ** [ 1347.298033][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1347.312445][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1347.312709][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 6 printk messages dropped ** [ 1347.313206][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 10 printk messages dropped ** [ 1347.313768][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1347.314070][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1347.314536][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1347.315016][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1347.315688][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 1 printk messages dropped ** [ 1347.315799][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.315846][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.315901][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc05e08 [ 1347.315926][ T32] r4:00000000 [ 1347.315946][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.315983][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.316022][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.316071][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8577e640 [ 1347.316094][ T32] r4:00000000 [ 1347.316215][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.316294][ T32] r9:83018205 r8:8579b000 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 [ 1347.316322][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.316463][ T32] r5:00001000 r4:eb3b1000 [ 1347.316490][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.316580][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.316628][ T32] r5:856f3b8c r4:856f3800 [ 1347.316649][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.316700][ T32] r7:ddde2d80 r6:83018200 r5:856f3b8c r4:85065200 [ 1347.316723][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.316773][ T32] r10:61c88647 r9:8579b000 r8:8506522c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.316797][ T32] r4:85065200 [ 1347.316818][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.316866][ T32] r10:00000000 r9:85065200 r8:80287e08 r7:ebb11e60 r6:85065280 r5:8579b000 [ 1347.316933][ T32] r4:00000001 [ 1347.316960][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.317000][ T32] Exception stack(0xebc05fb0 to 0xebc05ff8) [ 1347.317028][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1347.317059][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.317088][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.317120][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.317273][ T32] r4:8577e040 [ 1347.317810][ T32] INFO: task kworker/1:1011:5549 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.317853][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.318074][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.318156][ T32] Call trace: [ 1347.318211][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.318272][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.318326][ T32] r4:00000000 [ 1347.318349][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.318400][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.318431][ T32] dd20: c9dbe000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.318489][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.318551][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.318587][ T32] r5:800d0013 r4:80239bb0 [ 1347.318682][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.318759][ T32] r4:82ac21e4 [ 1347.318870][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.319021][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.319052][ T32] r4:e044ddc0 [ 1347.319235][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.331947][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.332002][ T32] r4:00000000 [ 1347.332030][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.332105][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.332157][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.332257][ T32] r5:00001000 r4:ed353000 [ 1347.332285][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.332331][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.332389][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.332411][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1347.332619][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1347.332873][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 7 printk messages dropped ** [ 1347.333242][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 7 printk messages dropped ** [ 1347.333655][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 4 printk messages dropped ** [ 1347.333837][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1347.334170][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1347.334405][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1347.334749][ T32] r10:61c88647 r9:8579bc00 r8:8506532c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1347.335169][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1347.336593][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1347.337194][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1347.337590][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 10 printk messages dropped ** [ 1347.338553][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.338657][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.338720][ T32] r4:84ab5800 [ 1347.338791][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.338921][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.338991][ T32] r4:00000001 [ 1347.339035][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.339117][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.339180][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.339250][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.374238][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.374503][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.374568][ T32] r4:84ab0640 [ 1347.374631][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.374702][ T32] INFO: task kworker/1:1013:5553 blocked for more than 473 seconds. [ 1347.374778][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.374834][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.374907][ T32] task:kworker/1:1013 state:D stack:0 pid:5553 tgid:5553 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.375072][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.375199][ T32] Call trace: [ 1347.375303][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.375432][ T32] r10:8291a684 r9:ebc0dd84 r8:00000002 r7:60000013 r6:ebc0dd8c r5:8579c800 [ 1347.375495][ T32] r4:8579c800 [ 1347.375543][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.375666][ T32] r5:8579c800 r4:8291a680 [ 1347.375727][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.375817][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.375917][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc0de08 [ 1347.375981][ T32] r4:00000000 [ 1347.376033][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.376125][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.376220][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1347.376397][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1347.376709][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1347.376815][ T32] r5:856f378c r4:856f3400 ** 1 printk messages dropped ** [ 1347.376935][ T32] r7:ddde2d80 r6:83018200 r5:856f378c r4:85065400 ** 5 printk messages dropped ** [ 1347.377166][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1347.377325][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.377368][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.377394][ T32] r4:8577e300 [ 1347.377831][ T32] INFO: task kworker/1:1013:5553 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.377871][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.378003][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.378087][ T32] Call trace: [ 1347.378121][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.378207][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.378277][ T32] r4:00000000 [ 1347.378335][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.378389][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.378421][ T32] dd20: ca0f4000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.378452][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.378509][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.378542][ T32] r5:800d0013 r4:80239bb0 [ 1347.378595][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.378665][ T32] r4:82ac21e4 [ 1347.378692][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.378742][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.378767][ T32] r4:e044ddc0 [ 1347.378790][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.378836][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.378860][ T32] r4:00000000 [ 1347.378882][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.378932][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.378957][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.379003][ T32] r5:00001000 r4:ed353000 [ 1347.379027][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.379070][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.379115][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.379138][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.379216][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.389100][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.390195][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.390275][ T32] r4:84ab5800 [ 1347.390329][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.390469][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.390533][ T32] r4:00000001 [ 1347.390623][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.390716][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.390779][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.390857][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1347.391035][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 8 printk messages dropped ** [ 1347.391852][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 9 printk messages dropped ** [ 1347.392646][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1347.393593][ T32] r5:856f3f8c r4:856f3c00 [ 1347.393642][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.393738][ T32] r7:ddde2d80 r6:83018200 r5:856f3f8c r4:85065500 ** 3 printk messages dropped ** [ 1347.394005][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1347.394693][ T32] r4:8577e4c0 ** 5 printk messages dropped ** [ 1347.396080][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1347.396818][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1347.397241][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1347.397766][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1347.398474][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1347.399108][ T32] INFO: task kworker/1:1015:5557 blocked for more than 473 seconds. ** 9 printk messages dropped ** [ 1347.428450][ T32] r5:8579e000 r4:8291a680 ** 1 printk messages dropped ** [ 1347.428577][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.428641][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc41e08 [ 1347.428669][ T32] r4:00000000 [ 1347.428695][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.428737][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.428783][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.428830][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8577eac0 [ 1347.428858][ T32] r4:00000000 [ 1347.428883][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.428958][ T32] r9:83018205 r8:8579e000 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1347.428991][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.429059][ T32] r5:00001000 r4:eb599000 [ 1347.429121][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.429185][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.434945][ T32] r5:856fc78c r4:856fc400 [ 1347.435093][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.435246][ T32] r7:ddde2d80 r6:83018200 r5:856fc78c r4:85065600 [ 1347.435313][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.435489][ T32] r10:61c88647 r9:8579e000 r8:8506562c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.435562][ T32] r4:85065600 [ 1347.435623][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.435728][ T32] r10:00000000 r9:85065600 r8:80287e08 r7:ebc11e60 r6:85065680 r5:8579e000 [ 1347.435777][ T32] r4:00000001 [ 1347.435843][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.435939][ T32] Exception stack(0xebc41fb0 to 0xebc41ff8) [ 1347.436000][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1347.436078][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.436161][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.436230][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.436298][ T32] r4:8577e6c0 [ 1347.437070][ T32] INFO: task kworker/1:1015:5557 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.437163][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.437316][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.437429][ T32] Call trace: [ 1347.437519][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.437651][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.437719][ T32] r4:00000000 [ 1347.437790][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.437890][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.437958][ T32] dd20: ca2de000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.438051][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.438119][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.438175][ T32] r5:800d0013 r4:80239bb0 [ 1347.438222][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.438342][ T32] r4:82ac21e4 [ 1347.438393][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.438485][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.438542][ T32] r4:e044ddc0 [ 1347.438590][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.438697][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.438783][ T32] r4:00000000 [ 1347.438858][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.438981][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.439040][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.439157][ T32] r5:00001000 r4:ed353000 [ 1347.439215][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.455306][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.455625][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.455707][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.455824][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.455884][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.456013][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.456075][ T32] r4:84ab5800 [ 1347.456147][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1347.456343][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1347.456699][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1347.457473][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1347.458183][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1347.459099][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1347.475438][ T32] r5:856fc38c r4:856fc000 ** 1 printk messages dropped ** [ 1347.475718][ T32] r7:ddde2d80 r6:83018200 r5:856fc38c r4:85065700 ** 6 printk messages dropped ** [ 1347.476329][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1347.478183][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1347.479230][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 5 printk messages dropped ** [ 1347.500845][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1347.501427][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1347.501912][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 1 printk messages dropped ** [ 1347.502116][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.502194][ T32] r4:84ab5800 [ 1347.502252][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.502401][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.502463][ T32] r4:00000001 [ 1347.502514][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.502626][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.502693][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.502761][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.502826][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.502902][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.502960][ T32] r4:84ab0640 [ 1347.503017][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.503085][ T32] INFO: task kworker/1:1017:5561 blocked for more than 473 seconds. [ 1347.503160][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.503218][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.503297][ T32] task:kworker/1:1017 state:D stack:0 pid:5561 tgid:5561 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.503445][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.503552][ T32] Call trace: [ 1347.503635][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.503752][ T32] r10:8291a684 r9:ebc49d84 r8:00000002 r7:60000013 r6:ebc49d8c r5:857a8000 [ 1347.503812][ T32] r4:857a8000 [ 1347.503861][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.503991][ T32] r5:857a8000 r4:8291a680 [ 1347.504052][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.504170][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.504299][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc49e08 [ 1347.504364][ T32] r4:00000000 [ 1347.504429][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.504561][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.504664][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.504762][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8577ec40 [ 1347.504836][ T32] r4:00000000 [ 1347.504909][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.505026][ T32] r9:83018205 r8:857a8000 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 [ 1347.505096][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.505223][ T32] r5:00001000 r4:eb743000 [ 1347.505281][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.505374][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.505472][ T32] r5:856fcb8c r4:856fc800 [ 1347.505522][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.505661][ T32] r7:ddde2d80 r6:83018200 r5:856fcb8c r4:85065800 [ 1347.505730][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.505860][ T32] r10:61c88647 r9:857a8000 r8:8506582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1347.506396][ T32] Exception stack(0xebc49fb0 to 0xebc49ff8) ** 7 printk messages dropped ** [ 1347.507499][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1347.507870][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1347.508344][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1347.509167][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1347.541192][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 8 printk messages dropped ** [ 1347.541835][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1347.542403][ T32] r4:857a8c00 ** 3 printk messages dropped ** [ 1347.542703][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1347.543382][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1347.543905][ T32] r5:856fcf8c r4:856fcc00 [ 1347.543928][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1347.544120][ T32] r4:85065900 ** 4 printk messages dropped ** [ 1347.544547][ T32] Exception stack(0xebc4dfb0 to 0xebc4dff8) [ 1347.544592][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.544675][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.544713][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.544745][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.544769][ T32] r4:8577ea80 [ 1347.545220][ T32] INFO: task kworker/1:1018:5563 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.545264][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.545521][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.545624][ T32] Call trace: [ 1347.545668][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.545729][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.545825][ T32] r4:00000000 [ 1347.545882][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.545935][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.546038][ T32] dd20: ca900000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.546087][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.546120][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.546240][ T32] r5:800d0013 r4:80239bb0 [ 1347.546279][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.546329][ T32] r4:82ac21e4 [ 1347.546375][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.546535][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.546567][ T32] r4:e044ddc0 [ 1347.546592][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.546650][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.546678][ T32] r4:00000000 [ 1347.546743][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.546802][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.546856][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.546973][ T32] r5:00001000 r4:ed353000 [ 1347.547008][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.547181][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.547296][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.547334][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.547393][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.547417][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.547554][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.547591][ T32] r4:84ab5800 [ 1347.547622][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.547689][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.547719][ T32] r4:00000001 [ 1347.547743][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.547790][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.547822][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.547854][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.547887][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.548097][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.548126][ T32] r4:84ab0640 [ 1347.548148][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.548178][ T32] INFO: task kworker/1:1019:5565 blocked for more than 473 seconds. [ 1347.548211][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.548305][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.548333][ T32] task:kworker/1:1019 state:D stack:0 pid:5565 tgid:5565 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.548522][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.548605][ T32] Call trace: [ 1347.548685][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.548806][ T32] r10:8291a684 r9:ebc55d84 r8:00000002 r7:60000013 r6:ebc55d8c r5:857a9800 [ 1347.548876][ T32] r4:857a9800 [ 1347.548934][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.549041][ T32] r5:857a9800 r4:8291a680 [ 1347.549095][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.549186][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.562116][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc55e08 [ 1347.562302][ T32] r4:00000000 [ 1347.562378][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.562496][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.562580][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.562676][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8577efc0 [ 1347.562748][ T32] r4:00000000 [ 1347.562985][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.563096][ T32] r9:83018205 r8:857a9800 r7:00000000 r6:83018200 r5:00001000 r4:7f081000 [ 1347.563147][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.563239][ T32] r5:00001000 r4:eb777000 ** 2 printk messages dropped ** [ 1347.563489][ T32] r5:856fd38c r4:856fd000 [ 1347.563535][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.563634][ T32] r7:ddde2d80 r6:83018200 r5:856fd38c r4:85065a00 [ 1347.563678][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1347.564039][ T32] r10:00000000 r9:85065a00 r8:80287e08 r7:ebc4de60 r6:85065a80 r5:857a9800 ** 9 printk messages dropped ** [ 1347.565435][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1347.566111][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 2 printk messages dropped ** [ 1347.566298][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 4 printk messages dropped ** [ 1347.566627][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 10 printk messages dropped ** [ 1347.567469][ T32] r5:85c0ff8c r4:85c0fc00 ** 4 printk messages dropped ** [ 1347.567861][ T32] r4:84ab5800 ** 2 printk messages dropped ** [ 1347.568067][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1347.568380][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1347.569039][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1347.600993][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.601091][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc69e08 [ 1347.601167][ T32] r4:00000000 [ 1347.601241][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.601325][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.601410][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.601502][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8577ef80 [ 1347.601550][ T32] r4:00000000 [ 1347.601644][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.601779][ T32] r9:83018205 r8:84ae6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1347.601836][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.601931][ T32] r5:00001000 r4:eb797000 [ 1347.601992][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.602083][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.602190][ T32] r5:856fd78c r4:856fd400 [ 1347.602241][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.602366][ T32] r7:ddde2d80 r6:83018200 r5:856fd78c r4:85065b00 [ 1347.602429][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.602567][ T32] r10:61c88647 r9:84ae6c00 r8:85065b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.602638][ T32] r4:85065b00 [ 1347.602702][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.602827][ T32] r10:00000000 r9:85065b00 r8:80287e08 r7:ebc55e60 r6:85098300 r5:84ae6c00 [ 1347.602883][ T32] r4:00000001 [ 1347.602930][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.603011][ T32] Exception stack(0xebc69fb0 to 0xebc69ff8) [ 1347.603073][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1347.603153][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.603233][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.603299][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.603348][ T32] r4:850b4380 [ 1347.604158][ T32] INFO: task kworker/1:1020:5567 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.604244][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.604436][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.604599][ T32] Call trace: [ 1347.604701][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.604812][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.604862][ T32] r4:00000000 [ 1347.604922][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.605013][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.605082][ T32] dd20: cab3e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.605147][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.605201][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.605269][ T32] r5:800d0013 r4:80239bb0 [ 1347.605318][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.605425][ T32] r4:82ac21e4 [ 1347.605500][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.605640][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.605815][ T32] r4:e044ddc0 [ 1347.605896][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.606001][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.606087][ T32] r4:00000000 [ 1347.606169][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.606296][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.606354][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.606468][ T32] r5:00001000 r4:ed353000 [ 1347.606534][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.606631][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.606723][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.606768][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.606881][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.606931][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.607048][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.607121][ T32] r4:84ab5800 [ 1347.607168][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.607393][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.607458][ T32] r4:00000001 [ 1347.607529][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.607638][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.607709][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.607797][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.607866][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.607931][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.608006][ T32] r4:84ab0640 [ 1347.608063][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.608129][ T32] INFO: task kworker/1:1022:5570 blocked for more than 474 seconds. [ 1347.608200][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.608259][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.608307][ T32] task:kworker/1:1022 state:D stack:0 pid:5570 tgid:5570 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.608438][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.608577][ T32] Call trace: [ 1347.608679][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.608802][ T32] r10:8291a684 r9:ebc75d84 r8:00000002 r7:60000013 r6:ebc75d8c r5:84ae4800 [ 1347.608857][ T32] r4:84ae4800 [ 1347.608902][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.608990][ T32] r5:84ae4800 r4:8291a680 [ 1347.609035][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.609110][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.609199][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc75e08 [ 1347.609276][ T32] r4:00000000 [ 1347.609396][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.640686][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.640876][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.640988][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fb040 [ 1347.641072][ T32] r4:00000000 [ 1347.641198][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.641344][ T32] r9:83018205 r8:84ae4800 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 [ 1347.641426][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.641542][ T32] r5:00001000 r4:eb921000 [ 1347.641597][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.641705][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.641811][ T32] r5:856fdb8c r4:856fd800 [ 1347.641865][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.641986][ T32] r7:ddde2d80 r6:83018200 r5:856fdb8c r4:85065c00 [ 1347.642071][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.642188][ T32] r10:61c88647 r9:84ae4800 r8:85065c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.642266][ T32] r4:85065c00 [ 1347.642326][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.642463][ T32] r10:00000000 r9:85065c00 r8:80287e08 r7:ebc71e60 r6:85098400 r5:84ae4800 [ 1347.642525][ T32] r4:00000001 [ 1347.642578][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.642694][ T32] Exception stack(0xebc75fb0 to 0xebc75ff8) [ 1347.642768][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1347.642859][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.642945][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.643014][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.643075][ T32] r4:857fb000 [ 1347.643869][ T32] INFO: task kworker/1:1022:5570 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 2 printk messages dropped ** [ 1347.644246][ T32] Call trace: ** 4 printk messages dropped ** [ 1347.644549][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.644602][ T32] dd20: cad23000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.644637][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.644665][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.644691][ T32] r5:800d0013 r4:80239bb0 [ 1347.644713][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.644763][ T32] r4:82ac21e4 [ 1347.644820][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.644873][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.644899][ T32] r4:e044ddc0 [ 1347.644921][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.644993][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.645024][ T32] r4:00000000 [ 1347.645073][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.645172][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.645277][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.645369][ T32] r5:00001000 r4:ed353000 [ 1347.645398][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.645505][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.645562][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.645615][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.645673][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.645699][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.645782][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.645844][ T32] r4:84ab5800 [ 1347.645911][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.646029][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.646087][ T32] r4:00000001 [ 1347.646156][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.646258][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.646330][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.646404][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.646462][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.646524][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.646577][ T32] r4:84ab0640 [ 1347.646626][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.646721][ T32] INFO: task kworker/1:1023:5572 blocked for more than 474 seconds. [ 1347.646806][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.646868][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.646918][ T32] task:kworker/1:1023 state:D stack:0 pid:5572 tgid:5572 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.647126][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1347.647298][ T32] r10:8291a684 r9:ebc7dd84 r8:00000002 r7:60000013 r6:ebc7dd8c r5:84ae6000 ** 3 printk messages dropped ** [ 1347.647503][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1347.647699][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 2 printk messages dropped ** [ 1347.647854][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1347.648123][ T32] r5:00001000 r4:eb941000 ** 2 printk messages dropped ** [ 1347.648234][ T32] r5:856fdf8c r4:856fdc00 [ 1347.648255][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.648303][ T32] r7:ddde2d80 r6:83018200 r5:856fdf8c r4:85065c80 ** 1 printk messages dropped ** [ 1347.648385][ T32] r10:61c88647 r9:84ae6000 r8:85065cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 4 printk messages dropped ** [ 1347.648668][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1347.673438][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 7 printk messages dropped ** [ 1347.674017][ T32] dd20: caeb9000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1347.674496][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1347.675284][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1347.676047][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1347.676811][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1347.677657][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc85e08 ** 7 printk messages dropped ** [ 1347.678156][ T32] r9:83018205 r8:84ac0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f089000 ** 4 printk messages dropped ** [ 1347.678373][ T32] r5:856fe38c r4:856fe000 [ 1347.678415][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.678530][ T32] r7:ddde2d80 r6:83018200 r5:856fe38c r4:85065d00 [ 1347.678620][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.678744][ T32] r10:61c88647 r9:84ac0c00 r8:85065d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.678805][ T32] r4:85065d00 [ 1347.678854][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.678980][ T32] r10:00000000 r9:85065d00 r8:80287e08 r7:ebc71e60 r6:85098500 r5:84ac0c00 [ 1347.679046][ T32] r4:00000001 [ 1347.679095][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.679188][ T32] Exception stack(0xebc85fb0 to 0xebc85ff8) [ 1347.679337][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1347.710454][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.710568][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.710640][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.710695][ T32] r4:857fb440 [ 1347.711496][ T32] INFO: task kworker/1:1024:5574 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.711585][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.711778][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.711978][ T32] Call trace: [ 1347.712089][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.712215][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.712294][ T32] r4:00000000 [ 1347.712351][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.712469][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.712565][ T32] dd20: cb129000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.712654][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.712826][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.712901][ T32] r5:800d0013 r4:80239bb0 [ 1347.712954][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.713055][ T32] r4:82ac21e4 [ 1347.713123][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.713246][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.713300][ T32] r4:e044ddc0 [ 1347.713366][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.713474][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.713524][ T32] r4:00000000 [ 1347.713566][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.713689][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.713761][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.713877][ T32] r5:00001000 r4:ed353000 [ 1347.713929][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.714015][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.714216][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.714269][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.714414][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.714469][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.714606][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.714666][ T32] r4:84ab5800 [ 1347.714711][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.714811][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.714864][ T32] r4:00000001 [ 1347.714911][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.715027][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.715100][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.715171][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.715246][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.715332][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.715416][ T32] r4:84ab0640 [ 1347.715489][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.715619][ T32] INFO: task kworker/0:197:5590 blocked for more than 474 seconds. [ 1347.715718][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.715778][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.715829][ T32] task:kworker/0:197 state:D stack:0 pid:5590 tgid:5590 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.715944][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.716067][ T32] Call trace: [ 1347.716136][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.716238][ T32] r10:8291a684 r9:ebcedd84 r8:00000002 r7:60000113 r6:ebcedd8c r5:84ac0000 [ 1347.716289][ T32] r4:84ac0000 [ 1347.716334][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.716434][ T32] r5:84ac0000 r4:8291a680 [ 1347.716498][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.716614][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.716707][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebcede08 [ 1347.716757][ T32] r4:00000000 [ 1347.716819][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) ** 5 printk messages dropped ** [ 1347.717328][ T32] r9:83018005 r8:84ac0000 r7:00000000 r6:83018000 r5:00001000 r4:7f05f000 ** 3 printk messages dropped ** [ 1347.717597][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1347.718036][ T32] r10:61c88647 r9:84ac0000 r8:8509862c r7:82804d40 r6:dddced80 r5:dddceda0 ** 2 printk messages dropped ** [ 1347.718274][ T32] r10:00000000 r9:85098600 r8:80287e08 r7:ebad9e60 r6:85098680 r5:84ac0000 ** 6 printk messages dropped ** [ 1347.718832][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.718886][ T32] r4:857f6f80 [ 1347.735248][ T32] INFO: task kworker/0:197:5590 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.735518][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.735738][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.735866][ T32] Call trace: [ 1347.735977][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.736131][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.736191][ T32] r4:00000000 [ 1347.736256][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.736349][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.736422][ T32] dd20: cb129000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.736485][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.736574][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.736650][ T32] r5:800d0013 r4:80239bb0 [ 1347.736700][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.736790][ T32] r4:82ac21e4 [ 1347.736835][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.736924][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.736989][ T32] r4:e044ddc0 [ 1347.737041][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.737134][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.737195][ T32] r4:00000000 [ 1347.737244][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.737349][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.737403][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.737509][ T32] r5:00001000 r4:ed353000 [ 1347.737575][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.737673][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.737767][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.737810][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.737909][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.737954][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.738074][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.738132][ T32] r4:84ab5800 [ 1347.738175][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.738271][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.738349][ T32] r4:00000001 [ 1347.738403][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.738481][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.738558][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.738629][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.738691][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.738753][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.738801][ T32] r4:84ab0640 [ 1347.738851][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.738913][ T32] INFO: task kworker/0:198:5629 blocked for more than 474 seconds. [ 1347.739003][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.739071][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.739121][ T32] task:kworker/0:198 state:D stack:0 pid:5629 tgid:5629 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.739223][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1347.755125][ T32] r4:84ac4800 ** 4 printk messages dropped ** [ 1347.755575][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc59e08 ** 9 printk messages dropped ** [ 1347.756410][ T32] r5:00001000 r4:ea91b000 ** 1 printk messages dropped ** [ 1347.756633][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.756752][ T32] r5:841ddb8c r4:841dd800 [ 1347.756806][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1347.757088][ T32] r10:61c88647 r9:84ac4800 r8:8509872c r7:82804d40 r6:dddced80 r5:dddceda0 ** 3 printk messages dropped ** [ 1347.757400][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1347.757698][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1347.759109][ T32] Call trace: ** 2 printk messages dropped ** [ 1347.777146][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1347.777448][ T32] dd20: cb326000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 4 printk messages dropped ** [ 1347.777864][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1347.778117][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1347.778621][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 9 printk messages dropped ** [ 1347.795076][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1347.795887][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.795946][ T32] r4:84ab0640 [ 1347.795999][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.796097][ T32] INFO: task kworker/0:199:5640 blocked for more than 474 seconds. [ 1347.796195][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.796293][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.796354][ T32] task:kworker/0:199 state:D stack:0 pid:5640 tgid:5640 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.796494][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.796646][ T32] Call trace: [ 1347.796719][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.796824][ T32] r10:8291a684 r9:ec591d84 r8:00000002 r7:60000013 r6:ec591d8c r5:84ac3c00 [ 1347.796873][ T32] r4:84ac3c00 [ 1347.796917][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.797005][ T32] r5:84ac3c00 r4:8291a680 [ 1347.797051][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.797131][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.797222][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec591e08 [ 1347.797283][ T32] r4:00000000 [ 1347.797329][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.797438][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.797526][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.797620][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c6c80 [ 1347.797690][ T32] r4:00000000 [ 1347.797740][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.797839][ T32] r9:83018005 r8:84ac3c00 r7:00000000 r6:83018000 r5:00001000 r4:7f06b000 [ 1347.797888][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.797976][ T32] r5:00001000 r4:eaff7000 [ 1347.798041][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.798148][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.798242][ T32] r5:8576438c r4:85764000 [ 1347.798329][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.798457][ T32] r7:dddced80 r6:83018000 r5:8576438c r4:85098800 [ 1347.798531][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.798680][ T32] r10:61c88647 r9:84ac3c00 r8:8509882c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1347.798740][ T32] r4:85098800 [ 1347.798783][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.798906][ T32] r10:00000000 r9:85098800 r8:80287e08 r7:ebad9e60 r6:85098880 r5:84ac3c00 [ 1347.798962][ T32] r4:00000001 [ 1347.799009][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.799092][ T32] Exception stack(0xec591fb0 to 0xec591ff8) [ 1347.799153][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1347.799239][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.799351][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.810513][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.810665][ T32] r4:851c68c0 [ 1347.811397][ T32] INFO: task kworker/0:199:5640 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.811499][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.811701][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.811869][ T32] Call trace: [ 1347.811977][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.812106][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 3 printk messages dropped ** [ 1347.812412][ T32] dd20: cb566000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 6 printk messages dropped ** [ 1347.812915][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 7 printk messages dropped ** [ 1347.813435][ T32] r5:00001000 r4:ed353000 ** 1 printk messages dropped ** [ 1347.813605][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1347.814231][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1347.814638][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1347.814927][ T32] task:kworker/0:200 state:D stack:0 pid:5642 tgid:5642 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 7 printk messages dropped ** [ 1347.815878][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1347.816190][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c6e00 ** 6 printk messages dropped ** [ 1347.816561][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1347.816827][ T32] r7:dddced80 r6:83018000 r5:8576478c r4:85098900 ** 1 printk messages dropped ** [ 1347.816976][ T32] r10:61c88647 r9:84ac5400 r8:8509892c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1347.817026][ T32] r4:85098900 [ 1347.817074][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.817173][ T32] r10:00000000 r9:85098900 r8:80287e08 r7:ec591e60 r6:85098980 r5:84ac5400 [ 1347.817224][ T32] r4:00000001 [ 1347.817266][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.817344][ T32] Exception stack(0xebb51fb0 to 0xebb51ff8) [ 1347.817414][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1347.817479][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.817537][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.817646][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.817710][ T32] r4:851c6a00 [ 1347.818197][ T32] INFO: task kworker/0:200:5642 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.818285][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.818467][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.818572][ T32] Call trace: [ 1347.818649][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.818719][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.818748][ T32] r4:00000000 [ 1347.818770][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.818816][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.818848][ T32] dd20: cb566000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.818910][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.818943][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.818971][ T32] r5:800d0013 r4:80239bb0 [ 1347.819023][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.819078][ T32] r4:82ac21e4 [ 1347.819129][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.819183][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.819241][ T32] r4:e044ddc0 [ 1347.855338][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.855533][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.855593][ T32] r4:00000000 [ 1347.855643][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.855749][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.855805][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.855905][ T32] r5:00001000 r4:ed353000 [ 1347.855953][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.856042][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.856135][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.856184][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.856290][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.856338][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.856469][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.856556][ T32] r4:84ab5800 [ 1347.856603][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.856697][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.856744][ T32] r4:00000001 [ 1347.856785][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.856867][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.856964][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.857035][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.857094][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.857155][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.857204][ T32] r4:84ab0640 [ 1347.857253][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.857315][ T32] INFO: task kworker/0:201:5644 blocked for more than 474 seconds. [ 1347.857380][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.857438][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.857503][ T32] task:kworker/0:201 state:D stack:0 pid:5644 tgid:5644 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.857625][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.857720][ T32] Call trace: [ 1347.857789][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.857896][ T32] r10:8291a684 r9:ebba9d84 r8:00000002 r7:60000013 r6:ebba9d8c r5:84ac6000 [ 1347.857946][ T32] r4:84ac6000 [ 1347.857991][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.858098][ T32] r5:84ac6000 r4:8291a680 [ 1347.858182][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.858274][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.858406][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebba9e08 [ 1347.858457][ T32] r4:00000000 [ 1347.858501][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.858577][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.858657][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.858743][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c6f40 [ 1347.858828][ T32] r4:00000000 [ 1347.858897][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.859001][ T32] r9:83018005 r8:84ac6000 r7:00000000 r6:83018000 r5:00001000 r4:7f06f000 [ 1347.859052][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.859210][ T32] r5:00001000 r4:eb33b000 [ 1347.859352][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.867527][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.867636][ T32] r5:85764b8c r4:85764800 [ 1347.867665][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.867737][ T32] r7:dddced80 r6:83018000 r5:85764b8c r4:85098a00 [ 1347.867795][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.867859][ T32] r10:61c88647 r9:84ac6000 r8:85098a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1347.867887][ T32] r4:85098a00 [ 1347.867911][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.867971][ T32] r10:00000000 r9:85098a00 r8:80287e08 r7:ebb51e60 r6:85098a80 r5:84ac6000 [ 1347.868015][ T32] r4:00000001 [ 1347.868069][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.868119][ T32] Exception stack(0xebba9fb0 to 0xebba9ff8) [ 1347.868154][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1347.868193][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.868226][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.868259][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 3 printk messages dropped ** [ 1347.869081][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1347.881939][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 9 printk messages dropped ** [ 1347.882614][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1347.883124][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1347.883653][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 4 printk messages dropped ** [ 1347.884178][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1347.884400][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.884489][ T32] r4:84ab0640 [ 1347.884586][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.884661][ T32] INFO: task kworker/0:202:5646 blocked for more than 474 seconds. [ 1347.884741][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.884803][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.884885][ T32] task:kworker/0:202 state:D stack:0 pid:5646 tgid:5646 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.885045][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.885188][ T32] Call trace: [ 1347.885294][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1347.885438][ T32] r10:8291a684 r9:ec599d84 r8:00000002 r7:60000013 r6:ec599d8c r5:84ac6c00 [ 1347.885499][ T32] r4:84ac6c00 [ 1347.885552][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1347.885675][ T32] r5:84ac6c00 r4:8291a680 [ 1347.885736][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.885831][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.885935][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec599e08 [ 1347.885991][ T32] r4:00000000 [ 1347.886040][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1347.886152][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1347.886260][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.886368][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c6480 [ 1347.886453][ T32] r4:00000000 [ 1347.886508][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.886615][ T32] r9:83018005 r8:84ac6c00 r7:00000000 r6:83018000 r5:00001000 r4:7f071000 [ 1347.886692][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.886798][ T32] r5:00001000 r4:eb3d5000 [ 1347.886871][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.886968][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.887121][ T32] r5:85764f8c r4:85764c00 [ 1347.887184][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.887299][ T32] r7:dddced80 r6:83018000 r5:85764f8c r4:85098b00 [ 1347.887353][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.887496][ T32] r10:61c88647 r9:84ac6c00 r8:85098b2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1347.887578][ T32] r4:85098b00 [ 1347.887637][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.887742][ T32] r10:00000000 r9:85098b00 r8:80287e08 r7:ebba9e60 r6:85098b80 r5:84ac6c00 [ 1347.887795][ T32] r4:00000001 [ 1347.887843][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.887922][ T32] Exception stack(0xec599fb0 to 0xec599ff8) [ 1347.887994][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1347.888090][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.888156][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.888348][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.888412][ T32] r4:851c6dc0 [ 1347.889327][ T32] INFO: task kworker/0:202:5646 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.914580][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.914821][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.914972][ T32] Call trace: [ 1347.915059][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.915186][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.915242][ T32] r4:00000000 [ 1347.915312][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.915412][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.915482][ T32] dd20: cbb4a000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.915547][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.915606][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.915661][ T32] r5:800d0013 r4:80239bb0 [ 1347.915707][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.915803][ T32] r4:82ac21e4 [ 1347.915853][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.915954][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.916007][ T32] r4:e044ddc0 [ 1347.916072][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.916185][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.916259][ T32] r4:00000000 [ 1347.916331][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.916473][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.916589][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.916695][ T32] r5:00001000 r4:ed353000 [ 1347.916745][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.916832][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.916978][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.917092][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.917211][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.917259][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.917362][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.917423][ T32] r4:84ab5800 [ 1347.917469][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.917573][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.917659][ T32] r4:00000001 [ 1347.917731][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 1 printk messages dropped ** [ 1347.917902][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1347.918970][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1347.945518][ T32] r4:84ac3000 ** 3 printk messages dropped ** [ 1347.945895][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1347.946509][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 5 printk messages dropped ** [ 1347.946974][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.947091][ T32] r5:00001000 r4:eb509000 [ 1347.947176][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.947279][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.947388][ T32] r5:8576538c r4:85765000 [ 1347.947466][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.947583][ T32] r7:dddced80 r6:83018000 r5:8576538c r4:85098c00 [ 1347.947640][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.947770][ T32] r10:61c88647 r9:84ac3000 r8:85098c2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1347.947832][ T32] r4:85098c00 [ 1347.947879][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.947980][ T32] r10:00000000 r9:85098c00 r8:80287e08 r7:ec599e60 r6:85098c80 r5:84ac3000 [ 1347.948030][ T32] r4:00000001 [ 1347.948094][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.948188][ T32] Exception stack(0xec595fb0 to 0xec595ff8) [ 1347.948260][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1347.948331][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.948407][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.948480][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.948598][ T32] r4:851c6ec0 [ 1347.958121][ T32] INFO: task kworker/0:203:5648 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1347.958360][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.958555][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.958698][ T32] Call trace: [ 1347.958825][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1347.958955][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1347.959068][ T32] r4:00000000 [ 1347.959135][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.959220][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1347.959422][ T32] dd20: cbce1000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1347.970350][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1347.970461][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1347.970545][ T32] r5:800d0013 r4:80239bb0 [ 1347.970599][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.970726][ T32] r4:82ac21e4 [ 1347.970771][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.970861][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1347.970910][ T32] r4:e044ddc0 [ 1347.970951][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1347.971056][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1347.971110][ T32] r4:00000000 [ 1347.971154][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1347.971251][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1347.971304][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1347.971408][ T32] r5:00001000 r4:ed353000 [ 1347.971456][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1347.971543][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.971639][ T32] r5:85c0ff8c r4:85c0fc00 [ 1347.971689][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1347.971783][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1347.971826][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1347.971924][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.971974][ T32] r4:84ab5800 [ 1347.972017][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1347.972140][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1347.972196][ T32] r4:00000001 [ 1347.972240][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.972317][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1347.972377][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.972447][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.972543][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.972633][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1347.972692][ T32] r4:84ab0640 [ 1347.972748][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.972816][ T32] INFO: task kworker/0:204:5651 blocked for more than 474 seconds. [ 1347.972893][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1347.972980][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.973062][ T32] task:kworker/0:204 state:D stack:0 pid:5651 tgid:5651 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.973195][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.973342][ T32] Call trace: ** 2 printk messages dropped ** [ 1347.973645][ T32] r4:83be0000 ** 4 printk messages dropped ** [ 1347.974152][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5a1e08 ** 8 printk messages dropped ** [ 1347.974919][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1347.975171][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.975269][ T32] r5:8576578c r4:85765400 ** 1 printk messages dropped ** [ 1347.975429][ T32] r7:dddced80 r6:83018000 r5:8576578c r4:85098d00 ** 1 printk messages dropped ** [ 1347.975631][ T32] r10:61c88647 r9:83be0000 r8:85098d2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1347.976137][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1347.977718][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1347.978365][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1347.978721][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1348.000493][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 6 printk messages dropped ** [ 1348.000764][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1348.001046][ T32] INFO: task kworker/0:205:5652 blocked for more than 474 seconds. ** 7 printk messages dropped ** [ 1348.001851][ T32] r4:857ab000 ** 4 printk messages dropped ** [ 1348.002269][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5a5e08 ** 7 printk messages dropped ** [ 1348.002593][ T32] r9:83018005 r8:857ab000 r7:00000000 r6:83018000 r5:00001000 r4:7f077000 [ 1348.002618][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.002670][ T32] r5:00001000 r4:eb74b000 [ 1348.002694][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.002739][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.002787][ T32] r5:85765b8c r4:85765800 [ 1348.002810][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.002861][ T32] r7:dddced80 r6:83018000 r5:85765b8c r4:85098e00 [ 1348.002884][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.002954][ T32] r10:61c88647 r9:857ab000 r8:85098e2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.002986][ T32] r4:85098e00 [ 1348.003008][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.003059][ T32] r10:00000000 r9:85098e00 r8:80287e08 r7:ec5a1e60 r6:85065e00 r5:857ab000 [ 1348.003085][ T32] r4:00000001 [ 1348.003106][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.003144][ T32] Exception stack(0xec5a5fb0 to 0xec5a5ff8) [ 1348.003175][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.003207][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.003236][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.003267][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.003291][ T32] r4:851983c0 [ 1348.003765][ T32] INFO: task kworker/0:205:5652 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.003808][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.003876][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.003926][ T32] Call trace: [ 1348.003959][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.004017][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.004042][ T32] r4:00000000 [ 1348.004064][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.004108][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.004155][ T32] dd20: cbfa1000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.004193][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.004222][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.004248][ T32] r5:800d0013 r4:80239bb0 [ 1348.004270][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.004316][ T32] r4:82ac21e4 [ 1348.004340][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.004395][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.004423][ T32] r4:e044ddc0 [ 1348.004445][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.004492][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.004573][ T32] r4:00000000 [ 1348.004599][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.004653][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.004694][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.004748][ T32] r5:00001000 r4:ed353000 [ 1348.004772][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.004819][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.004866][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.004889][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.004941][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.004977][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.005095][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.005158][ T32] r4:84ab5800 [ 1348.005210][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.005322][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.005393][ T32] r4:00000001 [ 1348.005445][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.005542][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.005607][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.005677][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.005746][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.005821][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.005883][ T32] r4:84ab0640 [ 1348.005939][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.005982][ T32] INFO: task kworker/0:206:5654 blocked for more than 474 seconds. [ 1348.006016][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.006043][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.006070][ T32] task:kworker/0:206 state:D stack:0 pid:5654 tgid:5654 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.006124][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.006173][ T32] Call trace: [ 1348.006207][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.006261][ T32] r10:8291a684 r9:ec5add84 r8:00000002 r7:60000113 r6:ec5add8c r5:857ae000 [ 1348.006287][ T32] r4:857ae000 [ 1348.006309][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.006376][ T32] r5:857ae000 r4:8291a680 [ 1348.006413][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.006458][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.006520][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5ade08 [ 1348.006644][ T32] r4:00000000 [ 1348.006670][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.006946][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.006991][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.007066][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85198540 [ 1348.007098][ T32] r4:00000000 [ 1348.007121][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.007390][ T32] r9:83018005 r8:857ae000 r7:00000000 r6:83018000 r5:00001000 r4:7f079000 [ 1348.007421][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.007471][ T32] r5:00001000 r4:eb76b000 [ 1348.007564][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.007614][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.007662][ T32] r5:85765f8c r4:85765c00 [ 1348.007685][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.007736][ T32] r7:dddced80 r6:83018000 r5:85765f8c r4:85098e80 [ 1348.007760][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.007812][ T32] r10:61c88647 r9:857ae000 r8:85098eac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1348.008236][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1348.008633][ T32] INFO: task kworker/0:206:5654 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.008677][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.008743][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.008811][ T32] Call trace: [ 1348.008850][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.008910][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.008937][ T32] r4:00000000 [ 1348.009025][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.009075][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.009132][ T32] dd20: cbfa1000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.009187][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.009272][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.009406][ T32] r5:800d0013 r4:80239bb0 [ 1348.040257][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.040554][ T32] r4:82ac21e4 [ 1348.040611][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.040727][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.040790][ T32] r4:e044ddc0 [ 1348.040840][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.040937][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.040992][ T32] r4:00000000 [ 1348.041056][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.041174][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.041230][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.041327][ T32] r5:00001000 r4:ed353000 [ 1348.041378][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.041488][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.041589][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.041660][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.041773][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.041819][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.041920][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.041993][ T32] r4:84ab5800 [ 1348.042044][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.042143][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.042193][ T32] r4:00000001 [ 1348.042237][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.042317][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.042393][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.042458][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.042518][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.042578][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.042627][ T32] r4:84ab0640 [ 1348.042685][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.042782][ T32] INFO: task kworker/0:207:5656 blocked for more than 474 seconds. [ 1348.042858][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.042946][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.043008][ T32] task:kworker/0:207 state:D stack:0 pid:5656 tgid:5656 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.043156][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.043269][ T32] Call trace: [ 1348.043344][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.043475][ T32] r10:8291a684 r9:ec5b5d84 r8:00000002 r7:60000113 r6:ec5b5d8c r5:857ad400 [ 1348.043530][ T32] r4:857ad400 [ 1348.043599][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.043729][ T32] r5:857ad400 r4:8291a680 [ 1348.043798][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.043935][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1348.044227][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1348.044703][ T32] r9:83018005 r8:857ad400 r7:00000000 r6:83018000 r5:00001000 r4:7f07b000 ** 3 printk messages dropped ** [ 1348.044989][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.045112][ T32] r5:8576638c r4:85766000 [ 1348.045180][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.045290][ T32] r7:dddced80 r6:83018000 r5:8576638c r4:85098f00 ** 1 printk messages dropped ** [ 1348.045476][ T32] r10:61c88647 r9:857ad400 r8:85098f2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 3 printk messages dropped ** [ 1348.045743][ T32] r4:00000001 ** 1 printk messages dropped ** [ 1348.045862][ T32] Exception stack(0xec5b5fb0 to 0xec5b5ff8) ** 3 printk messages dropped ** [ 1348.046166][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 4 printk messages dropped ** [ 1348.047354][ T32] Call trace: ** 4 printk messages dropped ** [ 1348.047778][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1348.048305][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 6 printk messages dropped ** [ 1348.048771][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1348.049247][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1348.067802][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1348.067998][ T32] r4:84ab0640 ** 1 printk messages dropped ** [ 1348.068076][ T32] INFO: task kworker/0:208:5658 blocked for more than 474 seconds. ** 7 printk messages dropped ** [ 1348.068532][ T32] r4:857abc00 ** 2 printk messages dropped ** [ 1348.068629][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.068701][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.068754][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5bde08 [ 1348.068783][ T32] r4:00000000 [ 1348.068806][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.068843][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.068884][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.068929][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85198940 [ 1348.068953][ T32] r4:00000000 [ 1348.068974][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.069041][ T32] r9:83018005 r8:857abc00 r7:00000000 r6:83018000 r5:00001000 r4:7f07f000 [ 1348.069071][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.069119][ T32] r5:00001000 r4:eb965000 [ 1348.069143][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.069185][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.069230][ T32] r5:85766b8c r4:85766800 [ 1348.069252][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.069416][ T32] r7:dddced80 r6:83018000 r5:85766b8c r4:85098f80 [ 1348.074712][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.074832][ T32] r10:61c88647 r9:857abc00 r8:85098fac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.074893][ T32] r4:85098f80 [ 1348.074921][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.074977][ T32] r10:00000000 r9:85098f80 r8:80287e08 r7:ec5b5e60 r6:85065f80 r5:857abc00 [ 1348.075003][ T32] r4:00000001 [ 1348.075025][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.075070][ T32] Exception stack(0xec5bdfb0 to 0xec5bdff8) [ 1348.075103][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.075135][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.075193][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.075230][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.075257][ T32] r4:85198500 [ 1348.075718][ T32] INFO: task kworker/0:208:5658 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.075779][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.075950][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.076057][ T32] Call trace: [ 1348.076140][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.076204][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.076260][ T32] r4:00000000 [ 1348.076288][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.076335][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.076367][ T32] dd20: cc4ff000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.076408][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.076437][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.076539][ T32] r5:800d0013 r4:80239bb0 [ 1348.076602][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.076658][ T32] r4:82ac21e4 [ 1348.076682][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.076743][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.076777][ T32] r4:e044ddc0 [ 1348.076820][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.076872][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.076898][ T32] r4:00000000 [ 1348.076920][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.076972][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.077002][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.077053][ T32] r5:00001000 r4:ed353000 [ 1348.077076][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.077119][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.077192][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.077248][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.077308][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.077334][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.077436][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.077498][ T32] r4:84ab5800 [ 1348.077524][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.077579][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.077660][ T32] r4:00000001 [ 1348.077692][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.077735][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.077765][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.077825][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.077862][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.077895][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.077948][ T32] r4:84ab0640 [ 1348.077976][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.078009][ T32] INFO: task kworker/0:209:5659 blocked for more than 474 seconds. [ 1348.078076][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.078110][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.078135][ T32] task:kworker/0:209 state:D stack:0 pid:5659 tgid:5659 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.078187][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.078234][ T32] Call trace: [ 1348.078266][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.078343][ T32] r10:8291a684 r9:ec5c1d84 r8:00000002 r7:60000113 r6:ec5c1d8c r5:857aec00 [ 1348.078390][ T32] r4:857aec00 [ 1348.078420][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.078472][ T32] r5:857aec00 r4:8291a680 [ 1348.078523][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.078608][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.078661][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5c1e08 [ 1348.078687][ T32] r4:00000000 [ 1348.078734][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.078861][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.078908][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.078977][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85198840 [ 1348.079036][ T32] r4:00000000 [ 1348.079090][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.079181][ T32] r9:83018005 r8:857aec00 r7:00000000 r6:83018000 r5:00001000 r4:7f07d000 [ 1348.079227][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.097403][ T32] r5:00001000 r4:eb92d000 [ 1348.097545][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.097658][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.097715][ T32] r5:8576678c r4:85766400 [ 1348.097741][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.097801][ T32] r7:dddced80 r6:83018000 r5:8576678c r4:85248000 [ 1348.097825][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.097879][ T32] r10:61c88647 r9:857aec00 r8:8524802c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.097934][ T32] r4:85248000 [ 1348.097990][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.098048][ T32] r10:00000000 r9:85248000 r8:80287e08 r7:ec5bde60 r6:85823000 r5:857aec00 [ 1348.098075][ T32] r4:00000001 [ 1348.098097][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.098156][ T32] Exception stack(0xec5c1fb0 to 0xec5c1ff8) [ 1348.098195][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.098228][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.098257][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.098319][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 2 printk messages dropped ** [ 1348.098842][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1348.099208][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 1 printk messages dropped ** [ 1348.099371][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 6 printk messages dropped ** [ 1348.110454][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1348.110915][ T32] r5:00001000 r4:ed353000 [ 1348.110939][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.111014][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.111070][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.111123][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.111184][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.111210][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.111266][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.111321][ T32] r4:84ab5800 [ 1348.111357][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.111451][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.111523][ T32] r4:00000001 [ 1348.111552][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.111597][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.111629][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.111663][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.111694][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.111728][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.111756][ T32] r4:84ab0640 [ 1348.111783][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.111818][ T32] INFO: task kworker/0:210:5661 blocked for more than 474 seconds. [ 1348.111877][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.111939][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.111971][ T32] task:kworker/0:210 state:D stack:0 pid:5661 tgid:5661 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.112036][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.112087][ T32] Call trace: [ 1348.112142][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.112206][ T32] r10:8291a684 r9:ec5c9d84 r8:00000002 r7:60000113 r6:ec5c9d8c r5:857ac800 [ 1348.112232][ T32] r4:857ac800 [ 1348.112284][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.112338][ T32] r5:857ac800 r4:8291a680 [ 1348.112361][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.112412][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.112525][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5c9e08 [ 1348.112644][ T32] r4:00000000 [ 1348.112673][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.112760][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.112837][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.112894][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852416c0 [ 1348.112923][ T32] r4:00000000 [ 1348.112951][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.113002][ T32] r9:83018005 r8:857ac800 r7:00000000 r6:83018000 r5:00001000 r4:7f0a7000 [ 1348.113033][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.113083][ T32] r5:00001000 r4:ebca5000 [ 1348.113106][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.113154][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.113203][ T32] r5:8577038c r4:85770000 [ 1348.113226][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.113277][ T32] r7:dddced80 r6:83018000 r5:8577038c r4:85248080 [ 1348.113305][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.113392][ T32] r10:61c88647 r9:857ac800 r8:852480ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.113424][ T32] r4:85248080 [ 1348.113447][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.113499][ T32] r10:00000000 r9:85248080 r8:80287e08 r7:ec5bde60 r6:85823080 r5:857ac800 [ 1348.113529][ T32] r4:00000001 [ 1348.113627][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.113700][ T32] Exception stack(0xec5c9fb0 to 0xec5c9ff8) [ 1348.113774][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.113827][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.113862][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.113896][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.113921][ T32] r4:851986c0 [ 1348.114425][ T32] INFO: task kworker/0:210:5661 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.114470][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.114569][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.114650][ T32] Call trace: [ 1348.114718][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.114781][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.114837][ T32] r4:00000000 [ 1348.114893][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.114943][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.114976][ T32] dd20: ccb8c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.115008][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.115037][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.115109][ T32] r5:800d0013 r4:80239bb0 [ 1348.115137][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.115185][ T32] r4:82ac21e4 [ 1348.115208][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.115255][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.115280][ T32] r4:e044ddc0 [ 1348.115303][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.115379][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.115414][ T32] r4:00000000 [ 1348.115437][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.115499][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.115532][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.115585][ T32] r5:00001000 r4:ed353000 [ 1348.115637][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.115729][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1348.115932][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 3 printk messages dropped ** [ 1348.116115][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1348.116350][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 2 printk messages dropped ** [ 1348.116578][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1348.116798][ T32] INFO: task kworker/0:211:5663 blocked for more than 474 seconds. ** 5 printk messages dropped ** [ 1348.117125][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 4 printk messages dropped ** [ 1348.117339][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1348.117662][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.117762][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.117815][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85198a80 [ 1348.117842][ T32] r4:00000000 [ 1348.117866][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.117933][ T32] r9:83018005 r8:857aa400 r7:00000000 r6:83018000 r5:00001000 r4:7f081000 [ 1348.117963][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.118012][ T32] r5:00001000 r4:eb995000 [ 1348.118063][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.118142][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.118223][ T32] r5:85766f8c r4:85766c00 [ 1348.118250][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.118334][ T32] r7:dddced80 r6:83018000 r5:85766f8c r4:85248100 [ 1348.118360][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.118422][ T32] r10:61c88647 r9:857aa400 r8:8524812c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.118448][ T32] r4:85248100 [ 1348.118554][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.118612][ T32] r10:00000000 r9:85248100 r8:80287e08 r7:ec5c9e60 r6:85823100 r5:857aa400 [ 1348.118645][ T32] r4:00000001 [ 1348.118682][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.118730][ T32] Exception stack(0xec5d1fb0 to 0xec5d1ff8) [ 1348.118760][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.118792][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.118824][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.118857][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.118883][ T32] r4:85198740 [ 1348.119170][ T32] INFO: task kworker/0:211:5663 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.119229][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.119401][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.143362][ T32] Call trace: [ 1348.143453][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.143577][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.143614][ T32] r4:00000000 [ 1348.143734][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.143791][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.143856][ T32] dd20: ccec6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.143895][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.143924][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.143952][ T32] r5:800d0013 r4:80239bb0 [ 1348.144054][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.144109][ T32] r4:82ac21e4 [ 1348.144134][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.144256][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.144363][ T32] r4:e044ddc0 [ 1348.144397][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.144450][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.144550][ T32] r4:00000000 [ 1348.144610][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.144671][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.144697][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.144749][ T32] r5:00001000 r4:ed353000 [ 1348.144897][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.145007][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.145061][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.145119][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.145182][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.145209][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.145263][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.145320][ T32] r4:84ab5800 [ 1348.145542][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.145601][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.145702][ T32] r4:00000001 [ 1348.145737][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.145780][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.145928][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.145994][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.146136][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.146173][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.146253][ T32] r4:84ab0640 [ 1348.146286][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 3 printk messages dropped ** [ 1348.146513][ T32] task:kworker/0:212 state:D stack:0 pid:5665 tgid:5665 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1348.147276][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5d9e08 ** 7 printk messages dropped ** [ 1348.147774][ T32] r9:83018005 r8:85190c00 r7:00000000 r6:83018000 r5:00001000 r4:7f083000 ** 3 printk messages dropped ** [ 1348.147947][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.148075][ T32] r5:8576738c r4:85767000 ** 1 printk messages dropped ** [ 1348.148153][ T32] r7:dddced80 r6:83018000 r5:8576738c r4:85248180 ** 1 printk messages dropped ** [ 1348.148230][ T32] r10:61c88647 r9:85190c00 r8:852481ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 4 printk messages dropped ** [ 1348.148376][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 4 printk messages dropped ** [ 1348.148573][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 3 printk messages dropped ** [ 1348.160349][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1348.160800][ T32] r4:00000000 [ 1348.160857][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.160942][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.160986][ T32] dd20: ccec6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.161021][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.161159][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.161215][ T32] r5:800d0013 r4:80239bb0 [ 1348.161799][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.161856][ T32] r4:82ac21e4 [ 1348.161910][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.161971][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.162098][ T32] r4:e044ddc0 [ 1348.162156][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.162389][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.162421][ T32] r4:00000000 [ 1348.162445][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.162505][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.162560][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.162641][ T32] r5:00001000 r4:ed353000 [ 1348.162694][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.162786][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.162842][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.162866][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.162960][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.163012][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.163076][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.163104][ T32] r4:84ab5800 [ 1348.163153][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.163211][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.163264][ T32] r4:00000001 [ 1348.163291][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.163358][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.163401][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.163435][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.163464][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.163496][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.163522][ T32] r4:84ab0640 [ 1348.163546][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.163598][ T32] INFO: task kworker/0:213:5667 blocked for more than 474 seconds. [ 1348.163684][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.163751][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.163784][ T32] task:kworker/0:213 state:D stack:0 pid:5667 tgid:5667 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.163837][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.163933][ T32] Call trace: [ 1348.163974][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.164177][ T32] r10:8291a684 r9:ec5e5d84 r8:00000002 r7:60000113 r6:ec5e5d8c r5:85192400 [ 1348.164219][ T32] r4:85192400 [ 1348.164250][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.164350][ T32] r5:85192400 r4:8291a680 [ 1348.164377][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.164524][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.164633][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5e5e08 [ 1348.164665][ T32] r4:00000000 [ 1348.164717][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.164843][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 5 printk messages dropped ** [ 1348.165563][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1348.165930][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1348.166277][ T32] r10:61c88647 r9:85192400 r8:8524822c r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1348.167520][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1348.204369][ T32] Call trace: ** 5 printk messages dropped ** [ 1348.205053][ T32] dd20: cd341000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 7 printk messages dropped ** [ 1348.205465][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1348.206032][ T32] r5:00001000 r4:ed353000 ** 6 printk messages dropped ** [ 1348.206632][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1348.207082][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1348.207565][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1348.207945][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1348.208706][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1348.208999][ T32] r7:dddced80 r6:83018000 r5:85767b8c r4:85248280 ** 5 printk messages dropped ** [ 1348.219298][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1348.220724][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 1 printk messages dropped ** [ 1348.221258][ T32] INFO: task kworker/0:214:5669 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.221365][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.221531][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.221593][ T32] Call trace: [ 1348.221692][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.221758][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.221787][ T32] r4:00000000 [ 1348.221849][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.221918][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.221955][ T32] dd20: cd341000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.222079][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.222141][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.222200][ T32] r5:800d0013 r4:80239bb0 [ 1348.222229][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.222293][ T32] r4:82ac21e4 [ 1348.222320][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.222386][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.222428][ T32] r4:e044ddc0 [ 1348.222555][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.222608][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.222635][ T32] r4:00000000 [ 1348.222659][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.222740][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.222771][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.222823][ T32] r5:00001000 r4:ed353000 [ 1348.222875][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.222925][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.222974][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.223023][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.223089][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.223123][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.223178][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.223205][ T32] r4:84ab5800 [ 1348.223226][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.223304][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.223335][ T32] r4:00000001 [ 1348.223358][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.223409][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.223552][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.223590][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.223622][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.223654][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.223679][ T32] r4:84ab0640 [ 1348.223702][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.223749][ T32] INFO: task kworker/0:215:5671 blocked for more than 474 seconds. [ 1348.223792][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.223822][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.223846][ T32] task:kworker/0:215 state:D stack:0 pid:5671 tgid:5671 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.223920][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.224004][ T32] Call trace: [ 1348.224137][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.224206][ T32] r10:8291a684 r9:ec5f1d84 r8:00000002 r7:60000113 r6:ec5f1d8c r5:85194800 [ 1348.224233][ T32] r4:85194800 [ 1348.224285][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.224338][ T32] r5:85194800 r4:8291a680 [ 1348.224361][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 1 printk messages dropped ** [ 1348.224523][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5f1e08 ** 9 printk messages dropped ** [ 1348.225039][ T32] r5:00001000 r4:ebc6d000 ** 1 printk messages dropped ** [ 1348.225172][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.225265][ T32] r5:85767f8c r4:85767c00 ** 1 printk messages dropped ** [ 1348.225432][ T32] r7:dddced80 r6:83018000 r5:85767f8c r4:85248300 ** 4 printk messages dropped ** [ 1348.225770][ T32] r10:00000000 r9:85248300 r8:80287e08 r7:ec5c9e60 r6:85823300 r5:85194800 ** 9 printk messages dropped ** [ 1348.226537][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1348.226988][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.227078][ T32] r4:00000000 [ 1348.227130][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.227236][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.227311][ T32] dd20: cd341000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.227377][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.227447][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.227493][ T32] r5:800d0013 r4:80239bb0 [ 1348.227519][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.227582][ T32] r4:82ac21e4 [ 1348.227612][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.227686][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.227751][ T32] r4:e044ddc0 [ 1348.227794][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.227874][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.227906][ T32] r4:00000000 [ 1348.227930][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.228040][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.228098][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.228182][ T32] r5:00001000 r4:ed353000 [ 1348.228227][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.228316][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.228372][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.228401][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.228454][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.228479][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.228618][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.228693][ T32] r4:84ab5800 [ 1348.228740][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.228850][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.228913][ T32] r4:00000001 [ 1348.228982][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.229075][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.229142][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.229207][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.229273][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.229421][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.254904][ T32] r4:84ab0640 [ 1348.254968][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.255041][ T32] INFO: task kworker/0:216:5674 blocked for more than 474 seconds. [ 1348.255147][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.255182][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.255238][ T32] task:kworker/0:216 state:D stack:0 pid:5674 tgid:5674 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.255320][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.255401][ T32] Call trace: [ 1348.255440][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.255504][ T32] r10:8291a684 r9:ec611d84 r8:00000002 r7:60000113 r6:ec611d8c r5:85193c00 [ 1348.255557][ T32] r4:85193c00 [ 1348.255586][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.255637][ T32] r5:85193c00 r4:8291a680 [ 1348.255661][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.255704][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.255750][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec611e08 [ 1348.255774][ T32] r4:00000000 [ 1348.255823][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.255867][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.255967][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.256021][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c6600 [ 1348.256093][ T32] r4:00000000 [ 1348.256203][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.256267][ T32] r9:83018005 r8:85193c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0a9000 [ 1348.256350][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.256408][ T32] r5:00001000 r4:ebcb3000 ** 1 printk messages dropped ** [ 1348.256479][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.256580][ T32] r5:8577078c r4:85770400 ** 1 printk messages dropped ** [ 1348.256747][ T32] r7:dddced80 r6:83018000 r5:8577078c r4:85248380 ** 5 printk messages dropped ** [ 1348.257012][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1348.257448][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1348.258589][ T32] Call trace: ** 6 printk messages dropped ** [ 1348.259162][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1348.278811][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.278949][ T32] r4:00000000 [ 1348.279034][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.279093][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.279147][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.279222][ T32] r5:00001000 r4:ed353000 [ 1348.279328][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.286220][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.286340][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.286373][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.286457][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.286494][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.286580][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.286618][ T32] r4:84ab5800 [ 1348.286641][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.286693][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.286718][ T32] r4:00000001 [ 1348.286739][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.286808][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.286849][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.286899][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.286933][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.287022][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.287051][ T32] r4:84ab0640 [ 1348.287079][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.287128][ T32] INFO: task kworker/0:217:5677 blocked for more than 474 seconds. [ 1348.287167][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.287195][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.287220][ T32] task:kworker/0:217 state:D stack:0 pid:5677 tgid:5677 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.287285][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.287389][ T32] Call trace: [ 1348.287439][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 4 printk messages dropped ** [ 1348.287657][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1348.288158][ T32] r9:83018005 r8:85195400 r7:00000000 r6:83018000 r5:00001000 r4:7f0ab000 ** 3 printk messages dropped ** [ 1348.288296][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.288368][ T32] r5:85770b8c r4:85770800 [ 1348.288402][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.288459][ T32] r7:dddced80 r6:83018000 r5:85770b8c r4:85248400 [ 1348.288486][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.288591][ T32] r10:61c88647 r9:85195400 r8:8524842c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.288642][ T32] r4:85248400 [ 1348.288671][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.288974][ T32] r10:00000000 r9:85248400 r8:80287e08 r7:ec611e60 r6:85823400 r5:85195400 [ 1348.289031][ T32] r4:00000001 [ 1348.289083][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.289128][ T32] Exception stack(0xec625fb0 to 0xec625ff8) [ 1348.289158][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.289190][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.289219][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.289304][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.300042][ T32] r4:8580e080 [ 1348.300700][ T32] INFO: task kworker/0:217:5677 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.300803][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.300954][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.301026][ T32] Call trace: [ 1348.301084][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.301184][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.301213][ T32] r4:00000000 [ 1348.301240][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.301315][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.301349][ T32] dd20: cd92f000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.301389][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.301420][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.301554][ T32] r5:800d0013 r4:80239bb0 [ 1348.301584][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.301669][ T32] r4:82ac21e4 [ 1348.301728][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.301821][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.301900][ T32] r4:e044ddc0 [ 1348.301955][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.302048][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.302105][ T32] r4:00000000 [ 1348.302153][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.302219][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.302245][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1348.302712][ T32] r4:84ab5800 ** 3 printk messages dropped ** [ 1348.302965][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1348.303442][ T32] INFO: task kworker/0:218:5678 blocked for more than 474 seconds. ** 9 printk messages dropped ** [ 1348.304108][ T32] r5:85196c00 r4:8291a680 ** 3 printk messages dropped ** [ 1348.304440][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1348.304817][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8580e4c0 ** 6 printk messages dropped ** [ 1348.305323][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1348.305754][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1348.306328][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1348.307541][ T32] Call trace: ** 4 printk messages dropped ** [ 1348.308052][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1348.308520][ T32] r4:82ac21e4 ** 1 printk messages dropped ** [ 1348.308695][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.308783][ T32] r4:e044ddc0 [ 1348.308868][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.308973][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.309025][ T32] r4:00000000 [ 1348.309100][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.309227][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.309400][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.330566][ T32] r5:00001000 r4:ed353000 [ 1348.330669][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.330812][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.330872][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.330913][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.330976][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.331030][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.331118][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.331163][ T32] r4:84ab5800 [ 1348.331190][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.331339][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.331372][ T32] r4:00000001 [ 1348.331402][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.331485][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.331558][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.331631][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.331715][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.331795][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.331847][ T32] r4:84ab0640 [ 1348.331899][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.331972][ T32] INFO: task kworker/0:219:5679 blocked for more than 474 seconds. [ 1348.332018][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.332049][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.332075][ T32] task:kworker/0:219 state:D stack:0 pid:5679 tgid:5679 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.332144][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.332226][ T32] Call trace: [ 1348.332289][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.332358][ T32] r10:8291a684 r9:ec59dd84 r8:00000002 r7:60000013 r6:ec59dd8c r5:83be0c00 [ 1348.332417][ T32] r4:83be0c00 [ 1348.332469][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.332600][ T32] r5:83be0c00 r4:8291a680 ** 1 printk messages dropped ** [ 1348.332740][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1348.333105][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1348.333419][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.333472][ T32] r5:85770f8c r4:85770c00 [ 1348.333495][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1348.333689][ T32] r4:85248500 ** 3 printk messages dropped ** [ 1348.333871][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.333942][ T32] Exception stack(0xec59dfb0 to 0xec59dff8) [ 1348.334015][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.334087][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.334125][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.334161][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.334203][ T32] r4:8580e240 [ 1348.334913][ T32] INFO: task kworker/0:219:5679 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.335004][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.335190][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.335319][ T32] Call trace: [ 1348.335455][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.335542][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.335572][ T32] r4:00000000 [ 1348.335707][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.335767][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.335840][ T32] dd20: cdcad000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.335886][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.335917][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.335949][ T32] r5:800d0013 r4:80239bb0 [ 1348.335973][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.336039][ T32] r4:82ac21e4 [ 1348.336184][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.336258][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.336317][ T32] r4:e044ddc0 [ 1348.336359][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.336419][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.336447][ T32] r4:00000000 [ 1348.336470][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.336570][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.336600][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.336678][ T32] r5:00001000 r4:ed353000 [ 1348.336709][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.336764][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.336815][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.336874][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 4 printk messages dropped ** [ 1348.337182][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1348.337608][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1348.337844][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1348.338189][ T32] r5:83be2400 r4:8291a680 ** 5 printk messages dropped ** [ 1348.338654][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1348.373540][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.373593][ T32] r5:85771b8c r4:85771800 ** 2 printk messages dropped ** [ 1348.373740][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1348.374452][ T32] Exception stack(0xec621fb0 to 0xec621ff8) ** 6 printk messages dropped ** [ 1348.375204][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1348.375832][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1348.376131][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1348.376677][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1348.376959][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1348.377151][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1348.377558][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1348.378077][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 11 printk messages dropped ** [ 1348.378594][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1348.378706][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1348.379115][ T32] Exception stack(0xec639fb0 to 0xec639ff8) ** 5 printk messages dropped ** [ 1348.398198][ T32] INFO: task kworker/0:221:5686 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 8 printk messages dropped ** [ 1348.398890][ T32] dd20: ce280000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 4 printk messages dropped ** [ 1348.399116][ T32] r4:82ac21e4 [ 1348.399150][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.399203][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.399228][ T32] r4:e044ddc0 [ 1348.399273][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.404966][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.405094][ T32] r4:00000000 [ 1348.405128][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.405208][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.405235][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.405286][ T32] r5:00001000 r4:ed353000 [ 1348.405332][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.405389][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.405463][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.405492][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.405548][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.405571][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.405623][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.405648][ T32] r4:84ab5800 [ 1348.405669][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.405757][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.405787][ T32] r4:00000001 [ 1348.405848][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.405920][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.406003][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.406064][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.406099][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.406132][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.406157][ T32] r4:84ab0640 [ 1348.406223][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.406301][ T32] INFO: task kworker/0:222:5688 blocked for more than 474 seconds. [ 1348.406362][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.406402][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.406452][ T32] task:kworker/0:222 state:D stack:0 pid:5688 tgid:5688 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.406547][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.406598][ T32] Call trace: [ 1348.406685][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.406751][ T32] r10:8291a684 r9:ec649d84 r8:00000002 r7:60000113 r6:ec649d8c r5:8506e000 [ 1348.406777][ T32] r4:8506e000 [ 1348.406835][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.406912][ T32] r5:8506e000 r4:8291a680 [ 1348.406976][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.407026][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.407074][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec649e08 [ 1348.407099][ T32] r4:00000000 [ 1348.407143][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.407206][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.407272][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.407347][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8580ea00 [ 1348.407391][ T32] r4:00000000 [ 1348.407445][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.407499][ T32] r9:83018005 r8:8506e000 r7:00000000 r6:83018000 r5:00001000 r4:7f0cf000 [ 1348.407523][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.407592][ T32] r5:00001000 r4:ec529000 [ 1348.407670][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.407719][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.407776][ T32] r5:8577238c r4:85772000 [ 1348.407803][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.407878][ T32] r7:dddced80 r6:83018000 r5:8577238c r4:85248780 [ 1348.407923][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.408004][ T32] r10:61c88647 r9:8506e000 r8:852487ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.408035][ T32] r4:85248780 [ 1348.408099][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.408156][ T32] r10:00000000 r9:85248780 r8:80287e08 r7:ec639e60 r6:85823580 r5:8506e000 [ 1348.408183][ T32] r4:00000001 [ 1348.408228][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.408272][ T32] Exception stack(0xec649fb0 to 0xec649ff8) [ 1348.408329][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.408385][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.408445][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.408516][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.408573][ T32] r4:8580e840 [ 1348.409031][ T32] INFO: task kworker/0:222:5688 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.409072][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.409166][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.409302][ T32] Call trace: [ 1348.424884][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.425009][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.425040][ T32] r4:00000000 [ 1348.425088][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.425162][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.425201][ T32] dd20: ce63c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.425255][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.425309][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.425391][ T32] r5:800d0013 r4:80239bb0 ** 1 printk messages dropped ** [ 1348.425495][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1348.425826][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1348.426070][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1348.426619][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1348.426839][ T32] INFO: task kworker/0:223:5689 blocked for more than 474 seconds. ** 2 printk messages dropped ** [ 1348.426951][ T32] task:kworker/0:223 state:D stack:0 pid:5689 tgid:5689 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.427009][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.427059][ T32] Call trace: [ 1348.427133][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.427189][ T32] r10:8291a684 r9:ec65dd84 r8:00000002 r7:60000013 r6:ec65dd8c r5:85196000 [ 1348.427222][ T32] r4:85196000 [ 1348.427248][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.427315][ T32] r5:85196000 r4:8291a680 [ 1348.427365][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.427418][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.427464][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec65de08 [ 1348.427489][ T32] r4:00000000 [ 1348.427509][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.427545][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.427601][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.427649][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8580ed40 [ 1348.427685][ T32] r4:00000000 [ 1348.427709][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.427780][ T32] r9:83018005 r8:85196000 r7:00000000 r6:83018000 r5:00001000 r4:7f0d3000 [ 1348.427807][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.427870][ T32] r5:00001000 r4:ec543000 [ 1348.427894][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.427936][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.428009][ T32] r5:85772b8c r4:85772800 [ 1348.428035][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.428104][ T32] r7:dddced80 r6:83018000 r5:85772b8c r4:85248800 [ 1348.428131][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.428180][ T32] r10:61c88647 r9:85196000 r8:8524882c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.428203][ T32] r4:85248800 [ 1348.428225][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.428300][ T32] r10:00000000 r9:85248800 r8:80287e08 r7:ec649e60 r6:85823600 r5:85196000 [ 1348.428329][ T32] r4:00000001 [ 1348.428351][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.428420][ T32] Exception stack(0xec65dfb0 to 0xec65dff8) [ 1348.428463][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.428494][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.428566][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.428620][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.428648][ T32] r4:8580e9c0 [ 1348.429084][ T32] INFO: task kworker/0:223:5689 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.429127][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.429213][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.440009][ T32] Call trace: [ 1348.440100][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.440189][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.440217][ T32] r4:00000000 [ 1348.440241][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.440303][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.440345][ T32] dd20: ce726000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.440410][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.440445][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.440483][ T32] r5:800d0013 r4:80239bb0 [ 1348.440575][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.440632][ T32] r4:82ac21e4 [ 1348.440656][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.440703][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 2 printk messages dropped ** [ 1348.440797][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1348.441190][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1348.441396][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1348.441620][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 8 printk messages dropped ** [ 1348.442155][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 7 printk messages dropped ** [ 1348.442551][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1348.442744][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8580ebc0 ** 6 printk messages dropped ** [ 1348.443004][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1348.443261][ T32] r4:85248880 ** 4 printk messages dropped ** [ 1348.443443][ T32] Exception stack(0xec665fb0 to 0xec665ff8) ** 3 printk messages dropped ** [ 1348.443595][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1348.444307][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 4 printk messages dropped ** [ 1348.444492][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 5 printk messages dropped ** [ 1348.444830][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 8 printk messages dropped ** [ 1348.445194][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1348.445497][ T32] r4:84ab5800 ** 1 printk messages dropped ** [ 1348.445566][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 4 printk messages dropped ** [ 1348.445810][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1348.445949][ T32] r4:84ab0640 ** 4 printk messages dropped ** [ 1348.446149][ T32] task:kworker/0:225 state:D stack:0 pid:5693 tgid:5693 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1348.446435][ T32] r4:857a0000 [ 1348.446468][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.446520][ T32] r5:857a0000 r4:8291a680 [ 1348.446556][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.446601][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.446647][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec66de08 [ 1348.446672][ T32] r4:00000000 [ 1348.446693][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.446731][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.446768][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.446811][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8580eec0 [ 1348.446834][ T32] r4:00000000 [ 1348.446856][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.446925][ T32] r9:83018005 r8:857a0000 r7:00000000 r6:83018000 r5:00001000 r4:7f0d5000 [ 1348.446953][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.447013][ T32] r5:00001000 r4:ec54d000 [ 1348.447038][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.447083][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.447148][ T32] r5:85772f8c r4:85772c00 [ 1348.447174][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.447247][ T32] r7:dddced80 r6:83018000 r5:85772f8c r4:85248900 [ 1348.447274][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.447327][ T32] r10:61c88647 r9:857a0000 r8:8524892c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.447378][ T32] r4:85248900 [ 1348.447411][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.447484][ T32] r10:00000000 r9:85248900 r8:80287e08 r7:ec65de60 r6:85823700 r5:857a0000 [ 1348.447519][ T32] r4:00000001 [ 1348.447541][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.447603][ T32] Exception stack(0xec66dfb0 to 0xec66dff8) [ 1348.447635][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.447675][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.447752][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.447812][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.447867][ T32] r4:8580eb40 [ 1348.448176][ T32] INFO: task kworker/0:225:5693 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.448216][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.448304][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.448391][ T32] Call trace: [ 1348.448425][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.448526][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.448595][ T32] r4:00000000 [ 1348.448645][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.448699][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.448755][ T32] dd20: ce726000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.448791][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.448866][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.448898][ T32] r5:800d0013 r4:80239bb0 [ 1348.448932][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.448981][ T32] r4:82ac21e4 [ 1348.449003][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.449068][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.449098][ T32] r4:e044ddc0 [ 1348.449149][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.484536][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.484644][ T32] r4:00000000 [ 1348.484691][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.484778][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.484804][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.484866][ T32] r5:00001000 r4:ed353000 [ 1348.484893][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.484938][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.485018][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.485075][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.485132][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.485162][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.485215][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1348.485337][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 9 printk messages dropped ** [ 1348.485717][ T32] INFO: task kworker/0:226:5695 blocked for more than 474 seconds. ** 7 printk messages dropped ** [ 1348.486131][ T32] r4:857a2400 ** 4 printk messages dropped ** [ 1348.486353][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec671e08 ** 9 printk messages dropped ** [ 1348.486835][ T32] r5:00001000 r4:ec68b000 ** 1 printk messages dropped ** [ 1348.486912][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1348.487289][ T32] r10:00000000 r9:85248980 r8:80287e08 r7:ec66de60 r6:85823780 r5:857a2400 ** 6 printk messages dropped ** [ 1348.487568][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1348.488448][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1348.488712][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1348.488906][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 4 printk messages dropped ** [ 1348.489108][ T32] r5:00001000 r4:ed353000 [ 1348.489133][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.489176][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.489264][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.497143][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.497345][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.497388][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.497447][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.497473][ T32] r4:84ab5800 [ 1348.497526][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.497596][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.497625][ T32] r4:00000001 [ 1348.497671][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.497717][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.497751][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.497792][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.497873][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.497932][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.497986][ T32] r4:84ab0640 [ 1348.498022][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.498057][ T32] INFO: task kworker/0:227:5697 blocked for more than 474 seconds. [ 1348.498114][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.498149][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.498176][ T32] task:kworker/0:227 state:D stack:0 pid:5697 tgid:5697 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.498266][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.498347][ T32] Call trace: [ 1348.498388][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.498471][ T32] r10:8291a684 r9:ec631d84 r8:00000002 r7:60000013 r6:ec631d8c r5:83be3000 [ 1348.498529][ T32] r4:83be3000 [ 1348.498555][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.498604][ T32] r5:83be3000 r4:8291a680 [ 1348.498628][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.498671][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.498717][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec631e08 [ 1348.498741][ T32] r4:00000000 [ 1348.498762][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.498821][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.498869][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.498932][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8580e400 [ 1348.498984][ T32] r4:00000000 [ 1348.499011][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.499064][ T32] r9:83018005 r8:83be3000 r7:00000000 r6:83018000 r5:00001000 r4:7f0d9000 [ 1348.499088][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.499156][ T32] r5:00001000 r4:ec615000 [ 1348.499205][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.506338][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.506534][ T32] r5:8577338c r4:85773000 [ 1348.506588][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1348.506768][ T32] r10:61c88647 r9:83be3000 r8:85248a2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1348.507176][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1348.507973][ T32] Call trace: ** 1 printk messages dropped ** [ 1348.508105][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 3 printk messages dropped ** [ 1348.508291][ T32] dd20: cf004000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 4 printk messages dropped ** [ 1348.508567][ T32] r4:82ac21e4 ** 1 printk messages dropped ** [ 1348.508672][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 3 printk messages dropped ** [ 1348.508789][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1348.508996][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1348.523236][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1348.523696][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1348.524008][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1348.524408][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1348.524869][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1348.525169][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1348.525393][ T32] r10:61c88647 r9:83be3c00 r8:85248b2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1348.525661][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1348.526682][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1348.526848][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 8 printk messages dropped ** [ 1348.527174][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1348.527660][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 3 printk messages dropped ** [ 1348.527842][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 4 printk messages dropped ** [ 1348.528055][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1348.528194][ T32] r4:84ab0640 ** 1 printk messages dropped ** [ 1348.528261][ T32] INFO: task kworker/0:229:5703 blocked for more than 474 seconds. [ 1348.528295][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.528321][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.528343][ T32] task:kworker/0:229 state:D stack:0 pid:5703 tgid:5703 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.528416][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.528462][ T32] Call trace: [ 1348.528541][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.528594][ T32] r10:8291a684 r9:ec689d84 r8:00000002 r7:60000013 r6:ec689d8c r5:83be4800 [ 1348.528618][ T32] r4:83be4800 [ 1348.528640][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.528686][ T32] r5:83be4800 r4:8291a680 [ 1348.528707][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.528761][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.528811][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec689e08 [ 1348.528851][ T32] r4:00000000 [ 1348.528876][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.528915][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.528962][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.529010][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fd040 [ 1348.529035][ T32] r4:00000000 [ 1348.529056][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.529117][ T32] r9:83018005 r8:83be4800 r7:00000000 r6:83018000 r5:00001000 r4:7f0dd000 [ 1348.529146][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.529217][ T32] r5:00001000 r4:ec67f000 [ 1348.529314][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.552686][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.552789][ T32] r5:85773b8c r4:85773800 [ 1348.552814][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.552867][ T32] r7:dddced80 r6:83018000 r5:85773b8c r4:85248c00 [ 1348.552891][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.552958][ T32] r10:61c88647 r9:83be4800 r8:85248c2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.552987][ T32] r4:85248c00 [ 1348.553009][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.553061][ T32] r10:00000000 r9:85248c00 r8:80287e08 r7:ec671e60 r6:85248c80 r5:83be4800 [ 1348.553085][ T32] r4:00000001 [ 1348.553105][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.553144][ T32] Exception stack(0xec689fb0 to 0xec689ff8) [ 1348.553176][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.553206][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.553261][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.553298][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.553323][ T32] r4:857fd100 [ 1348.553781][ T32] INFO: task kworker/0:229:5703 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.553825][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.553932][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.554002][ T32] Call trace: [ 1348.554085][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.554167][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.554206][ T32] r4:00000000 [ 1348.554231][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.554275][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.554305][ T32] dd20: cfadd000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.554335][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.554361][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.554395][ T32] r5:800d0013 r4:80239bb0 [ 1348.554417][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.554462][ T32] r4:82ac21e4 [ 1348.554483][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.554527][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.554551][ T32] r4:e044ddc0 [ 1348.554572][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.554615][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.554639][ T32] r4:00000000 [ 1348.554659][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.554725][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.554756][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.554812][ T32] r5:00001000 r4:ed353000 [ 1348.554838][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.554882][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.554926][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.554946][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.554996][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.555018][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.555084][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.555113][ T32] r4:84ab5800 [ 1348.555134][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.555183][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.555207][ T32] r4:00000001 [ 1348.555227][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.555273][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.555306][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.555337][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.555365][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.555403][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.555427][ T32] r4:84ab0640 [ 1348.555476][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.555513][ T32] INFO: task kworker/0:230:5704 blocked for more than 474 seconds. [ 1348.555574][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.555606][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.555629][ T32] task:kworker/0:230 state:D stack:0 pid:5704 tgid:5704 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.555679][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.555748][ T32] Call trace: [ 1348.555782][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.555832][ T32] r10:8291a684 r9:ec695d84 r8:00000002 r7:60000013 r6:ec695d8c r5:83be6000 [ 1348.555856][ T32] r4:83be6000 [ 1348.555878][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.555922][ T32] r5:83be6000 r4:8291a680 [ 1348.555944][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.555995][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.556044][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec695e08 [ 1348.556068][ T32] r4:00000000 [ 1348.556088][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.556124][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.556162][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.556204][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fd700 [ 1348.556239][ T32] r4:00000000 [ 1348.556264][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 1 printk messages dropped ** [ 1348.556340][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 1 printk messages dropped ** [ 1348.556435][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.556534][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.556614][ T32] r5:8577438c r4:85774000 [ 1348.556666][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.556752][ T32] r7:dddced80 r6:83018000 r5:8577438c r4:85248d00 [ 1348.556779][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.556845][ T32] r10:61c88647 r9:83be6000 r8:85248d2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.556900][ T32] r4:85248d00 [ 1348.556925][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.556974][ T32] r10:00000000 r9:85248d00 r8:80287e08 r7:ec671e60 r6:85248d80 r5:83be6000 [ 1348.556999][ T32] r4:00000001 [ 1348.557019][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.557056][ T32] Exception stack(0xec695fb0 to 0xec695ff8) [ 1348.557094][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.557128][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.557157][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.557189][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.557213][ T32] r4:857fd340 [ 1348.557460][ T32] INFO: task kworker/0:230:5704 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.557523][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.557613][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.557667][ T32] Call trace: [ 1348.557700][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.557754][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.557780][ T32] r4:00000000 [ 1348.557813][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.557860][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.557892][ T32] dd20: cfadd000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.557925][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.557952][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.557977][ T32] r5:800d0013 r4:80239bb0 [ 1348.558009][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.558056][ T32] r4:82ac21e4 [ 1348.558078][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.558122][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.558146][ T32] r4:e044ddc0 [ 1348.558195][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.558244][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.558268][ T32] r4:00000000 [ 1348.558289][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.558373][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.558426][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.558491][ T32] r5:00001000 r4:ed353000 [ 1348.558527][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.558574][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.558620][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.558641][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.558690][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.558712][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.558762][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.558787][ T32] r4:84ab5800 [ 1348.558822][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.558878][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.558903][ T32] r4:00000001 [ 1348.558924][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.558961][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.558988][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.559029][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.559062][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.559092][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.559117][ T32] r4:84ab0640 [ 1348.559137][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.559178][ T32] INFO: task kworker/0:231:5706 blocked for more than 474 seconds. [ 1348.566131][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.566255][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.566314][ T32] task:kworker/0:231 state:D stack:0 pid:5706 tgid:5706 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.566422][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.566522][ T32] Call trace: [ 1348.566560][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.566624][ T32] r10:8291a684 r9:ec699d84 r8:00000002 r7:60000113 r6:ec699d8c r5:83be5400 [ 1348.566651][ T32] r4:83be5400 [ 1348.566696][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.566750][ T32] r5:83be5400 r4:8291a680 [ 1348.566796][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.566883][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.566935][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec699e08 [ 1348.566983][ T32] r4:00000000 [ 1348.567032][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.567103][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.567150][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.567219][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fd800 [ 1348.567253][ T32] r4:00000000 [ 1348.567276][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.567328][ T32] r9:83018005 r8:83be5400 r7:00000000 r6:83018000 r5:00001000 r4:7f0e3000 [ 1348.567353][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.567406][ T32] r5:00001000 r4:ec6a3000 [ 1348.567431][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.567474][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.567521][ T32] r5:8577478c r4:85774400 [ 1348.567542][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.567594][ T32] r7:dddced80 r6:83018000 r5:8577478c r4:85248e00 [ 1348.567617][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.567668][ T32] r10:61c88647 r9:83be5400 r8:85248e2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.567693][ T32] r4:85248e00 [ 1348.567726][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.567782][ T32] r10:00000000 r9:85248e00 r8:80287e08 r7:ec695e60 r6:85248e80 r5:83be5400 [ 1348.567807][ T32] r4:00000001 [ 1348.567829][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.567905][ T32] Exception stack(0xec699fb0 to 0xec699ff8) [ 1348.567942][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.567984][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.568019][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.568052][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.568087][ T32] r4:857fd080 [ 1348.568616][ T32] INFO: task kworker/0:231:5706 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.568687][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.568805][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.568868][ T32] Call trace: [ 1348.568904][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.568962][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.568987][ T32] r4:00000000 [ 1348.569008][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.569052][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.569082][ T32] dd20: cfadd000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.569177][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.569314][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.581947][ T32] r5:800d0013 r4:80239bb0 [ 1348.582049][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.582126][ T32] r4:82ac21e4 [ 1348.582150][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.582200][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.582246][ T32] r4:e044ddc0 [ 1348.582298][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.582351][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.582377][ T32] r4:00000000 [ 1348.582407][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.582507][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.582538][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.582616][ T32] r5:00001000 r4:ed353000 [ 1348.582694][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.582767][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.582826][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.582851][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.582928][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.582958][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.583014][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.583050][ T32] r4:84ab5800 [ 1348.583099][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.583169][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.583199][ T32] r4:00000001 [ 1348.583222][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.583264][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.583339][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.583424][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.583461][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.583493][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.583518][ T32] r4:84ab0640 [ 1348.583544][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.583581][ T32] INFO: task kworker/0:232:5710 blocked for more than 475 seconds. [ 1348.583619][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.583647][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.583720][ T32] task:kworker/0:232 state:D stack:0 pid:5710 tgid:5710 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.583813][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.583894][ T32] Call trace: [ 1348.583969][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.584032][ T32] r10:8291a684 r9:ec5a9d84 r8:00000002 r7:60000113 r6:ec5a9d8c r5:83be6c00 [ 1348.584065][ T32] r4:83be6c00 [ 1348.584089][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.584136][ T32] r5:83be6c00 r4:8291a680 [ 1348.584169][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.584233][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.584307][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5a9e08 [ 1348.584338][ T32] r4:00000000 [ 1348.584360][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.584407][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.584456][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.584534][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fd900 [ 1348.584561][ T32] r4:00000000 [ 1348.584585][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.584634][ T32] r9:83018005 r8:83be6c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0e5000 [ 1348.584658][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.584703][ T32] r5:00001000 r4:ec6af000 [ 1348.584725][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.584767][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.584813][ T32] r5:85774b8c r4:85774800 [ 1348.584858][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.584923][ T32] r7:dddced80 r6:83018000 r5:85774b8c r4:85248f00 [ 1348.584974][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.585041][ T32] r10:61c88647 r9:83be6c00 r8:85248f2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.585071][ T32] r4:85248f00 [ 1348.585092][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.585152][ T32] r10:00000000 r9:85248f00 r8:80287e08 r7:ec699e60 r6:85248f80 r5:83be6c00 [ 1348.585204][ T32] r4:00000001 [ 1348.585229][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.585269][ T32] Exception stack(0xec5a9fb0 to 0xec5a9ff8) [ 1348.585298][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.585352][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.585392][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.585426][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.585469][ T32] r4:857fd600 [ 1348.585959][ T32] INFO: task kworker/0:232:5710 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.586007][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.586091][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.586141][ T32] Call trace: [ 1348.586193][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.586255][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.586303][ T32] r4:00000000 [ 1348.586353][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.586409][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.586467][ T32] dd20: cfbcb000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.586505][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.586575][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.586607][ T32] r5:800d0013 r4:80239bb0 [ 1348.586631][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.586676][ T32] r4:82ac21e4 [ 1348.586737][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.586789][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.586816][ T32] r4:e044ddc0 [ 1348.586860][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.586934][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.586998][ T32] r4:00000000 [ 1348.587024][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.587076][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.587100][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.587147][ T32] r5:00001000 r4:ed353000 [ 1348.587193][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.587242][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.587312][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.587339][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.587409][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.587435][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.587488][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.587513][ T32] r4:84ab5800 [ 1348.587535][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.587606][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.587637][ T32] r4:00000001 [ 1348.587660][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.587725][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.587763][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.587794][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.587846][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.587895][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.587950][ T32] r4:84ab0640 [ 1348.587977][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.588007][ T32] INFO: task kworker/0:233:5711 blocked for more than 475 seconds. [ 1348.588040][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.588067][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.588130][ T32] task:kworker/0:233 state:D stack:0 pid:5711 tgid:5711 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.588228][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.588296][ T32] Call trace: [ 1348.588333][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.588418][ T32] r10:8291a684 r9:ec6add84 r8:00000002 r7:60000113 r6:ec6add8c r5:83be1800 [ 1348.588481][ T32] r4:83be1800 [ 1348.588532][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.588583][ T32] r5:83be1800 r4:8291a680 [ 1348.588606][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.588648][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.588729][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6ade08 [ 1348.588783][ T32] r4:00000000 [ 1348.588810][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.588851][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.588888][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1348.589112][ T32] r5:00001000 r4:ec6bf000 ** 1 printk messages dropped ** [ 1348.589246][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.607444][ T32] r5:85774f8c r4:85774c00 [ 1348.607500][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.607589][ T32] r7:dddced80 r6:83018000 r5:85774f8c r4:85800000 [ 1348.607613][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.607702][ T32] r10:61c88647 r9:83be1800 r8:8580002c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.607735][ T32] r4:85800000 [ 1348.607758][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.607846][ T32] r10:00000000 r9:85800000 r8:80287e08 r7:ec5a9e60 r6:85800080 r5:83be1800 [ 1348.607878][ T32] r4:00000001 [ 1348.607901][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.607944][ T32] Exception stack(0xec6adfb0 to 0xec6adff8) [ 1348.607979][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.608011][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.608040][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.608096][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.608135][ T32] r4:857fd680 [ 1348.608667][ T32] INFO: task kworker/0:233:5711 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.608715][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.608814][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.608873][ T32] Call trace: [ 1348.608934][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.609021][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.609078][ T32] r4:00000000 [ 1348.609105][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.609153][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.609328][ T32] dd20: cff3b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.622655][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.622725][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.622760][ T32] r5:800d0013 r4:80239bb0 [ 1348.622797][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.622872][ T32] r4:82ac21e4 [ 1348.622921][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.622975][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.623001][ T32] r4:e044ddc0 [ 1348.623023][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.623076][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.623137][ T32] r4:00000000 [ 1348.623164][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.623217][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.623243][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.623293][ T32] r5:00001000 r4:ed353000 [ 1348.623315][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.623359][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.623419][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.623442][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.623495][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.623518][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.623570][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.623594][ T32] r4:84ab5800 [ 1348.623615][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.623665][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.623689][ T32] r4:00000001 [ 1348.623710][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.623772][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.623833][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.623919][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.623988][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.624049][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.624079][ T32] r4:84ab0640 [ 1348.624108][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.624162][ T32] INFO: task kworker/0:234:5713 blocked for more than 475 seconds. [ 1348.624205][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.624233][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.624258][ T32] task:kworker/0:234 state:D stack:0 pid:5713 tgid:5713 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.624325][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1348.624649][ T32] r5:84ac1800 r4:8291a680 ** 2 printk messages dropped ** [ 1348.624830][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6bde08 ** 4 printk messages dropped ** [ 1348.625034][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fdd80 ** 5 printk messages dropped ** [ 1348.625266][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.625324][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1348.625518][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1348.625722][ T32] r10:00000000 r9:85800100 r8:80287e08 r7:ec6ade60 r6:85800180 r5:84ac1800 ** 5 printk messages dropped ** [ 1348.625957][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1348.626624][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1348.626923][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1348.627133][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1348.627365][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1348.628022][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1348.628774][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 10 printk messages dropped ** [ 1348.640933][ T32] task:kworker/0:235 state:D stack:0 pid:5715 tgid:5715 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1348.641390][ T32] r4:841d0000 ** 2 printk messages dropped ** [ 1348.641512][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 5 printk messages dropped ** [ 1348.642001][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1348.642136][ T32] r4:00000000 [ 1348.642190][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.642248][ T32] r9:83018005 r8:841d0000 r7:00000000 r6:83018000 r5:00001000 r4:7f0e9000 [ 1348.642273][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.642357][ T32] r5:00001000 r4:ec6cb000 [ 1348.642386][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.642461][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.642513][ T32] r5:8577538c r4:85775000 [ 1348.642564][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.642682][ T32] r7:dddced80 r6:83018000 r5:8577538c r4:85800200 [ 1348.642713][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.642767][ T32] r10:61c88647 r9:841d0000 r8:8580022c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.642791][ T32] r4:85800200 [ 1348.642813][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.642876][ T32] r10:00000000 r9:85800200 r8:80287e08 r7:ec6bde60 r6:85800280 r5:841d0000 [ 1348.642906][ T32] r4:00000001 [ 1348.642956][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.643004][ T32] Exception stack(0xec6c9fb0 to 0xec6c9ff8) [ 1348.643036][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.643066][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.643095][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.643154][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.643184][ T32] r4:857fda80 [ 1348.643657][ T32] INFO: task kworker/0:235:5715 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.643698][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.643803][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.643891][ T32] Call trace: [ 1348.643931][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.644018][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.644049][ T32] r4:00000000 [ 1348.644071][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.644114][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.644145][ T32] dd20: d0416000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.644179][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.644263][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.644295][ T32] r5:800d0013 r4:80239bb0 [ 1348.644340][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.644387][ T32] r4:82ac21e4 [ 1348.644409][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.644454][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.644528][ T32] r4:e044ddc0 [ 1348.644583][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.644635][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.644661][ T32] r4:00000000 [ 1348.644744][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.644828][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.644857][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.644904][ T32] r5:00001000 r4:ed353000 [ 1348.644945][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.644994][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.645067][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.645093][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.645147][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.645225][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.645283][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.645318][ T32] r4:84ab5800 [ 1348.645341][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.645392][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.645470][ T32] r4:00000001 [ 1348.645497][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.645592][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.645633][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.645692][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.645726][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.645774][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.645831][ T32] r4:84ab0640 [ 1348.645865][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.645917][ T32] INFO: task kworker/0:236:5718 blocked for more than 475 seconds. [ 1348.645984][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.646050][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.646077][ T32] task:kworker/0:236 state:D stack:0 pid:5718 tgid:5718 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.646215][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.646274][ T32] Call trace: [ 1348.646348][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.646433][ T32] r10:8291a684 r9:ebbc9d84 r8:00000002 r7:60000013 r6:ebbc9d8c r5:841d0c00 [ 1348.646478][ T32] r4:841d0c00 [ 1348.646504][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.646552][ T32] r5:841d0c00 r4:8291a680 [ 1348.646602][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.646677][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.646731][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebbc9e08 [ 1348.646756][ T32] r4:00000000 [ 1348.646778][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.646814][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.646850][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.646976][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857fdf00 [ 1348.647006][ T32] r4:00000000 [ 1348.647033][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.647113][ T32] r9:83018005 r8:841d0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f05f000 [ 1348.647198][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.647307][ T32] r5:00001000 r4:dfb2b000 [ 1348.647367][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.647417][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.647463][ T32] r5:85775b8c r4:85775800 [ 1348.647485][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.647593][ T32] r7:dddced80 r6:83018000 r5:85775b8c r4:85800300 [ 1348.647648][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.647716][ T32] r10:61c88647 r9:841d0c00 r8:8580032c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.647744][ T32] r4:85800300 [ 1348.647767][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.647816][ T32] r10:00000000 r9:85800300 r8:80287e08 r7:ec6bde60 r6:85800380 r5:841d0c00 [ 1348.647872][ T32] r4:00000001 [ 1348.647935][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1348.648263][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1348.649047][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1348.680282][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1348.680496][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1348.681204][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1348.681730][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1348.682266][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1348.682810][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1348.683274][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1348.683403][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.683451][ T32] r5:85775f8c r4:85775c00 [ 1348.683500][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.683558][ T32] r7:dddced80 r6:83018000 r5:85775f8c r4:85800400 [ 1348.683609][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.683667][ T32] r10:61c88647 r9:857a4800 r8:8580042c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.683692][ T32] r4:85800400 [ 1348.683729][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.683824][ T32] r10:00000000 r9:85800400 r8:80287e08 r7:ebbc9e60 r6:85823800 r5:857a4800 [ 1348.683852][ T32] r4:00000001 [ 1348.683903][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.683948][ T32] Exception stack(0xec565fb0 to 0xec565ff8) [ 1348.684005][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.684040][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.684095][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.684166][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.684223][ T32] r4:857fdd00 [ 1348.684808][ T32] INFO: task kworker/0:237:5719 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.684856][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.684987][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.685069][ T32] Call trace: [ 1348.685137][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.685252][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.685283][ T32] r4:00000000 [ 1348.685339][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.685415][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.685479][ T32] dd20: d08f2000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.685537][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.685578][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.685634][ T32] r5:800d0013 r4:80239bb0 [ 1348.685662][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.685708][ T32] r4:82ac21e4 [ 1348.685730][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.685791][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.685830][ T32] r4:e044ddc0 [ 1348.685862][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.685930][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.686020][ T32] r4:00000000 [ 1348.686076][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.686193][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.686247][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.686353][ T32] r5:00001000 r4:ed353000 [ 1348.686405][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.686499][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.686585][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.686612][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.686711][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.686755][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.686854][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.686928][ T32] r4:84ab5800 [ 1348.686998][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.687100][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.687145][ T32] r4:00000001 [ 1348.687206][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.687250][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.687316][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.687383][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.687417][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1348.687647][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1348.688279][ T32] r5:857a3c00 r4:8291a680 ** 5 printk messages dropped ** [ 1348.688727][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1348.689161][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1348.708430][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1348.708945][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1348.715596][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1348.716850][ T32] Call trace: ** 5 printk messages dropped ** [ 1348.717326][ T32] dd20: d0b12000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 7 printk messages dropped ** [ 1348.717938][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1348.718432][ T32] r5:00001000 r4:ed353000 ** 6 printk messages dropped ** [ 1348.718822][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1348.733952][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1348.734684][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.734778][ T32] Call trace: [ 1348.734845][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.734926][ T32] r10:8291a684 r9:ec6d9d84 r8:00000002 r7:60000113 r6:ec6d9d8c r5:857a3000 [ 1348.734985][ T32] r4:857a3000 [ 1348.735040][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.735101][ T32] r5:857a3000 r4:8291a680 [ 1348.735126][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.735171][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.735245][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6d9e08 [ 1348.735310][ T32] r4:00000000 [ 1348.735351][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.735408][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.735452][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.735498][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857f02c0 [ 1348.735579][ T32] r4:00000000 [ 1348.735616][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.735674][ T32] r9:83018005 r8:857a3000 r7:00000000 r6:83018000 r5:00001000 r4:7f0ef000 [ 1348.735699][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.735747][ T32] r5:00001000 r4:eaea9000 [ 1348.735785][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.735841][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.735943][ T32] r5:8577678c r4:85776400 [ 1348.735972][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.736031][ T32] r7:dddced80 r6:83018000 r5:8577678c r4:85800500 [ 1348.736055][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.736107][ T32] r10:61c88647 r9:857a3000 r8:8580052c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.736133][ T32] r4:85800500 [ 1348.736213][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.736382][ T32] r10:00000000 r9:85800500 r8:80287e08 r7:ec57de60 r6:85823900 r5:857a3000 [ 1348.736460][ T32] r4:00000001 [ 1348.736538][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.736635][ T32] Exception stack(0xec6d9fb0 to 0xec6d9ff8) [ 1348.736700][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.736785][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.736865][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.736962][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.737023][ T32] r4:857f0200 [ 1348.737626][ T32] INFO: task kworker/0:239:5723 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.737700][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.737901][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.738007][ T32] Call trace: [ 1348.738076][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.738186][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.738242][ T32] r4:00000000 [ 1348.738324][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.738417][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.738485][ T32] dd20: d0eb6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.738552][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.738611][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.738663][ T32] r5:800d0013 r4:80239bb0 [ 1348.738712][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.738787][ T32] r4:82ac21e4 [ 1348.738831][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.738929][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.738958][ T32] r4:e044ddc0 [ 1348.738997][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.739049][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.739089][ T32] r4:00000000 [ 1348.739115][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 7 printk messages dropped ** [ 1348.749731][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1348.750111][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 7 printk messages dropped ** [ 1348.750715][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1348.751451][ T32] r5:857a6c00 r4:8291a680 ** 1 printk messages dropped ** [ 1348.751536][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.751594][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6ede08 [ 1348.751619][ T32] r4:00000000 [ 1348.751660][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.751756][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.751865][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.751997][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857f0440 [ 1348.752056][ T32] r4:00000000 [ 1348.752111][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.752223][ T32] r9:83018005 r8:857a6c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0f1000 [ 1348.752271][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.752374][ T32] r5:00001000 r4:eb05d000 [ 1348.752426][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.752549][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.752651][ T32] r5:85776b8c r4:85776800 [ 1348.752723][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.752833][ T32] r7:dddced80 r6:83018000 r5:85776b8c r4:85800580 [ 1348.752901][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.753012][ T32] r10:61c88647 r9:857a6c00 r8:858005ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.753068][ T32] r4:85800580 [ 1348.753116][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.753215][ T32] r10:00000000 r9:85800580 r8:80287e08 r7:ec6d9e60 r6:85823980 r5:857a6c00 [ 1348.753289][ T32] r4:00000001 [ 1348.753355][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.753437][ T32] Exception stack(0xec6edfb0 to 0xec6edff8) [ 1348.753505][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.753576][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.753635][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.753734][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.753769][ T32] r4:857f0200 [ 1348.754460][ T32] INFO: task kworker/0:240:5725 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.754577][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.754660][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.754735][ T32] Call trace: [ 1348.754823][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.754915][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.754972][ T32] r4:00000000 [ 1348.755029][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.755107][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.755189][ T32] dd20: d0eb6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.755228][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.755286][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.755326][ T32] r5:800d0013 r4:80239bb0 [ 1348.755351][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.755423][ T32] r4:82ac21e4 [ 1348.755451][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.755499][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.755524][ T32] r4:e044ddc0 [ 1348.755546][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.755599][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.755624][ T32] r4:00000000 [ 1348.755701][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1348.756156][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1348.756804][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1348.757123][ T32] INFO: task kworker/0:241:5727 blocked for more than 475 seconds. ** 7 printk messages dropped ** [ 1348.757580][ T32] r4:857a1800 ** 5 printk messages dropped ** [ 1348.757799][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1348.758064][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857f0580 ** 6 printk messages dropped ** [ 1348.758352][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1348.758594][ T32] r4:85800600 ** 6 printk messages dropped ** [ 1348.758920][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1348.793144][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 10 printk messages dropped ** [ 1348.793710][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 9 printk messages dropped ** [ 1348.794250][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1348.794740][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1348.795048][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1348.795656][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1348.796073][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 8 printk messages dropped ** [ 1348.796622][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1348.797082][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1348.797539][ T32] r4:85800680 ** 6 printk messages dropped ** [ 1348.797846][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1348.797914][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.797982][ T32] r4:857f04c0 [ 1348.798418][ T32] INFO: task kworker/0:242:5728 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.798462][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.798527][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.798612][ T32] Call trace: [ 1348.798689][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.798838][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.798903][ T32] r4:00000000 [ 1348.798952][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.799046][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.799111][ T32] dd20: d15b7000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.799173][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.799222][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.799312][ T32] r5:800d0013 r4:80239bb0 [ 1348.799342][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.811607][ T32] r4:82ac21e4 [ 1348.811696][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.811797][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.811833][ T32] r4:e044ddc0 [ 1348.811858][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.811907][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.811961][ T32] r4:00000000 [ 1348.811990][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.812072][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.812104][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.812186][ T32] r5:00001000 r4:ed353000 [ 1348.812221][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.812270][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.812330][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.812355][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.812411][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.812436][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.812544][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.812613][ T32] r4:84ab5800 [ 1348.812670][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.812758][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.812816][ T32] r4:00000001 [ 1348.812870][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.812920][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.812955][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.813017][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.813052][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.813113][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.813143][ T32] r4:84ab0640 [ 1348.813174][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.813210][ T32] INFO: task kworker/0:243:5731 blocked for more than 475 seconds. [ 1348.813249][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.813296][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.813329][ T32] task:kworker/0:243 state:D stack:0 pid:5731 tgid:5731 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.813428][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.813497][ T32] Call trace: [ 1348.813559][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.813629][ T32] r10:8291a684 r9:ec6f1d84 r8:00000002 r7:60000013 r6:ec6f1d8c r5:841d2400 [ 1348.813672][ T32] r4:841d2400 [ 1348.813698][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.813748][ T32] r5:841d2400 r4:8291a680 [ 1348.813856][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.813907][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.813955][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6f1e08 [ 1348.814007][ T32] r4:00000000 [ 1348.814033][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.814075][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.814113][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.814173][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857f0880 [ 1348.814204][ T32] r4:00000000 [ 1348.814255][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.814311][ T32] r9:83018005 r8:841d2400 r7:00000000 r6:83018000 r5:00001000 r4:7f0f7000 [ 1348.814363][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.814443][ T32] r5:00001000 r4:eb5d9000 [ 1348.814471][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.814518][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.814586][ T32] r5:8577778c r4:85777400 [ 1348.814615][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.814668][ T32] r7:dddced80 r6:83018000 r5:8577778c r4:85800780 [ 1348.814693][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.814745][ T32] r10:61c88647 r9:841d2400 r8:858007ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.814770][ T32] r4:85800780 [ 1348.814831][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.814914][ T32] r10:00000000 r9:85800780 r8:80287e08 r7:ebbf1e60 r6:85800800 r5:841d2400 [ 1348.814972][ T32] r4:00000001 [ 1348.814997][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.815042][ T32] Exception stack(0xec6f1fb0 to 0xec6f1ff8) [ 1348.815073][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.815104][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.815142][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.815178][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.815202][ T32] r4:857f0500 [ 1348.815831][ T32] INFO: task kworker/0:243:5731 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.815901][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1348.816817][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1348.817115][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1348.817855][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1348.818154][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 7 printk messages dropped ** [ 1348.818538][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1348.818781][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.818862][ T32] Call trace: [ 1348.818912][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.818969][ T32] r10:8291a684 r9:ec70dd84 r8:00000002 r7:60000013 r6:ec70dd8c r5:841d3000 [ 1348.819025][ T32] r4:841d3000 [ 1348.819079][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.819158][ T32] r5:841d3000 r4:8291a680 [ 1348.819184][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.819229][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.819338][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec70de08 [ 1348.840300][ T32] r4:00000000 [ 1348.840364][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.840467][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.840565][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.840621][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857f0d80 [ 1348.840647][ T32] r4:00000000 [ 1348.840669][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.840768][ T32] r9:83018005 r8:841d3000 r7:00000000 r6:83018000 r5:00001000 r4:7f0fb000 [ 1348.840797][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.840904][ T32] r5:00001000 r4:eb781000 [ 1348.840972][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.841070][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.841173][ T32] r5:85777f8c r4:85777c00 [ 1348.841243][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.841365][ T32] r7:dddced80 r6:83018000 r5:85777f8c r4:85800880 [ 1348.841422][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.841530][ T32] r10:61c88647 r9:841d3000 r8:858008ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.841618][ T32] r4:85800880 [ 1348.841678][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.841738][ T32] r10:00000000 r9:85800880 r8:80287e08 r7:ec6f1e60 r6:85800900 r5:841d3000 [ 1348.841778][ T32] r4:00000001 [ 1348.841811][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.841866][ T32] Exception stack(0xec70dfb0 to 0xec70dff8) [ 1348.841983][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.842049][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.842091][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.842141][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.842171][ T32] r4:857f07c0 [ 1348.842817][ T32] INFO: task kworker/0:244:5732 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.842871][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.842999][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.843063][ T32] Call trace: [ 1348.843197][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.843263][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.843292][ T32] r4:00000000 [ 1348.843331][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.843378][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.843438][ T32] dd20: d199d000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.843487][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.843518][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.843552][ T32] r5:800d0013 r4:80239bb0 [ 1348.843579][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.843660][ T32] r4:82ac21e4 [ 1348.843685][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.843764][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.843809][ T32] r4:e044ddc0 [ 1348.843832][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.843882][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.843907][ T32] r4:00000000 [ 1348.843929][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.843996][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.844090][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.844199][ T32] r5:00001000 r4:ed353000 [ 1348.844249][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.844349][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.844426][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.844493][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.844602][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.844646][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.844705][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 4 printk messages dropped ** [ 1348.844963][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1348.845210][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1348.845586][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 2 printk messages dropped ** [ 1348.845966][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1348.846329][ T32] r4:841d3c00 ** 2 printk messages dropped ** [ 1348.846472][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1348.846964][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857f0a80 ** 6 printk messages dropped ** [ 1348.847688][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1348.847969][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1348.848265][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1348.848605][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1348.877988][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1348.878483][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1348.878607][ T32] r4:e044ddc0 ** 2 printk messages dropped ** [ 1348.878744][ T32] r4:00000000 [ 1348.878766][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.878842][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.878877][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.878938][ T32] r5:00001000 r4:ed353000 [ 1348.878982][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.879027][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.879113][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.879160][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.882372][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.882471][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.882540][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.882599][ T32] r4:84ab5800 [ 1348.882629][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.882736][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.882788][ T32] r4:00000001 [ 1348.882872][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.882966][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.883031][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.883106][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.883170][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.883236][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.883283][ T32] r4:84ab0640 [ 1348.883345][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.883428][ T32] INFO: task kworker/0:246:5736 blocked for more than 475 seconds. [ 1348.883495][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.883544][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.883616][ T32] task:kworker/0:246 state:D stack:0 pid:5736 tgid:5736 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.883715][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.883802][ T32] Call trace: [ 1348.883875][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.883983][ T32] r10:8291a684 r9:ec719d84 r8:00000002 r7:60000113 r6:ec719d8c r5:841d5400 [ 1348.884040][ T32] r4:841d5400 [ 1348.884084][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.884150][ T32] r5:841d5400 r4:8291a680 [ 1348.884175][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.884217][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.884262][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec719e08 [ 1348.884286][ T32] r4:00000000 [ 1348.884312][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.884425][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.884538][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.884646][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857f0fc0 [ 1348.884702][ T32] r4:00000000 [ 1348.884755][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.884811][ T32] r9:83018005 r8:841d5400 r7:00000000 r6:83018000 r5:00001000 r4:7f0fd000 [ 1348.884836][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.884913][ T32] r5:00001000 r4:eb813000 [ 1348.884937][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.884981][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.885027][ T32] r5:852c038c r4:852c0000 [ 1348.885049][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.885098][ T32] r7:dddced80 r6:83018000 r5:852c038c r4:85800a80 [ 1348.885156][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.885248][ T32] r10:61c88647 r9:841d5400 r8:85800aac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.885284][ T32] r4:85800a80 [ 1348.885335][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.885387][ T32] r10:00000000 r9:85800a80 r8:80287e08 r7:ec70de60 r6:85800b00 r5:841d5400 [ 1348.885411][ T32] r4:00000001 [ 1348.885455][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.885498][ T32] Exception stack(0xec719fb0 to 0xec719ff8) [ 1348.885528][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.885590][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1348.885739][ T32] r4:857f07c0 ** 3 printk messages dropped ** [ 1348.886622][ T32] Call trace: ** 4 printk messages dropped ** [ 1348.886949][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 7 printk messages dropped ** [ 1348.887333][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 8 printk messages dropped ** [ 1348.887683][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 7 printk messages dropped ** [ 1348.888009][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1348.888307][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 8 printk messages dropped ** [ 1348.888969][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 6 printk messages dropped ** [ 1348.907280][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec72de08 ** 10 printk messages dropped ** [ 1348.907954][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.908062][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1348.908453][ T32] r10:00000000 r9:85800b80 r8:80287e08 r7:ec719e60 r6:85800c00 r5:841d4800 ** 5 printk messages dropped ** [ 1348.908698][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.908729][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.908779][ T32] r4:857f0800 [ 1348.924028][ T32] INFO: task kworker/0:247:5738 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.924282][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.924396][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.924497][ T32] Call trace: [ 1348.924588][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.924676][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.924709][ T32] r4:00000000 [ 1348.924755][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.924858][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.924932][ T32] dd20: d22a2000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.925006][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.925063][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.925114][ T32] r5:800d0013 r4:80239bb0 [ 1348.925159][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.925258][ T32] r4:82ac21e4 [ 1348.925299][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.925349][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.925382][ T32] r4:e044ddc0 [ 1348.925432][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.925515][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.925541][ T32] r4:00000000 [ 1348.925578][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.925664][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.925696][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.925853][ T32] r5:00001000 r4:ed353000 [ 1348.925883][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.925929][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.926002][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.926056][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.926164][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.926225][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.926284][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.926337][ T32] r4:84ab5800 [ 1348.926369][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.926422][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.926447][ T32] r4:00000001 [ 1348.926468][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.926508][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.926536][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.926567][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.926595][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.926645][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.926702][ T32] r4:84ab0640 [ 1348.926737][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.926781][ T32] INFO: task kworker/0:248:5741 blocked for more than 475 seconds. [ 1348.926845][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.926877][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.926955][ T32] task:kworker/0:248 state:D stack:0 pid:5741 tgid:5741 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.927011][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.927085][ T32] Call trace: [ 1348.927151][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.927233][ T32] r10:8291a684 r9:ec669d84 r8:00000002 r7:60000113 r6:ec669d8c r5:841d6c00 ** 4 printk messages dropped ** [ 1348.927469][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1348.927769][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 2 printk messages dropped ** [ 1348.927880][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1348.928192][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.928267][ T32] r5:852c0b8c r4:852c0800 [ 1348.928337][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.928470][ T32] r7:dddced80 r6:83018000 r5:852c0b8c r4:85800d00 ** 2 printk messages dropped ** [ 1348.928703][ T32] r4:85800d00 ** 2 printk messages dropped ** [ 1348.928905][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1348.938194][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 3 printk messages dropped ** [ 1348.938892][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1348.939345][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 1 printk messages dropped ** [ 1348.950232][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 5 printk messages dropped ** [ 1348.950652][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 8 printk messages dropped ** [ 1348.951144][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1348.951648][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1348.952184][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 8 printk messages dropped ** [ 1348.952852][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 6 printk messages dropped ** [ 1348.953236][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec741e08 ** 5 printk messages dropped ** [ 1348.953511][ T32] r4:00000000 [ 1348.953561][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.953618][ T32] r9:83018005 r8:841d6000 r7:00000000 r6:83018000 r5:00001000 r4:7f103000 [ 1348.953643][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.953690][ T32] r5:00001000 r4:eba29000 [ 1348.953716][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.953791][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.953868][ T32] r5:852c0f8c r4:852c0c00 [ 1348.953896][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.953949][ T32] r7:dddced80 r6:83018000 r5:852c0f8c r4:85800c80 [ 1348.953986][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.954043][ T32] r10:61c88647 r9:841d6000 r8:85800cac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.954069][ T32] r4:85800c80 [ 1348.954091][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.954141][ T32] r10:00000000 r9:85800c80 r8:80287e08 r7:ec669e60 r6:85800e00 r5:841d6000 [ 1348.954166][ T32] r4:00000001 [ 1348.954189][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.954228][ T32] Exception stack(0xec741fb0 to 0xec741ff8) [ 1348.954258][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.954290][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.954351][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.954398][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.954430][ T32] r4:848dc5c0 [ 1348.955042][ T32] INFO: task kworker/0:249:5743 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.955122][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.955282][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.955380][ T32] Call trace: [ 1348.955454][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.955574][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.955635][ T32] r4:00000000 [ 1348.955667][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.955734][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.955774][ T32] dd20: d23e3000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.955834][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.955869][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.955897][ T32] r5:800d0013 r4:80239bb0 [ 1348.955921][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.955980][ T32] r4:82ac21e4 [ 1348.956008][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.956088][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.956120][ T32] r4:e044ddc0 [ 1348.956143][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.956190][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.956215][ T32] r4:00000000 [ 1348.956266][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.956325][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.956351][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.956406][ T32] r5:00001000 r4:ed353000 [ 1348.956428][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.956473][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.956577][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.956607][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.956667][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.956692][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.956746][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.956828][ T32] r4:84ab5800 [ 1348.956883][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.956941][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1348.956986][ T32] r4:00000001 [ 1348.957011][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.957053][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1348.957082][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.957114][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.957171][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.957208][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.957260][ T32] r4:84ab0640 [ 1348.957286][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.957345][ T32] INFO: task kworker/0:250:5746 blocked for more than 475 seconds. [ 1348.957392][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1348.957420][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.957451][ T32] task:kworker/0:250 state:D stack:0 pid:5746 tgid:5746 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.957505][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.957617][ T32] Call trace: [ 1348.957691][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1348.957772][ T32] r10:8291a684 r9:ec745d84 r8:00000002 r7:60000013 r6:ec745d8c r5:857d0000 [ 1348.957822][ T32] r4:857d0000 [ 1348.957850][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1348.957900][ T32] r5:857d0000 r4:8291a680 [ 1348.957950][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.958026][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.958078][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec745e08 [ 1348.958111][ T32] r4:00000000 [ 1348.958135][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1348.958174][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1348.958242][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.958323][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c6640 [ 1348.958352][ T32] r4:00000000 [ 1348.958410][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.958465][ T32] r9:83018005 r8:857d0000 r7:00000000 r6:83018000 r5:00001000 r4:7f105000 [ 1348.958518][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.958569][ T32] r5:00001000 r4:eba51000 [ 1348.958592][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.958647][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.958724][ T32] r5:852c138c r4:852c1000 [ 1348.958752][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.958805][ T32] r7:dddced80 r6:83018000 r5:852c138c r4:85800e80 [ 1348.958828][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.958910][ T32] r10:61c88647 r9:857d0000 r8:85800eac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.958942][ T32] r4:85800e80 [ 1348.958964][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1348.959016][ T32] r10:00000000 r9:85800e80 r8:80287e08 r7:ec741e60 r6:85800f00 r5:857d0000 [ 1348.959058][ T32] r4:00000001 [ 1348.959110][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.959193][ T32] Exception stack(0xec745fb0 to 0xec745ff8) [ 1348.959261][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.977819][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.977927][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.977997][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1348.978035][ T32] r4:851c6580 [ 1348.978501][ T32] INFO: task kworker/0:250:5746 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1348.978547][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.978650][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.978756][ T32] Call trace: [ 1348.978822][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1348.978891][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1348.978917][ T32] r4:00000000 [ 1348.978939][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.978983][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1348.979013][ T32] dd20: d252d000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1348.979070][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1348.979103][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1348.979159][ T32] r5:800d0013 r4:80239bb0 [ 1348.979187][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.992851][ T32] r4:82ac21e4 [ 1348.992993][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.993146][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1348.993215][ T32] r4:e044ddc0 [ 1348.993267][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1348.993358][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1348.993421][ T32] r4:00000000 [ 1348.993465][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1348.993573][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1348.993631][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1348.993739][ T32] r5:00001000 r4:ed353000 [ 1348.993783][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1348.993927][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.994038][ T32] r5:85c0ff8c r4:85c0fc00 [ 1348.994088][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1348.994146][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1348.994169][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1348.994244][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 1 printk messages dropped ** [ 1348.994348][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1348.995053][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1348.995506][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1348.995821][ T32] r4:857d0c00 ** 4 printk messages dropped ** [ 1348.996218][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec749e08 ** 9 printk messages dropped ** [ 1348.997100][ T32] r5:00001000 r4:eba89000 ** 1 printk messages dropped ** [ 1348.997259][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1348.997661][ T32] r10:61c88647 r9:857d0c00 r8:85800fac r7:82804d40 r6:dddced80 r5:dddceda0 ** 5 printk messages dropped ** [ 1348.997847][ T32] Exception stack(0xec749fb0 to 0xec749ff8) ** 4 printk messages dropped ** [ 1348.998050][ T32] r4:8573f000 ** 3 printk messages dropped ** [ 1348.998699][ T32] Call trace: ** 5 printk messages dropped ** [ 1348.998936][ T32] dd20: d2972000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1349.010246][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1349.010860][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1349.011307][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1349.011722][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1349.012143][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.012296][ T32] Call trace: [ 1349.012385][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.012532][ T32] r10:8291a684 r9:ec74dd84 r8:00000002 r7:60000013 r6:ec74dd8c r5:857d1800 [ 1349.012615][ T32] r4:857d1800 [ 1349.012644][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.012694][ T32] r5:857d1800 r4:8291a680 [ 1349.012734][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.012821][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.012932][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec74de08 [ 1349.012964][ T32] r4:00000000 [ 1349.012986][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.013033][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.013074][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.013125][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8573f500 [ 1349.013201][ T32] r4:00000000 [ 1349.013287][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.013394][ T32] r9:83018005 r8:857d1800 r7:00000000 r6:83018000 r5:00001000 r4:7f10b000 [ 1349.013455][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.013515][ T32] r5:00001000 r4:ebb6b000 [ 1349.013540][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.013584][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.013670][ T32] r5:852c1f8c r4:852c1c00 [ 1349.013797][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.013865][ T32] r7:dddced80 r6:83018000 r5:852c1f8c r4:85061080 [ 1349.013891][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.013945][ T32] r10:61c88647 r9:857d1800 r8:850610ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.013971][ T32] r4:85061080 [ 1349.014004][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.014116][ T32] r10:00000000 r9:85061080 r8:80287e08 r7:ec749e60 r6:85061100 r5:857d1800 [ 1349.014172][ T32] r4:00000001 [ 1349.014216][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.014291][ T32] Exception stack(0xec74dfb0 to 0xec74dff8) [ 1349.014371][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.014446][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.014514][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.014597][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.014685][ T32] r4:8573f240 [ 1349.015389][ T32] INFO: task kworker/0:252:5749 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.015464][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.015579][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.015706][ T32] Call trace: [ 1349.015789][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.015893][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.015942][ T32] r4:00000000 [ 1349.015981][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.016065][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.016132][ T32] dd20: d2972000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.016201][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.016254][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.016307][ T32] r5:800d0013 r4:80239bb0 [ 1349.016377][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.016463][ T32] r4:82ac21e4 [ 1349.016535][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.016627][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.016656][ T32] r4:e044ddc0 [ 1349.016698][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.016808][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.016839][ T32] r4:00000000 [ 1349.016864][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.016945][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.016977][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.017078][ T32] r5:00001000 r4:ed353000 [ 1349.017108][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.017157][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.017203][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.017225][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 4 printk messages dropped ** [ 1349.017428][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1349.017650][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 2 printk messages dropped ** [ 1349.017755][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1349.017975][ T32] task:kworker/0:253 state:D stack:0 pid:5751 tgid:5751 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1349.018378][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 1 printk messages dropped ** [ 1349.018582][ T32] r4:00000000 [ 1349.018639][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.018722][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.018807][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.018877][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8573f300 [ 1349.018960][ T32] r4:00000000 [ 1349.018987][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.019038][ T32] r9:83018005 r8:857d2400 r7:00000000 r6:83018000 r5:00001000 r4:7f109000 [ 1349.019061][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.019116][ T32] r5:00001000 r4:ebb19000 [ 1349.019158][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.019358][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.049984][ T32] r5:852c1b8c r4:852c1800 [ 1349.050046][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.050134][ T32] r7:dddced80 r6:83018000 r5:852c1b8c r4:85061180 [ 1349.050192][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.050255][ T32] r10:61c88647 r9:857d2400 r8:850611ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.050283][ T32] r4:85061180 [ 1349.050330][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.050441][ T32] r10:00000000 r9:85061180 r8:80287e08 r7:ec74de60 r6:85061200 r5:857d2400 [ 1349.050479][ T32] r4:00000001 [ 1349.050505][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.050550][ T32] Exception stack(0xec751fb0 to 0xec751ff8) [ 1349.050585][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.050652][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.050693][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.050772][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.050847][ T32] r4:8573f180 [ 1349.051450][ T32] INFO: task kworker/0:253:5751 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.051503][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.051586][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.051684][ T32] Call trace: [ 1349.051784][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.051920][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.051981][ T32] r4:00000000 [ 1349.052034][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.052121][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.052183][ T32] dd20: d2cca000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.052251][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.052307][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.052337][ T32] r5:800d0013 r4:80239bb0 [ 1349.052363][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.052415][ T32] r4:82ac21e4 [ 1349.052438][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.052495][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.052586][ T32] r4:e044ddc0 [ 1349.052669][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.052898][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.052930][ T32] r4:00000000 [ 1349.052954][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.053035][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.053113][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.053172][ T32] r5:00001000 r4:ed353000 [ 1349.053224][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.053276][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.053374][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.053431][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.053520][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.053605][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.053679][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.053720][ T32] r4:84ab5800 [ 1349.053748][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.053803][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.053828][ T32] r4:00000001 [ 1349.053851][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.053892][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.053921][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.053979][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.054015][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.054047][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.054072][ T32] r4:84ab0640 [ 1349.054124][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.054189][ T32] INFO: task kworker/0:254:5754 blocked for more than 475 seconds. [ 1349.054233][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.054262][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.054310][ T32] task:kworker/0:254 state:D stack:0 pid:5754 tgid:5754 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.054437][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.054499][ T32] Call trace: [ 1349.054565][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.054641][ T32] r10:8291a684 r9:ec755d84 r8:00000002 r7:60000113 r6:ec755d8c r5:857d3000 [ 1349.054672][ T32] r4:857d3000 [ 1349.054708][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.054769][ T32] r5:857d3000 r4:8291a680 [ 1349.054820][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.054870][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1349.055121][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8573f640 ** 6 printk messages dropped ** [ 1349.055393][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1349.055589][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1349.055830][ T32] Exception stack(0xec755fb0 to 0xec755ff8) ** 6 printk messages dropped ** [ 1349.056418][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1349.057647][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1349.058048][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1349.058930][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1349.059077][ T32] r4:00000001 [ 1349.059099][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.059137][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.059166][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.059199][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.089756][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.089890][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.089927][ T32] r4:84ab0640 [ 1349.089960][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.089999][ T32] INFO: task kworker/0:255:5755 blocked for more than 475 seconds. [ 1349.090044][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.090106][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.090188][ T32] task:kworker/0:255 state:D stack:0 pid:5755 tgid:5755 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.090267][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.090346][ T32] Call trace: [ 1349.090455][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.090549][ T32] r10:8291a684 r9:ec759d84 r8:00000002 r7:60000113 r6:ec759d8c r5:857d3c00 [ 1349.090583][ T32] r4:857d3c00 [ 1349.090615][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.090675][ T32] r5:857d3c00 r4:8291a680 [ 1349.090703][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.090753][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.090807][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec759e08 [ 1349.090836][ T32] r4:00000000 [ 1349.090927][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.091055][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.091104][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.091184][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8573f800 [ 1349.091246][ T32] r4:00000000 [ 1349.091282][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.091341][ T32] r9:83018005 r8:857d3c00 r7:00000000 r6:83018000 r5:00001000 r4:7f10f000 [ 1349.091407][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.091520][ T32] r5:00001000 r4:ebbb1000 [ 1349.091604][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.091716][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.091821][ T32] r5:852c278c r4:852c2400 [ 1349.091870][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.091931][ T32] r7:dddced80 r6:83018000 r5:852c278c r4:85061380 [ 1349.091987][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.092089][ T32] r10:61c88647 r9:857d3c00 r8:850613ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.092141][ T32] r4:85061380 [ 1349.092165][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.092231][ T32] r10:00000000 r9:85061380 r8:80287e08 r7:ec755e60 r6:85061400 r5:857d3c00 [ 1349.092267][ T32] r4:00000001 [ 1349.092290][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.092382][ T32] Exception stack(0xec759fb0 to 0xec759ff8) [ 1349.092418][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.092450][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.092525][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.092567][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.092592][ T32] r4:8573f380 [ 1349.093194][ T32] INFO: task kworker/0:255:5755 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.093249][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.093317][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.093374][ T32] Call trace: ** 1 printk messages dropped ** [ 1349.093509][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 8 printk messages dropped ** [ 1349.094157][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1349.094576][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1349.095396][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1349.096036][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1349.096483][ T32] INFO: task kworker/0:256:5758 blocked for more than 475 seconds. ** 6 printk messages dropped ** [ 1349.097182][ T32] r10:8291a684 r9:ec75dd84 r8:00000002 r7:60000113 r6:ec75dd8c r5:857d4800 ** 8 printk messages dropped ** [ 1349.097925][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 7 printk messages dropped ** [ 1349.098511][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1349.098873][ T32] r7:dddced80 r6:83018000 r5:852c2b8c r4:85061480 ** 4 printk messages dropped ** [ 1349.120115][ T32] r10:00000000 r9:85061480 r8:80287e08 r7:ec759e60 r6:85061500 r5:857d4800 ** 9 printk messages dropped ** [ 1349.121239][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.121357][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.121463][ T32] Call trace: [ 1349.121518][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.121583][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.121616][ T32] r4:00000000 [ 1349.121640][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.121714][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.121778][ T32] dd20: d348c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.121816][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.121845][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.121871][ T32] r5:800d0013 r4:80239bb0 [ 1349.121919][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.121987][ T32] r4:82ac21e4 [ 1349.122018][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.122097][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.122127][ T32] r4:e044ddc0 [ 1349.122151][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.122212][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.122275][ T32] r4:00000000 [ 1349.122322][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.122427][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.122590][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.122808][ T32] r5:00001000 r4:ed353000 [ 1349.122868][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.123018][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.123132][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.123184][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.123282][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.123342][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.123461][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.123533][ T32] r4:84ab5800 [ 1349.123587][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.123729][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.123785][ T32] r4:00000001 [ 1349.123830][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.123920][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.123984][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.124026][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.124055][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.124115][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.124198][ T32] r4:84ab0640 [ 1349.124257][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.124390][ T32] INFO: task kworker/0:257:5759 blocked for more than 475 seconds. [ 1349.124491][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.124591][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.124684][ T32] task:kworker/0:257 state:D stack:0 pid:5759 tgid:5759 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.124815][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.124913][ T32] Call trace: [ 1349.124949][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.125020][ T32] r10:8291a684 r9:ec761d84 r8:00000002 r7:60000013 r6:ec761d8c r5:857d5400 [ 1349.125082][ T32] r4:857d5400 [ 1349.125110][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.125197][ T32] r5:857d5400 r4:8291a680 [ 1349.125279][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.125330][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.125382][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec761e08 [ 1349.125407][ T32] r4:00000000 [ 1349.125427][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.125464][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.125501][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.125545][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8573fac0 [ 1349.125571][ T32] r4:00000000 [ 1349.125613][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.125666][ T32] r9:83018005 r8:857d5400 r7:00000000 r6:83018000 r5:00001000 r4:7f113000 [ 1349.125693][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.125739][ T32] r5:00001000 r4:ebbe5000 [ 1349.125760][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.125801][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.125900][ T32] r5:852c2f8c r4:852c2c00 [ 1349.125955][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.126038][ T32] r7:dddced80 r6:83018000 r5:852c2f8c r4:85061580 [ 1349.126066][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.126147][ T32] r10:61c88647 r9:857d5400 r8:850615ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.126176][ T32] r4:85061580 [ 1349.126228][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.126287][ T32] r10:00000000 r9:85061580 r8:80287e08 r7:ec75de60 r6:85061600 r5:857d5400 [ 1349.126315][ T32] r4:00000001 [ 1349.126349][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.126440][ T32] Exception stack(0xec761fb0 to 0xec761ff8) [ 1349.126474][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.126527][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.126654][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.126766][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.126892][ T32] r4:8573f7c0 [ 1349.127332][ T32] INFO: task kworker/0:257:5759 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.127416][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.127544][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.127679][ T32] Call trace: [ 1349.127769][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.127896][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.127957][ T32] r4:00000000 [ 1349.128035][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.128130][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.128197][ T32] dd20: d348c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.128296][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.128367][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.128418][ T32] r5:800d0013 r4:80239bb0 ** 1 printk messages dropped ** [ 1349.128615][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1349.128956][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1349.150566][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1349.150940][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1349.151312][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1349.151692][ T32] task:kworker/0:258 state:D stack:0 pid:5761 tgid:5761 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1349.152172][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1349.152484][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1349.152774][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1349.153014][ T32] r4:85061680 [ 1349.153035][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.153084][ T32] r10:00000000 r9:85061680 r8:80287e08 r7:ec761e60 r6:85061700 r5:857d6000 [ 1349.153109][ T32] r4:00000001 [ 1349.153131][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.153170][ T32] Exception stack(0xec765fb0 to 0xec765ff8) [ 1349.153199][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.153231][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.153278][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.153318][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.153346][ T32] r4:8573f8c0 [ 1349.153827][ T32] INFO: task kworker/0:258:5761 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.153868][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.153953][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.154019][ T32] Call trace: [ 1349.154130][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.154193][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.154221][ T32] r4:00000000 [ 1349.154259][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.154308][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.154339][ T32] dd20: d37aa000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.154379][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.154411][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.154533][ T32] r5:800d0013 r4:80239bb0 [ 1349.154562][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.154612][ T32] r4:82ac21e4 [ 1349.154651][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.154704][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.154731][ T32] r4:e044ddc0 [ 1349.154754][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.154800][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.154825][ T32] r4:00000000 [ 1349.154874][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.154936][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.154963][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.155026][ T32] r5:00001000 r4:ed353000 [ 1349.155054][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.155122][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.155176][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.155238][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.155298][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.155324][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.155383][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.155409][ T32] r4:84ab5800 [ 1349.155436][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.155509][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.155541][ T32] r4:00000001 [ 1349.155563][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.155604][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.155640][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.155674][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.155704][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.155737][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.155762][ T32] r4:84ab0640 [ 1349.155798][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.155878][ T32] INFO: task kworker/0:259:5764 blocked for more than 475 seconds. [ 1349.155916][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.155943][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.155967][ T32] task:kworker/0:259 state:D stack:0 pid:5764 tgid:5764 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.156074][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.156171][ T32] Call trace: [ 1349.156215][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.156269][ T32] r10:8291a684 r9:ec769d84 r8:00000002 r7:60000113 r6:ec769d8c r5:857d6c00 [ 1349.156296][ T32] r4:857d6c00 [ 1349.156319][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.156443][ T32] r5:857d6c00 r4:8291a680 [ 1349.156472][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.156603][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.156661][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec769e08 [ 1349.156686][ T32] r4:00000000 [ 1349.156766][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.156822][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.156861][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.156998][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8573fdc0 [ 1349.157043][ T32] r4:00000000 [ 1349.157072][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.157199][ T32] r9:83018005 r8:857d6c00 r7:00000000 r6:83018000 r5:00001000 r4:7f117000 [ 1349.157229][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.157278][ T32] r5:00001000 r4:ec6e5000 [ 1349.157300][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.157372][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.157427][ T32] r5:852c378c r4:852c3400 [ 1349.157451][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.157504][ T32] r7:dddced80 r6:83018000 r5:852c378c r4:85061780 [ 1349.157559][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.157620][ T32] r10:61c88647 r9:857d6c00 r8:850617ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.157645][ T32] r4:85061780 [ 1349.157666][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.157717][ T32] r10:00000000 r9:85061780 r8:80287e08 r7:ec765e60 r6:85061800 r5:857d6c00 [ 1349.157770][ T32] r4:00000001 [ 1349.157824][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.157870][ T32] Exception stack(0xec769fb0 to 0xec769ff8) [ 1349.157927][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.157964][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.157996][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.158028][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.158053][ T32] r4:8573fb00 [ 1349.158342][ T32] INFO: task kworker/0:259:5764 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.158388][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.158464][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.158583][ T32] Call trace: [ 1349.158670][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.158729][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.158756][ T32] r4:00000000 [ 1349.158821][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.158881][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.158914][ T32] dd20: d37aa000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.159027][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.159061][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.159088][ T32] r5:800d0013 r4:80239bb0 ** 1 printk messages dropped ** [ 1349.159157][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1349.183950][ T32] r4:e044ddc0 ** 1 printk messages dropped ** [ 1349.184053][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.184078][ T32] r4:00000000 [ 1349.184122][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.184237][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.184266][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.184316][ T32] r5:00001000 r4:ed353000 [ 1349.184337][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.184450][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.184532][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.184561][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.184616][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.184640][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.184689][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.184713][ T32] r4:84ab5800 [ 1349.184733][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.184782][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.184958][ T32] r4:00000001 [ 1349.184986][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.185100][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.185138][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.185170][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.185224][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.185262][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.185314][ T32] r4:84ab0640 [ 1349.185343][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.185416][ T32] INFO: task kworker/0:260:5765 blocked for more than 475 seconds. [ 1349.185485][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.185597][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.185626][ T32] task:kworker/0:260 state:D stack:0 pid:5765 tgid:5765 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.185689][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.185760][ T32] Call trace: [ 1349.185816][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.185876][ T32] r10:8291a684 r9:ec76dd84 r8:00000002 r7:60000013 r6:ec76dd8c r5:85038000 [ 1349.185902][ T32] r4:85038000 [ 1349.186020][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.186073][ T32] r5:85038000 r4:8291a680 [ 1349.186095][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.186137][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.186181][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec76de08 [ 1349.186231][ T32] r4:00000000 [ 1349.186256][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.186294][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.186331][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.186382][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dc780 [ 1349.186431][ T32] r4:00000000 [ 1349.186459][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.186509][ T32] r9:83018005 r8:85038000 r7:00000000 r6:83018000 r5:00001000 r4:7f11d000 [ 1349.186533][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.186721][ T32] r5:00001000 r4:ec77d000 [ 1349.186747][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.186790][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.186834][ T32] r5:852c3f8c r4:852c3c00 [ 1349.186855][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.186902][ T32] r7:dddced80 r6:83018000 r5:852c3f8c r4:85061880 [ 1349.186923][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.186971][ T32] r10:61c88647 r9:85038000 r8:850618ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.186994][ T32] r4:85061880 [ 1349.187032][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.187084][ T32] r10:00000000 r9:85061880 r8:80287e08 r7:ec769e60 r6:85061900 r5:85038000 [ 1349.187177][ T32] r4:00000001 [ 1349.187201][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.187245][ T32] Exception stack(0xec76dfb0 to 0xec76dff8) [ 1349.187302][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.187349][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.187415][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.187522][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.187594][ T32] r4:8573fb00 [ 1349.188097][ T32] INFO: task kworker/0:260:5765 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.188209][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.188311][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.188372][ T32] Call trace: [ 1349.188406][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.188566][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.188601][ T32] r4:00000000 [ 1349.188629][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.188675][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.188706][ T32] dd20: d3a81000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.188736][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.188869][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.188909][ T32] r5:800d0013 r4:80239bb0 [ 1349.188933][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.188975][ T32] r4:82ac21e4 [ 1349.188998][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.189043][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.189067][ T32] r4:e044ddc0 [ 1349.189106][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.189155][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.189179][ T32] r4:00000000 [ 1349.189257][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.213780][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.213842][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.213926][ T32] r5:00001000 r4:ed353000 [ 1349.213950][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.213996][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.214068][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.214126][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.214188][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.214214][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.214397][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.214430][ T32] r4:84ab5800 [ 1349.214468][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.214527][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.214582][ T32] r4:00000001 [ 1349.214611][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.214655][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.214690][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.214785][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.214822][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.214856][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.214903][ T32] r4:84ab0640 [ 1349.214946][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.214994][ T32] INFO: task kworker/0:261:5766 blocked for more than 475 seconds. [ 1349.215032][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.215059][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.215084][ T32] task:kworker/0:261 state:D stack:0 pid:5766 tgid:5766 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.215212][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.215322][ T32] Call trace: [ 1349.215374][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.215494][ T32] r10:8291a684 r9:ec73dd84 r8:00000002 r7:60000013 r6:ec73dd8c r5:85038c00 [ 1349.215531][ T32] r4:85038c00 [ 1349.215557][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.215614][ T32] r5:85038c00 r4:8291a680 [ 1349.215641][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.215685][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.215760][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec73de08 [ 1349.215790][ T32] r4:00000000 [ 1349.215812][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.215853][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.215895][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.215940][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8573ff80 [ 1349.215965][ T32] r4:00000000 [ 1349.215986][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.216034][ T32] r9:83018005 r8:85038c00 r7:00000000 r6:83018000 r5:00001000 r4:7f119000 [ 1349.216084][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.216138][ T32] r5:00001000 r4:ec71d000 [ 1349.216161][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.216289][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.216376][ T32] r5:852c3b8c r4:852c3800 [ 1349.216411][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.216465][ T32] r7:dddced80 r6:83018000 r5:852c3b8c r4:85061980 [ 1349.216489][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.216600][ T32] r10:61c88647 r9:85038c00 r8:850619ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.216633][ T32] r4:85061980 [ 1349.216655][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.216734][ T32] r10:00000000 r9:85061980 r8:80287e08 r7:ec76de60 r6:85061a00 r5:85038c00 [ 1349.216765][ T32] r4:00000001 [ 1349.216815][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.216860][ T32] Exception stack(0xec73dfb0 to 0xec73dff8) [ 1349.216890][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.216922][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.216955][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.216995][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.217022][ T32] r4:8573fec0 [ 1349.217521][ T32] INFO: task kworker/0:261:5766 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.217563][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.217740][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.217798][ T32] Call trace: [ 1349.217831][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.217918][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.217979][ T32] r4:00000000 [ 1349.218005][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.218053][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.218087][ T32] dd20: d3dd0000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.218119][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.218175][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.218207][ T32] r5:800d0013 r4:80239bb0 [ 1349.218258][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.218340][ T32] r4:82ac21e4 [ 1349.218384][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.218465][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.218495][ T32] r4:e044ddc0 [ 1349.218519][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.218597][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.218631][ T32] r4:00000000 [ 1349.218654][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.218707][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.218731][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.218777][ T32] r5:00001000 r4:ed353000 [ 1349.218800][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.218844][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.218891][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.218942][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.219003][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.219069][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.219128][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.219154][ T32] r4:84ab5800 [ 1349.219176][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.219226][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.219346][ T32] r4:00000001 [ 1349.226600][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.226695][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.226735][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.226800][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.226842][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.226881][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.226908][ T32] r4:84ab0640 [ 1349.226934][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.227023][ T32] INFO: task kworker/0:262:5769 blocked for more than 475 seconds. [ 1349.227105][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.227138][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.227191][ T32] task:kworker/0:262 state:D stack:0 pid:5769 tgid:5769 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.227271][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.227357][ T32] Call trace: [ 1349.227437][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.227501][ T32] r10:8291a684 r9:ec78dd84 r8:00000002 r7:60000113 r6:ec78dd8c r5:8503a400 [ 1349.227528][ T32] r4:8503a400 [ 1349.227565][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.227618][ T32] r5:8503a400 r4:8291a680 [ 1349.227643][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.227686][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.227755][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec78de08 [ 1349.227784][ T32] r4:00000000 [ 1349.227806][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.227847][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.227894][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.227971][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85080a80 [ 1349.228001][ T32] r4:00000000 [ 1349.228024][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.228091][ T32] r9:83018005 r8:8503a400 r7:00000000 r6:83018000 r5:00001000 r4:7f127000 [ 1349.228121][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.228170][ T32] r5:00001000 r4:ec7b9000 [ 1349.228193][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.228236][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.228282][ T32] r5:8525d38c r4:8525d000 [ 1349.228323][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.228393][ T32] r7:dddced80 r6:83018000 r5:8525d38c r4:85061a80 [ 1349.228421][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.228526][ T32] r10:61c88647 r9:8503a400 r8:85061aac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.228582][ T32] r4:85061a80 [ 1349.228608][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.228667][ T32] r10:00000000 r9:85061a80 r8:80287e08 r7:ec76de60 r6:85061b00 r5:8503a400 [ 1349.228720][ T32] r4:00000001 [ 1349.228748][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.228789][ T32] Exception stack(0xec78dfb0 to 0xec78dff8) [ 1349.228826][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.228861][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.228890][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.228921][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.228945][ T32] r4:8573ff00 [ 1349.243105][ T32] INFO: task kworker/0:262:5769 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.243244][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.243334][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.243417][ T32] Call trace: [ 1349.243522][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.243596][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.243643][ T32] r4:00000000 [ 1349.243674][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.243787][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.243826][ T32] dd20: d3f46000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.243859][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.243889][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.243921][ T32] r5:800d0013 r4:80239bb0 [ 1349.243946][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.243994][ T32] r4:82ac21e4 [ 1349.244073][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.244129][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.244182][ T32] r4:e044ddc0 [ 1349.244210][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.244259][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.244284][ T32] r4:00000000 [ 1349.244306][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.244357][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.244418][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.244560][ T32] r5:00001000 r4:ed353000 [ 1349.244592][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.244642][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.244691][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.244714][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.244766][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.244789][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.244841][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.244867][ T32] r4:84ab5800 [ 1349.244890][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.244941][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.244999][ T32] r4:00000001 [ 1349.245083][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.245128][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.245158][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.245190][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.245222][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.245254][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.245364][ T32] r4:84ab0640 [ 1349.245403][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.245451][ T32] INFO: task kworker/0:263:5771 blocked for more than 475 seconds. [ 1349.245490][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.245517][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.245540][ T32] task:kworker/0:263 state:D stack:0 pid:5771 tgid:5771 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.245610][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.245746][ T32] Call trace: [ 1349.245788][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 1 printk messages dropped ** [ 1349.245870][ T32] r4:8503b000 ** 4 printk messages dropped ** [ 1349.246161][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec799e08 ** 3 printk messages dropped ** [ 1349.246385][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1349.246553][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1349.246686][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1349.246824][ T32] r7:dddced80 r6:83018000 r5:8525c38c r4:85061b80 ** 1 printk messages dropped ** [ 1349.246951][ T32] r10:61c88647 r9:8503b000 r8:85061bac r7:82804d40 r6:dddced80 r5:dddceda0 ** 3 printk messages dropped ** [ 1349.247108][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1349.247281][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1349.247378][ T32] r4:85080080 ** 2 printk messages dropped ** [ 1349.247919][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1349.248079][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 2 printk messages dropped ** [ 1349.248177][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.248208][ T32] dd20: d3f46000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.248268][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.248302][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.248349][ T32] r5:800d0013 r4:80239bb0 [ 1349.248387][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.248434][ T32] r4:82ac21e4 [ 1349.248473][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.248544][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.248570][ T32] r4:e044ddc0 [ 1349.248592][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.248647][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.248674][ T32] r4:00000000 [ 1349.248696][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.248764][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.248795][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.248844][ T32] r5:00001000 r4:ed353000 [ 1349.248914][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.248966][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.249030][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.249057][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.249109][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.249139][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.249192][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.249280][ T32] r4:84ab5800 [ 1349.265436][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.265584][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.265621][ T32] r4:00000001 [ 1349.265645][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.265691][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.265727][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.265759][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.265789][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.265823][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.265877][ T32] r4:84ab0640 [ 1349.265909][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.265973][ T32] INFO: task kworker/0:264:5774 blocked for more than 475 seconds. [ 1349.266016][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.266080][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.266117][ T32] task:kworker/0:264 state:D stack:0 pid:5774 tgid:5774 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.266221][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.266342][ T32] Call trace: [ 1349.266390][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.266451][ T32] r10:8291a684 r9:ec7a9d84 r8:00000002 r7:60000113 r6:ec7a9d8c r5:8503c800 [ 1349.266478][ T32] r4:8503c800 [ 1349.266544][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.266599][ T32] r5:8503c800 r4:8291a680 [ 1349.266641][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.266690][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.266738][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7a9e08 [ 1349.266765][ T32] r4:00000000 [ 1349.266787][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.266840][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.266920][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.266972][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85080480 [ 1349.267026][ T32] r4:00000000 [ 1349.267053][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.267112][ T32] r9:83018005 r8:8503c800 r7:00000000 r6:83018000 r5:00001000 r4:7f121000 [ 1349.267182][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.267234][ T32] r5:00001000 r4:ec795000 [ 1349.267257][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.267359][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.267419][ T32] r5:8525c78c r4:8525c400 [ 1349.267444][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.267496][ T32] r7:dddced80 r6:83018000 r5:8525c78c r4:85061c80 [ 1349.267520][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.267588][ T32] r10:61c88647 r9:8503c800 r8:85061cac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.267615][ T32] r4:85061c80 [ 1349.267792][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.267904][ T32] r10:00000000 r9:85061c80 r8:80287e08 r7:ec78de60 r6:85061d00 r5:8503c800 [ 1349.267934][ T32] r4:00000001 [ 1349.267957][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.268020][ T32] Exception stack(0xec7a9fb0 to 0xec7a9ff8) [ 1349.268068][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.268108][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.268141][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.268173][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.268213][ T32] r4:85080300 [ 1349.268696][ T32] INFO: task kworker/0:264:5774 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.268758][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.268859][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.269004][ T32] Call trace: [ 1349.269070][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.269130][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.269181][ T32] r4:00000000 [ 1349.269208][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.269356][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.279958][ T32] dd20: d426c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.280040][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.280087][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.280150][ T32] r5:800d0013 r4:80239bb0 [ 1349.280259][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.280356][ T32] r4:82ac21e4 [ 1349.280390][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.280439][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.280484][ T32] r4:e044ddc0 [ 1349.280562][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.280644][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.280673][ T32] r4:00000000 [ 1349.280839][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.280897][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.280923][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.280971][ T32] r5:00001000 r4:ed353000 [ 1349.280993][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.281036][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.281083][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.281120][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.281188][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.281282][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.281343][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.281420][ T32] r4:84ab5800 [ 1349.281447][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.281498][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.281523][ T32] r4:00000001 [ 1349.281544][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.281588][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.281619][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.281649][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.281678][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.281737][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.281768][ T32] r4:84ab0640 [ 1349.281935][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.281972][ T32] INFO: task kworker/0:265:5776 blocked for more than 475 seconds. [ 1349.282085][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.282115][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.282192][ T32] task:kworker/0:265 state:D stack:0 pid:5776 tgid:5776 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.282314][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.282374][ T32] Call trace: [ 1349.282413][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.282469][ T32] r10:8291a684 r9:ec7bdd84 r8:00000002 r7:60000013 r6:ec7bdd8c r5:85039800 [ 1349.282493][ T32] r4:85039800 [ 1349.282515][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.282611][ T32] r5:85039800 r4:8291a680 [ 1349.282637][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.282684][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.282730][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7bde08 [ 1349.282755][ T32] r4:00000000 [ 1349.282775][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.282812][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.282847][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.282895][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85080680 [ 1349.282942][ T32] r4:00000000 [ 1349.282967][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.283015][ T32] r9:83018005 r8:85039800 r7:00000000 r6:83018000 r5:00001000 r4:7f123000 [ 1349.283038][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.283097][ T32] r5:00001000 r4:ec7a5000 [ 1349.283146][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.283192][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.283239][ T32] r5:8525cb8c r4:8525c800 [ 1349.283261][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.283313][ T32] r7:dddced80 r6:83018000 r5:8525cb8c r4:85061d80 [ 1349.283336][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.283404][ T32] r10:61c88647 r9:85039800 r8:85061dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.283434][ T32] r4:85061d80 [ 1349.283495][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.283548][ T32] r10:00000000 r9:85061d80 r8:80287e08 r7:ec78de60 r6:85061e00 r5:85039800 [ 1349.283571][ T32] r4:00000001 [ 1349.283605][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.283646][ T32] Exception stack(0xec7bdfb0 to 0xec7bdff8) [ 1349.283675][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.283704][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.283731][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.283761][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.283811][ T32] r4:85080500 [ 1349.284216][ T32] INFO: task kworker/0:265:5776 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.284253][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.284342][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.284432][ T32] Call trace: [ 1349.284493][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.284571][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.284595][ T32] r4:00000000 [ 1349.284644][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.284690][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.284746][ T32] dd20: d426c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.284779][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.284824][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.284863][ T32] r5:800d0013 r4:80239bb0 [ 1349.284889][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.284932][ T32] r4:82ac21e4 [ 1349.284966][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.285042][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.285071][ T32] r4:e044ddc0 [ 1349.285092][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.285137][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.285160][ T32] r4:00000000 [ 1349.285179][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.285226][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.285271][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.285319][ T32] r5:00001000 r4:ed353000 [ 1349.285342][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.285396][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.285439][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.285459][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.285508][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.285531][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.285578][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.285601][ T32] r4:84ab5800 [ 1349.285620][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.285664][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.285687][ T32] r4:00000001 [ 1349.285708][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.285758][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.285790][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.285819][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.285870][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.285905][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.285944][ T32] r4:84ab0640 [ 1349.285968][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.285995][ T32] INFO: task kworker/0:266:5778 blocked for more than 475 seconds. [ 1349.286025][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.286049][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.286094][ T32] task:kworker/0:266 state:D stack:0 pid:5778 tgid:5778 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1349.286324][ T32] r10:8291a684 r9:ec7c1d84 r8:00000002 r7:60000013 r6:ec7c1d8c r5:8503bc00 ** 8 printk messages dropped ** [ 1349.286601][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1349.287020][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.287066][ T32] r5:8525cf8c r4:8525cc00 [ 1349.287086][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1349.287223][ T32] r4:85061e80 ** 2 printk messages dropped ** [ 1349.287308][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1349.287538][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 4 printk messages dropped ** [ 1349.287992][ T32] Call trace: ** 5 printk messages dropped ** [ 1349.288287][ T32] dd20: d426c000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 9 printk messages dropped ** [ 1349.288765][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1349.289238][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 6 printk messages dropped ** [ 1349.323629][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1349.324038][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 8 printk messages dropped ** [ 1349.324495][ T32] r5:8503d400 r4:8291a680 ** 2 printk messages dropped ** [ 1349.324636][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7cde08 ** 9 printk messages dropped ** [ 1349.325044][ T32] r5:00001000 r4:ec7c9000 ** 1 printk messages dropped ** [ 1349.325117][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.325164][ T32] r5:8525d78c r4:8525d400 [ 1349.325214][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.325268][ T32] r7:dddced80 r6:83018000 r5:8525d78c r4:85061f80 [ 1349.325327][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.325385][ T32] r10:61c88647 r9:8503d400 r8:85061fac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.325410][ T32] r4:85061f80 [ 1349.325450][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.325503][ T32] r10:00000000 r9:85061f80 r8:80287e08 r7:ec78de60 r6:8573d000 r5:8503d400 [ 1349.325527][ T32] r4:00000001 [ 1349.325550][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.325601][ T32] Exception stack(0xec7cdfb0 to 0xec7cdff8) [ 1349.325657][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.325706][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.325738][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.325770][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.325797][ T32] r4:85080900 [ 1349.326258][ T32] INFO: task kworker/0:267:5780 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.326301][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.326485][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.326543][ T32] Call trace: [ 1349.326624][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.326720][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.326755][ T32] r4:00000000 [ 1349.326790][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.326838][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.326870][ T32] dd20: d47dc000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.326928][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.326960][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.326987][ T32] r5:800d0013 r4:80239bb0 [ 1349.327011][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.327057][ T32] r4:82ac21e4 [ 1349.327122][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.327203][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.327232][ T32] r4:e044ddc0 [ 1349.327254][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.327330][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.327361][ T32] r4:00000000 [ 1349.327399][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.327456][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.327480][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.327530][ T32] r5:00001000 r4:ed353000 [ 1349.327552][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.327596][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.327640][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.327662][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.327797][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.327826][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.327879][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.327904][ T32] r4:84ab5800 [ 1349.327953][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.328008][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.328034][ T32] r4:00000001 [ 1349.328054][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.328093][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.328121][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.328179][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.328214][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.328246][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.328271][ T32] r4:84ab0640 [ 1349.328318][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.328359][ T32] INFO: task kworker/0:268:5781 blocked for more than 475 seconds. [ 1349.328420][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.328452][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.328476][ T32] task:kworker/0:268 state:D stack:0 pid:5781 tgid:5781 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.328571][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.328707][ T32] Call trace: [ 1349.328751][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.328806][ T32] r10:8291a684 r9:ec7d1d84 r8:00000002 r7:60000113 r6:ec7d1d8c r5:8503ec00 [ 1349.328831][ T32] r4:8503ec00 [ 1349.328854][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.328901][ T32] r5:8503ec00 r4:8291a680 [ 1349.328922][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.328963][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 1 printk messages dropped ** [ 1349.329067][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1349.329288][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1349.338112][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1349.338396][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1349.338780][ T32] r10:00000000 r9:8573d080 r8:80287e08 r7:ec7cde60 r6:8573d100 r5:8503ec00 ** 4 printk messages dropped ** [ 1349.339037][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1349.350459][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1349.350920][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 2 printk messages dropped ** [ 1349.351129][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 2 printk messages dropped ** [ 1349.351295][ T32] r4:82ac21e4 [ 1349.351330][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.351442][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.351479][ T32] r4:e044ddc0 [ 1349.351504][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.351555][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.351642][ T32] r4:00000000 [ 1349.351725][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.351844][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.351945][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.352002][ T32] r5:00001000 r4:ed353000 [ 1349.352033][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.352082][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.352130][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.352154][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.352207][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.352231][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.352311][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.352347][ T32] r4:84ab5800 [ 1349.352370][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.352423][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.352450][ T32] r4:00000001 [ 1349.352473][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.352535][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.352567][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.352599][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.352658][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.352695][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.352721][ T32] r4:84ab0640 [ 1349.352747][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.352799][ T32] INFO: task kworker/0:269:5784 blocked for more than 475 seconds. [ 1349.352841][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.352872][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.352897][ T32] task:kworker/0:269 state:D stack:0 pid:5784 tgid:5784 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.352971][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.353056][ T32] Call trace: [ 1349.353107][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.353166][ T32] r10:8291a684 r9:ec79dd84 r8:00000002 r7:60000113 r6:ec79dd8c r5:857d8c00 [ 1349.353198][ T32] r4:857d8c00 [ 1349.353223][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.353271][ T32] r5:857d8c00 r4:8291a680 [ 1349.353294][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.353349][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.353400][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec79de08 [ 1349.353427][ T32] r4:00000000 [ 1349.353449][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.353516][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.353559][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.353606][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85088040 [ 1349.353687][ T32] r4:00000000 [ 1349.353713][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.353822][ T32] r9:83018005 r8:857d8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f12f000 [ 1349.353871][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.353929][ T32] r5:00001000 r4:ec7e9000 [ 1349.353953][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.354010][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.354065][ T32] r5:8525e38c r4:8525e000 [ 1349.354087][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.354138][ T32] r7:dddced80 r6:83018000 r5:8525e38c r4:8573d180 [ 1349.354161][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.354271][ T32] r10:61c88647 r9:857d8c00 r8:8573d1ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.354302][ T32] r4:8573d180 [ 1349.354328][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.354398][ T32] r10:00000000 r9:8573d180 r8:80287e08 r7:ec7d1e60 r6:8573d200 r5:857d8c00 [ 1349.354427][ T32] r4:00000001 [ 1349.354448][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.354517][ T32] Exception stack(0xec79dfb0 to 0xec79dff8) [ 1349.354551][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.354611][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.354645][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.354676][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.354701][ T32] r4:85080d00 [ 1349.355000][ T32] INFO: task kworker/0:269:5784 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.355073][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.355139][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.355188][ T32] Call trace: [ 1349.355220][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.355278][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.355324][ T32] r4:00000000 [ 1349.355353][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.355453][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.355490][ T32] dd20: d4992000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.355524][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.355553][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.355607][ T32] r5:800d0013 r4:80239bb0 [ 1349.355668][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.355758][ T32] r4:82ac21e4 [ 1349.355809][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.355894][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.355940][ T32] r4:e044ddc0 [ 1349.355986][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.356059][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.356084][ T32] r4:00000000 [ 1349.356106][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.356181][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.356248][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.356342][ T32] r5:00001000 r4:ed353000 [ 1349.356443][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.356574][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.356698][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.356766][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.356891][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.356924][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.356978][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.357005][ T32] r4:84ab5800 [ 1349.357114][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.357201][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.357249][ T32] r4:00000001 [ 1349.357277][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.357319][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.357359][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.357390][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.357421][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.357506][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.357545][ T32] r4:84ab0640 [ 1349.357593][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.357645][ T32] INFO: task kworker/0:270:5786 blocked for more than 475 seconds. [ 1349.357678][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.357758][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.357785][ T32] task:kworker/0:270 state:D stack:0 pid:5786 tgid:5786 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.357868][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.358005][ T32] Call trace: [ 1349.358087][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.358194][ T32] r10:8291a684 r9:ec771d84 r8:00000002 r7:60000013 r6:ec771d8c r5:857d9800 [ 1349.358250][ T32] r4:857d9800 [ 1349.358329][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.358442][ T32] r5:857d9800 r4:8291a680 [ 1349.358516][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.358612][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.358726][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec771e08 [ 1349.358783][ T32] r4:00000000 [ 1349.358827][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.358913][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.358969][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.359060][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85080fc0 [ 1349.359140][ T32] r4:00000000 [ 1349.359180][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.359247][ T32] r9:83018005 r8:857d9800 r7:00000000 r6:83018000 r5:00001000 r4:7f12d000 [ 1349.359351][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.381938][ T32] r5:00001000 r4:ec7e1000 [ 1349.381993][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.382068][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.382139][ T32] r5:8525df8c r4:8525dc00 [ 1349.382169][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.382222][ T32] r7:dddced80 r6:83018000 r5:8525df8c r4:8573d280 [ 1349.382271][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.382332][ T32] r10:61c88647 r9:857d9800 r8:8573d2ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.382359][ T32] r4:8573d280 [ 1349.382399][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.382453][ T32] r10:00000000 r9:8573d280 r8:80287e08 r7:ec79de60 r6:8573d300 r5:857d9800 [ 1349.382492][ T32] r4:00000001 [ 1349.382518][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.382558][ T32] Exception stack(0xec771fb0 to 0xec771ff8) [ 1349.382591][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.382649][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.382709][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.382771][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.382826][ T32] r4:85080c00 [ 1349.383229][ T32] INFO: task kworker/0:270:5786 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.383269][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.383395][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.383510][ T32] Call trace: [ 1349.383550][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.383608][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.383662][ T32] r4:00000000 [ 1349.383716][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.383762][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.383792][ T32] dd20: d4c1d000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.383875][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.383911][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.383939][ T32] r5:800d0013 r4:80239bb0 [ 1349.383960][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.384058][ T32] r4:82ac21e4 [ 1349.384084][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.384136][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.384190][ T32] r4:e044ddc0 [ 1349.384294][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.384349][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.384396][ T32] r4:00000000 [ 1349.384447][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.384520][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.384546][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.384594][ T32] r5:00001000 r4:ed353000 [ 1349.384617][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.384661][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.384705][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.384726][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.384776][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.384799][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.384847][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.384897][ T32] r4:84ab5800 [ 1349.384949][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.385003][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.385026][ T32] r4:00000001 [ 1349.385047][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.385083][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.385111][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.385140][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.385167][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.385196][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.385219][ T32] r4:84ab0640 [ 1349.385266][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.385302][ T32] INFO: task kworker/0:271:5789 blocked for more than 475 seconds. [ 1349.385343][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.385376][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.385400][ T32] task:kworker/0:271 state:D stack:0 pid:5789 tgid:5789 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.385500][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.385549][ T32] Call trace: [ 1349.385587][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.385639][ T32] r10:8291a684 r9:ec781d84 r8:00000002 r7:60000013 r6:ec781d8c r5:857da400 [ 1349.385663][ T32] r4:857da400 [ 1349.385684][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.385743][ T32] r5:857da400 r4:8291a680 [ 1349.385768][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.385834][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.385888][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec781e08 [ 1349.385944][ T32] r4:00000000 [ 1349.385968][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.386008][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.386047][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.386088][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85088280 [ 1349.386129][ T32] r4:00000000 [ 1349.386154][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.386253][ T32] r9:83018005 r8:857da400 r7:00000000 r6:83018000 r5:00001000 r4:7f131000 [ 1349.386281][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.386333][ T32] r5:00001000 r4:ec7f1000 [ 1349.386355][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.386397][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.386465][ T32] r5:8525e78c r4:8525e400 [ 1349.386517][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.386570][ T32] r7:dddced80 r6:83018000 r5:8525e78c r4:8573d380 [ 1349.386602][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.386652][ T32] r10:61c88647 r9:857da400 r8:8573d3ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.386681][ T32] r4:8573d380 [ 1349.386701][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.386776][ T32] r10:00000000 r9:8573d380 r8:80287e08 r7:ec79de60 r6:8573d400 r5:857da400 [ 1349.386804][ T32] r4:00000001 [ 1349.386824][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.386886][ T32] Exception stack(0xec781fb0 to 0xec781ff8) [ 1349.386944][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.387012][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.387065][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.387101][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.387125][ T32] r4:850881c0 [ 1349.387369][ T32] INFO: task kworker/0:271:5789 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.387405][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.387462][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.387565][ T32] Call trace: [ 1349.387650][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.387728][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.387772][ T32] r4:00000000 [ 1349.387796][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.387869][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.387904][ T32] dd20: d4c1d000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.387935][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.387961][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.388037][ T32] r5:800d0013 r4:80239bb0 [ 1349.388063][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.388132][ T32] r4:82ac21e4 [ 1349.388158][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.388205][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.388256][ T32] r4:e044ddc0 [ 1349.388280][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.388355][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.388396][ T32] r4:00000000 [ 1349.388421][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.388494][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.388543][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.388589][ T32] r5:00001000 r4:ed353000 [ 1349.388617][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.388662][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.388729][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.388753][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.388855][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.388886][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.388938][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.388962][ T32] r4:84ab5800 [ 1349.389036][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.389088][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.389112][ T32] r4:00000001 [ 1349.389131][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.389194][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.389226][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.389256][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.408008][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.408129][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.408210][ T32] r4:84ab0640 [ 1349.408245][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.408280][ T32] INFO: task kworker/0:272:5790 blocked for more than 475 seconds. [ 1349.408317][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.408410][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.408440][ T32] task:kworker/0:272 state:D stack:0 pid:5790 tgid:5790 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.408522][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.408596][ T32] Call trace: [ 1349.408634][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.408692][ T32] r10:8291a684 r9:ec7f5d84 r8:00000002 r7:60000113 r6:ec7f5d8c r5:857db000 [ 1349.408715][ T32] r4:857db000 [ 1349.408736][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.408779][ T32] r5:857db000 r4:8291a680 [ 1349.408800][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.408839][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.408882][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7f5e08 [ 1349.408906][ T32] r4:00000000 [ 1349.408925][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.408960][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.408998][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.409056][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850885c0 [ 1349.409084][ T32] r4:00000000 [ 1349.409105][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.409154][ T32] r9:83018005 r8:857db000 r7:00000000 r6:83018000 r5:00001000 r4:7f135000 [ 1349.409203][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.409310][ T32] r5:00001000 r4:ec809000 [ 1349.410101][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.410200][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.410279][ T32] r5:8525ef8c r4:8525ec00 [ 1349.410308][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.410425][ T32] r7:dddced80 r6:83018000 r5:8525ef8c r4:8573d480 [ 1349.410540][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.410596][ T32] r10:61c88647 r9:857db000 r8:8573d4ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.410620][ T32] r4:8573d480 [ 1349.410641][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.410689][ T32] r10:00000000 r9:8573d480 r8:80287e08 r7:ec781e60 r6:8573d500 r5:857db000 [ 1349.410712][ T32] r4:00000001 [ 1349.410732][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.410798][ T32] Exception stack(0xec7f5fb0 to 0xec7f5ff8) [ 1349.410880][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.410921][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.410952][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.410983][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.411006][ T32] r4:85088100 [ 1349.411421][ T32] INFO: task kworker/0:272:5790 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.411461][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.411531][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.411581][ T32] Call trace: [ 1349.411624][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.411683][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.411708][ T32] r4:00000000 [ 1349.411729][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.411770][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.411799][ T32] dd20: d4ff4000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.411830][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.411883][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.411940][ T32] r5:800d0013 r4:80239bb0 [ 1349.411965][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.412012][ T32] r4:82ac21e4 [ 1349.412036][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.412080][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.412104][ T32] r4:e044ddc0 [ 1349.412139][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.412227][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.412278][ T32] r4:00000000 [ 1349.412336][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.412465][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.412547][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.412650][ T32] r5:00001000 r4:ed353000 [ 1349.412696][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.412777][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.412885][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.412949][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.413085][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.413143][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.413246][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.413302][ T32] r4:84ab5800 [ 1349.413359][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 4 printk messages dropped ** [ 1349.413758][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1349.414225][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1349.414536][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1349.414947][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1349.415192][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1349.415394][ T32] r7:dddced80 r6:83018000 r5:8525eb8c r4:8573d580 ** 1 printk messages dropped ** [ 1349.415495][ T32] r10:61c88647 r9:857dbc00 r8:8573d5ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 3 printk messages dropped ** [ 1349.415669][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1349.415789][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1349.415844][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.415868][ T32] r4:85088340 [ 1349.416134][ T32] INFO: task kworker/0:273:5793 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.416201][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.416292][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.416364][ T32] Call trace: [ 1349.416399][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.416453][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.416554][ T32] r4:00000000 [ 1349.416589][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.416634][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.416663][ T32] dd20: d4ff4000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.416693][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.416725][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.416754][ T32] r5:800d0013 r4:80239bb0 [ 1349.416777][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.416818][ T32] r4:82ac21e4 [ 1349.416839][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.416883][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.416907][ T32] r4:e044ddc0 [ 1349.416927][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.416969][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.416998][ T32] r4:00000000 [ 1349.417039][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.417123][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.417170][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.417223][ T32] r5:00001000 r4:ed353000 [ 1349.417257][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.417331][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.417384][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.417407][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.417464][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.417520][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.417603][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.417633][ T32] r4:84ab5800 [ 1349.417681][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.417739][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.417766][ T32] r4:00000001 [ 1349.417789][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.417828][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.417870][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.417927][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.417977][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.418030][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.418063][ T32] r4:84ab0640 [ 1349.418085][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.418111][ T32] INFO: task kworker/0:274:5795 blocked for more than 475 seconds. [ 1349.418140][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.418180][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.418235][ T32] task:kworker/0:274 state:D stack:0 pid:5795 tgid:5795 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.418457][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.418532][ T32] Call trace: [ 1349.418621][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.418726][ T32] r10:8291a684 r9:ec80dd84 r8:00000002 r7:60000113 r6:ec80dd8c r5:857dc800 [ 1349.418777][ T32] r4:857dc800 [ 1349.418822][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.418913][ T32] r5:857dc800 r4:8291a680 [ 1349.418955][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.419075][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.419169][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec80de08 [ 1349.419215][ T32] r4:00000000 [ 1349.419332][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.450517][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.450709][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.450817][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85088700 [ 1349.450873][ T32] r4:00000000 [ 1349.450919][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.451025][ T32] r9:83018005 r8:857dc800 r7:00000000 r6:83018000 r5:00001000 r4:7f137000 [ 1349.451074][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.451187][ T32] r5:00001000 r4:ec815000 [ 1349.451237][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.451323][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.451434][ T32] r5:8525f38c r4:8525f000 [ 1349.451484][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.451583][ T32] r7:dddced80 r6:83018000 r5:8525f38c r4:8573d680 [ 1349.451632][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.451740][ T32] r10:61c88647 r9:857dc800 r8:8573d6ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.451769][ T32] r4:8573d680 [ 1349.451797][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.451909][ T32] r10:00000000 r9:8573d680 r8:80287e08 r7:ec7f5e60 r6:8573d700 r5:857dc800 [ 1349.451961][ T32] r4:00000001 [ 1349.452006][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.452094][ T32] Exception stack(0xec80dfb0 to 0xec80dff8) [ 1349.452140][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.452174][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.452244][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.452404][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.452463][ T32] r4:85088780 [ 1349.453141][ T32] INFO: task kworker/0:274:5795 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.453229][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.453394][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.453552][ T32] Call trace: [ 1349.453652][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.453816][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.453907][ T32] r4:00000000 [ 1349.453970][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.454063][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.454126][ T32] dd20: d53b0000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.454189][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.454250][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.454328][ T32] r5:800d0013 r4:80239bb0 [ 1349.454381][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.454430][ T32] r4:82ac21e4 [ 1349.454453][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.454498][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.454550][ T32] r4:e044ddc0 [ 1349.454636][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.454756][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.454808][ T32] r4:00000000 [ 1349.454852][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.454945][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.454991][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.455089][ T32] r5:00001000 r4:ed353000 [ 1349.455135][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.455225][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.455321][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.455382][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.455480][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.455528][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.455643][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.455699][ T32] r4:84ab5800 [ 1349.455741][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.455886][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.456051][ T32] r4:00000001 [ 1349.456081][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.456123][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.456179][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.456269][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.456329][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.456390][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.456428][ T32] r4:84ab0640 [ 1349.456453][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.456487][ T32] INFO: task kworker/0:275:5796 blocked for more than 475 seconds. [ 1349.456582][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.456640][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.456667][ T32] task:kworker/0:275 state:D stack:0 pid:5796 tgid:5796 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.456719][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.456874][ T32] Call trace: [ 1349.456921][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.457006][ T32] r10:8291a684 r9:ec819d84 r8:00000002 r7:60000113 r6:ec819d8c r5:857dd400 [ 1349.457034][ T32] r4:857dd400 [ 1349.457057][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.457132][ T32] r5:857dd400 r4:8291a680 [ 1349.457159][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.457202][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.457262][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec819e08 [ 1349.457321][ T32] r4:00000000 [ 1349.457401][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.457505][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.457629][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.457729][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85088840 [ 1349.457758][ T32] r4:00000000 [ 1349.457781][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.457858][ T32] r9:83018005 r8:857dd400 r7:00000000 r6:83018000 r5:00001000 r4:7f139000 [ 1349.457893][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.457994][ T32] r5:00001000 r4:ec821000 [ 1349.458066][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.458151][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.458241][ T32] r5:8525f78c r4:8525f400 [ 1349.458358][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.458489][ T32] r7:dddced80 r6:83018000 r5:8525f78c r4:8573d780 [ 1349.458613][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.458732][ T32] r10:61c88647 r9:857dd400 r8:8573d7ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.458780][ T32] r4:8573d780 [ 1349.458824][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.458925][ T32] r10:00000000 r9:8573d780 r8:80287e08 r7:ec80de60 r6:8573d800 r5:857dd400 [ 1349.458960][ T32] r4:00000001 [ 1349.459004][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.459089][ T32] Exception stack(0xec819fb0 to 0xec819ff8) [ 1349.459146][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.459206][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.459363][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.484264][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.484666][ T32] r4:85088580 [ 1349.485391][ T32] INFO: task kworker/0:275:5796 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.485473][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.485614][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.485733][ T32] Call trace: [ 1349.485804][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.485943][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.485992][ T32] r4:00000000 [ 1349.486036][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.486129][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.486211][ T32] dd20: d55fd000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.486280][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.486336][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.486416][ T32] r5:800d0013 r4:80239bb0 [ 1349.486469][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.486556][ T32] r4:82ac21e4 [ 1349.486602][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.486697][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.486750][ T32] r4:e044ddc0 [ 1349.486800][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.486861][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.486907][ T32] r4:00000000 [ 1349.486958][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.487014][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.487039][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.487134][ T32] r5:00001000 r4:ed353000 [ 1349.487182][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.487265][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.487366][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.487419][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.487532][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.487600][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.487710][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.487761][ T32] r4:84ab5800 [ 1349.487822][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.487928][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.487983][ T32] r4:00000001 [ 1349.488030][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.488070][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.488125][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.488159][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.488189][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.488234][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.488270][ T32] r4:84ab0640 [ 1349.488294][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.488370][ T32] INFO: task kworker/0:276:5799 blocked for more than 475 seconds. [ 1349.488414][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.488442][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.488497][ T32] task:kworker/0:276 state:D stack:0 pid:5799 tgid:5799 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.488614][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.488706][ T32] Call trace: [ 1349.488740][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.488822][ T32] r10:8291a684 r9:ec825d84 r8:00000002 r7:60000013 r6:ec825d8c r5:857de000 [ 1349.488876][ T32] r4:857de000 [ 1349.488946][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.489049][ T32] r5:857de000 r4:8291a680 [ 1349.489093][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.489193][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.505892][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec825e08 [ 1349.506110][ T32] r4:00000000 [ 1349.506190][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.506318][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.506418][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.506520][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85088a40 [ 1349.506574][ T32] r4:00000000 [ 1349.506629][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.506687][ T32] r9:83018005 r8:857de000 r7:00000000 r6:83018000 r5:00001000 r4:7f13b000 [ 1349.506738][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.506798][ T32] r5:00001000 r4:ec82d000 [ 1349.506823][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.506891][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.506989][ T32] r5:8525fb8c r4:8525f800 [ 1349.507035][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.507132][ T32] r7:dddced80 r6:83018000 r5:8525fb8c r4:8573d880 [ 1349.507186][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.507240][ T32] r10:61c88647 r9:857de000 r8:8573d8ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.507271][ T32] r4:8573d880 [ 1349.507319][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.507377][ T32] r10:00000000 r9:8573d880 r8:80287e08 r7:ec819e60 r6:8573d900 r5:857de000 [ 1349.507403][ T32] r4:00000001 [ 1349.507426][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.507523][ T32] Exception stack(0xec825fb0 to 0xec825ff8) [ 1349.507563][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.507594][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.507658][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.507722][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.507773][ T32] r4:850886c0 [ 1349.508254][ T32] INFO: task kworker/0:276:5799 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.508301][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.508552][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.508684][ T32] Call trace: [ 1349.508731][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.508789][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.508840][ T32] r4:00000000 [ 1349.508890][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.508992][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.509070][ T32] dd20: d58a1000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.509141][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.509172][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.509217][ T32] r5:800d0013 r4:80239bb0 [ 1349.509369][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.522885][ T32] r4:82ac21e4 [ 1349.522994][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.523123][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.523163][ T32] r4:e044ddc0 [ 1349.523188][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.523289][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.523322][ T32] r4:00000000 [ 1349.523346][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.523436][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.523466][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.523526][ T32] r5:00001000 r4:ed353000 [ 1349.523549][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.523608][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.523665][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.523690][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.523773][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.523799][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.523905][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.523935][ T32] r4:84ab5800 [ 1349.523974][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.524080][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.524129][ T32] r4:00000001 [ 1349.524172][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.524256][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.524326][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.524407][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.524474][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.524564][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.524615][ T32] r4:84ab0640 [ 1349.524675][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.524741][ T32] INFO: task kworker/0:277:5800 blocked for more than 475 seconds. [ 1349.524783][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.524840][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.524874][ T32] task:kworker/0:277 state:D stack:0 pid:5800 tgid:5800 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.524997][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.525109][ T32] Call trace: [ 1349.525201][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.525286][ T32] r10:8291a684 r9:ec831d84 r8:00000002 r7:60000113 r6:ec831d8c r5:857dec00 [ 1349.525327][ T32] r4:857dec00 [ 1349.525354][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.525437][ T32] r5:857dec00 r4:8291a680 [ 1349.525465][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.525566][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.525624][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec831e08 [ 1349.525682][ T32] r4:00000000 [ 1349.525735][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.525785][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.525849][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.525906][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85088bc0 [ 1349.525963][ T32] r4:00000000 [ 1349.526010][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.526123][ T32] r9:83018005 r8:857dec00 r7:00000000 r6:83018000 r5:00001000 r4:7f13d000 [ 1349.526180][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.526259][ T32] r5:00001000 r4:ec839000 [ 1349.526333][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.526524][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.526604][ T32] r5:8525ff8c r4:8525fc00 [ 1349.526634][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.526716][ T32] r7:dddced80 r6:83018000 r5:8525ff8c r4:8573d980 [ 1349.526767][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.526838][ T32] r10:61c88647 r9:857dec00 r8:8573d9ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.526915][ T32] r4:8573d980 [ 1349.526967][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.527063][ T32] r10:00000000 r9:8573d980 r8:80287e08 r7:ec825e60 r6:8573da00 r5:857dec00 [ 1349.527111][ T32] r4:00000001 [ 1349.527159][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.527252][ T32] Exception stack(0xec831fb0 to 0xec831ff8) [ 1349.527286][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.527344][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.527396][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.527433][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.527459][ T32] r4:850888c0 [ 1349.528062][ T32] INFO: task kworker/0:277:5800 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.528157][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.528279][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.528422][ T32] Call trace: [ 1349.528607][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.528726][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.528796][ T32] r4:00000000 [ 1349.528862][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.529016][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.529054][ T32] dd20: d5b13000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.529113][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.529188][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.545584][ T32] r5:800d0013 r4:80239bb0 [ 1349.545753][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.545849][ T32] r4:82ac21e4 [ 1349.545874][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.545929][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.545960][ T32] r4:e044ddc0 [ 1349.545984][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.546031][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.546055][ T32] r4:00000000 [ 1349.546076][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.546126][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.546150][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.546226][ T32] r5:00001000 r4:ed353000 [ 1349.546259][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.546306][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.546353][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.546403][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.546462][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.546488][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.546539][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.546569][ T32] r4:84ab5800 [ 1349.546593][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.546684][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.546715][ T32] r4:00000001 [ 1349.546742][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.546785][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.546823][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.546886][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.546920][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.546953][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.546977][ T32] r4:84ab0640 [ 1349.547004][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.547041][ T32] INFO: task kworker/0:278:5803 blocked for more than 475 seconds. [ 1349.547081][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.547109][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.547134][ T32] task:kworker/0:278 state:D stack:0 pid:5803 tgid:5803 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.547239][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.547291][ T32] Call trace: [ 1349.547327][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.547480][ T32] r10:8291a684 r9:ec83dd84 r8:00000002 r7:60000013 r6:ec83dd8c r5:857d8000 [ 1349.547517][ T32] r4:857d8000 [ 1349.547570][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.547623][ T32] r5:857d8000 r4:8291a680 [ 1349.547646][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.547689][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.547767][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec83de08 [ 1349.547797][ T32] r4:00000000 [ 1349.547847][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.547892][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.547931][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.547974][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850889c0 [ 1349.547999][ T32] r4:00000000 [ 1349.548023][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.548100][ T32] r9:83018005 r8:857d8000 r7:00000000 r6:83018000 r5:00001000 r4:7f141000 [ 1349.548133][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.548184][ T32] r5:00001000 r4:ec851000 [ 1349.548234][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.548282][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.548328][ T32] r5:8527078c r4:85270400 [ 1349.548351][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.548413][ T32] r7:dddced80 r6:83018000 r5:8527078c r4:8573da80 [ 1349.548437][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.548488][ T32] r10:61c88647 r9:857d8000 r8:8573daac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.548555][ T32] r4:8573da80 [ 1349.548588][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.548640][ T32] r10:00000000 r9:8573da80 r8:80287e08 r7:ec831e60 r6:8573db00 r5:857d8000 [ 1349.548723][ T32] r4:00000001 [ 1349.548749][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.548844][ T32] Exception stack(0xec83dfb0 to 0xec83dff8) [ 1349.548877][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.548909][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.548940][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.548973][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.549051][ T32] r4:850889c0 [ 1349.568407][ T32] INFO: task kworker/0:278:5803 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.568588][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.568707][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.568815][ T32] Call trace: [ 1349.568931][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.569083][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.569137][ T32] r4:00000000 [ 1349.569167][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.569276][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.569751][ T32] dd20: d5ec6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.569797][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.569834][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.569866][ T32] r5:800d0013 r4:80239bb0 [ 1349.569890][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.569978][ T32] r4:82ac21e4 [ 1349.570045][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.570139][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.570212][ T32] r4:e044ddc0 [ 1349.570263][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.570339][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.570383][ T32] r4:00000000 [ 1349.570405][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.570485][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.570512][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.570615][ T32] r5:00001000 r4:ed353000 [ 1349.570680][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.570735][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.570809][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.570872][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.570984][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.571032][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.571135][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.571204][ T32] r4:84ab5800 [ 1349.571269][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.571379][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.571414][ T32] r4:00000001 [ 1349.571436][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.571475][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.571504][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.571534][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.571561][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.571619][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.571673][ T32] r4:84ab0640 [ 1349.571729][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.571812][ T32] INFO: task kworker/0:279:5804 blocked for more than 475 seconds. [ 1349.571891][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.571960][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.572017][ T32] task:kworker/0:279 state:D stack:0 pid:5804 tgid:5804 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.572114][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.572166][ T32] Call trace: [ 1349.572233][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.572405][ T32] r10:8291a684 r9:ec849d84 r8:00000002 r7:60000013 r6:ec849d8c r5:8503e000 [ 1349.572481][ T32] r4:8503e000 [ 1349.572558][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.572667][ T32] r5:8503e000 r4:8291a680 [ 1349.572727][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.572832][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.572895][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec849e08 [ 1349.572919][ T32] r4:00000000 [ 1349.572940][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.572976][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.573011][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.573067][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85088d40 [ 1349.573112][ T32] r4:00000000 [ 1349.573136][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.573210][ T32] r9:83018005 r8:8503e000 r7:00000000 r6:83018000 r5:00001000 r4:7f13f000 [ 1349.573237][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.573281][ T32] r5:00001000 r4:ec845000 [ 1349.573301][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.573373][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.573428][ T32] r5:8527038c r4:85270000 [ 1349.573496][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.573561][ T32] r7:dddced80 r6:83018000 r5:8527038c r4:8573db80 [ 1349.573618][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.573735][ T32] r10:61c88647 r9:8503e000 r8:8573dbac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.573791][ T32] r4:8573db80 [ 1349.573832][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.573923][ T32] r10:00000000 r9:8573db80 r8:80287e08 r7:ec83de60 r6:8573dc00 r5:8503e000 [ 1349.573988][ T32] r4:00000001 [ 1349.574039][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.574115][ T32] Exception stack(0xec849fb0 to 0xec849ff8) [ 1349.574171][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.574240][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.574276][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.574306][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.574400][ T32] r4:85088b40 [ 1349.574900][ T32] INFO: task kworker/0:279:5804 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.574944][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.575058][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.575147][ T32] Call trace: [ 1349.575197][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.575306][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.575378][ T32] r4:00000000 [ 1349.575432][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.575542][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.575608][ T32] dd20: d5ec6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.575663][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.575707][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.575736][ T32] r5:800d0013 r4:80239bb0 [ 1349.575784][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.575860][ T32] r4:82ac21e4 [ 1349.575903][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.575991][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.576021][ T32] r4:e044ddc0 [ 1349.576043][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.576129][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.576160][ T32] r4:00000000 [ 1349.576181][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.576229][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.576278][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.576331][ T32] r5:00001000 r4:ed353000 [ 1349.576356][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.576436][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.576486][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.576569][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.576640][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.576664][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.576715][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.576739][ T32] r4:84ab5800 [ 1349.576759][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.576807][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.576846][ T32] r4:00000001 [ 1349.576880][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.576924][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.576980][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.577015][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.577071][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.577131][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.577160][ T32] r4:84ab0640 [ 1349.577184][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.577210][ T32] INFO: task kworker/0:280:5806 blocked for more than 475 seconds. [ 1349.577240][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.577277][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.577344][ T32] task:kworker/0:280 state:D stack:0 pid:5806 tgid:5806 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.577402][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.577459][ T32] Call trace: [ 1349.577493][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.577542][ T32] r10:8291a684 r9:ec855d84 r8:00000002 r7:60000013 r6:ec855d8c r5:84ad0000 [ 1349.577566][ T32] r4:84ad0000 [ 1349.577587][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.577636][ T32] r5:84ad0000 r4:8291a680 [ 1349.577658][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.577697][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.577767][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec855e08 [ 1349.577795][ T32] r4:00000000 [ 1349.577815][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.577853][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.577915][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.577964][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85080c00 [ 1349.577988][ T32] r4:00000000 [ 1349.578035][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.578137][ T32] r9:83018005 r8:84ad0000 r7:00000000 r6:83018000 r5:00001000 r4:7f143000 [ 1349.578193][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.578279][ T32] r5:00001000 r4:ec85d000 [ 1349.578372][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.578482][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.578596][ T32] r5:85270b8c r4:85270800 [ 1349.578641][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.578716][ T32] r7:dddced80 r6:83018000 r5:85270b8c r4:8573dc80 [ 1349.578808][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.578913][ T32] r10:61c88647 r9:84ad0000 r8:8573dcac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.578963][ T32] r4:8573dc80 [ 1349.579004][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.579102][ T32] r10:00000000 r9:8573dc80 r8:80287e08 r7:ec83de60 r6:8573dd00 r5:84ad0000 [ 1349.579159][ T32] r4:00000001 [ 1349.579269][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.608740][ T32] Exception stack(0xec855fb0 to 0xec855ff8) [ 1349.608890][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.608976][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.609049][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.609126][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.609178][ T32] r4:85088f00 [ 1349.610331][ T32] INFO: task kworker/0:280:5806 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.610444][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.610531][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.610639][ T32] Call trace: [ 1349.610694][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.610792][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.610828][ T32] r4:00000000 [ 1349.610878][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.610933][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.610993][ T32] dd20: d61b9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.611031][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.611058][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.611083][ T32] r5:800d0013 r4:80239bb0 [ 1349.611106][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.611153][ T32] r4:82ac21e4 [ 1349.611176][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.611222][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.611247][ T32] r4:e044ddc0 [ 1349.611308][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.611406][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.611438][ T32] r4:00000000 [ 1349.611489][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.611547][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.611573][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.611622][ T32] r5:00001000 r4:ed353000 [ 1349.611670][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.611746][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.611799][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.611851][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.611915][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.611941][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.611992][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.612016][ T32] r4:84ab5800 [ 1349.612037][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.612109][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.612166][ T32] r4:00000001 [ 1349.612193][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.612234][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.612263][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.612303][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.612335][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.612436][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.612491][ T32] r4:84ab0640 [ 1349.612566][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.612641][ T32] INFO: task kworker/0:281:5808 blocked for more than 476 seconds. [ 1349.612708][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.612783][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.612822][ T32] task:kworker/0:281 state:D stack:0 pid:5808 tgid:5808 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.612904][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.612974][ T32] Call trace: [ 1349.613026][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.613127][ T32] r10:8291a684 r9:ec86dd84 r8:00000002 r7:60000113 r6:ec86dd8c r5:84ad1800 [ 1349.613222][ T32] r4:84ad1800 [ 1349.613250][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.613299][ T32] r5:84ad1800 r4:8291a680 [ 1349.613322][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.613391][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.613458][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec86de08 [ 1349.613515][ T32] r4:00000000 [ 1349.613563][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.613622][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.613666][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.613712][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8572a800 [ 1349.613738][ T32] r4:00000000 [ 1349.613758][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.613809][ T32] r9:83018005 r8:84ad1800 r7:00000000 r6:83018000 r5:00001000 r4:7f06d000 [ 1349.613834][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.613878][ T32] r5:00001000 r4:eb281000 [ 1349.613899][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.613939][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.613982][ T32] r5:8527178c r4:85271400 [ 1349.614002][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.614065][ T32] r7:dddced80 r6:83018000 r5:8527178c r4:8573dd80 [ 1349.614100][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.614153][ T32] r10:61c88647 r9:84ad1800 r8:8573ddac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.614191][ T32] r4:8573dd80 [ 1349.614215][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.614292][ T32] r10:00000000 r9:8573dd80 r8:80287e08 r7:ec855e60 r6:8573de00 r5:84ad1800 [ 1349.614374][ T32] r4:00000001 [ 1349.614401][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.614441][ T32] Exception stack(0xec86dfb0 to 0xec86dff8) [ 1349.614511][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.614558][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.614618][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.614697][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.614753][ T32] r4:8572a000 [ 1349.615034][ T32] INFO: task kworker/0:281:5808 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.615086][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.615187][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.615253][ T32] Call trace: [ 1349.615330][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.615409][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.615463][ T32] r4:00000000 [ 1349.615541][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.615588][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.615650][ T32] dd20: d61b9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.615687][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.615716][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.615760][ T32] r5:800d0013 r4:80239bb0 [ 1349.615786][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.615831][ T32] r4:82ac21e4 [ 1349.615852][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.615911][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.615939][ T32] r4:e044ddc0 [ 1349.615987][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.616037][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.616060][ T32] r4:00000000 [ 1349.616081][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.616129][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.616153][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.616196][ T32] r5:00001000 r4:ed353000 [ 1349.616223][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.616284][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.616333][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.616376][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.616435][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.616530][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.616615][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.616655][ T32] r4:84ab5800 [ 1349.616677][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.616727][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.616751][ T32] r4:00000001 [ 1349.616772][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.616811][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.616840][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.616909][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.616957][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.616999][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.617050][ T32] r4:84ab0640 [ 1349.617102][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.617137][ T32] INFO: task kworker/0:282:5810 blocked for more than 476 seconds. [ 1349.617170][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.617228][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.617256][ T32] task:kworker/0:282 state:D stack:0 pid:5810 tgid:5810 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.617341][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.617418][ T32] Call trace: [ 1349.617452][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.617502][ T32] r10:8291a684 r9:ec5ddd84 r8:00000002 r7:60000113 r6:ec5ddd8c r5:84ad2400 [ 1349.617527][ T32] r4:84ad2400 [ 1349.617549][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.617622][ T32] r5:84ad2400 r4:8291a680 ** 1 printk messages dropped ** [ 1349.617703][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1349.618237][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1349.618401][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1349.618661][ T32] r10:61c88647 r9:84ad2400 r8:8573deac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.618715][ T32] r4:8573de80 [ 1349.618792][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.618844][ T32] r10:00000000 r9:8573de80 r8:80287e08 r7:ec86de60 r6:8573df00 r5:84ad2400 [ 1349.618894][ T32] r4:00000001 [ 1349.618919][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.618957][ T32] Exception stack(0xec5ddfb0 to 0xec5ddff8) [ 1349.618986][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.619061][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.619122][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.619208][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.650221][ T32] r4:8572a000 [ 1349.650911][ T32] INFO: task kworker/0:282:5810 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.650975][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.651093][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.651180][ T32] Call trace: [ 1349.651241][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.651344][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.651605][ T32] r4:00000000 [ 1349.651687][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.651763][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.651802][ T32] dd20: d6898000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.651836][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.651868][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.651899][ T32] r5:800d0013 r4:80239bb0 [ 1349.651955][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.652024][ T32] r4:82ac21e4 [ 1349.652048][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.652099][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.652147][ T32] r4:e044ddc0 [ 1349.652176][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.652284][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.652367][ T32] r4:00000000 [ 1349.652426][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.652601][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.652640][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.652696][ T32] r5:00001000 r4:ed353000 [ 1349.652720][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.652766][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.652818][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.652844][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.652905][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.652945][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.653004][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.653058][ T32] r4:84ab5800 [ 1349.653113][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.653172][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.653226][ T32] r4:00000001 [ 1349.653280][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.653324][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.653356][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.653396][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.653433][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.653495][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.653550][ T32] r4:84ab0640 [ 1349.653638][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.653696][ T32] INFO: task kworker/0:283:5814 blocked for more than 476 seconds. [ 1349.653744][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.653774][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.653827][ T32] task:kworker/0:283 state:D stack:0 pid:5814 tgid:5814 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.653914][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.653969][ T32] Call trace: [ 1349.654048][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.654107][ T32] r10:8291a684 r9:ec5f5d84 r8:00000002 r7:60000013 r6:ec5f5d8c r5:84ad3000 [ 1349.654131][ T32] r4:84ad3000 [ 1349.654153][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.654199][ T32] r5:84ad3000 r4:8291a680 [ 1349.654219][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.654261][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.654305][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5f5e08 [ 1349.654355][ T32] r4:00000000 [ 1349.654387][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.654452][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.654493][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.654538][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8572a640 [ 1349.654561][ T32] r4:00000000 [ 1349.654583][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.654629][ T32] r9:83018005 r8:84ad3000 r7:00000000 r6:83018000 r5:00001000 r4:7f06b000 [ 1349.654653][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.654698][ T32] r5:00001000 r4:eb183000 [ 1349.654718][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.654784][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.654848][ T32] r5:8527138c r4:85271000 [ 1349.654902][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.654956][ T32] r7:dddced80 r6:83018000 r5:8527138c r4:8573df80 [ 1349.655011][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.655065][ T32] r10:61c88647 r9:84ad3000 r8:8573dfac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.655091][ T32] r4:8573df80 [ 1349.655113][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.655167][ T32] r10:00000000 r9:8573df80 r8:80287e08 r7:ec86de60 r6:85734000 r5:84ad3000 ** 5 printk messages dropped ** [ 1349.655493][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1349.656322][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 6 printk messages dropped ** [ 1349.656714][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1349.657146][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 6 printk messages dropped ** [ 1349.657471][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1349.657826][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 4 printk messages dropped ** [ 1349.658057][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1349.658322][ T32] INFO: task kworker/0:284:5816 blocked for more than 476 seconds. [ 1349.658377][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.658436][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.658484][ T32] task:kworker/0:284 state:D stack:0 pid:5816 tgid:5816 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.658543][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.658632][ T32] Call trace: [ 1349.658674][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.658724][ T32] r10:8291a684 r9:ec5e1d84 r8:00000002 r7:60000113 r6:ec5e1d8c r5:857a6000 [ 1349.658774][ T32] r4:857a6000 [ 1349.658806][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.658853][ T32] r5:857a6000 r4:8291a680 [ 1349.658875][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.658936][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.659013][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5e1e08 [ 1349.659045][ T32] r4:00000000 [ 1349.659065][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.659145][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.659200][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.659362][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8572a900 [ 1349.673678][ T32] r4:00000000 [ 1349.673731][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.673809][ T32] r9:83018005 r8:857a6000 r7:00000000 r6:83018000 r5:00001000 r4:7f06f000 [ 1349.673875][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.673932][ T32] r5:00001000 r4:eb3ad000 [ 1349.673956][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.674084][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.674136][ T32] r5:85271b8c r4:85271800 [ 1349.674210][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.674267][ T32] r7:dddced80 r6:83018000 r5:85271b8c r4:85734080 [ 1349.674290][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.674367][ T32] r10:61c88647 r9:857a6000 r8:857340ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.674429][ T32] r4:85734080 [ 1349.674455][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.674507][ T32] r10:00000000 r9:85734080 r8:80287e08 r7:ec86de60 r6:85823a80 r5:857a6000 [ 1349.674530][ T32] r4:00000001 [ 1349.674556][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.674598][ T32] Exception stack(0xec5e1fb0 to 0xec5e1ff8) [ 1349.674630][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.674661][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.674710][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.674746][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.674769][ T32] r4:8572a680 [ 1349.675228][ T32] INFO: task kworker/0:284:5816 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.675271][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.675356][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.675434][ T32] Call trace: [ 1349.675529][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.675588][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.675639][ T32] r4:00000000 [ 1349.675691][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.675764][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.675800][ T32] dd20: d6898000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.675883][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.675914][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.675940][ T32] r5:800d0013 r4:80239bb0 [ 1349.675962][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.676033][ T32] r4:82ac21e4 [ 1349.676102][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.676342][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.676475][ T32] r4:e044ddc0 [ 1349.676532][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.676607][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.676687][ T32] r4:00000000 [ 1349.676730][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.676826][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.676854][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.676956][ T32] r5:00001000 r4:ed353000 [ 1349.677085][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.677132][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.677177][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.677199][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.677313][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 1 printk messages dropped ** [ 1349.677398][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1349.677729][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1349.678087][ T32] task:kworker/0:285 state:D stack:0 pid:5818 tgid:5818 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1349.678504][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1349.678997][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1349.679208][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1349.699062][ T32] r10:61c88647 r9:857b0000 r8:8573412c r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1349.699878][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1349.700625][ T32] Call trace: ** 4 printk messages dropped ** [ 1349.700877][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1349.701084][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1349.701234][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1349.701531][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1349.701895][ T32] r4:84ab5800 ** 1 printk messages dropped ** [ 1349.701985][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1349.702139][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1349.702332][ T32] INFO: task kworker/0:286:5820 blocked for more than 476 seconds. ** 3 printk messages dropped ** [ 1349.702501][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1349.702868][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1349.703069][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1349.703405][ T32] r5:00001000 r4:eb5b9000 ** 1 printk messages dropped ** [ 1349.703468][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.703511][ T32] r5:8527238c r4:85272000 [ 1349.703532][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.703579][ T32] r7:dddced80 r6:83018000 r5:8527238c r4:85734180 [ 1349.703626][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.703682][ T32] r10:61c88647 r9:857b1800 r8:857341ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.703738][ T32] r4:85734180 [ 1349.703763][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.703824][ T32] r10:00000000 r9:85734180 r8:80287e08 r7:ec679e60 r6:85823b80 r5:857b1800 [ 1349.703850][ T32] r4:00000001 [ 1349.703871][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.703935][ T32] Exception stack(0xec691fb0 to 0xec691ff8) [ 1349.703966][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.704029][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.704060][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.704091][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.704114][ T32] r4:8572aac0 [ 1349.704386][ T32] INFO: task kworker/0:286:5820 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.704427][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.704537][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.704610][ T32] Call trace: [ 1349.704652][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.704707][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.704732][ T32] r4:00000000 [ 1349.704752][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.704820][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.704868][ T32] dd20: d6aed000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.704902][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.704930][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.704955][ T32] r5:800d0013 r4:80239bb0 [ 1349.704981][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.705027][ T32] r4:82ac21e4 [ 1349.705048][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.705118][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.705147][ T32] r4:e044ddc0 [ 1349.705193][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.705242][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.705272][ T32] r4:00000000 [ 1349.705294][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.705341][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.705383][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.705432][ T32] r5:00001000 r4:ed353000 [ 1349.705454][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.705497][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.705539][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.705559][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.705605][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.705633][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.705700][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.705730][ T32] r4:84ab5800 [ 1349.705753][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.705801][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.705825][ T32] r4:00000001 [ 1349.705868][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.705939][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.705996][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.706031][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.706076][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.706109][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.706132][ T32] r4:84ab0640 [ 1349.706185][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.706217][ T32] INFO: task kworker/0:287:5822 blocked for more than 476 seconds. [ 1349.706246][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.706286][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.706312][ T32] task:kworker/0:287 state:D stack:0 pid:5822 tgid:5822 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.706357][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.706517][ T32] Call trace: [ 1349.706581][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.706632][ T32] r10:8291a684 r9:ec6c5d84 r8:00000002 r7:60000113 r6:ec6c5d8c r5:857b3000 [ 1349.706657][ T32] r4:857b3000 [ 1349.706677][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.706734][ T32] r5:857b3000 r4:8291a680 [ 1349.706834][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.706879][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.706944][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6c5e08 [ 1349.706973][ T32] r4:00000000 [ 1349.707031][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.707072][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.707134][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.707182][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8572ae80 [ 1349.707256][ T32] r4:00000000 [ 1349.707322][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.707380][ T32] r9:83018005 r8:857b3000 r7:00000000 r6:83018000 r5:00001000 r4:7f077000 [ 1349.707407][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.707451][ T32] r5:00001000 r4:eb7a3000 [ 1349.707472][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.707537][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.707588][ T32] r5:85272b8c r4:85272800 [ 1349.707611][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.707662][ T32] r7:dddced80 r6:83018000 r5:85272b8c r4:85734200 [ 1349.707683][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.707756][ T32] r10:61c88647 r9:857b3000 r8:8573422c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.707784][ T32] r4:85734200 [ 1349.707857][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.707961][ T32] r10:00000000 r9:85734200 r8:80287e08 r7:ec691e60 r6:85823c00 r5:857b3000 [ 1349.707989][ T32] r4:00000001 [ 1349.708041][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.708114][ T32] Exception stack(0xec6c5fb0 to 0xec6c5ff8) [ 1349.708195][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.708230][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.708259][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.708346][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.708380][ T32] r4:8572a880 [ 1349.708643][ T32] INFO: task kworker/0:287:5822 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.708681][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.708765][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.708817][ T32] Call trace: [ 1349.708849][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.708901][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.708926][ T32] r4:00000000 [ 1349.708946][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.709013][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.709050][ T32] dd20: d6aed000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.709083][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.709109][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.709150][ T32] r5:800d0013 r4:80239bb0 [ 1349.709183][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.742608][ T32] r4:82ac21e4 [ 1349.742746][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.742923][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.742969][ T32] r4:e044ddc0 [ 1349.742997][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.743048][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.743072][ T32] r4:00000000 [ 1349.743106][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.743163][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.743188][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.743260][ T32] r5:00001000 r4:ed353000 [ 1349.743288][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.743332][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.743383][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.743407][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.743485][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.743515][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.743567][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.743592][ T32] r4:84ab5800 [ 1349.743614][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.743684][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.743713][ T32] r4:00000001 [ 1349.743734][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.743775][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.743807][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.743837][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.743866][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1349.744008][ T32] INFO: task kworker/0:288:5823 blocked for more than 476 seconds. ** 6 printk messages dropped ** [ 1349.744393][ T32] r10:8291a684 r9:ec5edd84 r8:00000002 r7:60000113 r6:ec5edd8c r5:84ad3c00 ** 6 printk messages dropped ** [ 1349.744798][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1349.744951][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8572acc0 ** 6 printk messages dropped ** [ 1349.745170][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1349.745359][ T32] r10:61c88647 r9:84ad3c00 r8:857342ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1349.745706][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1349.745781][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.745808][ T32] r4:8572ac00 [ 1349.746215][ T32] INFO: task kworker/0:288:5823 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.746254][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.746398][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.746481][ T32] Call trace: [ 1349.746610][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.746719][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.746748][ T32] r4:00000000 [ 1349.746769][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.746839][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.746874][ T32] dd20: d71e9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.746905][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.746948][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.746982][ T32] r5:800d0013 r4:80239bb0 [ 1349.747056][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.747182][ T32] r4:82ac21e4 [ 1349.747208][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.747253][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.747289][ T32] r4:e044ddc0 [ 1349.747313][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.747358][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.747387][ T32] r4:00000000 [ 1349.747407][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.747455][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.747502][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.747551][ T32] r5:00001000 r4:ed353000 [ 1349.747573][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.747642][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.747716][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.747768][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.747823][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.747848][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.747895][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.747919][ T32] r4:84ab5800 [ 1349.747964][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.748042][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.748086][ T32] r4:00000001 [ 1349.748110][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.748154][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.748184][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.748214][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.748241][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.748270][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.748293][ T32] r4:84ab0640 [ 1349.748338][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.748369][ T32] INFO: task kworker/0:289:5826 blocked for more than 476 seconds. ** 2 printk messages dropped ** [ 1349.748480][ T32] task:kworker/0:289 state:D stack:0 pid:5826 tgid:5826 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1349.748988][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6a9e08 ** 6 printk messages dropped ** [ 1349.749277][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1349.761539][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1349.761687][ T32] r7:dddced80 r6:83018000 r5:85272f8c r4:85734380 ** 4 printk messages dropped ** [ 1349.761907][ T32] r10:00000000 r9:85734380 r8:80287e08 r7:ec6c5e60 r6:85734400 r5:84ad4800 ** 6 printk messages dropped ** [ 1349.762283][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1349.763622][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 4 printk messages dropped ** [ 1349.763836][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1349.764273][ T32] r5:00001000 r4:ed353000 ** 1 printk messages dropped ** [ 1349.764340][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.764398][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.764419][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.764469][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.764539][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.764606][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.764633][ T32] r4:84ab5800 [ 1349.764655][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.764705][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.764730][ T32] r4:00000001 [ 1349.764751][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.764789][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.764816][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.764863][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.764897][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.764946][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.764974][ T32] r4:84ab0640 [ 1349.764998][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.765031][ T32] INFO: task kworker/0:290:5828 blocked for more than 476 seconds. [ 1349.765068][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.765095][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.765118][ T32] task:kworker/0:290 state:D stack:0 pid:5828 tgid:5828 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.765203][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.765286][ T32] Call trace: [ 1349.765321][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.765398][ T32] r10:8291a684 r9:ec6d1d84 r8:00000002 r7:60000013 r6:ec6d1d8c r5:84ad5400 [ 1349.765447][ T32] r4:84ad5400 [ 1349.765501][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.765598][ T32] r5:84ad5400 r4:8291a680 [ 1349.765667][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.765760][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.765847][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6d1e08 [ 1349.765881][ T32] r4:00000000 [ 1349.765933][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.766011][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.766088][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.766213][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8572a440 [ 1349.766288][ T32] r4:00000000 [ 1349.766348][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.766460][ T32] r9:83018005 r8:84ad5400 r7:00000000 r6:83018000 r5:00001000 r4:7f07b000 [ 1349.766516][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.766593][ T32] r5:00001000 r4:eb989000 [ 1349.766623][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.766710][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.766801][ T32] r5:8527338c r4:85273000 [ 1349.766851][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.766964][ T32] r7:dddced80 r6:83018000 r5:8527338c r4:85734480 [ 1349.767020][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.767074][ T32] r10:61c88647 r9:84ad5400 r8:857344ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.767098][ T32] r4:85734480 [ 1349.767119][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.767167][ T32] r10:00000000 r9:85734480 r8:80287e08 r7:ec6a9e60 r6:85734500 r5:84ad5400 [ 1349.767213][ T32] r4:00000001 [ 1349.767240][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.767282][ T32] Exception stack(0xec6d1fb0 to 0xec6d1ff8) [ 1349.767312][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.767344][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.767379][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.767412][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.767449][ T32] r4:8572ae40 [ 1349.767716][ T32] INFO: task kworker/0:290:5828 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.767756][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.767818][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.767880][ T32] Call trace: [ 1349.767938][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.768000][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.768026][ T32] r4:00000000 [ 1349.768047][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.768090][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.768119][ T32] dd20: d71e9000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.768153][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.768181][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.768206][ T32] r5:800d0013 r4:80239bb0 [ 1349.768230][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.768304][ T32] r4:82ac21e4 [ 1349.768333][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.768392][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.768419][ T32] r4:e044ddc0 [ 1349.768440][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.768486][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.768563][ T32] r4:00000000 [ 1349.768590][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.768643][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.768668][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1349.768918][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 7 printk messages dropped ** [ 1349.788317][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1349.788634][ T32] r4:84ab0640 ** 5 printk messages dropped ** [ 1349.788898][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1349.789251][ T32] r5:84ad6000 r4:8291a680 ** 3 printk messages dropped ** [ 1349.792577][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1349.792759][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85719440 ** 6 printk messages dropped ** [ 1349.793010][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1349.793197][ T32] r10:61c88647 r9:84ad6000 r8:857345ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1349.793642][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1349.794490][ T32] Call trace: ** 5 printk messages dropped ** [ 1349.794731][ T32] dd20: d75ec000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 6 printk messages dropped ** [ 1349.795126][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 8 printk messages dropped ** [ 1349.795548][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1349.795988][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1349.796308][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1349.796635][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1349.797035][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.797100][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec861e08 [ 1349.797189][ T32] r4:00000000 [ 1349.797213][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.797253][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.797303][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.797351][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85719040 [ 1349.797393][ T32] r4:00000000 [ 1349.797497][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.797557][ T32] r9:83018005 r8:84ad6c00 r7:00000000 r6:83018000 r5:00001000 r4:7f07d000 [ 1349.797584][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.797636][ T32] r5:00001000 r4:ebac3000 [ 1349.797658][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.797745][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.797824][ T32] r5:8527378c r4:85273400 [ 1349.797847][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.797897][ T32] r7:dddced80 r6:83018000 r5:8527378c r4:85734680 [ 1349.797919][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.797968][ T32] r10:61c88647 r9:84ad6c00 r8:857346ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.797993][ T32] r4:85734680 [ 1349.798029][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.798084][ T32] r10:00000000 r9:85734680 r8:80287e08 r7:ec871e60 r6:85734700 r5:84ad6c00 [ 1349.798109][ T32] r4:00000001 [ 1349.798129][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.798166][ T32] Exception stack(0xec861fb0 to 0xec861ff8) [ 1349.798194][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.798226][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.798281][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.798380][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.798493][ T32] r4:85719080 [ 1349.798758][ T32] INFO: task kworker/0:292:5831 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.798796][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.798858][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.798908][ T32] Call trace: [ 1349.798941][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.798995][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.799020][ T32] r4:00000000 [ 1349.799055][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.799103][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.799139][ T32] dd20: d75ec000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.799173][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.799200][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.799288][ T32] r5:800d0013 r4:80239bb0 [ 1349.818772][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.818882][ T32] r4:82ac21e4 [ 1349.818921][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.819051][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.819121][ T32] r4:e044ddc0 [ 1349.819158][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.819216][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.819244][ T32] r4:00000000 [ 1349.819284][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.819409][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.820158][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.820244][ T32] r5:00001000 r4:ed353000 [ 1349.820269][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.820315][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.820364][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.820397][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.820453][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.820478][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.820589][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.820618][ T32] r4:84ab5800 [ 1349.820664][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.820724][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.820752][ T32] r4:00000001 [ 1349.820780][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.820825][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.820876][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.820914][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.820944][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.820977][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.821009][ T32] r4:84ab0640 [ 1349.821038][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 1 printk messages dropped ** [ 1349.821113][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1349.821543][ T32] r4:858a0000 ** 3 printk messages dropped ** [ 1349.821709][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1349.822169][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1349.822386][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1349.823101][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1349.823493][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1349.824759][ T32] Call trace: ** 5 printk messages dropped ** [ 1349.825105][ T32] dd20: d789d000 dfe3f000 00000001 80239b98 7f19d000 00000001 ** 7 printk messages dropped ** [ 1349.825469][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1349.825957][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1349.826474][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 6 printk messages dropped ** [ 1349.826784][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1349.827271][ T32] INFO: task kworker/0:294:5837 blocked for more than 476 seconds. ** 6 printk messages dropped ** [ 1349.827686][ T32] r10:8291a684 r9:ec885d84 r8:00000002 r7:60000113 r6:ec885d8c r5:858a2400 ** 6 printk messages dropped ** [ 1349.828085][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1349.828301][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85719640 ** 6 printk messages dropped ** [ 1349.828699][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1349.829008][ T32] r10:61c88647 r9:858a2400 r8:857348ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1349.864915][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1349.865764][ T32] Call trace: ** 5 printk messages dropped ** [ 1349.866188][ T32] dd20: d7e7b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.866219][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.866244][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.866267][ T32] r5:800d0013 r4:80239bb0 [ 1349.866289][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.866346][ T32] r4:82ac21e4 [ 1349.866418][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.866467][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.866491][ T32] r4:e044ddc0 [ 1349.866511][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.866554][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.866576][ T32] r4:00000000 [ 1349.866596][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.866642][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.866690][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.866738][ T32] r5:00001000 r4:ed353000 [ 1349.866771][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.866816][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.866920][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.866947][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.867024][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.867052][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.867101][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.867124][ T32] r4:84ab5800 [ 1349.867144][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.867191][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.867214][ T32] r4:00000001 [ 1349.867234][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.867269][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.867295][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.867349][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.867416][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.867450][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.867472][ T32] r4:84ab0640 [ 1349.867509][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.867625][ T32] INFO: task kworker/0:295:5838 blocked for more than 476 seconds. [ 1349.867728][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.867786][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.867812][ T32] task:kworker/0:295 state:D stack:0 pid:5838 tgid:5838 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.867878][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.867924][ T32] Call trace: [ 1349.867967][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.868033][ T32] r10:8291a684 r9:ec889d84 r8:00000002 r7:60000013 r6:ec889d8c r5:858a3000 [ 1349.868061][ T32] r4:858a3000 [ 1349.868082][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.868124][ T32] r5:858a3000 r4:8291a680 [ 1349.868144][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.868183][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.868250][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec889e08 [ 1349.868280][ T32] r4:00000000 [ 1349.868300][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.868335][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.868377][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.868426][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85719840 [ 1349.868464][ T32] r4:00000000 [ 1349.868489][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.868590][ T32] r9:83018005 r8:858a3000 r7:00000000 r6:83018000 r5:00001000 r4:7f085000 [ 1349.868654][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.868730][ T32] r5:00001000 r4:ebcbd000 [ 1349.868757][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.868813][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.868884][ T32] r5:8588038c r4:85880000 [ 1349.868924][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.869013][ T32] r7:dddced80 r6:83018000 r5:8588038c r4:85734980 [ 1349.869057][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.869149][ T32] r10:61c88647 r9:858a3000 r8:857349ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.869207][ T32] r4:85734980 [ 1349.880750][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.880926][ T32] r10:00000000 r9:85734980 r8:80287e08 r7:ec881e60 r6:85734a00 r5:858a3000 [ 1349.880955][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1349.881142][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1349.881831][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1349.882235][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 5 printk messages dropped ** [ 1349.882506][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 4 printk messages dropped ** [ 1349.882778][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 2 printk messages dropped ** [ 1349.882870][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 5 printk messages dropped ** [ 1349.883092][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1349.883383][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1349.883478][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1349.883620][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1349.883786][ T32] r4:84ab0640 ** 1 printk messages dropped ** [ 1349.883855][ T32] INFO: task kworker/0:296:5840 blocked for more than 476 seconds. ** 3 printk messages dropped ** [ 1349.884045][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1349.884216][ T32] r4:858a1800 ** 3 printk messages dropped ** [ 1349.884381][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1349.884574][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 3 printk messages dropped ** [ 1349.884731][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1349.885012][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.885058][ T32] r5:8588078c r4:85880400 [ 1349.885080][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1349.885206][ T32] r10:61c88647 r9:858a1800 r8:85734aac r7:82804d40 r6:dddced80 r5:dddceda0 ** 3 printk messages dropped ** [ 1349.885378][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1349.885522][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1349.885605][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.885633][ T32] r4:85719380 [ 1349.885922][ T32] INFO: task kworker/0:296:5840 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.885978][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.886066][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.886170][ T32] Call trace: [ 1349.886227][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.886358][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.886418][ T32] r4:00000000 [ 1349.886473][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.886529][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.886577][ T32] dd20: d7e7b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.886648][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.886682][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.886731][ T32] r5:800d0013 r4:80239bb0 [ 1349.886772][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.886828][ T32] r4:82ac21e4 [ 1349.886855][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.886906][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.886934][ T32] r4:e044ddc0 [ 1349.886956][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.887003][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.887028][ T32] r4:00000000 [ 1349.887056][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.887112][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.887137][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.887201][ T32] r5:00001000 r4:ed353000 [ 1349.887234][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.887289][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.887339][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.887362][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.887422][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.887447][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.887499][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.887550][ T32] r4:84ab5800 [ 1349.887610][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.887707][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.887743][ T32] r4:00000001 [ 1349.887784][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.887830][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.887888][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.887927][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.887957][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.888017][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.888048][ T32] r4:84ab0640 [ 1349.888077][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.888109][ T32] INFO: task kworker/0:297:5846 blocked for more than 476 seconds. [ 1349.888150][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.888232][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.888290][ T32] task:kworker/0:297 state:D stack:0 pid:5846 tgid:5846 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.888355][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.888418][ T32] Call trace: [ 1349.888539][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.888653][ T32] r10:8291a684 r9:ec89dd84 r8:00000002 r7:60000013 r6:ec89dd8c r5:858a0c00 [ 1349.888698][ T32] r4:858a0c00 [ 1349.888738][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.888792][ T32] r5:858a0c00 r4:8291a680 [ 1349.888815][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.888859][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.888932][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec89de08 [ 1349.888975][ T32] r4:00000000 [ 1349.889030][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.889076][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.889150][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.889232][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85719780 [ 1349.889324][ T32] r4:00000000 [ 1349.911291][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.911564][ T32] r9:83018005 r8:858a0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0ad000 [ 1349.911634][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.911760][ T32] r5:00001000 r4:ec52f000 [ 1349.911824][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.911938][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.912028][ T32] r5:85880f8c r4:85880c00 [ 1349.912064][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.912178][ T32] r7:dddced80 r6:83018000 r5:85880f8c r4:85734b80 [ 1349.912229][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.912335][ T32] r10:61c88647 r9:858a0c00 r8:85734bac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.912402][ T32] r4:85734b80 [ 1349.912459][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.912584][ T32] r10:00000000 r9:85734b80 r8:80287e08 r7:ec881e60 r6:85734c00 r5:858a0c00 [ 1349.912624][ T32] r4:00000001 [ 1349.912653][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.912740][ T32] Exception stack(0xec89dfb0 to 0xec89dff8) [ 1349.912813][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.912856][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.912918][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.913005][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.913088][ T32] r4:85719b80 [ 1349.913611][ T32] INFO: task kworker/0:297:5846 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.913666][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.913811][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.913906][ T32] Call trace: [ 1349.913988][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.914101][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.914158][ T32] r4:00000000 [ 1349.914205][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.914268][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.914340][ T32] dd20: d8247000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.914421][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.914518][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.914594][ T32] r5:800d0013 r4:80239bb0 [ 1349.914651][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.914746][ T32] r4:82ac21e4 [ 1349.914795][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.914891][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.914944][ T32] r4:e044ddc0 [ 1349.914969][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.915068][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.915123][ T32] r4:00000000 [ 1349.915167][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.915271][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.915355][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.915464][ T32] r5:00001000 r4:ed353000 [ 1349.915514][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.915612][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.915709][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.915759][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.915882][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.915924][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.916025][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.916083][ T32] r4:84ab5800 [ 1349.916163][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1349.916365][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1349.916474][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1349.916758][ T32] r4:84ab0640 [ 1349.916821][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.916907][ T32] INFO: task kworker/0:298:5848 blocked for more than 476 seconds. [ 1349.916967][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.917080][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.917140][ T32] task:kworker/0:298 state:D stack:0 pid:5848 tgid:5848 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.917242][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.917328][ T32] Call trace: [ 1349.917409][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.917535][ T32] r10:8291a684 r9:ec8a1d84 r8:00000002 r7:60000113 r6:ec8a1d8c r5:858a4800 [ 1349.917593][ T32] r4:858a4800 [ 1349.917643][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.917767][ T32] r5:858a4800 r4:8291a680 [ 1349.917830][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.917940][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.918045][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8a1e08 [ 1349.918111][ T32] r4:00000000 [ 1349.918139][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.918209][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.918333][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.918402][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85727040 [ 1349.918448][ T32] r4:00000000 [ 1349.918511][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.918571][ T32] r9:83018005 r8:858a4800 r7:00000000 r6:83018000 r5:00001000 r4:7f0af000 [ 1349.918600][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.918683][ T32] r5:00001000 r4:ec53b000 [ 1349.918909][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.918962][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.919040][ T32] r5:8588138c r4:85881000 [ 1349.919109][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.919210][ T32] r7:dddced80 r6:83018000 r5:8588138c r4:85734c80 [ 1349.919304][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.950245][ T32] r10:61c88647 r9:858a4800 r8:85734cac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.950335][ T32] r4:85734c80 [ 1349.950385][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.950492][ T32] r10:00000000 r9:85734c80 r8:80287e08 r7:ec89de60 r6:85734d00 r5:858a4800 [ 1349.950531][ T32] r4:00000001 [ 1349.950559][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.950609][ T32] Exception stack(0xec8a1fb0 to 0xec8a1ff8) [ 1349.950650][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.950748][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.950952][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.951014][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.951073][ T32] r4:85719cc0 [ 1349.951822][ T32] INFO: task kworker/0:298:5848 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.951919][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.952072][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.952173][ T32] Call trace: [ 1349.952270][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.952415][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.952475][ T32] r4:00000000 [ 1349.952567][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.952666][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.952731][ T32] dd20: d8645000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.952776][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.952877][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.952917][ T32] r5:800d0013 r4:80239bb0 [ 1349.952940][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.953011][ T32] r4:82ac21e4 [ 1349.953086][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.953168][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.953199][ T32] r4:e044ddc0 [ 1349.953270][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.953337][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.953383][ T32] r4:00000000 [ 1349.953410][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.953461][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.953485][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.953530][ T32] r5:00001000 r4:ed353000 [ 1349.953553][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.953601][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.953650][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.953677][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.953729][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.953753][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.953817][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.953846][ T32] r4:84ab5800 [ 1349.953867][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.953917][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.953942][ T32] r4:00000001 [ 1349.953962][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.953999][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.954053][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.954089][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.954136][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.954171][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.954197][ T32] r4:84ab0640 [ 1349.954220][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 4 printk messages dropped ** [ 1349.954442][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1349.954607][ T32] r10:8291a684 r9:ec8a5d84 r8:00000002 r7:60000013 r6:ec8a5d8c r5:858a6000 ** 4 printk messages dropped ** [ 1349.955011][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1349.955410][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85727400 ** 5 printk messages dropped ** [ 1349.955653][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.955695][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1349.955942][ T32] r10:61c88647 r9:858a6000 r8:85734dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.955971][ T32] r4:85734d80 [ 1349.955993][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.956055][ T32] r10:00000000 r9:85734d80 r8:80287e08 r7:ec8a1e60 r6:85734e00 r5:858a6000 [ 1349.956082][ T32] r4:00000001 [ 1349.956120][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.956199][ T32] Exception stack(0xec8a5fb0 to 0xec8a5ff8) [ 1349.956240][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.956322][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.956356][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.956445][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.956543][ T32] r4:85727100 [ 1349.956859][ T32] INFO: task kworker/0:299:5850 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.956932][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.956998][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.957064][ T32] Call trace: [ 1349.957189][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.957260][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.957289][ T32] r4:00000000 [ 1349.957336][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.957388][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.957418][ T32] dd20: d8645000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.957470][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.957503][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.957554][ T32] r5:800d0013 r4:80239bb0 [ 1349.957580][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.957627][ T32] r4:82ac21e4 [ 1349.957649][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.957718][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.957759][ T32] r4:e044ddc0 [ 1349.957789][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.957836][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.957861][ T32] r4:00000000 [ 1349.957881][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.957928][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.957949][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.958045][ T32] r5:00001000 r4:ed353000 [ 1349.958075][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.958146][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.958195][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.958220][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.958276][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.958326][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.958399][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.958428][ T32] r4:84ab5800 [ 1349.958475][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.958618][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.958647][ T32] r4:00000001 [ 1349.958668][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.958706][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.958732][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.958761][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.958788][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.958845][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.958877][ T32] r4:84ab0640 [ 1349.958900][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.958926][ T32] INFO: task kworker/0:300:5851 blocked for more than 476 seconds. [ 1349.958983][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.959010][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.959033][ T32] task:kworker/0:300 state:D stack:0 pid:5851 tgid:5851 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.959126][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.959200][ T32] Call trace: [ 1349.959325][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.982274][ T32] r10:8291a684 r9:ec8a9d84 r8:00000002 r7:60000013 r6:ec8a9d8c r5:858a6c00 [ 1349.982329][ T32] r4:858a6c00 [ 1349.982377][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.982459][ T32] r5:858a6c00 r4:8291a680 [ 1349.982484][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.982528][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.982602][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8a9e08 [ 1349.982633][ T32] r4:00000000 [ 1349.982655][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.982694][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.982737][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.982781][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85727b00 [ 1349.982805][ T32] r4:00000000 [ 1349.982828][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.982880][ T32] r9:83018005 r8:858a6c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0d1000 [ 1349.982905][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.982954][ T32] r5:00001000 r4:ec5d5000 [ 1349.982976][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.983025][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.983090][ T32] r5:8588238c r4:85882000 [ 1349.983131][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.983188][ T32] r7:dddced80 r6:83018000 r5:8588238c r4:85734e80 [ 1349.983212][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.983264][ T32] r10:61c88647 r9:858a6c00 r8:85734eac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.983313][ T32] r4:85734e80 [ 1349.983339][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.983401][ T32] r10:00000000 r9:85734e80 r8:80287e08 r7:ec8a5e60 r6:85734f00 r5:858a6c00 [ 1349.983427][ T32] r4:00000001 [ 1349.983448][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.983490][ T32] Exception stack(0xec8a9fb0 to 0xec8a9ff8) [ 1349.983549][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.983612][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.983646][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.983679][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.983716][ T32] r4:85727280 [ 1349.984162][ T32] INFO: task kworker/0:300:5851 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.984203][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.984281][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.984334][ T32] Call trace: [ 1349.984368][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.984432][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.984458][ T32] r4:00000000 [ 1349.984479][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.984565][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.984602][ T32] dd20: d8a8c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.984648][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.984698][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.984742][ T32] r5:800d0013 r4:80239bb0 [ 1349.984774][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.984833][ T32] r4:82ac21e4 [ 1349.984875][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.984925][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1349.984963][ T32] r4:e044ddc0 [ 1349.984995][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.985044][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1349.985074][ T32] r4:00000000 [ 1349.985097][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.985164][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1349.985197][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.985247][ T32] r5:00001000 r4:ed353000 [ 1349.985322][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.985393][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.985444][ T32] r5:85c0ff8c r4:85c0fc00 [ 1349.985468][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.985520][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1349.985544][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.985597][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.985621][ T32] r4:84ab5800 [ 1349.985642][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.985691][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1349.985715][ T32] r4:00000001 [ 1349.985764][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.985809][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1349.985838][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.985874][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.985906][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.985965][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.985995][ T32] r4:84ab0640 [ 1349.986032][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.986094][ T32] INFO: task kworker/0:301:5853 blocked for more than 476 seconds. [ 1349.986138][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1349.986168][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.986192][ T32] task:kworker/0:301 state:D stack:0 pid:5853 tgid:5853 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.986277][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.986324][ T32] Call trace: [ 1349.986392][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1349.986477][ T32] r10:8291a684 r9:ec8add84 r8:00000002 r7:60000113 r6:ec8add8c r5:858a5400 [ 1349.986509][ T32] r4:858a5400 [ 1349.986548][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1349.986611][ T32] r5:858a5400 r4:8291a680 [ 1349.986637][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.986679][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.986730][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8ade08 [ 1349.986756][ T32] r4:00000000 [ 1349.986803][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1349.986845][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1349.986886][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1349.986930][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85727700 [ 1349.986954][ T32] r4:00000000 [ 1349.986991][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1349.987071][ T32] r9:83018005 r8:858a5400 r7:00000000 r6:83018000 r5:00001000 r4:7f0cd000 [ 1349.987127][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1349.987178][ T32] r5:00001000 r4:ec5b1000 [ 1349.987201][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1349.987256][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.987307][ T32] r5:85881b8c r4:85881800 [ 1349.987358][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1349.987429][ T32] r7:dddced80 r6:83018000 r5:85881b8c r4:85734f80 [ 1349.987482][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1349.987538][ T32] r10:61c88647 r9:858a5400 r8:85734fac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.987564][ T32] r4:85734f80 [ 1349.987606][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1349.987660][ T32] r10:00000000 r9:85734f80 r8:80287e08 r7:ec8a9e60 r6:85724000 r5:858a5400 [ 1349.987711][ T32] r4:00000001 [ 1349.987736][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.987802][ T32] Exception stack(0xec8adfb0 to 0xec8adff8) [ 1349.987918][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.987954][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.988010][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.988046][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1349.988072][ T32] r4:85727080 [ 1349.988338][ T32] INFO: task kworker/0:301:5853 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1349.988390][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.988473][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.988563][ T32] Call trace: [ 1349.988596][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1349.988670][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1349.988729][ T32] r4:00000000 [ 1349.988755][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.988833][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1349.988906][ T32] dd20: d8a8c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1349.988971][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1349.989011][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1349.989066][ T32] r5:800d0013 r4:80239bb0 [ 1349.989103][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.989148][ T32] r4:82ac21e4 [ 1349.989199][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.989305][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.004687][ T32] r4:e044ddc0 [ 1350.004759][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.004873][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.004906][ T32] r4:00000000 [ 1350.004929][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.004985][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.005085][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.005201][ T32] r5:00001000 r4:ed353000 [ 1350.005230][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.005276][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.005323][ T32] r5:85c0ff8c r4:85c0fc00 ** 1 printk messages dropped ** [ 1350.005435][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1350.005621][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1350.005778][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1350.006127][ T32] INFO: task kworker/0:302:5855 blocked for more than 476 seconds. ** 3 printk messages dropped ** [ 1350.006453][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.006628][ T32] Call trace: [ 1350.006701][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.006830][ T32] r10:8291a684 r9:ec8b1d84 r8:00000002 r7:60000113 r6:ec8b1d8c r5:858a3c00 [ 1350.006891][ T32] r4:858a3c00 [ 1350.006940][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.007035][ T32] r5:858a3c00 r4:8291a680 [ 1350.007084][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.007233][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.007359][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8b1e08 [ 1350.007452][ T32] r4:00000000 [ 1350.007513][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.007595][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.007695][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.007814][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85727900 [ 1350.007870][ T32] r4:00000000 [ 1350.007933][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.008042][ T32] r9:83018005 r8:858a3c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0cf000 [ 1350.008097][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.008187][ T32] r5:00001000 r4:ec5c5000 [ 1350.008230][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.008348][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.008476][ T32] r5:85881f8c r4:85881c00 [ 1350.008606][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.008713][ T32] r7:dddced80 r6:83018000 r5:85881f8c r4:85724080 [ 1350.008766][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.008868][ T32] r10:61c88647 r9:858a3c00 r8:857240ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.008950][ T32] r4:85724080 [ 1350.008995][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.009099][ T32] r10:00000000 r9:85724080 r8:80287e08 r7:ec8a9e60 r6:85724100 r5:858a3c00 [ 1350.009152][ T32] r4:00000001 [ 1350.009210][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.009384][ T32] Exception stack(0xec8b1fb0 to 0xec8b1ff8) [ 1350.023965][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1350.024050][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.024093][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.024152][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.024209][ T32] r4:857270c0 [ 1350.024736][ T32] INFO: task kworker/0:302:5855 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.024790][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.024873][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.024964][ T32] Call trace: [ 1350.025015][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.025084][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.025165][ T32] r4:00000000 [ 1350.025222][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.025274][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.025306][ T32] dd20: d8d3c000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.025339][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.025415][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.025500][ T32] r5:800d0013 r4:80239bb0 [ 1350.025556][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.025637][ T32] r4:82ac21e4 [ 1350.025666][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.025720][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.025748][ T32] r4:e044ddc0 [ 1350.025769][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.025814][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.025839][ T32] r4:00000000 [ 1350.025865][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.025921][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.025946][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.025993][ T32] r5:00001000 r4:ed353000 [ 1350.026014][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.026059][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.026108][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.026131][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.026182][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.026207][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.026258][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.026283][ T32] r4:84ab5800 [ 1350.026304][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.026388][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.026421][ T32] r4:00000001 [ 1350.026469][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.026514][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.026543][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.026574][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.026603][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.026636][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.026660][ T32] r4:84ab0640 [ 1350.026683][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.026715][ T32] INFO: task kworker/0:303:5857 blocked for more than 476 seconds. [ 1350.026753][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.026781][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.026804][ T32] task:kworker/0:303 state:D stack:0 pid:5857 tgid:5857 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.026875][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.026929][ T32] Call trace: [ 1350.026965][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.027016][ T32] r10:8291a684 r9:ec8b5d84 r8:00000002 r7:60000113 r6:ec8b5d8c r5:858a8c00 [ 1350.027063][ T32] r4:858a8c00 [ 1350.027091][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.027165][ T32] r5:858a8c00 r4:8291a680 [ 1350.027250][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.027302][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.027351][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8b5e08 [ 1350.027383][ T32] r4:00000000 [ 1350.027440][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.027484][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.027546][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.027634][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509d600 [ 1350.027663][ T32] r4:00000000 [ 1350.027687][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.027737][ T32] r9:83018005 r8:858a8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0e1000 [ 1350.027761][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.027809][ T32] r5:00001000 r4:ec8cb000 [ 1350.027832][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.027877][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.027924][ T32] r5:85883f8c r4:85883c00 [ 1350.027974][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.028032][ T32] r7:dddced80 r6:83018000 r5:85883f8c r4:85724180 [ 1350.028056][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.028107][ T32] r10:61c88647 r9:858a8c00 r8:857241ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.028132][ T32] r4:85724180 [ 1350.028179][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.028235][ T32] r10:00000000 r9:85724180 r8:80287e08 r7:ec8a9e60 r6:85724200 r5:858a8c00 [ 1350.028262][ T32] r4:00000001 [ 1350.028283][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.028322][ T32] Exception stack(0xec8b5fb0 to 0xec8b5ff8) [ 1350.028352][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1350.028393][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.028480][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.028583][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.028614][ T32] r4:85727780 [ 1350.028870][ T32] INFO: task kworker/0:303:5857 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.028910][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.029049][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.029143][ T32] Call trace: [ 1350.029193][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.046697][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.046917][ T32] r4:00000000 [ 1350.047020][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.047213][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.047291][ T32] dd20: d8d99000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.047366][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.047437][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.047510][ T32] r5:800d0013 r4:80239bb0 [ 1350.047565][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.047672][ T32] r4:82ac21e4 [ 1350.047722][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.047852][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.047886][ T32] r4:e044ddc0 [ 1350.047910][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.047957][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.047983][ T32] r4:00000000 [ 1350.048010][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.048065][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.048089][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.048186][ T32] r5:00001000 r4:ed353000 [ 1350.048237][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.048343][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.048464][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.048637][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.048732][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.048758][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.048814][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.048879][ T32] r4:84ab5800 [ 1350.048930][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.049028][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.049057][ T32] r4:00000001 [ 1350.049079][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.049119][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.049149][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.049181][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.049211][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.049345][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.063337][ T32] r4:84ab0640 [ 1350.063413][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.063457][ T32] INFO: task kworker/0:304:5861 blocked for more than 476 seconds. [ 1350.063500][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.063556][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.063653][ T32] task:kworker/0:304 state:D stack:0 pid:5861 tgid:5861 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.063762][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.063865][ T32] Call trace: [ 1350.063913][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.064004][ T32] r10:8291a684 r9:ec8bdd84 r8:00000002 r7:60000113 r6:ec8bdd8c r5:858a8000 [ 1350.064034][ T32] r4:858a8000 [ 1350.064059][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.064108][ T32] r5:858a8000 r4:8291a680 [ 1350.064160][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.064255][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.064311][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8bde08 [ 1350.064388][ T32] r4:00000000 [ 1350.064418][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.064483][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.064588][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.064644][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85727e00 [ 1350.064689][ T32] r4:00000000 [ 1350.064719][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.064793][ T32] r9:83018005 r8:858a8000 r7:00000000 r6:83018000 r5:00001000 r4:7f0d5000 [ 1350.064862][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.064945][ T32] r5:00001000 r4:ec633000 [ 1350.064976][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.065025][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.065161][ T32] r5:85882b8c r4:85882800 [ 1350.065246][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.065360][ T32] r7:dddced80 r6:83018000 r5:85882b8c r4:85724280 [ 1350.065470][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.065588][ T32] r10:61c88647 r9:858a8000 r8:857242ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.065645][ T32] r4:85724280 [ 1350.065691][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.065809][ T32] r10:00000000 r9:85724280 r8:80287e08 r7:ec8b5e60 r6:85724300 r5:858a8000 [ 1350.065904][ T32] r4:00000001 [ 1350.065973][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.066063][ T32] Exception stack(0xec8bdfb0 to 0xec8bdff8) [ 1350.066142][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.066241][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.066317][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.066391][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.066449][ T32] r4:85727bc0 [ 1350.066965][ T32] INFO: task kworker/0:304:5861 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.067039][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.067114][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.067184][ T32] Call trace: [ 1350.067274][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.067339][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.067426][ T32] r4:00000000 [ 1350.067456][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.067558][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.067627][ T32] dd20: d9141000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.067669][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.067702][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.067755][ T32] r5:800d0013 r4:80239bb0 [ 1350.067800][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.067854][ T32] r4:82ac21e4 [ 1350.067896][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.067974][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.068004][ T32] r4:e044ddc0 [ 1350.068028][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.068098][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.068131][ T32] r4:00000000 [ 1350.068182][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.068262][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.068297][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.068349][ T32] r5:00001000 r4:ed353000 [ 1350.068385][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.068445][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.068494][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.068582][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.068698][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.068762][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.068875][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.068951][ T32] r4:84ab5800 [ 1350.069005][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.069123][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.069197][ T32] r4:00000001 [ 1350.090611][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.090809][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.090907][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.090985][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.091071][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.091150][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.091213][ T32] r4:84ab0640 [ 1350.091274][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.091382][ T32] INFO: task kworker/0:305:5863 blocked for more than 476 seconds. [ 1350.091470][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.091535][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.091597][ T32] task:kworker/0:305 state:D stack:0 pid:5863 tgid:5863 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.091778][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.091950][ T32] Call trace: [ 1350.092099][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.092228][ T32] r10:8291a684 r9:ec8c1d84 r8:00000002 r7:60000013 r6:ec8c1d8c r5:858ab000 [ 1350.092289][ T32] r4:858ab000 [ 1350.092344][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.092453][ T32] r5:858ab000 r4:8291a680 [ 1350.092545][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.092663][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.092770][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8c1e08 [ 1350.092913][ T32] r4:00000000 [ 1350.092975][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.093098][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.093210][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.093316][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85727a00 [ 1350.093382][ T32] r4:00000000 [ 1350.093460][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.093594][ T32] r9:83018005 r8:858ab000 r7:00000000 r6:83018000 r5:00001000 r4:7f0d9000 [ 1350.093671][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.093800][ T32] r5:00001000 r4:ec64b000 [ 1350.093868][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.093986][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.094093][ T32] r5:85882f8c r4:85882c00 [ 1350.094171][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.094316][ T32] r7:dddced80 r6:83018000 r5:85882f8c r4:85724380 ** 1 printk messages dropped ** [ 1350.094505][ T32] r10:61c88647 r9:858ab000 r8:857243ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 1 printk messages dropped ** [ 1350.094627][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 5 printk messages dropped ** [ 1350.095087][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1350.095312][ T32] r4:85727e80 ** 1 printk messages dropped ** [ 1350.096249][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1350.097042][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 1 printk messages dropped ** [ 1350.097194][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 3 printk messages dropped ** [ 1350.097492][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1350.097721][ T32] r4:e044ddc0 ** 2 printk messages dropped ** [ 1350.097976][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1350.098189][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.098283][ T32] r5:00001000 r4:ed353000 [ 1350.098375][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.098473][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.098569][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.098633][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.098741][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.098818][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.098944][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.099012][ T32] r4:84ab5800 [ 1350.099067][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.114739][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.114922][ T32] r4:00000001 [ 1350.114988][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.115139][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.115224][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.115298][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.115366][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.115446][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.115503][ T32] r4:84ab0640 [ 1350.115658][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.115751][ T32] INFO: task kworker/0:306:5865 blocked for more than 476 seconds. [ 1350.115868][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.115941][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.115998][ T32] task:kworker/0:306 state:D stack:0 pid:5865 tgid:5865 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.116131][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.116284][ T32] Call trace: [ 1350.116421][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.116575][ T32] r10:8291a684 r9:ec8c5d84 r8:00000002 r7:60000113 r6:ec8c5d8c r5:858abc00 [ 1350.116648][ T32] r4:858abc00 [ 1350.116724][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.116845][ T32] r5:858abc00 r4:8291a680 [ 1350.116901][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.117013][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.117141][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8c5e08 [ 1350.117204][ T32] r4:00000000 [ 1350.117256][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.117343][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.117438][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.117545][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857f6680 [ 1350.117606][ T32] r4:00000000 [ 1350.117665][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.117797][ T32] r9:83018005 r8:858abc00 r7:00000000 r6:83018000 r5:00001000 r4:7f0db000 [ 1350.117861][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.117964][ T32] r5:00001000 r4:ec681000 [ 1350.118020][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.118125][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.118226][ T32] r5:8588338c r4:85883000 [ 1350.118281][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.118418][ T32] r7:dddced80 r6:83018000 r5:8588338c r4:85724480 [ 1350.118483][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.118600][ T32] r10:61c88647 r9:858abc00 r8:857244ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.118672][ T32] r4:85724480 [ 1350.118730][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.118846][ T32] r10:00000000 r9:85724480 r8:80287e08 r7:ec8b5e60 r6:85724500 r5:858abc00 [ 1350.118909][ T32] r4:00000001 [ 1350.118959][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.119048][ T32] Exception stack(0xec8c5fb0 to 0xec8c5ff8) [ 1350.119120][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1350.119255][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.133752][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.133872][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.133930][ T32] r4:848dcec0 [ 1350.134675][ T32] INFO: task kworker/0:306:5865 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.134853][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.135018][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.135153][ T32] Call trace: [ 1350.135231][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.135352][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.135411][ T32] r4:00000000 [ 1350.135462][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.135555][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.135627][ T32] dd20: d963e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.135696][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.135755][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.135810][ T32] r5:800d0013 r4:80239bb0 [ 1350.135858][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.135953][ T32] r4:82ac21e4 [ 1350.136002][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.136099][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.136154][ T32] r4:e044ddc0 [ 1350.136204][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.136297][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.136351][ T32] r4:00000000 [ 1350.136403][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.136547][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.136606][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.136725][ T32] r5:00001000 r4:ed353000 [ 1350.136777][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.136867][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.136963][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.137041][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.137164][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.137216][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.137324][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.137383][ T32] r4:84ab5800 [ 1350.137452][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.137564][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.137626][ T32] r4:00000001 [ 1350.137675][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.137759][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.137820][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.137887][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.137949][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.138014][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.138069][ T32] r4:84ab0640 [ 1350.138141][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.138225][ T32] INFO: task kworker/0:307:5866 blocked for more than 476 seconds. [ 1350.138333][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.138434][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.138511][ T32] task:kworker/0:307 state:D stack:0 pid:5866 tgid:5866 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.138635][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.138771][ T32] Call trace: [ 1350.138855][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.138989][ T32] r10:8291a684 r9:ec8c9d84 r8:00000002 r7:60000013 r6:ec8c9d8c r5:858ac800 [ 1350.139059][ T32] r4:858ac800 [ 1350.139133][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.159854][ T32] r5:858ac800 r4:8291a680 [ 1350.159974][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.160056][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.160142][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8c9e08 [ 1350.160175][ T32] r4:00000000 [ 1350.160201][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.160246][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.160293][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.160344][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509d240 [ 1350.160392][ T32] r4:00000000 [ 1350.160436][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.160536][ T32] r9:83018005 r8:858ac800 r7:00000000 r6:83018000 r5:00001000 r4:7f0dd000 [ 1350.160623][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.160695][ T32] r5:00001000 r4:ec6a1000 [ 1350.160724][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.160830][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.160889][ T32] r5:8588378c r4:85883400 [ 1350.160916][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1350.161330][ T32] r10:61c88647 r9:858ac800 r8:857245ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.161362][ T32] r4:85724580 [ 1350.161386][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.161441][ T32] r10:00000000 r9:85724580 r8:80287e08 r7:ec8b5e60 r6:85724600 r5:858ac800 [ 1350.161467][ T32] r4:00000001 [ 1350.161490][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.161533][ T32] Exception stack(0xec8c9fb0 to 0xec8c9ff8) [ 1350.161567][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.161600][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.161640][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.161721][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.161752][ T32] r4:8509d200 [ 1350.162212][ T32] INFO: task kworker/0:307:5866 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.162314][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.162481][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.162548][ T32] Call trace: [ 1350.162609][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.162675][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.162728][ T32] r4:00000000 [ 1350.162810][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.162887][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.162924][ T32] dd20: d9949000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.163032][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.163064][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.163091][ T32] r5:800d0013 r4:80239bb0 [ 1350.163114][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.163160][ T32] r4:82ac21e4 [ 1350.163239][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.163292][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.163333][ T32] r4:e044ddc0 [ 1350.163358][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.163407][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.163434][ T32] r4:00000000 [ 1350.163457][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.163522][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.163548][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.163639][ T32] r5:00001000 r4:ed353000 [ 1350.163751][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.163803][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.163880][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.163908][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.163963][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.163988][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.164040][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.164065][ T32] r4:84ab5800 [ 1350.164088][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.164138][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.164163][ T32] r4:00000001 [ 1350.164186][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.164224][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.164253][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.164283][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.164314][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.164365][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.164401][ T32] r4:84ab0640 [ 1350.164426][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.164460][ T32] INFO: task kworker/0:308:5868 blocked for more than 476 seconds. [ 1350.164541][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.164600][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.164654][ T32] task:kworker/0:308 state:D stack:0 pid:5868 tgid:5868 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.164766][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.164820][ T32] Call trace: [ 1350.164856][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.164910][ T32] r10:8291a684 r9:ec879d84 r8:00000002 r7:60000113 r6:ec879d8c r5:857b0c00 [ 1350.164935][ T32] r4:857b0c00 [ 1350.164984][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.165038][ T32] r5:857b0c00 r4:8291a680 [ 1350.165061][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.165105][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.165152][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec879e08 [ 1350.165176][ T32] r4:00000000 [ 1350.165197][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.165235][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.165272][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.165317][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509d4c0 [ 1350.165342][ T32] r4:00000000 [ 1350.165363][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.165419][ T32] r9:83018005 r8:857b0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0df000 [ 1350.165444][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.165516][ T32] r5:00001000 r4:ec6b9000 [ 1350.165544][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.165589][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.165640][ T32] r5:85883b8c r4:85883800 [ 1350.165662][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.165769][ T32] r7:dddced80 r6:83018000 r5:85883b8c r4:85724680 [ 1350.165903][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.166002][ T32] r10:61c88647 r9:857b0c00 r8:857246ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.166057][ T32] r4:85724680 [ 1350.166105][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.166254][ T32] r10:00000000 r9:85724680 r8:80287e08 r7:ec8b5e60 r6:85823c80 r5:857b0c00 [ 1350.166314][ T32] r4:00000001 [ 1350.166389][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.166472][ T32] Exception stack(0xec879fb0 to 0xec879ff8) [ 1350.166552][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.166632][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.166724][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.166807][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.166866][ T32] r4:8509d400 [ 1350.167310][ T32] INFO: task kworker/0:308:5868 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.167390][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.167522][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.167636][ T32] Call trace: [ 1350.167733][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.167846][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.167899][ T32] r4:00000000 [ 1350.167950][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.168055][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.168124][ T32] dd20: d9949000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.168187][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.168282][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.168342][ T32] r5:800d0013 r4:80239bb0 [ 1350.168391][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.168483][ T32] r4:82ac21e4 [ 1350.168558][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.168663][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.168717][ T32] r4:e044ddc0 [ 1350.168766][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.168880][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.168937][ T32] r4:00000000 [ 1350.168985][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.169086][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.169139][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.169302][ T32] r5:00001000 r4:ed353000 [ 1350.193939][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.194125][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.194231][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.194316][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.194489][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.194556][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.194671][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.194774][ T32] r4:84ab5800 [ 1350.194827][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.194938][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.194993][ T32] r4:00000001 [ 1350.195046][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.195132][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.195196][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.195274][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.195338][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.195409][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.195459][ T32] r4:84ab0640 [ 1350.195518][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.195583][ T32] INFO: task kworker/0:309:5871 blocked for more than 476 seconds. [ 1350.195664][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.195725][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.195773][ T32] task:kworker/0:309 state:D stack:0 pid:5871 tgid:5871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.195934][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.196055][ T32] Call trace: [ 1350.196134][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.196246][ T32] r10:8291a684 r9:eba2dd84 r8:00000002 r7:60000013 r6:eba2dd8c r5:857b3c00 [ 1350.196301][ T32] r4:857b3c00 [ 1350.196346][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.196442][ T32] r5:857b3c00 r4:8291a680 [ 1350.196543][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.196639][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.196737][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba2de08 [ 1350.196792][ T32] r4:00000000 [ 1350.196836][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.196917][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.197005][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.197158][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509d700 [ 1350.197240][ T32] r4:00000000 [ 1350.197294][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.197399][ T32] r9:83018005 r8:857b3c00 r7:00000000 r6:83018000 r5:00001000 r4:7f03f000 [ 1350.197452][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.197545][ T32] r5:00001000 r4:dfad5000 [ 1350.197613][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.197713][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.197806][ T32] r5:8588c38c r4:8588c000 [ 1350.197855][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.197954][ T32] r7:dddced80 r6:83018000 r5:8588c38c r4:85724700 [ 1350.197999][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.198101][ T32] r10:61c88647 r9:857b3c00 r8:8572472c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.198192][ T32] r4:85724700 [ 1350.198276][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.198402][ T32] r10:00000000 r9:85724700 r8:80287e08 r7:ec8b5e60 r6:85823d00 r5:857b3c00 [ 1350.198459][ T32] r4:00000001 [ 1350.198518][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.198602][ T32] Exception stack(0xeba2dfb0 to 0xeba2dff8) [ 1350.198673][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.198734][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.198796][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.198862][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.198910][ T32] r4:8509d480 [ 1350.213897][ T32] INFO: task kworker/0:309:5871 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.214068][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.214216][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.214361][ T32] Call trace: [ 1350.214418][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.214494][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.214553][ T32] r4:00000000 [ 1350.214584][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.214660][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.214725][ T32] dd20: d9c5e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.214762][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.214875][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.214911][ T32] r5:800d0013 r4:80239bb0 [ 1350.214964][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.215019][ T32] r4:82ac21e4 [ 1350.215048][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.215099][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.215131][ T32] r4:e044ddc0 [ 1350.215155][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.215229][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.215260][ T32] r4:00000000 [ 1350.215313][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.215374][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.215408][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.215463][ T32] r5:00001000 r4:ed353000 [ 1350.215500][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.215566][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.215653][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.215683][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.215777][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.215808][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.215864][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.215889][ T32] r4:84ab5800 [ 1350.215911][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.215988][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.216050][ T32] r4:00000001 [ 1350.216097][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.216165][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.216222][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.216296][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.216395][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.216471][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.216561][ T32] r4:84ab0640 [ 1350.216643][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.216737][ T32] INFO: task kworker/0:310:5873 blocked for more than 476 seconds. [ 1350.216816][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.216888][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.216919][ T32] task:kworker/0:310 state:D stack:0 pid:5873 tgid:5873 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.217021][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.217073][ T32] Call trace: [ 1350.217147][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.217208][ T32] r10:8291a684 r9:ebb21d84 r8:00000002 r7:60000113 r6:ebb21d8c r5:857b6000 [ 1350.217240][ T32] r4:857b6000 [ 1350.217293][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.217389][ T32] r5:857b6000 r4:8291a680 [ 1350.217419][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.217468][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.217517][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb21e08 [ 1350.217565][ T32] r4:00000000 [ 1350.217600][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.217652][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.217695][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.217769][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509db40 [ 1350.217828][ T32] r4:00000000 [ 1350.217865][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.217934][ T32] r9:83018005 r8:857b6000 r7:00000000 r6:83018000 r5:00001000 r4:7f0e3000 [ 1350.217997][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.218160][ T32] r5:00001000 r4:eae59000 [ 1350.218225][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.218278][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.218362][ T32] r5:8588cf8c r4:8588cc00 [ 1350.218389][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.218467][ T32] r7:dddced80 r6:83018000 r5:8588cf8c r4:85724780 [ 1350.218507][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.218563][ T32] r10:61c88647 r9:857b6000 r8:857247ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.218626][ T32] r4:85724780 [ 1350.218682][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.218772][ T32] r10:00000000 r9:85724780 r8:80287e08 r7:eba2de60 r6:85823d80 r5:857b6000 [ 1350.218800][ T32] r4:00000001 [ 1350.218823][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.218871][ T32] Exception stack(0xebb21fb0 to 0xebb21ff8) [ 1350.218907][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1350.218939][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.218969][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.219000][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.219025][ T32] r4:8509d500 [ 1350.238894][ T32] INFO: task kworker/0:310:5873 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.239054][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.239205][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.239916][ T32] Call trace: [ 1350.239965][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.240047][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.240076][ T32] r4:00000000 [ 1350.240101][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.240150][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.240228][ T32] dd20: d9ea3000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.240298][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.240332][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.240437][ T32] r5:800d0013 r4:80239bb0 [ 1350.240468][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.240562][ T32] r4:82ac21e4 [ 1350.240589][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.240680][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.240775][ T32] r4:e044ddc0 [ 1350.240803][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.240853][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.240935][ T32] r4:00000000 [ 1350.240962][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.241018][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.241044][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.241108][ T32] r5:00001000 r4:ed353000 [ 1350.241135][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.241181][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.241243][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.241271][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.241326][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.241351][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.241404][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.241453][ T32] r4:84ab5800 [ 1350.241480][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.241534][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.241559][ T32] r4:00000001 [ 1350.241582][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.241633][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.241692][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.241771][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.241808][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.241846][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.241987][ T32] r4:84ab0640 [ 1350.242045][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.242084][ T32] INFO: task kworker/0:311:5874 blocked for more than 476 seconds. [ 1350.242123][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.242169][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.242199][ T32] task:kworker/0:311 state:D stack:0 pid:5874 tgid:5874 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.242342][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.242418][ T32] Call trace: [ 1350.242528][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.242589][ T32] r10:8291a684 r9:ec8b9d84 r8:00000002 r7:60000113 r6:ec8b9d8c r5:858a9800 [ 1350.242615][ T32] r4:858a9800 [ 1350.242645][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.242695][ T32] r5:858a9800 r4:8291a680 [ 1350.242718][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.242799][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.242884][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8b9e08 [ 1350.242968][ T32] r4:00000000 [ 1350.243012][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.243123][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.243201][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.243253][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509d880 [ 1350.243282][ T32] r4:00000000 [ 1350.243303][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.243353][ T32] r9:83018005 r8:858a9800 r7:00000000 r6:83018000 r5:00001000 r4:7f05f000 [ 1350.243383][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.243478][ T32] r5:00001000 r4:dfe4b000 [ 1350.243506][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.243551][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.243598][ T32] r5:8588c78c r4:8588c400 [ 1350.243628][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.243681][ T32] r7:dddced80 r6:83018000 r5:8588c78c r4:85724800 [ 1350.243760][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.243823][ T32] r10:61c88647 r9:858a9800 r8:8572482c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.243852][ T32] r4:85724800 [ 1350.243874][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.243931][ T32] r10:00000000 r9:85724800 r8:80287e08 r7:ebb21e60 r6:85724880 r5:858a9800 [ 1350.243958][ T32] r4:00000001 [ 1350.243979][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.244018][ T32] Exception stack(0xec8b9fb0 to 0xec8b9ff8) [ 1350.244075][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.244119][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.244178][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.244300][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.244331][ T32] r4:8509d500 [ 1350.244881][ T32] INFO: task kworker/0:311:5874 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.244970][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.245066][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.245135][ T32] Call trace: [ 1350.245265][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.245365][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.245407][ T32] r4:00000000 [ 1350.245430][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.245475][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.245530][ T32] dd20: d9ea3000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.245569][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.245599][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.245632][ T32] r5:800d0013 r4:80239bb0 [ 1350.245656][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.245749][ T32] r4:82ac21e4 [ 1350.245819][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.245905][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.245991][ T32] r4:e044ddc0 [ 1350.246019][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.246073][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.246156][ T32] r4:00000000 [ 1350.246193][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.246268][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.246325][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.246426][ T32] r5:00001000 r4:ed353000 [ 1350.246461][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.246510][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.246560][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.246583][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.246676][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.246736][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.246793][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.246824][ T32] r4:84ab5800 [ 1350.246875][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.246932][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.246975][ T32] r4:00000001 [ 1350.247004][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.247058][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.247093][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.247125][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.247155][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.247207][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.247245][ T32] r4:84ab0640 [ 1350.247270][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.247301][ T32] INFO: task kworker/0:312:5876 blocked for more than 476 seconds. [ 1350.247334][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.247362][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.247396][ T32] task:kworker/0:312 state:D stack:0 pid:5876 tgid:5876 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.247451][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.247507][ T32] Call trace: [ 1350.247577][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.247645][ T32] r10:8291a684 r9:ebb29d84 r8:00000002 r7:60000113 r6:ebb29d8c r5:858ad400 [ 1350.247674][ T32] r4:858ad400 [ 1350.247697][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.247762][ T32] r5:858ad400 r4:8291a680 [ 1350.247789][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.247833][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.247901][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb29e08 [ 1350.247932][ T32] r4:00000000 [ 1350.247954][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.247993][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.248031][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.248079][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509d9c0 [ 1350.248103][ T32] r4:00000000 [ 1350.248125][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.248172][ T32] r9:83018005 r8:858ad400 r7:00000000 r6:83018000 r5:00001000 r4:7f08b000 [ 1350.248252][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.248332][ T32] r5:00001000 r4:ea9d3000 [ 1350.248392][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.248441][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.248490][ T32] r5:8588cb8c r4:8588c800 [ 1350.248607][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.248676][ T32] r7:dddced80 r6:83018000 r5:8588cb8c r4:85724900 [ 1350.248700][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.248753][ T32] r10:61c88647 r9:858ad400 r8:8572492c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.248777][ T32] r4:85724900 [ 1350.248830][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.248885][ T32] r10:00000000 r9:85724900 r8:80287e08 r7:ebb21e60 r6:85724980 r5:858ad400 [ 1350.248911][ T32] r4:00000001 [ 1350.248932][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.249003][ T32] Exception stack(0xebb29fb0 to 0xebb29ff8) [ 1350.249040][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.249072][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.249101][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.249136][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.249194][ T32] r4:8509d900 [ 1350.280812][ T32] INFO: task kworker/0:312:5876 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.281026][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.281167][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.281293][ T32] Call trace: [ 1350.281342][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.281465][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.281499][ T32] r4:00000000 [ 1350.281527][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.281581][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.281632][ T32] dd20: da4c6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.281700][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.281749][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.281782][ T32] r5:800d0013 r4:80239bb0 [ 1350.281810][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.281872][ T32] r4:82ac21e4 [ 1350.281925][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.282039][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.282101][ T32] r4:e044ddc0 [ 1350.282151][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.282225][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.282274][ T32] r4:00000000 [ 1350.282347][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.282461][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.282513][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.282615][ T32] r5:00001000 r4:ed353000 [ 1350.282674][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.282762][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.282863][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.282912][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.283021][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.283075][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.283164][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.283226][ T32] r4:84ab5800 [ 1350.283303][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.283389][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.283447][ T32] r4:00000001 [ 1350.283475][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.283522][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.283582][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.283626][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.283664][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.283745][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.283840][ T32] r4:84ab0640 [ 1350.283900][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.283972][ T32] INFO: task kworker/0:313:5880 blocked for more than 476 seconds. [ 1350.284099][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.284144][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.284171][ T32] task:kworker/0:313 state:D stack:0 pid:5880 tgid:5880 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.284338][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.284399][ T32] Call trace: [ 1350.284466][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.284576][ T32] r10:8291a684 r9:ebb81d84 r8:00000002 r7:60000113 r6:ebb81d8c r5:858ae000 [ 1350.284609][ T32] r4:858ae000 [ 1350.284642][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.284694][ T32] r5:858ae000 r4:8291a680 [ 1350.284764][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.284826][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.284923][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb81e08 [ 1350.284978][ T32] r4:00000000 [ 1350.285020][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.285063][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.285104][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.285206][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509de40 [ 1350.285282][ T32] r4:00000000 [ 1350.285318][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.285416][ T32] r9:83018005 r8:858ae000 r7:00000000 r6:83018000 r5:00001000 r4:7f0e7000 [ 1350.285445][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.285522][ T32] r5:00001000 r4:eb2ef000 [ 1350.285553][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.285614][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.285678][ T32] r5:8588d78c r4:8588d400 [ 1350.285751][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.285880][ T32] r7:dddced80 r6:83018000 r5:8588d78c r4:85724a00 [ 1350.285955][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.286068][ T32] r10:61c88647 r9:858ae000 r8:85724a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.286122][ T32] r4:85724a00 [ 1350.286168][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.286291][ T32] r10:00000000 r9:85724a00 r8:80287e08 r7:ebb21e60 r6:85724a80 r5:858ae000 [ 1350.286324][ T32] r4:00000001 [ 1350.286351][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.286398][ T32] Exception stack(0xebb81fb0 to 0xebb81ff8) [ 1350.286486][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1350.286553][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.286589][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.286628][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.286655][ T32] r4:8509d940 [ 1350.286979][ T32] INFO: task kworker/0:313:5880 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.287024][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.287133][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.287226][ T32] Call trace: [ 1350.287306][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.287423][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.287510][ T32] r4:00000000 [ 1350.287586][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.287693][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.287773][ T32] dd20: da4c6000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.287845][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.287926][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.287993][ T32] r5:800d0013 r4:80239bb0 [ 1350.288046][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.288100][ T32] r4:82ac21e4 [ 1350.288125][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.288174][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.288217][ T32] r4:e044ddc0 [ 1350.288270][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.288346][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.288388][ T32] r4:00000000 [ 1350.288462][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.288604][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.288667][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.288758][ T32] r5:00001000 r4:ed353000 [ 1350.288806][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.288904][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.289004][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.289054][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.289166][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.289225][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.314341][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.314550][ T32] r4:84ab5800 [ 1350.314626][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.314766][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.314815][ T32] r4:00000001 [ 1350.314873][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.314975][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.315067][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.315132][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.315191][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.315250][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.315295][ T32] r4:84ab0640 [ 1350.315359][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.315428][ T32] INFO: task kworker/0:314:5881 blocked for more than 476 seconds. [ 1350.315492][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.315540][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.315614][ T32] task:kworker/0:314 state:D stack:0 pid:5881 tgid:5881 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.315751][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.315939][ T32] Call trace: [ 1350.316015][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.316126][ T32] r10:8291a684 r9:ebb89d84 r8:00000002 r7:60000113 r6:ebb89d8c r5:858aec00 [ 1350.316197][ T32] r4:858aec00 [ 1350.316243][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.316340][ T32] r5:858aec00 r4:8291a680 [ 1350.316389][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.316466][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.316571][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb89e08 [ 1350.316622][ T32] r4:00000000 [ 1350.316670][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.316749][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.316830][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.316925][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509dc80 [ 1350.316977][ T32] r4:00000000 [ 1350.317022][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.317141][ T32] r9:83018005 r8:858aec00 r7:00000000 r6:83018000 r5:00001000 r4:7f0e5000 [ 1350.317218][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.317320][ T32] r5:00001000 r4:eb0bd000 [ 1350.317391][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.317484][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.317576][ T32] r5:8588d38c r4:8588d000 [ 1350.317637][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.317732][ T32] r7:dddced80 r6:83018000 r5:8588d38c r4:85724b00 [ 1350.317776][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.317896][ T32] r10:61c88647 r9:858aec00 r8:85724b2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.317951][ T32] r4:85724b00 [ 1350.318078][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.318192][ T32] r10:00000000 r9:85724b00 r8:80287e08 r7:ebb81e60 r6:85724b80 r5:858aec00 [ 1350.318253][ T32] r4:00000001 [ 1350.318320][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.318395][ T32] Exception stack(0xebb89fb0 to 0xebb89ff8) [ 1350.318451][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.318509][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.318568][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.318628][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.318671][ T32] r4:8509db00 [ 1350.327951][ T32] INFO: task kworker/0:314:5881 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.328119][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.328259][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.328376][ T32] Call trace: [ 1350.328442][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.328579][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.328630][ T32] r4:00000000 [ 1350.328672][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.328769][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.328835][ T32] dd20: da885000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.328898][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.328957][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.329016][ T32] r5:800d0013 r4:80239bb0 [ 1350.329063][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.329149][ T32] r4:82ac21e4 [ 1350.329194][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.334608][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.334787][ T32] r4:e044ddc0 [ 1350.334855][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.334988][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.335047][ T32] r4:00000000 [ 1350.335119][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.335256][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.335324][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.335456][ T32] r5:00001000 r4:ed353000 [ 1350.335512][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.335614][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.335721][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.335780][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.335891][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.335946][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.336051][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.336106][ T32] r4:84ab5800 [ 1350.336159][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.336282][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.336349][ T32] r4:00000001 ** 1 printk messages dropped ** [ 1350.336488][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 2 printk messages dropped ** [ 1350.336757][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1350.337241][ T32] task:kworker/0:315 state:D stack:0 pid:5884 tgid:5884 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1350.337908][ T32] r5:858aa400 r4:8291a680 ** 1 printk messages dropped ** [ 1350.338089][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1350.338453][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1350.338830][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.338938][ T32] r5:00001000 r4:eb841000 [ 1350.338987][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.339071][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.339158][ T32] r5:8588e78c r4:8588e400 [ 1350.339204][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.358528][ T32] r7:dddced80 r6:83018000 r5:8588e78c r4:85724c00 [ 1350.358635][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.358787][ T32] r10:61c88647 r9:858aa400 r8:85724c2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.358841][ T32] r4:85724c00 [ 1350.358888][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.358989][ T32] r10:00000000 r9:85724c00 r8:80287e08 r7:ebb81e60 r6:85724c80 r5:858aa400 [ 1350.359052][ T32] r4:00000001 [ 1350.359096][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.359187][ T32] Exception stack(0xebb99fb0 to 0xebb99ff8) [ 1350.359252][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.359830][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.359922][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.359991][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.360071][ T32] r4:8509dcc0 [ 1350.360879][ T32] INFO: task kworker/0:315:5884 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.360960][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.361152][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.361304][ T32] Call trace: [ 1350.361402][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.361516][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.361567][ T32] r4:00000000 [ 1350.361614][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.361699][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.361759][ T32] dd20: da9c8000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.361859][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.361925][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.361978][ T32] r5:800d0013 r4:80239bb0 [ 1350.362073][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.362170][ T32] r4:82ac21e4 [ 1350.362229][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.362332][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.362407][ T32] r4:e044ddc0 [ 1350.362466][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.362581][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.362639][ T32] r4:00000000 [ 1350.362686][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.362783][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.362851][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.362947][ T32] r5:00001000 r4:ed353000 [ 1350.362995][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.363079][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.363166][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.363213][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.363310][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.363394][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.363504][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.363569][ T32] r4:84ab5800 [ 1350.363621][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.363720][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.363796][ T32] r4:00000001 [ 1350.363878][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.363963][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.364021][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.364120][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.364218][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.364293][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.364346][ T32] r4:84ab0640 [ 1350.364405][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.364468][ T32] INFO: task kworker/0:316:5885 blocked for more than 476 seconds. [ 1350.364587][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.364723][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.364781][ T32] task:kworker/0:316 state:D stack:0 pid:5885 tgid:5885 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.364887][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.365023][ T32] Call trace: [ 1350.365110][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.365209][ T32] r10:8291a684 r9:ebc89d84 r8:00000002 r7:60000013 r6:ebc89d8c r5:84ad0c00 [ 1350.365276][ T32] r4:84ad0c00 [ 1350.365328][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.365451][ T32] r5:84ad0c00 r4:8291a680 [ 1350.365533][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.365640][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.365741][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc89e08 [ 1350.365796][ T32] r4:00000000 [ 1350.365842][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.365920][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.366003][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.366095][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8509df80 [ 1350.366148][ T32] r4:00000000 [ 1350.366202][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.366305][ T32] r9:83018005 r8:84ad0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0e9000 [ 1350.366374][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.366477][ T32] r5:00001000 r4:eb4c1000 [ 1350.366529][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.366615][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.366711][ T32] r5:8588db8c r4:8588d800 [ 1350.366760][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.366871][ T32] r7:dddced80 r6:83018000 r5:8588db8c r4:85724d00 [ 1350.366921][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.367046][ T32] r10:61c88647 r9:84ad0c00 r8:85724d2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.367117][ T32] r4:85724d00 [ 1350.367171][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.367274][ T32] r10:00000000 r9:85724d00 r8:80287e08 r7:ebb99e60 r6:85724d80 r5:84ad0c00 [ 1350.367329][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1350.367620][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1350.367809][ T32] r4:8509de00 ** 2 printk messages dropped ** [ 1350.368644][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1350.369040][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1350.369197][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 3 printk messages dropped ** [ 1350.398986][ T32] r5:800d0013 r4:80239bb0 ** 3 printk messages dropped ** [ 1350.399153][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 3 printk messages dropped ** [ 1350.400055][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1350.400242][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.400348][ T32] r5:00001000 r4:ed353000 [ 1350.400409][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.400526][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.400636][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.400677][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.400729][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.400751][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.400857][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.400899][ T32] r4:84ab5800 [ 1350.400922][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.400972][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.400995][ T32] r4:00000001 [ 1350.401016][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.401055][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.401085][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.401176][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.401210][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.401292][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.401320][ T32] r4:84ab0640 [ 1350.401393][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.401455][ T32] INFO: task kworker/0:317:5888 blocked for more than 476 seconds. [ 1350.401495][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.401538][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.401567][ T32] task:kworker/0:317 state:D stack:0 pid:5888 tgid:5888 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.401645][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.401693][ T32] Call trace: [ 1350.401727][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.401781][ T32] r10:8291a684 r9:ebc8dd84 r8:00000002 r7:60000113 r6:ebc8dd8c r5:84708000 [ 1350.401810][ T32] r4:84708000 [ 1350.401846][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.401894][ T32] r5:84708000 r4:8291a680 [ 1350.401942][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.401989][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.402059][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc8de08 [ 1350.402103][ T32] r4:00000000 [ 1350.402128][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.402166][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.402202][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.402244][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85727f40 [ 1350.402267][ T32] r4:00000000 [ 1350.402286][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.402330][ T32] r9:83018005 r8:84708000 r7:00000000 r6:83018000 r5:00001000 r4:7f0eb000 [ 1350.402354][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.402424][ T32] r5:00001000 r4:eb6b1000 [ 1350.402467][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.402511][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.402555][ T32] r5:8588df8c r4:8588dc00 [ 1350.402585][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.402656][ T32] r7:dddced80 r6:83018000 r5:8588df8c r4:85724e00 [ 1350.402725][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.402819][ T32] r10:61c88647 r9:84708000 r8:85724e2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.402859][ T32] r4:85724e00 [ 1350.402909][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.402977][ T32] r10:00000000 r9:85724e00 r8:80287e08 r7:ebb99e60 r6:85724e80 r5:84708000 [ 1350.403004][ T32] r4:00000001 [ 1350.403024][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.403060][ T32] Exception stack(0xebc8dfb0 to 0xebc8dff8) [ 1350.403087][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.403118][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.403144][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.403175][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.403198][ T32] r4:8570e080 [ 1350.403661][ T32] INFO: task kworker/0:317:5888 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.403709][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.403806][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.403877][ T32] Call trace: [ 1350.403914][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.403970][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.404056][ T32] r4:00000000 [ 1350.404085][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.404153][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.404186][ T32] dd20: dae01000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.404217][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.404243][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.404293][ T32] r5:800d0013 r4:80239bb0 [ 1350.404323][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.404386][ T32] r4:82ac21e4 [ 1350.404440][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.404527][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.404582][ T32] r4:e044ddc0 [ 1350.404635][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.404684][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.404735][ T32] r4:00000000 [ 1350.404760][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.404810][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.404833][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.404882][ T32] r5:00001000 r4:ed353000 [ 1350.404906][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.404948][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.404990][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.405010][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.405058][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.405081][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1350.405253][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1350.405416][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1350.405666][ T32] INFO: task kworker/0:318:5889 blocked for more than 476 seconds. ** 3 printk messages dropped ** [ 1350.406024][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1350.406349][ T32] r5:84708c00 r4:8291a680 ** 2 printk messages dropped ** [ 1350.406462][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc91e08 ** 3 printk messages dropped ** [ 1350.406599][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1350.406818][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1350.407000][ T32] r5:8588e38c r4:8588e000 ** 3 printk messages dropped ** [ 1350.407174][ T32] r10:61c88647 r9:84708c00 r8:85724f2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 2 printk messages dropped ** [ 1350.407339][ T32] r10:00000000 r9:85724f00 r8:80287e08 r7:ebb99e60 r6:85724f80 r5:84708c00 [ 1350.407379][ T32] r4:00000001 [ 1350.407403][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.407450][ T32] Exception stack(0xebc91fb0 to 0xebc91ff8) [ 1350.407504][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1350.407582][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.407647][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.407717][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.407763][ T32] r4:8570e080 [ 1350.408087][ T32] INFO: task kworker/0:318:5889 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.408156][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.408277][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.408392][ T32] Call trace: [ 1350.408462][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.408600][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.408676][ T32] r4:00000000 [ 1350.408740][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.408840][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.408907][ T32] dd20: dae01000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.408975][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.409032][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.409105][ T32] r5:800d0013 r4:80239bb0 [ 1350.409159][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.443438][ T32] r4:82ac21e4 [ 1350.443594][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.443789][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.443850][ T32] r4:e044ddc0 [ 1350.443894][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.443982][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.444029][ T32] r4:00000000 [ 1350.444070][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.444163][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.444208][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.444297][ T32] r5:00001000 r4:ed353000 [ 1350.444368][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.444480][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.444606][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.444654][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.444749][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.444794][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.444888][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.444950][ T32] r4:84ab5800 [ 1350.444999][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.445091][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.445162][ T32] r4:00000001 [ 1350.445210][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.445296][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.445382][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.445461][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.445522][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.445582][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.445644][ T32] r4:84ab0640 [ 1350.445711][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.445839][ T32] INFO: task kworker/0:319:5891 blocked for more than 476 seconds. [ 1350.445929][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.445988][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.446039][ T32] task:kworker/0:319 state:D stack:0 pid:5891 tgid:5891 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.446186][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.446296][ T32] Call trace: [ 1350.446442][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.446554][ T32] r10:8291a684 r9:ebc9dd84 r8:00000002 r7:60000013 r6:ebc9dd8c r5:84709800 [ 1350.446617][ T32] r4:84709800 [ 1350.446711][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.446852][ T32] r5:84709800 r4:8291a680 [ 1350.446940][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.447034][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.447125][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc9de08 [ 1350.447180][ T32] r4:00000000 [ 1350.447230][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.447339][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.447490][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.447591][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8570e500 [ 1350.447648][ T32] r4:00000000 [ 1350.447720][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.447826][ T32] r9:83018005 r8:84709800 r7:00000000 r6:83018000 r5:00001000 r4:7f0f1000 [ 1350.447883][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.447996][ T32] r5:00001000 r4:eba0b000 [ 1350.448069][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.448197][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.448305][ T32] r5:8588eb8c r4:8588e800 [ 1350.448388][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.448534][ T32] r7:dddced80 r6:83018000 r5:8588eb8c r4:85711000 [ 1350.448590][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.448696][ T32] r10:61c88647 r9:84709800 r8:8571102c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.448761][ T32] r4:85711000 [ 1350.448811][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.448908][ T32] r10:00000000 r9:85711000 r8:80287e08 r7:ebb99e60 r6:85711080 r5:84709800 [ 1350.448981][ T32] r4:00000001 [ 1350.449041][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.449130][ T32] Exception stack(0xebc9dfb0 to 0xebc9dff8) [ 1350.449189][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.449301][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.463553][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.463686][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.463741][ T32] r4:8570e2c0 [ 1350.464540][ T32] INFO: task kworker/0:319:5891 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.464653][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.464890][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.465085][ T32] Call trace: [ 1350.465185][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.465309][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.465388][ T32] r4:00000000 [ 1350.465467][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.465594][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.465665][ T32] dd20: db3c4000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.465732][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.465863][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.465941][ T32] r5:800d0013 r4:80239bb0 [ 1350.466004][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.466099][ T32] r4:82ac21e4 [ 1350.466164][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.466263][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.466314][ T32] r4:e044ddc0 [ 1350.466390][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.466493][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.466550][ T32] r4:00000000 [ 1350.466599][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.466704][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.466783][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.466892][ T32] r5:00001000 r4:ed353000 [ 1350.466937][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.467020][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1350.467451][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1350.467706][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1350.467903][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1350.468182][ T32] r4:84ab0640 ** 2 printk messages dropped ** [ 1350.468396][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 2 printk messages dropped ** [ 1350.468667][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.468776][ T32] Call trace: [ 1350.468844][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.468967][ T32] r10:8291a684 r9:ec569d84 r8:00000002 r7:60000113 r6:ec569d8c r5:8470a400 [ 1350.469024][ T32] r4:8470a400 [ 1350.469075][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.469167][ T32] r5:8470a400 r4:8291a680 [ 1350.469296][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.490302][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.490481][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec569e08 [ 1350.490530][ T32] r4:00000000 [ 1350.490573][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.490645][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.490721][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.490824][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8570e640 [ 1350.490902][ T32] r4:00000000 [ 1350.490973][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.491079][ T32] r9:83018005 r8:8470a400 r7:00000000 r6:83018000 r5:00001000 r4:7f0f3000 [ 1350.491135][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.491230][ T32] r5:00001000 r4:eba31000 [ 1350.491336][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.491448][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.491536][ T32] r5:8588ef8c r4:8588ec00 [ 1350.491586][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.491702][ T32] r7:dddced80 r6:83018000 r5:8588ef8c r4:85711100 [ 1350.491781][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.491886][ T32] r10:61c88647 r9:8470a400 r8:8571112c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.491941][ T32] r4:85711100 [ 1350.492008][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.492118][ T32] r10:00000000 r9:85711100 r8:80287e08 r7:ebc9de60 r6:85711180 r5:8470a400 [ 1350.492169][ T32] r4:00000001 [ 1350.492214][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.492295][ T32] Exception stack(0xec569fb0 to 0xec569ff8) [ 1350.492384][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.492455][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.492542][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.492608][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.492665][ T32] r4:8570e300 [ 1350.493387][ T32] INFO: task kworker/0:320:5893 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.493456][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.493649][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.493780][ T32] Call trace: [ 1350.493899][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.494005][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.494061][ T32] r4:00000000 [ 1350.494120][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.494213][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.494293][ T32] dd20: db56e000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.494381][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.494438][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.494527][ T32] r5:800d0013 r4:80239bb0 [ 1350.494598][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.494685][ T32] r4:82ac21e4 [ 1350.494727][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.494830][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.494904][ T32] r4:e044ddc0 [ 1350.494952][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.495055][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.495105][ T32] r4:00000000 [ 1350.495144][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.495230][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.495271][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.495391][ T32] r5:00001000 r4:ed353000 [ 1350.495438][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.495517][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.495594][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.495635][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.495721][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.495775][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.495880][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.495947][ T32] r4:84ab5800 [ 1350.496019][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.496121][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.496198][ T32] r4:00000001 [ 1350.496248][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.496318][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.496384][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.496454][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.496530][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.496594][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.496640][ T32] r4:84ab0640 [ 1350.496684][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.496770][ T32] INFO: task kworker/0:321:5895 blocked for more than 476 seconds. [ 1350.496838][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.496886][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.496950][ T32] task:kworker/0:321 state:D stack:0 pid:5895 tgid:5895 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.497064][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.497175][ T32] Call trace: [ 1350.497257][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.497364][ T32] r10:8291a684 r9:ec571d84 r8:00000002 r7:60000113 r6:ec571d8c r5:8470b000 [ 1350.497414][ T32] r4:8470b000 [ 1350.497456][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.497535][ T32] r5:8470b000 r4:8291a680 [ 1350.497575][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.497647][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.497750][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec571e08 [ 1350.497801][ T32] r4:00000000 [ 1350.497840][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.497907][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.497970][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.498063][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8570e800 [ 1350.498109][ T32] r4:00000000 [ 1350.498148][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.498244][ T32] r9:83018005 r8:8470b000 r7:00000000 r6:83018000 r5:00001000 r4:7f0f5000 [ 1350.498351][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1350.498699][ T32] r5:8588f38c r4:8588f000 [ 1350.498746][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1350.499005][ T32] r4:85711200 ** 5 printk messages dropped ** [ 1350.531374][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1350.532696][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1350.533294][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1350.534111][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1350.534449][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1350.535079][ T32] r5:00001000 r4:ed353000 ** 6 printk messages dropped ** [ 1350.535732][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1350.535968][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.536050][ T32] r4:00000001 [ 1350.536130][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.536218][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.536286][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.536361][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.536419][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.536478][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.536561][ T32] r4:84ab0640 [ 1350.536617][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.536690][ T32] INFO: task kworker/0:322:5898 blocked for more than 476 seconds. [ 1350.536769][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.536825][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.536880][ T32] task:kworker/0:322 state:D stack:0 pid:5898 tgid:5898 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.536996][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.537095][ T32] Call trace: [ 1350.537181][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.537287][ T32] r10:8291a684 r9:ec581d84 r8:00000002 r7:60000113 r6:ec581d8c r5:8470bc00 [ 1350.537351][ T32] r4:8470bc00 [ 1350.537398][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.537491][ T32] r5:8470bc00 r4:8291a680 [ 1350.537535][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.537619][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.537711][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec581e08 [ 1350.537761][ T32] r4:00000000 [ 1350.537803][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.537878][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.537956][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.538075][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8570e940 [ 1350.538135][ T32] r4:00000000 [ 1350.538181][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.538276][ T32] r9:83018005 r8:8470bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f0f7000 [ 1350.538362][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.538455][ T32] r5:00001000 r4:ebaa1000 [ 1350.538504][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.538589][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.538678][ T32] r5:8588f78c r4:8588f400 [ 1350.538724][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.538827][ T32] r7:dddced80 r6:83018000 r5:8588f78c r4:85711300 [ 1350.538878][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.538978][ T32] r10:61c88647 r9:8470bc00 r8:8571132c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.539029][ T32] r4:85711300 [ 1350.539072][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.539250][ T32] r10:00000000 r9:85711300 r8:80287e08 r7:ec571e60 r6:85711380 r5:8470bc00 [ 1350.561409][ T32] r4:00000001 [ 1350.561527][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.561664][ T32] Exception stack(0xec581fb0 to 0xec581ff8) [ 1350.561730][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1350.561792][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.561849][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.561914][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.561997][ T32] r4:8570e680 [ 1350.562797][ T32] INFO: task kworker/0:322:5898 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.562896][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.563052][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.563213][ T32] Call trace: [ 1350.563365][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.563493][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.563548][ T32] r4:00000000 [ 1350.563618][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.563707][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.563766][ T32] dd20: dbb50000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.563831][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.563886][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.563935][ T32] r5:800d0013 r4:80239bb0 [ 1350.563977][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.564063][ T32] r4:82ac21e4 [ 1350.564107][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.564190][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.564237][ T32] r4:e044ddc0 [ 1350.564279][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.564376][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.564429][ T32] r4:00000000 [ 1350.564479][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.564635][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.564698][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.564794][ T32] r5:00001000 r4:ed353000 [ 1350.564842][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1350.565194][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1350.565595][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 3 printk messages dropped ** [ 1350.565913][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1350.566155][ T32] r4:84ab0640 ** 1 printk messages dropped ** [ 1350.566298][ T32] INFO: task kworker/0:323:5899 blocked for more than 476 seconds. ** 3 printk messages dropped ** [ 1350.566619][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1350.566950][ T32] r4:8470c800 ** 2 printk messages dropped ** [ 1350.567173][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 5 printk messages dropped ** [ 1350.567605][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1350.567969][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1350.568293][ T32] r5:8588fb8c r4:8588f800 [ 1350.568366][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.568466][ T32] r7:dddced80 r6:83018000 r5:8588fb8c r4:85711400 ** 1 printk messages dropped ** [ 1350.568716][ T32] r10:61c88647 r9:8470c800 r8:8571142c r7:82804d40 r6:dddced80 r5:dddceda0 ** 4 printk messages dropped ** [ 1350.569051][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 4 printk messages dropped ** [ 1350.610525][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 3 printk messages dropped ** [ 1350.611618][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.611767][ T32] Call trace: [ 1350.611882][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.611991][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.612063][ T32] r4:00000000 [ 1350.612128][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.612215][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.612271][ T32] dd20: dbf03000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.612337][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.612540][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.612609][ T32] r5:800d0013 r4:80239bb0 [ 1350.612655][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.612738][ T32] r4:82ac21e4 [ 1350.612779][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.612878][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.612952][ T32] r4:e044ddc0 [ 1350.613008][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.613095][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.613140][ T32] r4:00000000 [ 1350.613180][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.613278][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.613340][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.613428][ T32] r5:00001000 r4:ed353000 [ 1350.613488][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.613575][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.613661][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.613703][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.613811][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.613861][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.613954][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.613999][ T32] r4:84ab5800 [ 1350.614055][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.614150][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.614222][ T32] r4:00000001 [ 1350.614267][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.614357][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.614413][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.614469][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.614520][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.614597][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.614647][ T32] r4:84ab0640 [ 1350.614704][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.614765][ T32] INFO: task kworker/0:324:5901 blocked for more than 477 seconds. [ 1350.614828][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.614875][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.614918][ T32] task:kworker/0:324 state:D stack:0 pid:5901 tgid:5901 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.615001][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.615079][ T32] Call trace: [ 1350.615137][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.615224][ T32] r10:8291a684 r9:ec8d9d84 r8:00000002 r7:60000013 r6:ec8d9d8c r5:8470d400 [ 1350.615267][ T32] r4:8470d400 [ 1350.615308][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.615395][ T32] r5:8470d400 r4:8291a680 [ 1350.615434][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.615525][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.615614][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8d9e08 [ 1350.615675][ T32] r4:00000000 [ 1350.615719][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.615796][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.615872][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.615958][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8570ec40 [ 1350.616026][ T32] r4:00000000 [ 1350.616091][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1350.616490][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.616594][ T32] r5:8588ff8c r4:8588fc00 ** 1 printk messages dropped ** [ 1350.616736][ T32] r7:dddced80 r6:83018000 r5:8588ff8c r4:85711500 ** 6 printk messages dropped ** [ 1350.617175][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1350.618122][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1350.630398][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 7 printk messages dropped ** [ 1350.631123][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1350.631799][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1350.632242][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 6 printk messages dropped ** [ 1350.632869][ T32] INFO: task kworker/0:325:5902 blocked for more than 477 seconds. ** 7 printk messages dropped ** [ 1350.633497][ T32] r4:8470e000 ** 3 printk messages dropped ** [ 1350.633754][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1350.634420][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1350.634728][ T32] r5:858d038c r4:858d0000 ** 3 printk messages dropped ** [ 1350.634995][ T32] r10:61c88647 r9:8470e000 r8:8571162c r7:82804d40 r6:dddced80 r5:dddceda0 ** 6 printk messages dropped ** [ 1350.635459][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1350.636768][ T32] Call trace: ** 4 printk messages dropped ** [ 1350.637124][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 1 printk messages dropped ** [ 1350.637265][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.637322][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.637370][ T32] r5:800d0013 r4:80239bb0 [ 1350.637412][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.637507][ T32] r4:82ac21e4 [ 1350.637576][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.637724][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.637842][ T32] r4:e044ddc0 [ 1350.637902][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.637988][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.638036][ T32] r4:00000000 [ 1350.638093][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.638189][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.638240][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.638359][ T32] r5:00001000 r4:ed353000 [ 1350.638420][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.638505][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.638595][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.638636][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.638727][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.638772][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.638861][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.638927][ T32] r4:84ab5800 [ 1350.638972][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.639077][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.639127][ T32] r4:00000001 [ 1350.639167][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.639319][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.670156][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.670222][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.670276][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.670321][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.670395][ T32] r4:84ab0640 [ 1350.670476][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.670570][ T32] INFO: task kworker/0:326:5905 blocked for more than 477 seconds. [ 1350.670645][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.670705][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.670761][ T32] task:kworker/0:326 state:D stack:0 pid:5905 tgid:5905 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.670838][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.670909][ T32] Call trace: [ 1350.670947][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.671034][ T32] r10:8291a684 r9:ec8ddd84 r8:00000002 r7:60000113 r6:ec8ddd8c r5:8470ec00 [ 1350.671088][ T32] r4:8470ec00 [ 1350.671121][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.671178][ T32] r5:8470ec00 r4:8291a680 [ 1350.671202][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.671262][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.671325][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8dde08 [ 1350.671359][ T32] r4:00000000 [ 1350.671402][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.671499][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.671548][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.671636][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8570ef00 [ 1350.671692][ T32] r4:00000000 [ 1350.671739][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.671808][ T32] r9:83018005 r8:8470ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f0ff000 [ 1350.671836][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.671887][ T32] r5:00001000 r4:ebbd5000 [ 1350.671912][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.671956][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.672039][ T32] r5:858d078c r4:858d0400 [ 1350.672084][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.672194][ T32] r7:dddced80 r6:83018000 r5:858d078c r4:85711700 [ 1350.672252][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.672363][ T32] r10:61c88647 r9:8470ec00 r8:8571172c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.672419][ T32] r4:85711700 [ 1350.672481][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.672581][ T32] r10:00000000 r9:85711700 r8:80287e08 r7:ec87de60 r6:85711780 r5:8470ec00 [ 1350.672625][ T32] r4:00000001 [ 1350.672655][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.672700][ T32] Exception stack(0xec8ddfb0 to 0xec8ddff8) [ 1350.672760][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.672825][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.672939][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.672976][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.673023][ T32] r4:8570edc0 [ 1350.673477][ T32] INFO: task kworker/0:326:5905 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.673521][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.673588][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.673714][ T32] Call trace: [ 1350.673777][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.673846][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 2 printk messages dropped ** [ 1350.673985][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 3 printk messages dropped ** [ 1350.674150][ T32] r5:800d0013 r4:80239bb0 [ 1350.674222][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.674310][ T32] r4:82ac21e4 [ 1350.674366][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.674461][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.674544][ T32] r4:e044ddc0 [ 1350.674606][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.674714][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.674768][ T32] r4:00000000 [ 1350.674826][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.674923][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.674969][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.675048][ T32] r5:00001000 r4:ed353000 [ 1350.675098][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.675147][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.675246][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.675289][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.675507][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.675790][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.675957][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.676027][ T32] r4:84ab5800 [ 1350.676078][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.676194][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.676262][ T32] r4:00000001 [ 1350.676331][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.676554][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.676643][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.676720][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.676773][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.676826][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.676855][ T32] r4:84ab0640 [ 1350.676879][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.676915][ T32] INFO: task kworker/0:327:5907 blocked for more than 477 seconds. [ 1350.676948][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.676975][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.677038][ T32] task:kworker/0:327 state:D stack:0 pid:5907 tgid:5907 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.677128][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.677217][ T32] Call trace: [ 1350.677276][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.677335][ T32] r10:8291a684 r9:ec8e5d84 r8:00000002 r7:60000113 r6:ec8e5d8c r5:858b0000 [ 1350.677365][ T32] r4:858b0000 [ 1350.677390][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.677440][ T32] r5:858b0000 r4:8291a680 [ 1350.677460][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.677498][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.677556][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8e5e08 ** 4 printk messages dropped ** [ 1350.677810][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84699000 ** 4 printk messages dropped ** [ 1350.677981][ T32] r5:00001000 r4:ebbed000 [ 1350.678001][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.678040][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.678081][ T32] r5:858d0b8c r4:858d0800 [ 1350.678112][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.678164][ T32] r7:dddced80 r6:83018000 r5:858d0b8c r4:85711800 [ 1350.678186][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.678233][ T32] r10:61c88647 r9:858b0000 r8:8571182c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.678261][ T32] r4:85711800 [ 1350.678342][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.678414][ T32] r10:00000000 r9:85711800 r8:80287e08 r7:ec8dde60 r6:85711880 r5:858b0000 [ 1350.678451][ T32] r4:00000001 [ 1350.678473][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.678524][ T32] Exception stack(0xec8e5fb0 to 0xec8e5ff8) [ 1350.678553][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1350.678582][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.678611][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.678642][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.678689][ T32] r4:8570ecc0 [ 1350.678950][ T32] INFO: task kworker/0:327:5907 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.678987][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.679104][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.679203][ T32] Call trace: [ 1350.702499][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.702617][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.702655][ T32] r4:00000000 [ 1350.702678][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.702723][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.702757][ T32] dd20: dc5ff000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.702789][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 1 printk messages dropped ** [ 1350.702867][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1350.703186][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 11 printk messages dropped ** [ 1350.703873][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1350.704208][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1350.704612][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1350.704910][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1350.705097][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.705138][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856ad100 [ 1350.705160][ T32] r4:00000000 [ 1350.705179][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.705222][ T32] r9:83018005 r8:858b0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f103000 [ 1350.705244][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.705284][ T32] r5:00001000 r4:ebc81000 [ 1350.705315][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.705369][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.705413][ T32] r5:858d0f8c r4:858d0c00 [ 1350.705434][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.705479][ T32] r7:dddced80 r6:83018000 r5:858d0f8c r4:85711900 [ 1350.705500][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.705572][ T32] r10:61c88647 r9:858b0c00 r8:8571192c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.705626][ T32] r4:85711900 [ 1350.705651][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.705734][ T32] r10:00000000 r9:85711900 r8:80287e08 r7:ec8e5e60 r6:85711980 r5:858b0c00 [ 1350.705806][ T32] r4:00000001 [ 1350.705830][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.705893][ T32] Exception stack(0xec8e9fb0 to 0xec8e9ff8) [ 1350.705955][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.706013][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.706095][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.706160][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.706198][ T32] r4:856ad040 [ 1350.706649][ T32] INFO: task kworker/0:328:5909 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.706692][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.706752][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.706821][ T32] Call trace: [ 1350.706886][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.706977][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.707005][ T32] r4:00000000 [ 1350.707027][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.707067][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 3 printk messages dropped ** [ 1350.707204][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1350.707467][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 9 printk messages dropped ** [ 1350.707814][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1350.708035][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1350.708362][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1350.708912][ T32] r10:8291a684 r9:ec8edd84 r8:00000002 r7:60000113 r6:ec8edd8c r5:858b1800 ** 3 printk messages dropped ** [ 1350.709056][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1350.729904][ T32] r9:83018005 r8:858b1800 r7:00000000 r6:83018000 r5:00001000 r4:7f109000 ** 4 printk messages dropped ** [ 1350.730132][ T32] r5:858d1b8c r4:858d1800 ** 2 printk messages dropped ** [ 1350.730244][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 5 printk messages dropped ** [ 1350.730553][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1350.731226][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1350.731668][ T32] r5:800d0013 r4:80239bb0 ** 4 printk messages dropped ** [ 1350.731833][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1350.732135][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1350.732562][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.732590][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.732653][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.732702][ T32] r4:84ab5800 [ 1350.732726][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.732775][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.732823][ T32] r4:00000001 [ 1350.732846][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.732885][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.732935][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.732968][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.732995][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.733023][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.733048][ T32] r4:84ab0640 [ 1350.733068][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.733118][ T32] INFO: task kworker/0:330:5913 blocked for more than 477 seconds. [ 1350.733156][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.733181][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.733203][ T32] task:kworker/0:330 state:D stack:0 pid:5913 tgid:5913 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.733275][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.733317][ T32] Call trace: [ 1350.733346][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.733399][ T32] r10:8291a684 r9:ec8f1d84 r8:00000002 r7:60000013 r6:ec8f1d8c r5:858b2400 [ 1350.733480][ T32] r4:858b2400 [ 1350.733505][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.733551][ T32] r5:858b2400 r4:8291a680 [ 1350.733571][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.733609][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.733650][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8f1e08 [ 1350.733672][ T32] r4:00000000 [ 1350.733691][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.733724][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.733757][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.733796][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856ad380 [ 1350.733819][ T32] r4:00000000 [ 1350.733839][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.733882][ T32] r9:83018005 r8:858b2400 r7:00000000 r6:83018000 r5:00001000 r4:7f105000 [ 1350.733917][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.733962][ T32] r5:00001000 r4:ebcad000 [ 1350.733983][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.734021][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.734084][ T32] r5:858d138c r4:858d1000 [ 1350.734108][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.734156][ T32] r7:dddced80 r6:83018000 r5:858d138c r4:85711b00 [ 1350.734179][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.734225][ T32] r10:61c88647 r9:858b2400 r8:85711b2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.734258][ T32] r4:85711b00 [ 1350.734281][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.734351][ T32] r10:00000000 r9:85711b00 r8:80287e08 r7:ec8ede60 r6:85711b80 r5:858b2400 [ 1350.734381][ T32] r4:00000001 [ 1350.734400][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.734434][ T32] Exception stack(0xec8f1fb0 to 0xec8f1ff8) [ 1350.734460][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1350.734489][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.734516][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.734545][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.734581][ T32] r4:856ad200 [ 1350.734784][ T32] INFO: task kworker/0:330:5913 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.734818][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.735191][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.735238][ T32] Call trace: [ 1350.735268][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.735318][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.735368][ T32] r4:00000000 [ 1350.735399][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.735439][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.735467][ T32] dd20: dc962000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.735554][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.735588][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.735616][ T32] r5:800d0013 r4:80239bb0 [ 1350.735639][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.735680][ T32] r4:82ac21e4 [ 1350.735760][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.735808][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.735865][ T32] r4:e044ddc0 [ 1350.735889][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.735979][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.736092][ T32] r4:00000000 [ 1350.736117][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.736162][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.736183][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 1 printk messages dropped ** [ 1350.736244][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1350.736597][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1350.736808][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1350.737064][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1350.737726][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8f5e08 ** 9 printk messages dropped ** [ 1350.738267][ T32] r5:00001000 r4:ebcc5000 ** 2 printk messages dropped ** [ 1350.738399][ T32] r5:858d178c r4:858d1400 ** 2 printk messages dropped ** [ 1350.738508][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1350.739019][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1350.766808][ T32] Call trace: ** 4 printk messages dropped ** [ 1350.767195][ T32] Exception stack(0xe044dd28 to 0xe044dd70) ** 5 printk messages dropped ** [ 1350.767479][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1350.767725][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 ** 3 printk messages dropped ** [ 1350.767871][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.767970][ T32] r5:00001000 r4:ed353000 [ 1350.768030][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.768088][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.768131][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.768172][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.768259][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.768311][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.768454][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.768494][ T32] r4:84ab5800 [ 1350.768561][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.768617][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.768648][ T32] r4:00000001 [ 1350.768698][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.768777][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.768808][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.768837][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.768891][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.768952][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.769037][ T32] r4:84ab0640 [ 1350.769068][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.769098][ T32] INFO: task kworker/0:332:5917 blocked for more than 477 seconds. [ 1350.769131][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.769156][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.769175][ T32] task:kworker/0:332 state:D stack:0 pid:5917 tgid:5917 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.773362][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.773457][ T32] Call trace: [ 1350.773498][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.773555][ T32] r10:8291a684 r9:ec8f9d84 r8:00000002 r7:60000113 r6:ec8f9d8c r5:858b3c00 [ 1350.773579][ T32] r4:858b3c00 [ 1350.773599][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.773641][ T32] r5:858b3c00 r4:8291a680 [ 1350.773660][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.773698][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.773750][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8f9e08 [ 1350.773777][ T32] r4:00000000 [ 1350.773796][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.773830][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.773885][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.773931][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856ad940 [ 1350.773973][ T32] r4:00000000 [ 1350.773997][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.774044][ T32] r9:83018005 r8:858b3c00 r7:00000000 r6:83018000 r5:00001000 r4:7f10d000 [ 1350.774066][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.774108][ T32] r5:00001000 r4:ec6d3000 [ 1350.774128][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.774185][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.774233][ T32] r5:858d238c r4:858d2000 [ 1350.774253][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.774324][ T32] r7:dddced80 r6:83018000 r5:858d238c r4:85711d00 [ 1350.774368][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.774432][ T32] r10:61c88647 r9:858b3c00 r8:85711d2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.774455][ T32] r4:85711d00 [ 1350.774474][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.774520][ T32] r10:00000000 r9:85711d00 r8:80287e08 r7:ec8ede60 r6:85711d80 r5:858b3c00 [ 1350.774542][ T32] r4:00000001 [ 1350.774561][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.774597][ T32] Exception stack(0xec8f9fb0 to 0xec8f9ff8) [ 1350.774624][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.774653][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.774679][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.774708][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.774729][ T32] r4:856ad440 [ 1350.775101][ T32] INFO: task kworker/0:332:5917 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.775149][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.775236][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.775280][ T32] Call trace: [ 1350.775310][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.775360][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.775389][ T32] r4:00000000 [ 1350.775410][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.775449][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.775476][ T32] dd20: dcf61000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.775505][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.775530][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.775572][ T32] r5:800d0013 r4:80239bb0 [ 1350.775602][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 3 printk messages dropped ** [ 1350.775740][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1350.775904][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1350.776352][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1350.776578][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1350.776839][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1350.777154][ T32] r5:858b4800 r4:8291a680 ** 3 printk messages dropped ** [ 1350.777273][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1350.777463][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856ad800 ** 7 printk messages dropped ** [ 1350.777794][ T32] r5:858d1f8c r4:858d1c00 ** 1 printk messages dropped ** [ 1350.777857][ T32] r7:dddced80 r6:83018000 r5:858d1f8c r4:85711e00 ** 4 printk messages dropped ** [ 1350.778058][ T32] r10:00000000 r9:85711e00 r8:80287e08 r7:ec8f9e60 r6:85711e80 r5:858b4800 ** 9 printk messages dropped ** [ 1350.778707][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1350.779194][ T32] r5:800d0013 r4:80239bb0 ** 4 printk messages dropped ** [ 1350.795056][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1350.795334][ T32] r5:00001000 r4:ed353000 ** 4 printk messages dropped ** [ 1350.795512][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 5 printk messages dropped ** [ 1350.795712][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1350.795917][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1350.796105][ T32] task:kworker/0:334 state:D stack:0 pid:5921 tgid:5921 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1350.796338][ T32] r4:858b5400 [ 1350.796357][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.796405][ T32] r5:858b5400 r4:8291a680 [ 1350.796425][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.796463][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.796526][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec901e08 [ 1350.796600][ T32] r4:00000000 [ 1350.796624][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.796660][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.796693][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.796734][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856adac0 [ 1350.796756][ T32] r4:00000000 [ 1350.796775][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.796836][ T32] r9:83018005 r8:858b5400 r7:00000000 r6:83018000 r5:00001000 r4:7f10f000 [ 1350.796861][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.796904][ T32] r5:00001000 r4:ec6e3000 [ 1350.796924][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.796961][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.797001][ T32] r5:858d278c r4:858d2400 [ 1350.797020][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.797062][ T32] r7:dddced80 r6:83018000 r5:858d278c r4:85711f00 [ 1350.797093][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.797142][ T32] r10:61c88647 r9:858b5400 r8:85711f2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.797164][ T32] r4:85711f00 [ 1350.797183][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.797246][ T32] r10:00000000 r9:85711f00 r8:80287e08 r7:ec8f9e60 r6:85711f80 r5:858b5400 [ 1350.797300][ T32] r4:00000001 [ 1350.797323][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.797358][ T32] Exception stack(0xec901fb0 to 0xec901ff8) [ 1350.797388][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1350.797417][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.797443][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.797471][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.797492][ T32] r4:856ad7c0 [ 1350.797831][ T32] INFO: task kworker/0:334:5921 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.797866][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.797921][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.797964][ T32] Call trace: [ 1350.798015][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.798066][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.798089][ T32] r4:00000000 [ 1350.798121][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.798163][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.798208][ T32] dd20: dd441000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.798240][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.798264][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.798287][ T32] r5:800d0013 r4:80239bb0 [ 1350.798328][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.798369][ T32] r4:82ac21e4 [ 1350.798394][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.798436][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.798458][ T32] r4:e044ddc0 [ 1350.798477][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.798519][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.798541][ T32] r4:00000000 [ 1350.798560][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.798630][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.798656][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.798699][ T32] r5:00001000 r4:ed353000 [ 1350.798719][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.798758][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.798798][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.798817][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.798862][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.798883][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.798928][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.798950][ T32] r4:84ab5800 [ 1350.798980][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.799029][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.799051][ T32] r4:00000001 [ 1350.799069][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.799104][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.799130][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.799158][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.799184][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.799212][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.799293][ T32] r4:84ab0640 [ 1350.821168][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.821220][ T32] INFO: task kworker/0:335:5923 blocked for more than 477 seconds. [ 1350.821274][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.821303][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.821328][ T32] task:kworker/0:335 state:D stack:0 pid:5923 tgid:5923 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.821454][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.821547][ T32] Call trace: [ 1350.821582][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.821640][ T32] r10:8291a684 r9:ec905d84 r8:00000002 r7:60000113 r6:ec905d8c r5:858b6000 [ 1350.821665][ T32] r4:858b6000 [ 1350.821686][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.821730][ T32] r5:858b6000 r4:8291a680 [ 1350.821769][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.821814][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.821868][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec905e08 [ 1350.821894][ T32] r4:00000000 [ 1350.821914][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.821958][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.822002][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.822047][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856adc00 [ 1350.822099][ T32] r4:00000000 [ 1350.822123][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.822171][ T32] r9:83018005 r8:858b6000 r7:00000000 r6:83018000 r5:00001000 r4:7f111000 [ 1350.822194][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.822238][ T32] r5:00001000 r4:ec701000 [ 1350.822259][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.822315][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.822389][ T32] r5:858d2b8c r4:858d2800 [ 1350.822415][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.822466][ T32] r7:dddced80 r6:83018000 r5:858d2b8c r4:8569d000 [ 1350.822487][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.822536][ T32] r10:61c88647 r9:858b6000 r8:8569d02c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.822588][ T32] r4:8569d000 [ 1350.822612][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.822661][ T32] r10:00000000 r9:8569d000 r8:80287e08 r7:ec901e60 r6:8569d080 r5:858b6000 ** 5 printk messages dropped ** [ 1350.822859][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1350.823426][ T32] Call trace: ** 6 printk messages dropped ** [ 1350.823675][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 6 printk messages dropped ** [ 1350.824028][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1350.824271][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1350.824687][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1350.824857][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 4 printk messages dropped ** [ 1350.824986][ T32] r4:84ab0640 [ 1350.825005][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.825029][ T32] INFO: task kworker/0:336:5924 blocked for more than 477 seconds. [ 1350.825085][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.825113][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.825136][ T32] task:kworker/0:336 state:D stack:0 pid:5924 tgid:5924 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.825180][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.825222][ T32] Call trace: [ 1350.825252][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.825298][ T32] r10:8291a684 r9:ec8e1d84 r8:00000002 r7:60000113 r6:ec8e1d8c r5:858b6c00 [ 1350.825320][ T32] r4:858b6c00 [ 1350.825353][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.825442][ T32] r5:858b6c00 r4:8291a680 [ 1350.825467][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.825507][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.825549][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8e1e08 [ 1350.825571][ T32] r4:00000000 [ 1350.825589][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.825622][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.825655][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.825694][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856ade40 [ 1350.825716][ T32] r4:00000000 [ 1350.825744][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.825792][ T32] r9:83018005 r8:858b6c00 r7:00000000 r6:83018000 r5:00001000 r4:7f113000 [ 1350.825813][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.825853][ T32] r5:00001000 r4:ec773000 [ 1350.825873][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.825912][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.825953][ T32] r5:858d2f8c r4:858d2c00 [ 1350.825972][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.826029][ T32] r7:dddced80 r6:83018000 r5:858d2f8c r4:8569d100 [ 1350.826055][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.826102][ T32] r10:61c88647 r9:858b6c00 r8:8569d12c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.826124][ T32] r4:8569d100 [ 1350.826162][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.826210][ T32] r10:00000000 r9:8569d100 r8:80287e08 r7:ec905e60 r6:8569d180 r5:858b6c00 [ 1350.826232][ T32] r4:00000001 [ 1350.826252][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.826287][ T32] Exception stack(0xec8e1fb0 to 0xec8e1ff8) [ 1350.826313][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1350.826340][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.826366][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.826399][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.826421][ T32] r4:856adbc0 [ 1350.826613][ T32] INFO: task kworker/0:336:5924 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.826648][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.826729][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.826803][ T32] Call trace: [ 1350.826837][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.826889][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.826911][ T32] r4:00000000 [ 1350.826930][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.826967][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.826994][ T32] dd20: dda40000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.827040][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.827069][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.827093][ T32] r5:800d0013 r4:80239bb0 [ 1350.827114][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.827154][ T32] r4:82ac21e4 [ 1350.827173][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.827214][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.827246][ T32] r4:e044ddc0 [ 1350.827269][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.827310][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.827332][ T32] r4:00000000 [ 1350.827350][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.827408][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.827434][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.827475][ T32] r5:00001000 r4:ed353000 [ 1350.827495][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.827533][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.827621][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.827658][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.827707][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.827729][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.827803][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.827830][ T32] r4:84ab5800 [ 1350.827862][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.827911][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.827933][ T32] r4:00000001 [ 1350.827952][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.827985][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.828028][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.828059][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.828086][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.828114][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.828141][ T32] r4:84ab0640 [ 1350.828161][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.828193][ T32] INFO: task kworker/0:337:5926 blocked for more than 477 seconds. [ 1350.828223][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.828245][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.828266][ T32] task:kworker/0:337 state:D stack:0 pid:5926 tgid:5926 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.828342][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.828388][ T32] Call trace: [ 1350.828450][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.828524][ T32] r10:8291a684 r9:ec909d84 r8:00000002 r7:60000013 r6:ec909d8c r5:84920000 [ 1350.828570][ T32] r4:84920000 [ 1350.828599][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) ** 3 printk messages dropped ** [ 1350.828740][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec909e08 ** 4 printk messages dropped ** [ 1350.828907][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856addc0 ** 7 printk messages dropped ** [ 1350.829222][ T32] r5:858d378c r4:858d3400 [ 1350.829291][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.841338][ T32] r7:dddced80 r6:83018000 r5:858d378c r4:8569d200 ** 1 printk messages dropped ** [ 1350.841455][ T32] r10:61c88647 r9:84920000 r8:8569d22c r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1350.841805][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1350.842435][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 6 printk messages dropped ** [ 1350.842665][ T32] r5:800d0013 r4:80239bb0 ** 4 printk messages dropped ** [ 1350.842878][ T32] r4:e044ddc0 ** 5 printk messages dropped ** [ 1350.843045][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1350.843450][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1350.843658][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 10 printk messages dropped ** [ 1350.844013][ T32] r4:84920c00 ** 3 printk messages dropped ** [ 1350.844151][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1350.844543][ T32] r5:00001000 r4:ec783000 ** 2 printk messages dropped ** [ 1350.844647][ T32] r5:858d338c r4:858d3000 [ 1350.844672][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.844717][ T32] r7:dddced80 r6:83018000 r5:858d338c r4:8569d300 [ 1350.844738][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.844809][ T32] r10:61c88647 r9:84920c00 r8:8569d32c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.844854][ T32] r4:8569d300 [ 1350.844879][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.844925][ T32] r10:00000000 r9:8569d300 r8:80287e08 r7:ec909e60 r6:8569d380 r5:84920c00 [ 1350.844947][ T32] r4:00000001 [ 1350.844984][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.845027][ T32] Exception stack(0xec90dfb0 to 0xec90dff8) [ 1350.845053][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.845082][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.845108][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.845136][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.845157][ T32] r4:856addc0 [ 1350.845336][ T32] INFO: task kworker/0:338:5929 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.845368][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.845428][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.845470][ T32] Call trace: [ 1350.845498][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.845546][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.845568][ T32] r4:00000000 [ 1350.845586][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.845625][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.845651][ T32] dd20: dda40000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.845678][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.845708][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.845732][ T32] r5:800d0013 r4:80239bb0 [ 1350.845752][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.845809][ T32] r4:82ac21e4 [ 1350.845833][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.845875][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.845907][ T32] r4:e044ddc0 [ 1350.845930][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.845971][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.845993][ T32] r4:00000000 [ 1350.846012][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.846054][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.846075][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.846114][ T32] r5:00001000 r4:ed353000 [ 1350.846134][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.846172][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.846213][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.846232][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.846276][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.846297][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.846342][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.846364][ T32] r4:84ab5800 [ 1350.846387][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.846433][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.846456][ T32] r4:00000001 [ 1350.846474][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.846512][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.846539][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.846567][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.846592][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.846620][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.846642][ T32] r4:84ab0640 [ 1350.846673][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.846701][ T32] INFO: task kworker/0:339:5931 blocked for more than 477 seconds. [ 1350.846727][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.846750][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.846779][ T32] task:kworker/0:339 state:D stack:0 pid:5931 tgid:5931 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.846825][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.846864][ T32] Call trace: [ 1350.846916][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.846962][ T32] r10:8291a684 r9:ec915d84 r8:00000002 r7:60000113 r6:ec915d8c r5:84921800 [ 1350.846984][ T32] r4:84921800 [ 1350.847004][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.847063][ T32] r5:84921800 r4:8291a680 [ 1350.847086][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.847142][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.847189][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec915e08 [ 1350.847210][ T32] r4:00000000 [ 1350.847229][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.847262][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.847313][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.847367][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8446b0c0 [ 1350.847396][ T32] r4:00000000 [ 1350.847416][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.847460][ T32] r9:83018005 r8:84921800 r7:00000000 r6:83018000 r5:00001000 r4:7f119000 [ 1350.847482][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.847535][ T32] r5:00001000 r4:ec7a3000 [ 1350.847577][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.847631][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.847676][ T32] r5:858d3b8c r4:858d3800 [ 1350.847696][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.847742][ T32] r7:dddced80 r6:83018000 r5:858d3b8c r4:8569d400 [ 1350.847762][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.847807][ T32] r10:61c88647 r9:84921800 r8:8569d42c r7:82804d40 r6:dddced80 r5:dddceda0 ** 4 printk messages dropped ** [ 1350.847983][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1350.848359][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1350.848804][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 4 printk messages dropped ** [ 1350.848971][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 3 printk messages dropped ** [ 1350.849084][ T32] r4:00000000 [ 1350.849103][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.849146][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.849186][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.849232][ T32] r5:00001000 r4:ed353000 [ 1350.849303][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.870412][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.870511][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.870539][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.870603][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.870665][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.870768][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.870797][ T32] r4:84ab5800 [ 1350.870817][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.870926][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.870955][ T32] r4:00000001 [ 1350.871005][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.871048][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.871078][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.871108][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1350.871165][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1350.871369][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1350.871768][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1350.872010][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1350.872155][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1350.872233][ T32] r5:858d3f8c r4:858d3c00 ** 1 printk messages dropped ** [ 1350.872294][ T32] r7:dddced80 r6:83018000 r5:858d3f8c r4:8569d500 ** 4 printk messages dropped ** [ 1350.872486][ T32] r10:00000000 r9:8569d500 r8:80287e08 r7:ec915e60 r6:8569d580 r5:84922400 ** 6 printk messages dropped ** [ 1350.872699][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1350.873327][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 ** 9 printk messages dropped ** [ 1350.873711][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 9 printk messages dropped ** [ 1350.874390][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1350.874963][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 8 printk messages dropped ** [ 1350.875477][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1350.876004][ T32] r4:84923c00 ** 4 printk messages dropped ** [ 1350.876345][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec91de08 ** 9 printk messages dropped ** [ 1350.877004][ T32] r5:00001000 r4:ec7c5000 ** 2 printk messages dropped ** [ 1350.877180][ T32] r5:858d838c r4:858d8000 ** 2 printk messages dropped ** [ 1350.877378][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 5 printk messages dropped ** [ 1350.877699][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.877737][ T32] Exception stack(0xec91dfb0 to 0xec91dff8) [ 1350.877770][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.877830][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.877890][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.877951][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.877998][ T32] r4:8446b180 [ 1350.878358][ T32] INFO: task kworker/0:341:5935 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.878441][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.878553][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.878675][ T32] Call trace: [ 1350.878740][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.878842][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.878880][ T32] r4:00000000 [ 1350.878902][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.878958][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.879011][ T32] dd20: ddffa000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.879082][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.879137][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.879185][ T32] r5:800d0013 r4:80239bb0 [ 1350.879227][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.909747][ T32] r4:82ac21e4 [ 1350.909789][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.909875][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.909913][ T32] r4:e044ddc0 [ 1350.909962][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.910064][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.910114][ T32] r4:00000000 [ 1350.910158][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.910253][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.910300][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.910398][ T32] r5:00001000 r4:ed353000 [ 1350.910446][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.910527][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.910615][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.910658][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.910752][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.910840][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.910940][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.910983][ T32] r4:84ab5800 [ 1350.911025][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.911123][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.911167][ T32] r4:00000001 [ 1350.911204][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.911278][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.911338][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.911396][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.911450][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.911510][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.911562][ T32] r4:84ab0640 [ 1350.911609][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.911705][ T32] INFO: task kworker/0:342:5937 blocked for more than 477 seconds. [ 1350.911770][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.911823][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.911864][ T32] task:kworker/0:342 state:D stack:0 pid:5937 tgid:5937 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.911968][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.912067][ T32] Call trace: [ 1350.912161][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.912267][ T32] r10:8291a684 r9:ec911d84 r8:00000002 r7:60000013 r6:ec911d8c r5:84924800 [ 1350.912321][ T32] r4:84924800 [ 1350.912392][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.912482][ T32] r5:84924800 r4:8291a680 [ 1350.912542][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.912618][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.912699][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec911e08 [ 1350.912747][ T32] r4:00000000 [ 1350.912783][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.912876][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.912969][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.913053][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8446ba80 [ 1350.913105][ T32] r4:00000000 [ 1350.913173][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.913266][ T32] r9:83018005 r8:84924800 r7:00000000 r6:83018000 r5:00001000 r4:7f125000 [ 1350.913313][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.913398][ T32] r5:00001000 r4:ec7ed000 [ 1350.913469][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.913548][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.913630][ T32] r5:858d8f8c r4:858d8c00 [ 1350.913671][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.913758][ T32] r7:dddced80 r6:83018000 r5:858d8f8c r4:8569d700 [ 1350.913804][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.913892][ T32] r10:61c88647 r9:84924800 r8:8569d72c r7:82804d40 r6:dddced80 r5:dddceda0 ** 3 printk messages dropped ** [ 1350.914165][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1350.914359][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1350.915264][ T32] INFO: task kworker/0:342:5937 is blocked on a mutex likely owned by task kworker/1:172:3616. ** 2 printk messages dropped ** [ 1350.915602][ T32] Call trace: ** 2 printk messages dropped ** [ 1350.915855][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1350.916109][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 ** 3 printk messages dropped ** [ 1350.916363][ T32] r4:82ac21e4 ** 1 printk messages dropped ** [ 1350.916526][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 ** 3 printk messages dropped ** [ 1350.916762][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1350.917043][ T32] r5:00001000 r4:ed353000 ** 2 printk messages dropped ** [ 1350.917245][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.917289][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.917397][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.917444][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.917558][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.917610][ T32] r4:84ab5800 [ 1350.917647][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.917739][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.917788][ T32] r4:00000001 [ 1350.917826][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.917896][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.917943][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.918000][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.918050][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.918127][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.918177][ T32] r4:84ab0640 [ 1350.918214][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.918267][ T32] INFO: task kworker/0:343:5939 blocked for more than 477 seconds. [ 1350.918361][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.918413][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.918469][ T32] task:kworker/0:343 state:D stack:0 pid:5939 tgid:5939 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.918618][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.918720][ T32] Call trace: [ 1350.918787][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.918875][ T32] r10:8291a684 r9:ec925d84 r8:00000002 r7:60000013 r6:ec925d8c r5:84923000 [ 1350.918916][ T32] r4:84923000 [ 1350.918961][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.919041][ T32] r5:84923000 r4:8291a680 [ 1350.919080][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.919154][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.919309][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec925e08 [ 1350.940391][ T32] r4:00000000 [ 1350.940457][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.940578][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.940665][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.940772][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8446b740 [ 1350.940823][ T32] r4:00000000 [ 1350.940862][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.940956][ T32] r9:83018005 r8:84923000 r7:00000000 r6:83018000 r5:00001000 r4:7f121000 [ 1350.941016][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.941109][ T32] r5:00001000 r4:ec7d7000 [ 1350.941150][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.941229][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.941312][ T32] r5:858d878c r4:858d8400 [ 1350.941350][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.941472][ T32] r7:dddced80 r6:83018000 r5:858d878c r4:8569d800 [ 1350.941527][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.941618][ T32] r10:61c88647 r9:84923000 r8:8569d82c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.941683][ T32] r4:8569d800 [ 1350.941730][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.941824][ T32] r10:00000000 r9:8569d800 r8:80287e08 r7:ec911e60 r6:8569d880 r5:84923000 [ 1350.941875][ T32] r4:00000001 [ 1350.941918][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.941990][ T32] Exception stack(0xec925fb0 to 0xec925ff8) [ 1350.942049][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1350.942156][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.942225][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.942276][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.942325][ T32] r4:8446b400 [ 1350.942911][ T32] INFO: task kworker/0:343:5939 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.943006][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.943130][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.943236][ T32] Call trace: [ 1350.943326][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.943468][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.943532][ T32] r4:00000000 [ 1350.943652][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.943735][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.943792][ T32] dd20: de843000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.943843][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.943899][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.943964][ T32] r5:800d0013 r4:80239bb0 [ 1350.944017][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.944097][ T32] r4:82ac21e4 [ 1350.944137][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.944239][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.944297][ T32] r4:e044ddc0 [ 1350.944355][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.944442][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.944492][ T32] r4:00000000 [ 1350.944551][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.944642][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.944698][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.944781][ T32] r5:00001000 r4:ed353000 [ 1350.944828][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.944912][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.944993][ T32] r5:85c0ff8c r4:85c0fc00 [ 1350.945034][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.945122][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1350.945161][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.945248][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.945299][ T32] r4:84ab5800 [ 1350.945335][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.945444][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1350.945492][ T32] r4:00000001 [ 1350.945527][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.945596][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1350.945647][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.945717][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.945780][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.945852][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.945906][ T32] r4:84ab0640 [ 1350.945989][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.946041][ T32] INFO: task kworker/0:344:5941 blocked for more than 477 seconds. [ 1350.946118][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1350.946182][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.946227][ T32] task:kworker/0:344 state:D stack:0 pid:5941 tgid:5941 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.946336][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.946427][ T32] Call trace: [ 1350.946493][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1350.946581][ T32] r10:8291a684 r9:ec929d84 r8:00000002 r7:60000113 r6:ec929d8c r5:84926c00 [ 1350.946628][ T32] r4:84926c00 [ 1350.946669][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.946770][ T32] r5:84926c00 r4:8291a680 [ 1350.946825][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.946903][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.946981][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec929e08 [ 1350.947051][ T32] r4:00000000 [ 1350.947104][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.947174][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.947243][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.947320][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8446b880 [ 1350.947360][ T32] r4:00000000 [ 1350.947409][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.947493][ T32] r9:83018005 r8:84926c00 r7:00000000 r6:83018000 r5:00001000 r4:7f123000 [ 1350.947535][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.947638][ T32] r5:00001000 r4:ec7e3000 [ 1350.947686][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.947762][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.947841][ T32] r5:858d8b8c r4:858d8800 [ 1350.947881][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.947965][ T32] r7:dddced80 r6:83018000 r5:858d8b8c r4:8569d900 [ 1350.948002][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.948094][ T32] r10:61c88647 r9:84926c00 r8:8569d92c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.948142][ T32] r4:8569d900 [ 1350.948177][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.948263][ T32] r10:00000000 r9:8569d900 r8:80287e08 r7:ec911e60 r6:8569d980 r5:84926c00 [ 1350.948322][ T32] r4:00000001 [ 1350.948361][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.948441][ T32] Exception stack(0xec929fb0 to 0xec929ff8) [ 1350.948529][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.948589][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.948645][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.948703][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.948748][ T32] r4:8446b700 [ 1350.949066][ T32] INFO: task kworker/0:344:5941 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.949130][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.949281][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.983262][ T32] Call trace: [ 1350.983332][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.983465][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.983512][ T32] r4:00000000 [ 1350.983556][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.983644][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.983703][ T32] dd20: def34000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.983765][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.983815][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.983864][ T32] r5:800d0013 r4:80239bb0 [ 1350.983903][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.983983][ T32] r4:82ac21e4 [ 1350.984023][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.984104][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1350.984218][ T32] r4:e044ddc0 [ 1350.984267][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.984350][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1350.984399][ T32] r4:00000000 [ 1350.984449][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.984560][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1350.984608][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.984693][ T32] r5:00001000 r4:ed353000 [ 1350.984738][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.984816][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.984901][ T32] r5:85c0ff8c r4:85c0fc00 ** 1 printk messages dropped ** [ 1350.985031][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1350.985355][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 2 printk messages dropped ** [ 1350.985517][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 3 printk messages dropped ** [ 1350.985734][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 5 printk messages dropped ** [ 1350.986031][ T32] task:kworker/0:345 state:D stack:0 pid:5942 tgid:5942 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1350.986416][ T32] r4:84925400 [ 1350.986455][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1350.986538][ T32] r5:84925400 r4:8291a680 [ 1350.986575][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.986657][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.986740][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec92de08 [ 1350.986785][ T32] r4:00000000 [ 1350.986820][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1350.986901][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1350.986969][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1350.987050][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8446bd80 [ 1350.987095][ T32] r4:00000000 [ 1350.987135][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1350.987224][ T32] r9:83018005 r8:84925400 r7:00000000 r6:83018000 r5:00001000 r4:7f127000 [ 1350.987272][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1350.987354][ T32] r5:00001000 r4:ec7fb000 [ 1350.987401][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1350.987477][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.987556][ T32] r5:858d938c r4:858d9000 [ 1350.987595][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1350.987684][ T32] r7:dddced80 r6:83018000 r5:858d938c r4:8569da00 [ 1350.987725][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1350.987816][ T32] r10:61c88647 r9:84925400 r8:8569da2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.987875][ T32] r4:8569da00 [ 1350.987911][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1350.987996][ T32] r10:00000000 r9:8569da00 r8:80287e08 r7:ec911e60 r6:8569da80 r5:84925400 [ 1350.988043][ T32] r4:00000001 [ 1350.988089][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.988164][ T32] Exception stack(0xec92dfb0 to 0xec92dff8) [ 1350.988214][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.988293][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.988348][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.988409][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1350.988461][ T32] r4:8446b700 [ 1350.989047][ T32] INFO: task kworker/0:345:5942 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1350.989119][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.998461][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.998619][ T32] Call trace: [ 1350.998694][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1350.998798][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1350.998846][ T32] r4:00000000 [ 1350.998890][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.999004][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1350.999089][ T32] dd20: def34000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1350.999156][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1350.999213][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1350.999340][ T32] r5:800d0013 r4:80239bb0 [ 1350.999881][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.999964][ T32] r4:82ac21e4 [ 1351.000009][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.000092][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1351.000135][ T32] r4:e044ddc0 [ 1351.000180][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.000258][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1351.000301][ T32] r4:00000000 [ 1351.000340][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.000433][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1351.000478][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.000587][ T32] r5:00001000 r4:ed353000 [ 1351.000633][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.000708][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.000787][ T32] r5:85c0ff8c r4:85c0fc00 [ 1351.000833][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.000918][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1351.000957][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.001083][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.001135][ T32] r4:84ab5800 [ 1351.001171][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.001259][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1351.001306][ T32] r4:00000001 [ 1351.001342][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.001422][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1351.001478][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.001530][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.001583][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.001636][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.001685][ T32] r4:84ab0640 [ 1351.001723][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.001824][ T32] INFO: task kworker/0:346:5945 blocked for more than 477 seconds. [ 1351.001895][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.001938][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.001986][ T32] task:kworker/0:346 state:D stack:0 pid:5945 tgid:5945 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.002079][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.002210][ T32] Call trace: [ 1351.002275][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.002369][ T32] r10:8291a684 r9:ec921d84 r8:00000002 r7:60000013 r6:ec921d8c r5:858c8000 [ 1351.002415][ T32] r4:858c8000 [ 1351.002460][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.002541][ T32] r5:858c8000 r4:8291a680 [ 1351.002579][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.002656][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.002747][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec921e08 [ 1351.002788][ T32] r4:00000000 [ 1351.002831][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.002893][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.002960][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.003065][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8446bf00 [ 1351.003123][ T32] r4:00000000 [ 1351.003158][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.003243][ T32] r9:83018005 r8:858c8000 r7:00000000 r6:83018000 r5:00001000 r4:7f129000 [ 1351.003288][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.003362][ T32] r5:00001000 r4:ec80f000 [ 1351.003412][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.003496][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.003577][ T32] r5:858d978c r4:858d9400 [ 1351.003618][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.003706][ T32] r7:dddced80 r6:83018000 r5:858d978c r4:8569db00 [ 1351.003745][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.003832][ T32] r10:61c88647 r9:858c8000 r8:8569db2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.003888][ T32] r4:8569db00 [ 1351.003932][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.004103][ T32] r10:00000000 r9:8569db00 r8:80287e08 r7:ec92de60 r6:8569db80 r5:858c8000 [ 1351.004154][ T32] r4:00000001 [ 1351.004190][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.004262][ T32] Exception stack(0xec921fb0 to 0xec921ff8) [ 1351.004315][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.004376][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.004436][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.004517][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.004594][ T32] r4:8446b400 [ 1351.005130][ T32] INFO: task kworker/0:346:5945 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1351.005189][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.005297][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.005391][ T32] Call trace: [ 1351.005504][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.005599][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1351.005647][ T32] r4:00000000 [ 1351.005686][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.005762][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1351.005817][ T32] dd20: def34000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1351.005894][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1351.005952][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.005993][ T32] r5:800d0013 r4:80239bb0 [ 1351.006039][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.006113][ T32] r4:82ac21e4 [ 1351.006157][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.006246][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1351.006317][ T32] r4:e044ddc0 [ 1351.006368][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.006455][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1351.006498][ T32] r4:00000000 [ 1351.006548][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.006633][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1351.006690][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.006771][ T32] r5:00001000 r4:ed353000 [ 1351.006807][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.006887][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.006967][ T32] r5:85c0ff8c r4:85c0fc00 [ 1351.007006][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.007093][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1351.007141][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.007227][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.007273][ T32] r4:84ab5800 [ 1351.007327][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.007415][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1351.007461][ T32] r4:00000001 [ 1351.007508][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.007582][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1351.007635][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.007684][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.007741][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.007795][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.007840][ T32] r4:84ab0640 [ 1351.007874][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.007936][ T32] INFO: task kworker/0:347:5947 blocked for more than 477 seconds. [ 1351.007993][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.008045][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.008085][ T32] task:kworker/0:347 state:D stack:0 pid:5947 tgid:5947 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.008199][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.008290][ T32] Call trace: [ 1351.008345][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.008460][ T32] r10:8291a684 r9:ec935d84 r8:00000002 r7:60000113 r6:ec935d8c r5:858c8c00 [ 1351.008535][ T32] r4:858c8c00 [ 1351.008589][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.008677][ T32] r5:858c8c00 r4:8291a680 [ 1351.008723][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.008796][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.008895][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec935e08 [ 1351.008958][ T32] r4:00000000 [ 1351.009004][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.009069][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.009135][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.009214][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa2480 [ 1351.009320][ T32] r4:00000000 [ 1351.042702][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.042855][ T32] r9:83018005 r8:858c8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f131000 [ 1351.042909][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.043002][ T32] r5:00001000 r4:ec84d000 [ 1351.043050][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.043125][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.043204][ T32] r5:858d9f8c r4:858d9c00 [ 1351.043249][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.043337][ T32] r7:dddced80 r6:83018000 r5:858d9f8c r4:8569dc00 [ 1351.043393][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.043511][ T32] r10:61c88647 r9:858c8c00 r8:8569dc2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.043583][ T32] r4:8569dc00 [ 1351.043635][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.043724][ T32] r10:00000000 r9:8569dc00 r8:80287e08 r7:ec921e60 r6:8569dc80 r5:858c8c00 [ 1351.043768][ T32] r4:00000001 [ 1351.043812][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.043880][ T32] Exception stack(0xec935fb0 to 0xec935ff8) [ 1351.043938][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1351.043991][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.044043][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.044099][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.044141][ T32] r4:8446b900 [ 1351.044732][ T32] INFO: task kworker/0:347:5947 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1351.044806][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.044936][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.045028][ T32] Call trace: [ 1351.045091][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.045207][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1351.045256][ T32] r4:00000000 [ 1351.045313][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.045405][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1351.045460][ T32] dd20: df81b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1351.045522][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1351.045579][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.045620][ T32] r5:800d0013 r4:80239bb0 [ 1351.045670][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.045751][ T32] r4:82ac21e4 [ 1351.045789][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.045874][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1351.045914][ T32] r4:e044ddc0 [ 1351.045959][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.046037][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1351.046081][ T32] r4:00000000 [ 1351.046118][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.046204][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1351.046263][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.046345][ T32] r5:00001000 r4:ed353000 [ 1351.046387][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.046466][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.046547][ T32] r5:85c0ff8c r4:85c0fc00 [ 1351.046601][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.046691][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1351.046733][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.046821][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.046864][ T32] r4:84ab5800 [ 1351.046905][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.046993][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1351.047035][ T32] r4:00000001 [ 1351.047077][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.047143][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1351.047196][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.047253][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.047303][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.047364][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.047415][ T32] r4:84ab0640 [ 1351.047497][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.047616][ T32] INFO: task kworker/0:348:5948 blocked for more than 477 seconds. [ 1351.047705][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.047760][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.047799][ T32] task:kworker/0:348 state:D stack:0 pid:5948 tgid:5948 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.047906][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.048018][ T32] Call trace: [ 1351.048082][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.048173][ T32] r10:8291a684 r9:ec939d84 r8:00000002 r7:60000013 r6:ec939d8c r5:858ca400 [ 1351.048221][ T32] r4:858ca400 [ 1351.048261][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.048341][ T32] r5:858ca400 r4:8291a680 [ 1351.048376][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.048497][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.048606][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec939e08 [ 1351.048656][ T32] r4:00000000 [ 1351.048694][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.048766][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.048836][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.048920][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa2100 [ 1351.048965][ T32] r4:00000000 [ 1351.049007][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.049087][ T32] r9:83018005 r8:858ca400 r7:00000000 r6:83018000 r5:00001000 r4:7f12b000 [ 1351.049130][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.049209][ T32] r5:00001000 r4:ec81d000 [ 1351.062437][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.062597][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.062689][ T32] r5:858d9b8c r4:858d9800 [ 1351.062737][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.062831][ T32] r7:dddced80 r6:83018000 r5:858d9b8c r4:8569dd00 [ 1351.062870][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.062975][ T32] r10:61c88647 r9:858ca400 r8:8569dd2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.063049][ T32] r4:8569dd00 [ 1351.063114][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.063205][ T32] r10:00000000 r9:8569dd00 r8:80287e08 r7:ec935e60 r6:8569dd80 r5:858ca400 [ 1351.063251][ T32] r4:00000001 [ 1351.063303][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.063374][ T32] Exception stack(0xec939fb0 to 0xec939ff8) [ 1351.063439][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.063496][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.063559][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.063620][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.063666][ T32] r4:8446bf40 [ 1351.064244][ T32] INFO: task kworker/0:348:5948 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1351.064328][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.064455][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.064564][ T32] Call trace: [ 1351.064628][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.064736][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1351.064782][ T32] r4:00000000 [ 1351.064829][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.064906][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1351.064959][ T32] dd20: df81b000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1351.065019][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1351.065065][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.065118][ T32] r5:800d0013 r4:80239bb0 [ 1351.065170][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.065253][ T32] r4:82ac21e4 [ 1351.065325][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.065419][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1351.065467][ T32] r4:e044ddc0 [ 1351.065509][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.065589][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1351.065637][ T32] r4:00000000 [ 1351.065682][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.065771][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1351.065822][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.065905][ T32] r5:00001000 r4:ed353000 [ 1351.065970][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.066055][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.066135][ T32] r5:85c0ff8c r4:85c0fc00 [ 1351.066175][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.066262][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 [ 1351.066320][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.066414][ T32] r10:61c88647 r9:845c6000 r8:84ab582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.066468][ T32] r4:84ab5800 [ 1351.066511][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.066623][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 [ 1351.066694][ T32] r4:00000001 [ 1351.066734][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.066809][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) [ 1351.066857][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.066929][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.066985][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.067034][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.067087][ T32] r4:84ab0640 [ 1351.067126][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.067179][ T32] INFO: task kworker/0:349:5953 blocked for more than 477 seconds. [ 1351.067235][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.067288][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.067360][ T32] task:kworker/0:349 state:D stack:0 pid:5953 tgid:5953 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.067491][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.067617][ T32] Call trace: [ 1351.067684][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.067774][ T32] r10:8291a684 r9:ec941d84 r8:00000002 r7:60000013 r6:ec941d8c r5:858c9800 [ 1351.067817][ T32] r4:858c9800 [ 1351.067856][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.067964][ T32] r5:858c9800 r4:8291a680 [ 1351.068017][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.068093][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.068176][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec941e08 [ 1351.068220][ T32] r4:00000000 [ 1351.068288][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.068359][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.068427][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.068526][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa25c0 [ 1351.068572][ T32] r4:00000000 [ 1351.068609][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.068698][ T32] r9:83018005 r8:858c9800 r7:00000000 r6:83018000 r5:00001000 r4:7f065000 [ 1351.068747][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.068851][ T32] r5:00001000 r4:dfb3f000 [ 1351.068899][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.068977][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.069061][ T32] r5:858da38c r4:858da000 [ 1351.069108][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.069201][ T32] r7:dddced80 r6:83018000 r5:858da38c r4:8569de00 [ 1351.069299][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.088898][ T32] r10:61c88647 r9:858c9800 r8:8569de2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.088963][ T32] r4:8569de00 [ 1351.089009][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.089123][ T32] r10:00000000 r9:8569de00 r8:80287e08 r7:ec935e60 r6:8569de80 r5:858c9800 [ 1351.089177][ T32] r4:00000001 [ 1351.089234][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.089904][ T32] Exception stack(0xec941fb0 to 0xec941ff8) [ 1351.089958][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.090017][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.090075][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.090154][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.090213][ T32] r4:84aa2300 ** 2 printk messages dropped ** [ 1351.090984][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1351.091581][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1351.091964][ T32] r4:e044ddc0 ** 6 printk messages dropped ** [ 1351.092475][ T32] r5:00001000 r4:ed353000 ** 7 printk messages dropped ** [ 1351.093082][ T32] r4:84ab5800 ** 4 printk messages dropped ** [ 1351.093408][ T32] Exception stack(0xe044dfb0 to 0xe044dff8) ** 3 printk messages dropped ** [ 1351.093678][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 10 printk messages dropped ** [ 1351.094398][ T32] r4:858cbc00 [ 1351.094441][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.094528][ T32] r5:858cbc00 r4:8291a680 [ 1351.094576][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.094653][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.094732][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec931e08 [ 1351.094775][ T32] r4:00000000 [ 1351.094814][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.094900][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.094974][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.095054][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa2740 [ 1351.095095][ T32] r4:00000000 [ 1351.095145][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.095231][ T32] r9:83018005 r8:858cbc00 r7:00000000 r6:83018000 r5:00001000 r4:7f06b000 [ 1351.095273][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.095356][ T32] r5:00001000 r4:e0585000 [ 1351.095415][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.095489][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.095568][ T32] r5:858da78c r4:858da400 [ 1351.095613][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.095705][ T32] r7:dddced80 r6:83018000 r5:858da78c r4:8569df00 [ 1351.095748][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.095852][ T32] r10:61c88647 r9:858cbc00 r8:8569df2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.095913][ T32] r4:8569df00 [ 1351.095952][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.096038][ T32] r10:00000000 r9:8569df00 r8:80287e08 r7:ec941e60 r6:8569df80 r5:858cbc00 [ 1351.096082][ T32] r4:00000001 [ 1351.096123][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.096191][ T32] Exception stack(0xec931fb0 to 0xec931ff8) [ 1351.096239][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.096296][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.096347][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.096411][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.096457][ T32] r4:84aa2640 [ 1351.096806][ T32] INFO: task kworker/0:350:5955 is blocked on a mutex likely owned by task kworker/1:172:3616. [ 1351.096869][ T32] task:kworker/1:172 state:R running task stack:0 pid:3616 tgid:3616 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.096975][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.097069][ T32] Call trace: [ 1351.097129][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.097224][ T32] r10:82ac21c4 r9:845c6000 r8:80200be4 r7:e044dd5c r6:ffffffff r5:845c6000 [ 1351.097272][ T32] r4:00000000 [ 1351.097309][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.097390][ T32] Exception stack(0xe044dd28 to 0xe044dd70) [ 1351.097441][ T32] dd20: dfaba000 dfe3f000 00000001 80239b98 7f19d000 00000001 [ 1351.097532][ T32] dd40: 82ac15a0 7f19d000 dfe3f000 8280c928 82ac21c4 e044dda4 e044dda8 e044dd78 [ 1351.097593][ T32] dd60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.097648][ T32] r5:800d0013 r4:80239bb0 [ 1351.097694][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.097774][ T32] r4:82ac21e4 [ 1351.097813][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.097894][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e044ddc0 r5:e044de08 [ 1351.097939][ T32] r4:e044ddc0 [ 1351.097981][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.098067][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22280 [ 1351.098110][ T32] r4:00000000 [ 1351.098150][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.098235][ T32] r9:83018205 r8:845c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f19f000 [ 1351.098280][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.098388][ T32] r5:00001000 r4:ed353000 [ 1351.098433][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.098508][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.098588][ T32] r5:85c0ff8c r4:85c0fc00 [ 1351.098634][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.098722][ T32] r7:ddde2d80 r6:83018200 r5:85c0ff8c r4:84ab5800 ** 4 printk messages dropped ** [ 1351.099024][ T32] r10:00000000 r9:84ab5800 r8:80287e08 r7:e0445e60 r6:84ab5880 r5:845c6000 ** 6 printk messages dropped ** [ 1351.129690][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 6 printk messages dropped ** [ 1351.130132][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1351.130795][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec93de08 ** 7 printk messages dropped ** [ 1351.131283][ T32] r9:83018005 r8:858cc800 r7:00000000 r6:83018000 r5:00001000 r4:7f06d000 ** 4 printk messages dropped ** [ 1351.131649][ T32] r5:858dab8c r4:858da800 ** 3 printk messages dropped ** [ 1351.131906][ T32] r10:61c88647 r9:858cc800 r8:84aba02c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1351.132420][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1351.133469][ T32] Call trace: ** 6 printk messages dropped ** [ 1351.133915][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 ** 6 printk messages dropped ** [ 1351.134306][ T32] r4:e0459dc0 ** 5 printk messages dropped ** [ 1351.134690][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1351.135453][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 6 printk messages dropped ** [ 1351.135847][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 10 printk messages dropped ** [ 1351.136497][ T32] r4:858cd400 ** 3 printk messages dropped ** [ 1351.136782][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.136867][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec63de08 [ 1351.136912][ T32] r4:00000000 [ 1351.136956][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.137026][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.137086][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.137169][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84aa2a00 [ 1351.137216][ T32] r4:00000000 [ 1351.137252][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.137389][ T32] r9:83018005 r8:858cd400 r7:00000000 r6:83018000 r5:00001000 r4:7f06f000 [ 1351.137462][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.137545][ T32] r5:00001000 r4:eb1c1000 [ 1351.137584][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.137667][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.137748][ T32] r5:858daf8c r4:858dac00 [ 1351.137794][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.137881][ T32] r7:dddced80 r6:83018000 r5:858daf8c r4:84aba100 [ 1351.137923][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.138011][ T32] r10:61c88647 r9:858cd400 r8:84aba12c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.138060][ T32] r4:84aba100 [ 1351.138097][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.138184][ T32] r10:00000000 r9:84aba100 r8:80287e08 r7:ec93de60 r6:84aba180 r5:858cd400 [ 1351.138226][ T32] r4:00000001 [ 1351.138268][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.138359][ T32] Exception stack(0xec63dfb0 to 0xec63dff8) [ 1351.138411][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.138470][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.138519][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.138576][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.138620][ T32] r4:84aa2540 [ 1351.138932][ T32] INFO: task kworker/0:352:5959 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.139040][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.139158][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.173047][ T32] Call trace: [ 1351.173202][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.173330][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.173401][ T32] r4:00000000 [ 1351.173464][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.173547][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.173624][ T32] 9d20: 7fa95000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.173693][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.173742][ T32] 9d60: 80230ad0 80239bb0 900d0013 ffffffff [ 1351.173790][ T32] r5:900d0013 r4:80239bb0 [ 1351.173829][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.173914][ T32] r4:82ac21e4 [ 1351.173951][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.174033][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.174082][ T32] r4:e0459dc0 [ 1351.174120][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.174203][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.174262][ T32] r4:00000000 [ 1351.174303][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.174399][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.174451][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.174548][ T32] r5:00001000 r4:ed35f000 [ 1351.174591][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.174683][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.174769][ T32] r5:85c1038c r4:85c10000 [ 1351.174812][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.174900][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.174948][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.175037][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.175080][ T32] r4:84ab5900 [ 1351.175124][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.175212][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.175258][ T32] r4:00000001 [ 1351.175322][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.175408][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.175461][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.175521][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.175570][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.175628][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.175671][ T32] r4:84aae040 [ 1351.175717][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.175783][ T32] INFO: task kworker/0:353:5962 blocked for more than 477 seconds. [ 1351.175849][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.175901][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.175941][ T32] task:kworker/0:353 state:D stack:0 pid:5962 tgid:5962 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.176038][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.176136][ T32] Call trace: [ 1351.176206][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 5 printk messages dropped ** [ 1351.176623][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1351.177233][ T32] r9:83018005 r8:858ce000 r7:00000000 r6:83018000 r5:00001000 r4:7f071000 ** 4 printk messages dropped ** [ 1351.177608][ T32] r5:858db38c r4:858db000 ** 3 printk messages dropped ** [ 1351.177882][ T32] r10:61c88647 r9:858ce000 r8:84aba22c r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1351.178505][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1351.188773][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.189014][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 ** 8 printk messages dropped ** [ 1351.189885][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 ** 9 printk messages dropped ** [ 1351.190538][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 ** 7 printk messages dropped ** [ 1351.191048][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) ** 4 printk messages dropped ** [ 1351.191348][ T32] r4:84aae040 ** 5 printk messages dropped ** [ 1351.191707][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1351.192165][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1351.192888][ T32] r9:83018005 r8:858cec00 r7:00000000 r6:83018000 r5:00001000 r4:7f073000 ** 4 printk messages dropped ** [ 1351.193240][ T32] r5:858db78c r4:858db400 [ 1351.193295][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.193387][ T32] r7:dddced80 r6:83018000 r5:858db78c r4:84aba300 [ 1351.193446][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.193541][ T32] r10:61c88647 r9:858cec00 r8:84aba32c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.193590][ T32] r4:84aba300 [ 1351.193628][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.193715][ T32] r10:00000000 r9:84aba300 r8:80287e08 r7:ec865e60 r6:84aba380 r5:858cec00 [ 1351.193758][ T32] r4:00000001 [ 1351.193813][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.193876][ T32] Exception stack(0xec8d1fb0 to 0xec8d1ff8) [ 1351.193933][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.193996][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.194046][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.194105][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.194156][ T32] r4:84aa2980 [ 1351.194727][ T32] INFO: task kworker/0:354:5963 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.194804][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.194918][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.195032][ T32] Call trace: [ 1351.195114][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.195212][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.195258][ T32] r4:00000000 [ 1351.195297][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.195368][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.195446][ T32] 9d20: 7fa95000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.195500][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.195557][ T32] 9d60: 80230ad0 80239bb0 900d0013 ffffffff [ 1351.195605][ T32] r5:900d0013 r4:80239bb0 [ 1351.195651][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.195728][ T32] r4:82ac21e4 [ 1351.195768][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.195854][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.195897][ T32] r4:e0459dc0 [ 1351.195941][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.196020][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.196064][ T32] r4:00000000 [ 1351.196101][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.196194][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.196253][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.196336][ T32] r5:00001000 r4:ed35f000 [ 1351.196389][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.196481][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.196589][ T32] r5:85c1038c r4:85c10000 [ 1351.196654][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.196749][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.196801][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.196900][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.196952][ T32] r4:84ab5900 [ 1351.196988][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.197078][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.197127][ T32] r4:00000001 [ 1351.197164][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.197232][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.197280][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.197336][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.197392][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.197453][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.197494][ T32] r4:84aae040 [ 1351.197536][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.197578][ T32] INFO: task kworker/0:355:5965 blocked for more than 477 seconds. [ 1351.197635][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.197675][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.197720][ T32] task:kworker/0:355 state:D stack:0 pid:5965 tgid:5965 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.197803][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.197897][ T32] Call trace: [ 1351.197954][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.198059][ T32] r10:8291a684 r9:ec949d84 r8:00000002 r7:60000113 r6:ec949d8c r5:84926000 [ 1351.198110][ T32] r4:84926000 [ 1351.198160][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.198251][ T32] r5:84926000 r4:8291a680 [ 1351.198321][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.198402][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.198502][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec949e08 [ 1351.198548][ T32] r4:00000000 [ 1351.198589][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.198654][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.198721][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1351.198851][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1351.224182][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.224368][ T32] r5:858dbb8c r4:858db800 [ 1351.224422][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1351.224904][ T32] r10:00000000 r9:84aba400 r8:80287e08 r7:ec8d1e60 r6:84aba480 r5:84926000 ** 7 printk messages dropped ** [ 1351.225334][ T32] r4:84aa2bc0 ** 3 printk messages dropped ** [ 1351.226229][ T32] Call trace: ** 4 printk messages dropped ** [ 1351.226571][ T32] Exception stack(0xe0459d28 to 0xe0459d70) ** 3 printk messages dropped ** [ 1351.226789][ T32] r5:900d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1351.227200][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 ** 11 printk messages dropped ** [ 1351.228008][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1351.228461][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1351.229050][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1351.248621][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1351.249176][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1351.249911][ T32] r5:858dbf8c r4:858dbc00 [ 1351.249940][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.250023][ T32] r7:dddced80 r6:83018000 r5:858dbf8c r4:84aba500 [ 1351.250087][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.250184][ T32] r10:61c88647 r9:85048000 r8:84aba52c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.250229][ T32] r4:84aba500 [ 1351.250272][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.250363][ T32] r10:00000000 r9:84aba500 r8:80287e08 r7:ec949e60 r6:84aba580 r5:85048000 [ 1351.250413][ T32] r4:00000001 [ 1351.250456][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.250530][ T32] Exception stack(0xec945fb0 to 0xec945ff8) [ 1351.250581][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1351.250644][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.250699][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.250765][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.250811][ T32] r4:84aa2e40 [ 1351.251405][ T32] INFO: task kworker/0:356:5968 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.251475][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.251600][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.251775][ T32] Call trace: [ 1351.251907][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.252088][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.252183][ T32] r4:00000000 [ 1351.252267][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.252407][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.252529][ T32] 9d20: 80300000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.252633][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.252945][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.253042][ T32] r5:800d0013 r4:80239bb0 [ 1351.253099][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.253213][ T32] r4:82ac21e4 [ 1351.253256][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.253345][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.253417][ T32] r4:e0459dc0 [ 1351.253457][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.253547][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.253592][ T32] r4:00000000 [ 1351.253637][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.253732][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.253772][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.253858][ T32] r5:00001000 r4:ed35f000 [ 1351.253905][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.253986][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.254076][ T32] r5:85c1038c r4:85c10000 [ 1351.254119][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.254222][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.254269][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.254369][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.254416][ T32] r4:84ab5900 [ 1351.254457][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.254550][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.254637][ T32] r4:00000001 [ 1351.254695][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.254771][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.254828][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.254900][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.254970][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.255031][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.255078][ T32] r4:84aae040 [ 1351.255143][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.255209][ T32] INFO: task kworker/0:357:5969 blocked for more than 477 seconds. [ 1351.255272][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.255323][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1351.255474][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1351.255911][ T32] r5:85048c00 r4:8291a680 ** 3 printk messages dropped ** [ 1351.256162][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.256452][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8463a580 ** 5 printk messages dropped ** [ 1351.256890][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.256963][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.257043][ T32] r5:858e8b8c r4:858e8800 [ 1351.257083][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.257180][ T32] r7:dddced80 r6:83018000 r5:858e8b8c r4:84aba600 [ 1351.257223][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.257309][ T32] r10:61c88647 r9:85048c00 r8:84aba62c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.257357][ T32] r4:84aba600 [ 1351.257396][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.257485][ T32] r10:00000000 r9:84aba600 r8:80287e08 r7:ec945e60 r6:84aba680 r5:85048c00 [ 1351.257533][ T32] r4:00000001 [ 1351.257569][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.257640][ T32] Exception stack(0xec94dfb0 to 0xec94dff8) [ 1351.257689][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.257746][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.257800][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.257866][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.257918][ T32] r4:8463a000 [ 1351.258336][ T32] INFO: task kworker/0:357:5969 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.258404][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.258521][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.258632][ T32] Call trace: [ 1351.258698][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.258814][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.258876][ T32] r4:00000000 [ 1351.258914][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.259002][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.259059][ T32] 9d20: 80300000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.259114][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.259163][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.259260][ T32] r5:800d0013 r4:80239bb0 [ 1351.282988][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.283087][ T32] r4:82ac21e4 [ 1351.283112][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.283277][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.283308][ T32] r4:e0459dc0 [ 1351.283370][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.283420][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.283445][ T32] r4:00000000 [ 1351.283465][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.283512][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.283549][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.283600][ T32] r5:00001000 r4:ed35f000 [ 1351.283625][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.283667][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.283710][ T32] r5:85c1038c r4:85c10000 [ 1351.283731][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.283797][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.283867][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.283941][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.283970][ T32] r4:84ab5900 [ 1351.283991][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.284040][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 5 printk messages dropped ** [ 1351.284298][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1351.284807][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1351.285265][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1351.285928][ T32] r5:00001000 r4:eb959000 ** 2 printk messages dropped ** [ 1351.286033][ T32] r5:858e838c r4:858e8000 [ 1351.286219][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1351.286422][ T32] r10:61c88647 r9:85049800 r8:84aba72c r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1351.286757][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1351.287706][ T32] Exception stack(0xe0459d28 to 0xe0459d70) ** 6 printk messages dropped ** [ 1351.288010][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 8 printk messages dropped ** [ 1351.288413][ T32] r5:00001000 r4:ed35f000 ** 6 printk messages dropped ** [ 1351.288687][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1351.288972][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1351.308596][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1351.308967][ T32] r5:8504a400 r4:8291a680 ** 5 printk messages dropped ** [ 1351.312552][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.312677][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.312756][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8463a380 [ 1351.312783][ T32] r4:00000000 [ 1351.312829][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.312892][ T32] r9:83018005 r8:8504a400 r7:00000000 r6:83018000 r5:00001000 r4:7f07b000 [ 1351.312924][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.312992][ T32] r5:00001000 r4:eb9c5000 [ 1351.313022][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.313091][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.313142][ T32] r5:858e878c r4:858e8400 [ 1351.313191][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.313245][ T32] r7:dddced80 r6:83018000 r5:858e878c r4:84aba800 [ 1351.313267][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.313316][ T32] r10:61c88647 r9:8504a400 r8:84aba82c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.313339][ T32] r4:84aba800 [ 1351.313405][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.313460][ T32] r10:00000000 r9:84aba800 r8:80287e08 r7:ec94de60 r6:84aba880 r5:8504a400 [ 1351.313484][ T32] r4:00000001 [ 1351.313506][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.313544][ T32] Exception stack(0xec959fb0 to 0xec959ff8) [ 1351.313574][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.313604][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.313634][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.313671][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.313739][ T32] r4:8463a340 [ 1351.314318][ T32] INFO: task kworker/0:359:5972 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.314392][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.314465][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.314605][ T32] Call trace: [ 1351.314706][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.314768][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.314852][ T32] r4:00000000 [ 1351.314879][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.314973][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.315012][ T32] 9d20: 809d9000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.315076][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.315108][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.315173][ T32] r5:800d0013 r4:80239bb0 [ 1351.315232][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.315315][ T32] r4:82ac21e4 [ 1351.315340][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.315394][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.315421][ T32] r4:e0459dc0 [ 1351.315477][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.315597][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.315646][ T32] r4:00000000 [ 1351.315674][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.315734][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.315790][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.315878][ T32] r5:00001000 r4:ed35f000 [ 1351.315912][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.316009][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.316107][ T32] r5:85c1038c r4:85c10000 [ 1351.316148][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.316217][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.316256][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.316375][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.316423][ T32] r4:84ab5900 [ 1351.316449][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.316542][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.316600][ T32] r4:00000001 [ 1351.316647][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.316733][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.316774][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.316820][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.316879][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.316942][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.316985][ T32] r4:84aae040 [ 1351.317009][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.317041][ T32] INFO: task kworker/0:360:5975 blocked for more than 477 seconds. ** 2 printk messages dropped ** [ 1351.317220][ T32] task:kworker/0:360 state:D stack:0 pid:5975 tgid:5975 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1351.317863][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec955e08 ** 9 printk messages dropped ** [ 1351.318443][ T32] r5:00001000 r4:ebcb1000 ** 2 printk messages dropped ** [ 1351.318667][ T32] r5:858e938c r4:858e9000 ** 3 printk messages dropped ** [ 1351.318913][ T32] r10:61c88647 r9:8504b000 r8:84aba92c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1351.340241][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1351.341648][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 ** 10 printk messages dropped ** [ 1351.342393][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 ** 8 printk messages dropped ** [ 1351.342981][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 9 printk messages dropped ** [ 1351.343833][ T32] r4:00000001 [ 1351.343872][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.343960][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.344018][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.344081][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.344127][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.344192][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.344239][ T32] r4:84aae040 [ 1351.344282][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.344344][ T32] INFO: task kworker/0:361:5977 blocked for more than 477 seconds. [ 1351.344404][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.344432][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.344455][ T32] task:kworker/0:361 state:D stack:0 pid:5977 tgid:5977 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.344555][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.344638][ T32] Call trace: [ 1351.344672][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.344727][ T32] r10:8291a684 r9:ec961d84 r8:00000002 r7:60000013 r6:ec961d8c r5:8504c800 [ 1351.344783][ T32] r4:8504c800 [ 1351.344819][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.344894][ T32] r5:8504c800 r4:8291a680 [ 1351.344945][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.345004][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.345068][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec961e08 [ 1351.345134][ T32] r4:00000000 [ 1351.345162][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.345217][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.345287][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.345377][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8463a6c0 [ 1351.345418][ T32] r4:00000000 [ 1351.345444][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.345491][ T32] r9:83018005 r8:8504c800 r7:00000000 r6:83018000 r5:00001000 r4:7f081000 [ 1351.345516][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.345574][ T32] r5:00001000 r4:ebc77000 [ 1351.345599][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.345644][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.345703][ T32] r5:858e8f8c r4:858e8c00 [ 1351.345762][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.345818][ T32] r7:dddced80 r6:83018000 r5:858e8f8c r4:84abaa00 [ 1351.345842][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.345919][ T32] r10:61c88647 r9:8504c800 r8:84abaa2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.345954][ T32] r4:84abaa00 [ 1351.346004][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.346066][ T32] r10:00000000 r9:84abaa00 r8:80287e08 r7:ec955e60 r6:84abaa80 r5:8504c800 [ 1351.346092][ T32] r4:00000001 [ 1351.346112][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.346164][ T32] Exception stack(0xec961fb0 to 0xec961ff8) [ 1351.346219][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.346277][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.346339][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.346390][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.346463][ T32] r4:8463a540 [ 1351.346712][ T32] INFO: task kworker/0:361:5977 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.346763][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.346866][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.346950][ T32] Call trace: [ 1351.347022][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.347120][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.347172][ T32] r4:00000000 [ 1351.347222][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 4 printk messages dropped ** [ 1351.347526][ T32] r5:800d0013 r4:80239bb0 ** 4 printk messages dropped ** [ 1351.347803][ T32] r4:e0459dc0 ** 6 printk messages dropped ** [ 1351.348271][ T32] r5:00001000 r4:ed35f000 ** 7 printk messages dropped ** [ 1351.348849][ T32] r4:84ab5900 ** 4 printk messages dropped ** [ 1351.349184][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) ** 6 printk messages dropped ** [ 1351.380437][ T32] INFO: task kworker/0:362:5978 blocked for more than 477 seconds. ** 7 printk messages dropped ** [ 1351.381095][ T32] r4:8504d400 ** 2 printk messages dropped ** [ 1351.381287][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1351.381855][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1351.382358][ T32] r5:858e978c r4:858e9400 [ 1351.382409][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1351.382691][ T32] r4:84abab00 ** 6 printk messages dropped ** [ 1351.383108][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1351.383939][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1351.384183][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1351.384455][ T32] r4:e0459dc0 ** 5 printk messages dropped ** [ 1351.384702][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1351.385147][ T32] r4:84ab5900 ** 2 printk messages dropped ** [ 1351.385338][ T32] r4:00000001 [ 1351.385382][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.385420][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.385452][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.385480][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.385506][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.385542][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.385593][ T32] r4:84aae040 [ 1351.385638][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.385687][ T32] INFO: task kworker/0:363:5981 blocked for more than 477 seconds. [ 1351.385738][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.385764][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.385811][ T32] task:kworker/0:363 state:D stack:0 pid:5981 tgid:5981 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.385897][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.385999][ T32] Call trace: [ 1351.386055][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.386162][ T32] r10:8291a684 r9:ec969d84 r8:00000002 r7:60000113 r6:ec969d8c r5:8504ec00 [ 1351.386227][ T32] r4:8504ec00 [ 1351.386328][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.386390][ T32] r5:8504ec00 r4:8291a680 [ 1351.386424][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.386503][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.386588][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec969e08 [ 1351.386647][ T32] r4:00000000 [ 1351.386676][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.386768][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.386840][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.386919][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6e140 [ 1351.386952][ T32] r4:00000000 [ 1351.386986][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.387077][ T32] r9:83018005 r8:8504ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f0a9000 [ 1351.387123][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.387203][ T32] r5:00001000 r4:ec51b000 [ 1351.387273][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.387389][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.387471][ T32] r5:8583b78c r4:8583b400 [ 1351.387520][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.387621][ T32] r7:dddced80 r6:83018000 r5:8583b78c r4:84abac00 [ 1351.387691][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.387792][ T32] r10:61c88647 r9:8504ec00 r8:84abac2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.387843][ T32] r4:84abac00 [ 1351.387891][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.387987][ T32] r10:00000000 r9:84abac00 r8:80287e08 r7:ec965e60 r6:84abac80 r5:8504ec00 [ 1351.388040][ T32] r4:00000001 [ 1351.388097][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.388166][ T32] Exception stack(0xec969fb0 to 0xec969ff8) [ 1351.388239][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.388317][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.388388][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.388423][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.388449][ T32] r4:8463a980 [ 1351.388774][ T32] INFO: task kworker/0:363:5981 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.388861][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.388950][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.389010][ T32] Call trace: [ 1351.389135][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.389259][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.416965][ T32] r4:00000000 [ 1351.417046][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.417201][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.417251][ T32] 9d20: 8137a000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.417306][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.417359][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.417421][ T32] r5:800d0013 r4:80239bb0 [ 1351.417475][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.417553][ T32] r4:82ac21e4 [ 1351.417582][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.417670][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.417740][ T32] r4:e0459dc0 [ 1351.417782][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.417831][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.417872][ T32] r4:00000000 [ 1351.417944][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.418072][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.418117][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.418213][ T32] r5:00001000 r4:ed35f000 [ 1351.418258][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.418347][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.418406][ T32] r5:85c1038c r4:85c10000 [ 1351.418458][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.418553][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.418693][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.418808][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.418866][ T32] r4:84ab5900 [ 1351.418917][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.419000][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.419057][ T32] r4:00000001 [ 1351.419100][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.419154][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.419209][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1351.422675][ T32] INFO: task kworker/0:364:5983 blocked for more than 477 seconds. ** 9 printk messages dropped ** [ 1351.423407][ T32] r5:8504bc00 r4:8291a680 ** 3 printk messages dropped ** [ 1351.423619][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1351.423961][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1351.424440][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1351.424702][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1351.425111][ T32] Exception stack(0xec96dfb0 to 0xec96dff8) ** 6 printk messages dropped ** [ 1351.425856][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1351.426640][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1351.426884][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 ** 7 printk messages dropped ** [ 1351.427286][ T32] r5:85c1038c r4:85c10000 ** 6 printk messages dropped ** [ 1351.427641][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 7 printk messages dropped ** [ 1351.427937][ T32] r4:84aae040 ** 5 printk messages dropped ** [ 1351.428212][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1351.428809][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1351.429254][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b71600 ** 6 printk messages dropped ** [ 1351.452795][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1351.453010][ T32] r10:61c88647 r9:85920000 r8:84abae2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1351.453333][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1351.453396][ T32] r4:8463adc0 [ 1351.453816][ T32] INFO: task kworker/0:365:5986 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.453855][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.453932][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.454002][ T32] Call trace: [ 1351.454062][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.454119][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.454142][ T32] r4:00000000 [ 1351.454163][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.454202][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.454253][ T32] 9d20: 8168d000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.454287][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.454340][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.454400][ T32] r5:800d0013 r4:80239bb0 [ 1351.454442][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.454500][ T32] r4:82ac21e4 [ 1351.454526][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.454593][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.454643][ T32] r4:e0459dc0 [ 1351.454667][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.454738][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.454766][ T32] r4:00000000 [ 1351.454808][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.454880][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.454904][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.454960][ T32] r5:00001000 r4:ed35f000 [ 1351.454991][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.455035][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.455081][ T32] r5:85c1038c r4:85c10000 [ 1351.455103][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.455175][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.455202][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.455251][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.455274][ T32] r4:84ab5900 [ 1351.455293][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.455340][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.455396][ T32] r4:00000001 [ 1351.455421][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.455459][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.455488][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.455517][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.455544][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.455574][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.455597][ T32] r4:84aae040 [ 1351.455623][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.455676][ T32] INFO: task kworker/0:366:5988 blocked for more than 477 seconds. [ 1351.455715][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.455741][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.455763][ T32] task:kworker/0:366 state:D stack:0 pid:5988 tgid:5988 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.455809][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.455851][ T32] Call trace: [ 1351.455889][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.455939][ T32] r10:8291a684 r9:ec979d84 r8:00000002 r7:60000013 r6:ec979d8c r5:85922400 [ 1351.455962][ T32] r4:85922400 [ 1351.455982][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.456035][ T32] r5:85922400 r4:8291a680 [ 1351.456058][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.456121][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.456167][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec979e08 [ 1351.456190][ T32] r4:00000000 [ 1351.456209][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.456267][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.456308][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.456348][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8463a2c0 [ 1351.456391][ T32] r4:00000000 [ 1351.456416][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.456482][ T32] r9:83018005 r8:85922400 r7:00000000 r6:83018000 r5:00001000 r4:7f0ab000 ** 3 printk messages dropped ** [ 1351.456673][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.456714][ T32] r5:858ea38c r4:858ea000 ** 1 printk messages dropped ** [ 1351.456780][ T32] r7:dddced80 r6:83018000 r5:858ea38c r4:84abaf00 ** 4 printk messages dropped ** [ 1351.456951][ T32] r10:00000000 r9:84abaf00 r8:80287e08 r7:ec975e60 r6:84abaf80 r5:85922400 ** 6 printk messages dropped ** [ 1351.457189][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1351.457815][ T32] Exception stack(0xe0459d28 to 0xe0459d70) ** 3 printk messages dropped ** [ 1351.457936][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1351.458155][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 ** 9 printk messages dropped ** [ 1351.458592][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 ** 6 printk messages dropped ** [ 1351.458851][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1351.459058][ T32] INFO: task kworker/0:367:5990 blocked for more than 477 seconds. ** 2 printk messages dropped ** [ 1351.459145][ T32] task:kworker/0:367 state:D stack:0 pid:5990 tgid:5990 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.459209][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.477586][ T32] Call trace: [ 1351.477706][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.477812][ T32] r10:8291a684 r9:ec97dd84 r8:00000002 r7:60000113 r6:ec97dd8c r5:85923000 [ 1351.477843][ T32] r4:85923000 [ 1351.477864][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.477932][ T32] r5:85923000 r4:8291a680 [ 1351.477959][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.478001][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.478042][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec97de08 [ 1351.478064][ T32] r4:00000000 [ 1351.478084][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.478117][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.478155][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.478220][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b71140 [ 1351.478270][ T32] r4:00000000 [ 1351.478345][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.478405][ T32] r9:83018005 r8:85923000 r7:00000000 r6:83018000 r5:00001000 r4:7f0ad000 [ 1351.478453][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.478528][ T32] r5:00001000 r4:ec547000 [ 1351.478577][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.478626][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.478671][ T32] r5:858ea78c r4:858ea400 [ 1351.478692][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.478762][ T32] r7:dddced80 r6:83018000 r5:858ea78c r4:841c9000 [ 1351.478789][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.478838][ T32] r10:61c88647 r9:85923000 r8:841c902c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.478860][ T32] r4:841c9000 [ 1351.478880][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.478926][ T32] r10:00000000 r9:841c9000 r8:80287e08 r7:ec975e60 r6:841c9080 r5:85923000 [ 1351.478949][ T32] r4:00000001 [ 1351.478968][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.479010][ T32] Exception stack(0xec97dfb0 to 0xec97dff8) [ 1351.479044][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.479073][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.479123][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.479157][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.479204][ T32] r4:84b71100 [ 1351.481863][ T32] INFO: task kworker/0:367:5990 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.481958][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.482065][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.482141][ T32] Call trace: [ 1351.482201][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.482273][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.482307][ T32] r4:00000000 [ 1351.482330][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.482380][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.482411][ T32] 9d20: 81a5b000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.482494][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.482557][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.482623][ T32] r5:800d0013 r4:80239bb0 [ 1351.482677][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.482790][ T32] r4:82ac21e4 [ 1351.482832][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.482953][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.482981][ T32] r4:e0459dc0 [ 1351.483001][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.483044][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.483081][ T32] r4:00000000 [ 1351.483115][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.483164][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.483187][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.483230][ T32] r5:00001000 r4:ed35f000 [ 1351.483251][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.483292][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.483389][ T32] r5:85c1038c r4:85c10000 [ 1351.483427][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1351.483746][ T32] r4:84ab5900 ** 4 printk messages dropped ** [ 1351.484136][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) ** 6 printk messages dropped ** [ 1351.484563][ T32] INFO: task kworker/0:368:5992 blocked for more than 477 seconds. ** 9 printk messages dropped ** [ 1351.485205][ T32] r5:85923c00 r4:8291a680 ** 5 printk messages dropped ** [ 1351.485772][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1351.486390][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1351.486654][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1351.487009][ T32] Exception stack(0xec981fb0 to 0xec981ff8) ** 4 printk messages dropped ** [ 1351.487356][ T32] r4:84b71280 ** 5 printk messages dropped ** [ 1351.488229][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 ** 7 printk messages dropped ** [ 1351.488638][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 2 printk messages dropped ** [ 1351.488910][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.488961][ T32] r4:e0459dc0 [ 1351.489018][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.489114][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.489258][ T32] r4:00000000 [ 1351.509894][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.510097][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.510130][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.510185][ T32] r5:00001000 r4:ed35f000 [ 1351.510208][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.510252][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.510301][ T32] r5:85c1038c r4:85c10000 [ 1351.510324][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.510387][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.510411][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.510464][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.510488][ T32] r4:84ab5900 [ 1351.510510][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.510561][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.510585][ T32] r4:00000001 [ 1351.510607][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.510648][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.510681][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.510713][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.510742][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.510856][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.510926][ T32] r4:84aae040 [ 1351.510954][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.511021][ T32] INFO: task kworker/0:369:5993 blocked for more than 477 seconds. [ 1351.511060][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.511089][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.511120][ T32] task:kworker/0:369 state:D stack:0 pid:5993 tgid:5993 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.511183][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.511322][ T32] Call trace: [ 1351.511367][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.511428][ T32] r10:8291a684 r9:ec985d84 r8:00000002 r7:60000113 r6:ec985d8c r5:85920c00 [ 1351.511453][ T32] r4:85920c00 [ 1351.511528][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.511646][ T32] r5:85920c00 r4:8291a680 [ 1351.511673][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.511717][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.511801][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec985e08 [ 1351.511851][ T32] r4:00000000 [ 1351.511874][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.511914][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.512250][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.512333][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b71a00 [ 1351.512380][ T32] r4:00000000 [ 1351.512406][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.512454][ T32] r9:83018005 r8:85920c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0d1000 [ 1351.512477][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.512590][ T32] r5:00001000 r4:ec65f000 [ 1351.512623][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.512670][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.512810][ T32] r5:858eb78c r4:858eb400 [ 1351.512836][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.512885][ T32] r7:dddced80 r6:83018000 r5:858eb78c r4:841c9200 [ 1351.512975][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.513030][ T32] r10:61c88647 r9:85920c00 r8:841c922c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.513082][ T32] r4:841c9200 [ 1351.513106][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.513154][ T32] r10:00000000 r9:841c9200 r8:80287e08 r7:ec975e60 r6:841c9280 r5:85920c00 ** 5 printk messages dropped ** [ 1351.513437][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1351.514278][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 ** 7 printk messages dropped ** [ 1351.514612][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 11 printk messages dropped ** [ 1351.515178][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 7 printk messages dropped ** [ 1351.515621][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1351.516087][ T32] r4:84aae040 ** 5 printk messages dropped ** [ 1351.516353][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1351.516641][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1351.516816][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.516851][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.516909][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b718c0 [ 1351.516936][ T32] r4:00000000 [ 1351.516956][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.517000][ T32] r9:83018005 r8:85921800 r7:00000000 r6:83018000 r5:00001000 r4:7f0cf000 [ 1351.517021][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.517062][ T32] r5:00001000 r4:ec61d000 [ 1351.517082][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.517180][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.517227][ T32] r5:858eb38c r4:858eb000 [ 1351.517247][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.517295][ T32] r7:dddced80 r6:83018000 r5:858eb38c r4:841c9300 [ 1351.517315][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.517360][ T32] r10:61c88647 r9:85921800 r8:841c932c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.517389][ T32] r4:841c9300 [ 1351.517409][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.517581][ T32] r10:00000000 r9:841c9300 r8:80287e08 r7:ec985e60 r6:841c9380 r5:85921800 [ 1351.517616][ T32] r4:00000001 [ 1351.517688][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.517728][ T32] Exception stack(0xec989fb0 to 0xec989ff8) [ 1351.517755][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.517785][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.517811][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.517840][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.517890][ T32] r4:84b71080 [ 1351.518116][ T32] INFO: task kworker/0:370:5995 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.518150][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.518205][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.518264][ T32] Call trace: [ 1351.518327][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.518385][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.518410][ T32] r4:00000000 [ 1351.518524][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.518591][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.518624][ T32] 9d20: 81cf7000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.518656][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.518682][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.518728][ T32] r5:800d0013 r4:80239bb0 [ 1351.518764][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.518810][ T32] r4:82ac21e4 [ 1351.518831][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.518874][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.518896][ T32] r4:e0459dc0 [ 1351.518915][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.518955][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.518994][ T32] r4:00000000 [ 1351.519018][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.519064][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.519098][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.519196][ T32] r5:00001000 r4:ed35f000 [ 1351.519253][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.544694][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.544820][ T32] r5:85c1038c r4:85c10000 [ 1351.544856][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1351.545051][ T32] r4:84ab5900 ** 4 printk messages dropped ** [ 1351.545356][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) ** 4 printk messages dropped ** [ 1351.545551][ T32] r4:84aae040 ** 5 printk messages dropped ** [ 1351.545822][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1351.546083][ T32] r5:85925400 r4:8291a680 ** 3 printk messages dropped ** [ 1351.546224][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.546468][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b71c80 ** 6 printk messages dropped ** [ 1351.546808][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1351.546922][ T32] r7:dddced80 r6:83018000 r5:858ebf8c r4:841c9400 ** 4 printk messages dropped ** [ 1351.547204][ T32] r10:00000000 r9:841c9400 r8:80287e08 r7:ec985e60 r6:841c9480 r5:85925400 ** 7 printk messages dropped ** [ 1351.547480][ T32] r4:84b719c0 ** 3 printk messages dropped ** [ 1351.548086][ T32] Call trace: ** 4 printk messages dropped ** [ 1351.548264][ T32] Exception stack(0xe0459d28 to 0xe0459d70) ** 4 printk messages dropped ** [ 1351.548468][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 12 printk messages dropped ** [ 1351.549050][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1351.567237][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1351.567438][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1351.567736][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1351.568127][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1351.568573][ T32] r5:00001000 r4:ec685000 ** 1 printk messages dropped ** [ 1351.568650][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1351.568941][ T32] r4:841c9500 ** 6 printk messages dropped ** [ 1351.569283][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1351.575834][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.576032][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.576166][ T32] Call trace: [ 1351.576223][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.576281][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.576306][ T32] r4:00000000 [ 1351.576326][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.576394][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.576427][ T32] 9d20: 8239a000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.576468][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.576497][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.576573][ T32] r5:800d0013 r4:80239bb0 [ 1351.576598][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.576647][ T32] r4:82ac21e4 [ 1351.576669][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.576711][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.576735][ T32] r4:e0459dc0 [ 1351.576755][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.576811][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.576838][ T32] r4:00000000 [ 1351.576859][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.576908][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.576930][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.576981][ T32] r5:00001000 r4:ed35f000 [ 1351.577004][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.577046][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.577132][ T32] r5:85c1038c r4:85c10000 [ 1351.577158][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.577208][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.577237][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.577288][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.577311][ T32] r4:84ab5900 [ 1351.577332][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.577398][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.577425][ T32] r4:00000001 [ 1351.577445][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.577488][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.577516][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.577547][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.577574][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.577620][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.577648][ T32] r4:84aae040 [ 1351.577670][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.577700][ T32] INFO: task kworker/0:373:6003 blocked for more than 477 seconds. [ 1351.577739][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.577767][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.577834][ T32] task:kworker/0:373 state:D stack:0 pid:6003 tgid:6003 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.577887][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.577930][ T32] Call trace: [ 1351.577959][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.578032][ T32] r10:8291a684 r9:ec991d84 r8:00000002 r7:60000113 r6:ec991d8c r5:85926c00 [ 1351.578059][ T32] r4:85926c00 [ 1351.578080][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.578122][ T32] r5:85926c00 r4:8291a680 [ 1351.578143][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.578205][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.578253][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec991e08 [ 1351.578275][ T32] r4:00000000 [ 1351.578319][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.578387][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.578428][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.578519][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b71dc0 [ 1351.578589][ T32] r4:00000000 [ 1351.578614][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.578664][ T32] r9:83018005 r8:85926c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0db000 [ 1351.578688][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.578730][ T32] r5:00001000 r4:ec6cd000 [ 1351.578776][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.578819][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.578884][ T32] r5:858f438c r4:858f4000 [ 1351.578924][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.579024][ T32] r7:dddced80 r6:83018000 r5:858f438c r4:841c9600 [ 1351.579049][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.579148][ T32] r10:61c88647 r9:85926c00 r8:841c962c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.579201][ T32] r4:841c9600 [ 1351.579323][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.592117][ T32] r10:00000000 r9:841c9600 r8:80287e08 r7:ec95de60 r6:841c9680 r5:85926c00 [ 1351.592187][ T32] r4:00000001 [ 1351.592237][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.592309][ T32] Exception stack(0xec991fb0 to 0xec991ff8) [ 1351.592344][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.592384][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.592449][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.592548][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.592582][ T32] r4:84b71d00 [ 1351.592991][ T32] INFO: task kworker/0:373:6003 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.593058][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.593162][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.593241][ T32] Call trace: [ 1351.593350][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.593454][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.593482][ T32] r4:00000000 [ 1351.593504][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.593560][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.593594][ T32] 9d20: 82682000 dfe4f000 00000001 80239b98 7f1a1000 00000001 ** 3 printk messages dropped ** [ 1351.593770][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 11 printk messages dropped ** [ 1351.594170][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1351.594552][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 9 printk messages dropped ** [ 1351.594905][ T32] INFO: task kworker/0:374:6005 blocked for more than 478 seconds. ** 7 printk messages dropped ** [ 1351.595291][ T32] r4:85924800 ** 5 printk messages dropped ** [ 1351.595536][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.595723][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8463af00 ** 6 printk messages dropped ** [ 1351.596097][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1351.596419][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1351.596726][ T32] r4:84b71c40 ** 5 printk messages dropped ** [ 1351.597290][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.597348][ T32] r4:00000000 [ 1351.597383][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.597468][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.597515][ T32] 9d20: 82682000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.597565][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.597595][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.597625][ T32] r5:800d0013 r4:80239bb0 [ 1351.597645][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.597747][ T32] r4:82ac21e4 [ 1351.597828][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.597874][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.597922][ T32] r4:e0459dc0 [ 1351.597947][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.598017][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.598056][ T32] r4:00000000 [ 1351.598141][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.598241][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.598315][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.598389][ T32] r5:00001000 r4:ed35f000 [ 1351.598440][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.598513][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.598561][ T32] r5:85c1038c r4:85c10000 [ 1351.598581][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.598633][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.598682][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.598734][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.598756][ T32] r4:84ab5900 [ 1351.598828][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.598878][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.598902][ T32] r4:00000001 [ 1351.598921][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.598955][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.598980][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.599032][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.599063][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.599093][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.599144][ T32] r4:84aae040 [ 1351.599170][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.599215][ T32] INFO: task kworker/0:375:6007 blocked for more than 478 seconds. [ 1351.619941][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.620066][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.620115][ T32] task:kworker/0:375 state:D stack:0 pid:6007 tgid:6007 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.620208][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.620305][ T32] Call trace: [ 1351.620392][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.620549][ T32] r10:8291a684 r9:ec999d84 r8:00000002 r7:60000013 r6:ec999d8c r5:8504e000 [ 1351.620618][ T32] r4:8504e000 [ 1351.620659][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.620755][ T32] r5:8504e000 r4:8291a680 [ 1351.620802][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.620886][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 1 printk messages dropped ** [ 1351.621027][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.621307][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b71f80 ** 6 printk messages dropped ** [ 1351.621861][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.621955][ T32] r5:858f478c r4:858f4400 ** 2 printk messages dropped ** [ 1351.622168][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1351.622577][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1351.622972][ T32] r4:8463ae40 ** 3 printk messages dropped ** [ 1351.623755][ T32] Call trace: ** 4 printk messages dropped ** [ 1351.624105][ T32] Exception stack(0xe0459d28 to 0xe0459d70) ** 5 printk messages dropped ** [ 1351.624390][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1351.624604][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1351.624789][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1351.625078][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 9 printk messages dropped ** [ 1351.625423][ T32] INFO: task kworker/0:376:6009 blocked for more than 478 seconds. ** 9 printk messages dropped ** [ 1351.626017][ T32] r5:85050000 r4:8291a680 ** 3 printk messages dropped ** [ 1351.626213][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.626397][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84606180 ** 1 printk messages dropped ** [ 1351.626446][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.626490][ T32] r9:83018005 r8:85050000 r7:00000000 r6:83018000 r5:00001000 r4:7f133000 [ 1351.626513][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.626553][ T32] r5:00001000 r4:ec9a9000 [ 1351.626601][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.626648][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.626690][ T32] r5:858f4f8c r4:858f4c00 [ 1351.626734][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.626786][ T32] r7:dddced80 r6:83018000 r5:858f4f8c r4:841c9900 [ 1351.626808][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.626854][ T32] r10:61c88647 r9:85050000 r8:841c992c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.626876][ T32] r4:841c9900 [ 1351.626895][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.626938][ T32] r10:00000000 r9:841c9900 r8:80287e08 r7:ec995e60 r6:841c9980 r5:85050000 [ 1351.626965][ T32] r4:00000001 [ 1351.626986][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.627021][ T32] Exception stack(0xec971fb0 to 0xec971ff8) [ 1351.627071][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.627104][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.627133][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.627188][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.627216][ T32] r4:84b71f00 [ 1351.627432][ T32] INFO: task kworker/0:376:6009 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.627467][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.627559][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.627696][ T32] Call trace: [ 1351.627727][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.627865][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.627893][ T32] r4:00000000 [ 1351.627913][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.627952][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.627980][ T32] 9d20: 828d0000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.628010][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.628076][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.628104][ T32] r5:800d0013 r4:80239bb0 [ 1351.628125][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.628165][ T32] r4:82ac21e4 [ 1351.628186][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.628242][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.628294][ T32] r4:e0459dc0 [ 1351.628343][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.628419][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.628446][ T32] r4:00000000 [ 1351.628532][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.628604][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.628650][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.628699][ T32] r5:00001000 r4:ed35f000 [ 1351.628721][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.628762][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.628874][ T32] r5:85c1038c r4:85c10000 [ 1351.628903][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.628953][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.628975][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.629024][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.629046][ T32] r4:84ab5900 [ 1351.629088][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.629140][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.629163][ T32] r4:00000001 [ 1351.629182][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.629217][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.629352][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.650006][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.650062][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.650099][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.650154][ T32] r4:84aae040 [ 1351.650185][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.650284][ T32] INFO: task kworker/0:377:6011 blocked for more than 478 seconds. [ 1351.650325][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.650352][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.650386][ T32] task:kworker/0:377 state:D stack:0 pid:6011 tgid:6011 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.650462][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.650532][ T32] Call trace: [ 1351.650566][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.650626][ T32] r10:8291a684 r9:ec9a1d84 r8:00000002 r7:60000013 r6:ec9a1d8c r5:85050c00 [ 1351.650660][ T32] r4:85050c00 [ 1351.650683][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.650730][ T32] r5:85050c00 r4:8291a680 [ 1351.650751][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.650791][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.650854][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec9a1e08 [ 1351.650909][ T32] r4:00000000 [ 1351.650935][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.650973][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.651012][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.651056][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84606300 [ 1351.651079][ T32] r4:00000000 [ 1351.651099][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.651146][ T32] r9:83018005 r8:85050c00 r7:00000000 r6:83018000 r5:00001000 r4:7f135000 [ 1351.651170][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.651213][ T32] r5:00001000 r4:ec9b5000 [ 1351.651273][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.651321][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.651373][ T32] r5:858f538c r4:858f5000 [ 1351.651396][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.651459][ T32] r7:dddced80 r6:83018000 r5:858f538c r4:841c9a00 [ 1351.651484][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.651560][ T32] r10:61c88647 r9:85050c00 r8:841c9a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.651596][ T32] r4:841c9a00 [ 1351.651617][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.651665][ T32] r10:00000000 r9:841c9a00 r8:80287e08 r7:ec971e60 r6:841c9a80 r5:85050c00 [ 1351.651689][ T32] r4:00000001 [ 1351.651710][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.651748][ T32] Exception stack(0xec9a1fb0 to 0xec9a1ff8) [ 1351.651802][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.651849][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.651882][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.651913][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.651937][ T32] r4:84606000 [ 1351.652346][ T32] INFO: task kworker/0:377:6011 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.652391][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.652467][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.652576][ T32] Call trace: [ 1351.652611][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.652674][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.652697][ T32] r4:00000000 [ 1351.652717][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.652755][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.652783][ T32] 9d20: 82b6f000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.652813][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.652838][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.652863][ T32] r5:800d0013 r4:80239bb0 [ 1351.652884][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.652926][ T32] r4:82ac21e4 [ 1351.652961][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.653012][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.653052][ T32] r4:e0459dc0 [ 1351.653077][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.653219][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.653247][ T32] r4:00000000 [ 1351.653268][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.653322][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.653349][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.653449][ T32] r5:00001000 r4:ed35f000 [ 1351.653496][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.653546][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.653590][ T32] r5:85c1038c r4:85c10000 [ 1351.653612][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.653666][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.653719][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.653793][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.653880][ T32] r4:84ab5900 [ 1351.653904][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.653982][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.654018][ T32] r4:00000001 [ 1351.654038][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.654076][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.654128][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.654162][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.654192][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.654223][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.654271][ T32] r4:84aae040 [ 1351.654311][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.654341][ T32] INFO: task kworker/0:378:6013 blocked for more than 478 seconds. [ 1351.654382][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.654408][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1351.654569][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1351.654754][ T32] r10:8291a684 r9:ec9b9d84 r8:00000002 r7:60000013 r6:ec9b9d8c r5:85051800 ** 4 printk messages dropped ** [ 1351.654960][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1351.655277][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84606640 ** 5 printk messages dropped ** [ 1351.655596][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.655643][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1351.655757][ T32] r7:dddced80 r6:83018000 r5:858f5b8c r4:841c9b00 ** 1 printk messages dropped ** [ 1351.655855][ T32] r10:61c88647 r9:85051800 r8:841c9b2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 1 printk messages dropped ** [ 1351.655907][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.655965][ T32] r10:00000000 r9:841c9b00 r8:80287e08 r7:ec9a1e60 r6:841c9b80 r5:85051800 [ 1351.655988][ T32] r4:00000001 [ 1351.656008][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.656045][ T32] Exception stack(0xec9b9fb0 to 0xec9b9ff8) [ 1351.656072][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.656116][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.656147][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.656178][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.656200][ T32] r4:84606100 [ 1351.656440][ T32] INFO: task kworker/0:378:6013 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.656476][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.656587][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.656657][ T32] Call trace: [ 1351.656746][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.656805][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.656831][ T32] r4:00000000 [ 1351.656851][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.656893][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.656922][ T32] 9d20: 82b6f000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.656953][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.656980][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.657005][ T32] r5:800d0013 r4:80239bb0 [ 1351.657026][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.657118][ T32] r4:82ac21e4 [ 1351.657144][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.657214][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.657244][ T32] r4:e0459dc0 [ 1351.657265][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.657309][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.657333][ T32] r4:00000000 [ 1351.657353][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.657406][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.657428][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.657473][ T32] r5:00001000 r4:ed35f000 [ 1351.657494][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.657684][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.657735][ T32] r5:85c1038c r4:85c10000 [ 1351.657808][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.657863][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.657887][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.657938][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.657962][ T32] r4:84ab5900 [ 1351.657982][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.658030][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.658055][ T32] r4:00000001 [ 1351.658075][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.658111][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.658138][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.658169][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.658214][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.658248][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.658272][ T32] r4:84aae040 [ 1351.658336][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.658401][ T32] INFO: task kworker/0:379:6014 blocked for more than 478 seconds. [ 1351.658435][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.658461][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.658484][ T32] task:kworker/0:379 state:D stack:0 pid:6014 tgid:6014 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.658531][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.658576][ T32] Call trace: [ 1351.658625][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.658677][ T32] r10:8291a684 r9:ec9c5d84 r8:00000002 r7:60000013 r6:ec9c5d8c r5:85052400 [ 1351.658702][ T32] r4:85052400 [ 1351.658723][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.658766][ T32] r5:85052400 r4:8291a680 [ 1351.658787][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.658843][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.658894][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec9c5e08 [ 1351.658918][ T32] r4:00000000 [ 1351.658939][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.658975][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.659033][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.659082][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84606480 [ 1351.659109][ T32] r4:00000000 [ 1351.659130][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.659176][ T32] r9:83018005 r8:85052400 r7:00000000 r6:83018000 r5:00001000 r4:7f137000 [ 1351.659199][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.691664][ T32] r5:00001000 r4:ec9c1000 [ 1351.691758][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.691833][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.691907][ T32] r5:858f578c r4:858f5400 [ 1351.691948][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.692029][ T32] r7:dddced80 r6:83018000 r5:858f578c r4:841c9c00 ** 1 printk messages dropped ** [ 1351.692101][ T32] r10:61c88647 r9:85052400 r8:841c9c2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1351.692369][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1351.693157][ T32] Call trace: ** 5 printk messages dropped ** [ 1351.693538][ T32] 9d20: 8317d000 dfe4f000 00000001 80239b98 7f1a1000 00000001 ** 9 printk messages dropped ** [ 1351.694038][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 ** 9 printk messages dropped ** [ 1351.694463][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 ** 8 printk messages dropped ** [ 1351.694832][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1351.695203][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1351.695457][ T32] r5:857b6c00 r4:8291a680 ** 5 printk messages dropped ** [ 1351.695639][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1351.695989][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1351.696259][ T32] r10:61c88647 r9:857b6c00 r8:841c9d2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1351.696630][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1351.697168][ T32] Call trace: ** 5 printk messages dropped ** [ 1351.697415][ T32] 9d20: 8317d000 dfe4f000 00000001 80239b98 7f1a1000 00000001 ** 3 printk messages dropped ** [ 1351.697519][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.697558][ T32] r4:82ac21e4 [ 1351.697579][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.697620][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.697647][ T32] r4:e0459dc0 [ 1351.697667][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.697708][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.697736][ T32] r4:00000000 [ 1351.697784][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.697850][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.697872][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.697936][ T32] r5:00001000 r4:ed35f000 [ 1351.697961][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.698003][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.698065][ T32] r5:85c1038c r4:85c10000 [ 1351.698111][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.698161][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.698203][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.698274][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.698325][ T32] r4:84ab5900 [ 1351.698356][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.698412][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.698436][ T32] r4:00000001 [ 1351.698455][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.698500][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.698539][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.698570][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.698597][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.698624][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.698649][ T32] r4:84aae040 [ 1351.698668][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.698695][ T32] INFO: task kworker/0:381:6018 blocked for more than 478 seconds. [ 1351.698721][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.698754][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.698778][ T32] task:kworker/0:381 state:D stack:0 pid:6018 tgid:6018 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.698823][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.698865][ T32] Call trace: [ 1351.698920][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.698969][ T32] r10:8291a684 r9:ec9e5d84 r8:00000002 r7:60000113 r6:ec9e5d8c r5:857b4800 [ 1351.698991][ T32] r4:857b4800 [ 1351.699027][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.699088][ T32] r5:857b4800 r4:8291a680 [ 1351.699119][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.699174][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.699218][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec9e5e08 [ 1351.699318][ T32] r4:00000000 [ 1351.716601][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.716699][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.716786][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.716841][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84606840 [ 1351.716867][ T32] r4:00000000 [ 1351.716888][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.716960][ T32] r9:83018005 r8:857b4800 r7:00000000 r6:83018000 r5:00001000 r4:7f13d000 [ 1351.716989][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.717038][ T32] r5:00001000 r4:ec9ed000 [ 1351.717059][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.717099][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.717143][ T32] r5:858f5f8c r4:858f5c00 [ 1351.717186][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.717241][ T32] r7:dddced80 r6:83018000 r5:858f5f8c r4:841c9d80 [ 1351.717265][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.717350][ T32] r10:61c88647 r9:857b4800 r8:841c9dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.717385][ T32] r4:841c9d80 [ 1351.717417][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.717471][ T32] r10:00000000 r9:841c9d80 r8:80287e08 r7:ec9e1e60 r6:85823e80 r5:857b4800 [ 1351.717494][ T32] r4:00000001 [ 1351.717515][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 4 printk messages dropped ** [ 1351.717729][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1351.718611][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1351.718742][ T32] 9d20: 8356b000 dfe4f000 00000001 80239b98 7f1a1000 00000001 ** 9 printk messages dropped ** [ 1351.719131][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.719180][ T32] r4:00000000 [ 1351.719205][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.719337][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.732571][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.732680][ T32] r5:00001000 r4:ed35f000 [ 1351.732704][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.732748][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.732792][ T32] r5:85c1038c r4:85c10000 [ 1351.732813][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.732861][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.732882][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.732931][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.732953][ T32] r4:84ab5900 [ 1351.732974][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.733022][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.733096][ T32] r4:00000001 [ 1351.733122][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.733163][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.733216][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.733251][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.733279][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.733329][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.733356][ T32] r4:84aae040 [ 1351.733388][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.733435][ T32] INFO: task kworker/0:382:6022 blocked for more than 478 seconds. [ 1351.733474][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.733500][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.733523][ T32] task:kworker/0:382 state:D stack:0 pid:6022 tgid:6022 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.733594][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.733645][ T32] Call trace: [ 1351.733678][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.733732][ T32] r10:8291a684 r9:eca01d84 r8:00000002 r7:60000113 r6:eca01d8c r5:857b5400 [ 1351.733775][ T32] r4:857b5400 [ 1351.733799][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.733845][ T32] r5:857b5400 r4:8291a680 [ 1351.733867][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.733906][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.733970][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca01e08 [ 1351.733997][ T32] r4:00000000 [ 1351.734017][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.734052][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.734089][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.734130][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84606c40 [ 1351.734164][ T32] r4:00000000 [ 1351.734188][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.734235][ T32] r9:83018005 r8:857b5400 r7:00000000 r6:83018000 r5:00001000 r4:7f143000 [ 1351.734257][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.734320][ T32] r5:00001000 r4:eca09000 [ 1351.734365][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.734416][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.734459][ T32] r5:858f6b8c r4:858f6800 [ 1351.734480][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1351.734717][ T32] r4:841c9e00 ** 6 printk messages dropped ** [ 1351.734992][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1351.735799][ T32] Call trace: ** 5 printk messages dropped ** [ 1351.736028][ T32] 9d20: 83865000 dfe4f000 00000001 80239b98 7f1a1000 00000001 ** 7 printk messages dropped ** [ 1351.736342][ T32] r4:e0459dc0 ** 5 printk messages dropped ** [ 1351.736622][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1351.737191][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 7 printk messages dropped ** [ 1351.737408][ T32] r4:84aae040 ** 5 printk messages dropped ** [ 1351.737681][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1351.738135][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1351.738527][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1351.738654][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1351.738981][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1351.739162][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.739194][ T32] r4:84606940 [ 1351.756930][ T32] INFO: task kworker/0:383:6024 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.757059][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.757176][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.757300][ T32] Call trace: [ 1351.757344][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.757460][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.757489][ T32] r4:00000000 [ 1351.757510][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.757552][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.757581][ T32] 9d20: 83d58000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.757622][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.757657][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.757683][ T32] r5:800d0013 r4:80239bb0 [ 1351.757724][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.757773][ T32] r4:82ac21e4 [ 1351.757795][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.757837][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.757858][ T32] r4:e0459dc0 [ 1351.757877][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.757974][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.758010][ T32] r4:00000000 [ 1351.758032][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.758079][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.758100][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.758181][ T32] r5:00001000 r4:ed35f000 [ 1351.758213][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.758275][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.758349][ T32] r5:85c1038c r4:85c10000 [ 1351.758391][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.758471][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.758497][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.758544][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.758566][ T32] r4:84ab5900 [ 1351.758585][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.758654][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.758687][ T32] r4:00000001 [ 1351.758741][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.758786][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.758813][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.758840][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.758866][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.758914][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.758941][ T32] r4:84aae040 [ 1351.758986][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.759028][ T32] INFO: task kworker/0:384:6026 blocked for more than 478 seconds. [ 1351.759077][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.759104][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.759133][ T32] task:kworker/0:384 state:D stack:0 pid:6026 tgid:6026 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.759207][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.765561][ T32] Call trace: [ 1351.765619][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.765723][ T32] r10:8291a684 r9:eba95d84 r8:00000002 r7:60000013 r6:eba95d8c r5:85191800 ** 3 printk messages dropped ** [ 1351.765913][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1351.766483][ T32] r5:00001000 r4:eca15000 ** 1 printk messages dropped ** [ 1351.766551][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1351.766695][ T32] r7:dddced80 r6:83018000 r5:858f6f8c r4:841c9f00 ** 5 printk messages dropped ** [ 1351.766918][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1351.767151][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 7 printk messages dropped ** [ 1351.768015][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1351.768201][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff ** 8 printk messages dropped ** [ 1351.768628][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1351.768890][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1351.769164][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1351.782804][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1351.783161][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1351.783511][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1351.783745][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1351.783954][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1351.784197][ T32] r10:61c88647 r9:850d0000 r8:841c9fac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1351.784558][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1351.785220][ T32] Call trace: ** 5 printk messages dropped ** [ 1351.785555][ T32] 9d20: 8432e000 dfe4f000 00000001 80239b98 7f1a1000 00000001 ** 2 printk messages dropped ** [ 1351.785690][ T32] r5:800d0013 r4:80239bb0 [ 1351.785743][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.785806][ T32] r4:82ac21e4 [ 1351.785829][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.785872][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.785895][ T32] r4:e0459dc0 [ 1351.785915][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.785955][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.785977][ T32] r4:00000000 [ 1351.786012][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.786126][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.786160][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.786216][ T32] r5:00001000 r4:ed35f000 [ 1351.786242][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.786284][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.786349][ T32] r5:85c1038c r4:85c10000 [ 1351.786391][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.786443][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.786466][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.786515][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.786558][ T32] r4:84ab5900 [ 1351.786601][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.786667][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.786727][ T32] r4:00000001 [ 1351.786758][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.786818][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.786850][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.786880][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.786906][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.786935][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.786957][ T32] r4:84aae040 [ 1351.787000][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.787029][ T32] INFO: task kworker/0:386:6030 blocked for more than 478 seconds. [ 1351.787058][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.787082][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.787103][ T32] task:kworker/0:386 state:D stack:0 pid:6030 tgid:6030 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.787150][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.787230][ T32] Call trace: [ 1351.787285][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.787335][ T32] r10:8291a684 r9:eca31d84 r8:00000002 r7:60000113 r6:eca31d8c r5:850d1800 [ 1351.787359][ T32] r4:850d1800 [ 1351.787386][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.787443][ T32] r5:850d1800 r4:8291a680 [ 1351.787467][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.787506][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.787547][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca31e08 [ 1351.787569][ T32] r4:00000000 [ 1351.787588][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.787635][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.787675][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.787718][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84606ec0 [ 1351.787740][ T32] r4:00000000 [ 1351.787760][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.787804][ T32] r9:83018005 r8:850d1800 r7:00000000 r6:83018000 r5:00001000 r4:7f03f000 [ 1351.787825][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.787866][ T32] r5:00001000 r4:dfafb000 [ 1351.787887][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.787926][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.787968][ T32] r5:858f738c r4:858f7000 [ 1351.787988][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.788033][ T32] r7:dddced80 r6:83018000 r5:858f738c r4:8429d000 [ 1351.788067][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.788118][ T32] r10:61c88647 r9:850d1800 r8:8429d02c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.788162][ T32] r4:8429d000 [ 1351.788185][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.788230][ T32] r10:00000000 r9:8429d000 r8:80287e08 r7:eca29e60 r6:8429f100 r5:850d1800 [ 1351.788252][ T32] r4:00000001 [ 1351.788271][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.788305][ T32] Exception stack(0xeca31fb0 to 0xeca31ff8) [ 1351.788331][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.788359][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.788395][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.788424][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.788447][ T32] r4:84606d40 [ 1351.788733][ T32] INFO: task kworker/0:386:6030 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.788776][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.788869][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.788952][ T32] Call trace: [ 1351.788993][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.789081][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.789145][ T32] r4:00000000 [ 1351.789168][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.789277][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.810002][ T32] 9d20: 84868000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.810139][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.810245][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.810312][ T32] r5:800d0013 r4:80239bb0 [ 1351.810403][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.810539][ T32] r4:82ac21e4 [ 1351.810588][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 4 printk messages dropped ** [ 1351.810982][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1351.811458][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1351.812268][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1351.812668][ T32] r4:84aae040 ** 5 printk messages dropped ** [ 1351.813170][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1351.813716][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1351.814240][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1351.814560][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.814643][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1351.814988][ T32] r10:61c88647 r9:850d2400 r8:8429d0ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1351.815595][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1351.817012][ T32] Exception stack(0xe0459d28 to 0xe0459d70) ** 4 printk messages dropped ** [ 1351.817347][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 11 printk messages dropped ** [ 1351.818130][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1351.818476][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.818522][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.818626][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.818694][ T32] r4:84ab5900 [ 1351.818730][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.818819][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.818862][ T32] r4:00000001 [ 1351.818904][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.818976][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.819030][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.819088][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.819138][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.819200][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.819289][ T32] r4:84aae040 [ 1351.843341][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.843444][ T32] INFO: task kworker/0:388:6033 blocked for more than 478 seconds. [ 1351.843641][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.843708][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.843752][ T32] task:kworker/0:388 state:D stack:0 pid:6033 tgid:6033 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.843876][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.843998][ T32] Call trace: [ 1351.844109][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.844217][ T32] r10:8291a684 r9:eca3dd84 r8:00000002 r7:60000113 r6:eca3dd8c r5:850d0c00 [ 1351.844281][ T32] r4:850d0c00 [ 1351.844336][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.844420][ T32] r5:850d0c00 r4:8291a680 [ 1351.844465][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.844566][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.844679][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca3de08 [ 1351.844735][ T32] r4:00000000 [ 1351.844780][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.844850][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.844946][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.845037][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af5040 [ 1351.845081][ T32] r4:00000000 [ 1351.845129][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.845215][ T32] r9:83018005 r8:850d0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f08b000 [ 1351.845260][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.845344][ T32] r5:00001000 r4:eae4d000 [ 1351.845389][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.845463][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.845550][ T32] r5:858f7b8c r4:858f7800 [ 1351.845589][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.845691][ T32] r7:dddced80 r6:83018000 r5:858f7b8c r4:8429d100 [ 1351.845759][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.845877][ T32] r10:61c88647 r9:850d0c00 r8:8429d12c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.845927][ T32] r4:8429d100 [ 1351.845971][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.846102][ T32] r10:00000000 r9:8429d100 r8:80287e08 r7:eca29e60 r6:8429f200 r5:850d0c00 [ 1351.846154][ T32] r4:00000001 [ 1351.846197][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.846272][ T32] Exception stack(0xeca3dfb0 to 0xeca3dff8) [ 1351.846323][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.846384][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.846436][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.846497][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.846545][ T32] r4:84606dc0 [ 1351.847181][ T32] INFO: task kworker/0:388:6033 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.847245][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.847378][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.847485][ T32] Call trace: [ 1351.847563][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.847673][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.847734][ T32] r4:00000000 [ 1351.847779][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.847859][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.847907][ T32] 9d20: 84cee000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.847968][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.848017][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.848075][ T32] r5:800d0013 r4:80239bb0 [ 1351.848117][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.848204][ T32] r4:82ac21e4 [ 1351.848247][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.848336][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.848404][ T32] r4:e0459dc0 [ 1351.848449][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.848563][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.848609][ T32] r4:00000000 [ 1351.848677][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.848812][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.848866][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.848974][ T32] r5:00001000 r4:ed35f000 [ 1351.849026][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.849104][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.849184][ T32] r5:85c1038c r4:85c10000 [ 1351.849230][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.859863][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.859925][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.860042][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.860091][ T32] r4:84ab5900 [ 1351.860125][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.860216][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.860266][ T32] r4:00000001 [ 1351.860305][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.860394][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.860452][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.860534][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.860588][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.860654][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.860696][ T32] r4:84aae040 [ 1351.860749][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.860804][ T32] INFO: task kworker/0:389:6035 blocked for more than 478 seconds. [ 1351.860896][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.860951][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.860996][ T32] task:kworker/0:389 state:D stack:0 pid:6035 tgid:6035 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.861106][ T32] Workqueue: events bpf_prog_free_deferred ** 1 printk messages dropped ** [ 1351.861359][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 7 printk messages dropped ** [ 1351.861962][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1351.862292][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1351.862726][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1351.863086][ T32] r10:61c88647 r9:850d3000 r8:8429d1ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1351.863635][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.863701][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.863777][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.863826][ T32] r4:84af5080 [ 1351.864475][ T32] INFO: task kworker/0:389:6035 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.864579][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.864700][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.864791][ T32] Call trace: [ 1351.864889][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.864998][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.865044][ T32] r4:00000000 [ 1351.865091][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.865163][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.865222][ T32] 9d20: 84cee000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.865282][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.865331][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.865429][ T32] r5:800d0013 r4:80239bb0 [ 1351.865479][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.865578][ T32] r4:82ac21e4 [ 1351.865623][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.865712][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.865765][ T32] r4:e0459dc0 [ 1351.865804][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.865889][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.865941][ T32] r4:00000000 [ 1351.865984][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.866075][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.866124][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.866211][ T32] r5:00001000 r4:ed35f000 [ 1351.866270][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.866351][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.866434][ T32] r5:85c1038c r4:85c10000 [ 1351.866480][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.866574][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.866615][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.866713][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.866767][ T32] r4:84ab5900 [ 1351.866816][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.866950][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.867001][ T32] r4:00000001 [ 1351.867055][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.867121][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.867179][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.867231][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.867292][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.867352][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.867405][ T32] r4:84aae040 [ 1351.867466][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.867516][ T32] INFO: task kworker/0:390:6038 blocked for more than 478 seconds. [ 1351.867579][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.867664][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.867719][ T32] task:kworker/0:390 state:D stack:0 pid:6038 tgid:6038 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.867812][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.867916][ T32] Call trace: [ 1351.867982][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.868073][ T32] r10:8291a684 r9:eca4dd84 r8:00000002 r7:60000113 r6:eca4dd8c r5:850d3c00 [ 1351.868162][ T32] r4:850d3c00 [ 1351.868214][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.868299][ T32] r5:850d3c00 r4:8291a680 [ 1351.868341][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.868420][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1351.868800][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1351.898052][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.898139][ T32] r5:858fcb8c r4:858fc800 ** 2 printk messages dropped ** [ 1351.898373][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1351.899028][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1351.907569][ T32] Call trace: ** 4 printk messages dropped ** [ 1351.908158][ T32] Exception stack(0xe0459d28 to 0xe0459d70) ** 5 printk messages dropped ** [ 1351.908623][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1351.909273][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 ** 12 printk messages dropped ** [ 1351.925667][ T32] r4:84ab5900 ** 4 printk messages dropped ** [ 1351.926052][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) ** 16 printk messages dropped ** [ 1351.927398][ T32] r5:850d5400 r4:8291a680 ** 5 printk messages dropped ** [ 1351.927805][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.927885][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.927976][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af5600 [ 1351.928042][ T32] r4:00000000 [ 1351.928098][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.928188][ T32] r9:83018005 r8:850d5400 r7:00000000 r6:83018000 r5:00001000 r4:7f0e5000 [ 1351.928260][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.928351][ T32] r5:00001000 r4:eb675000 [ 1351.928457][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.928560][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.928657][ T32] r5:858fc78c r4:858fc400 [ 1351.928730][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.928826][ T32] r7:dddced80 r6:83018000 r5:858fc78c r4:8429d280 [ 1351.928875][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.928976][ T32] r10:61c88647 r9:850d5400 r8:8429d2ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.929026][ T32] r4:8429d280 [ 1351.929071][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.929164][ T32] r10:00000000 r9:8429d280 r8:80287e08 r7:eca4de60 r6:8429f380 r5:850d5400 [ 1351.939907][ T32] r4:00000001 [ 1351.940092][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.940212][ T32] Exception stack(0xeca51fb0 to 0xeca51ff8) [ 1351.940273][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.940353][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.940443][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.940543][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.940632][ T32] r4:84af5280 [ 1351.941302][ T32] INFO: task kworker/0:391:6039 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.941384][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.941596][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.941703][ T32] Call trace: [ 1351.941772][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.941895][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.941950][ T32] r4:00000000 [ 1351.941987][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.942066][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.942125][ T32] 9d20: 85541000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.942182][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.942235][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.942307][ T32] r5:800d0013 r4:80239bb0 [ 1351.942364][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.942476][ T32] r4:82ac21e4 [ 1351.942528][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.942608][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.942663][ T32] r4:e0459dc0 [ 1351.942728][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.942828][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.942895][ T32] r4:00000000 [ 1351.942940][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.943030][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.943097][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.943182][ T32] r5:00001000 r4:ed35f000 [ 1351.943224][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.943302][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.943384][ T32] r5:85c1038c r4:85c10000 [ 1351.943427][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.943515][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.943562][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.943688][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.943751][ T32] r4:84ab5900 [ 1351.943788][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.943877][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.943931][ T32] r4:00000001 [ 1351.943966][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.944040][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.944093][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.944150][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.944204][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.944256][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.944304][ T32] r4:84aae040 [ 1351.944349][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.944405][ T32] INFO: task kworker/0:392:6042 blocked for more than 478 seconds. [ 1351.944468][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.944544][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.944595][ T32] task:kworker/0:392 state:D stack:0 pid:6042 tgid:6042 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.944693][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.944799][ T32] Call trace: [ 1351.944882][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.945004][ T32] r10:8291a684 r9:eca55d84 r8:00000002 r7:60000113 r6:eca55d8c r5:850d6000 [ 1351.945056][ T32] r4:850d6000 [ 1351.945096][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.945190][ T32] r5:850d6000 r4:8291a680 [ 1351.945234][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.945343][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.945431][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca55e08 [ 1351.945479][ T32] r4:00000000 [ 1351.945520][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.945589][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.945661][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.945747][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af5840 [ 1351.945796][ T32] r4:00000000 [ 1351.945833][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.945920][ T32] r9:83018005 r8:850d6000 r7:00000000 r6:83018000 r5:00001000 r4:7f0e9000 [ 1351.945975][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.946051][ T32] r5:00001000 r4:eb875000 [ 1351.946098][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.946177][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.946259][ T32] r5:858fcf8c r4:858fcc00 [ 1351.946302][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.946391][ T32] r7:dddced80 r6:83018000 r5:858fcf8c r4:8429d300 [ 1351.946429][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.946520][ T32] r10:61c88647 r9:850d6000 r8:8429d32c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.946571][ T32] r4:8429d300 [ 1351.946608][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.946697][ T32] r10:00000000 r9:8429d300 r8:80287e08 r7:eca4de60 r6:8429f400 r5:850d6000 [ 1351.946744][ T32] r4:00000001 [ 1351.946782][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.946853][ T32] Exception stack(0xeca55fb0 to 0xeca55ff8) [ 1351.946922][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1351.946983][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.947036][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.947094][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.947166][ T32] r4:84af5540 [ 1351.947587][ T32] INFO: task kworker/0:392:6042 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1351.947674][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.947853][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.947947][ T32] Call trace: [ 1351.948094][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1351.948220][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1351.948302][ T32] r4:00000000 [ 1351.948376][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.948468][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1351.948554][ T32] 9d20: 85541000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1351.948631][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1351.948686][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1351.948752][ T32] r5:800d0013 r4:80239bb0 [ 1351.948794][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.948878][ T32] r4:82ac21e4 [ 1351.948925][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.949020][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1351.949078][ T32] r4:e0459dc0 [ 1351.949118][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.949200][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1351.975600][ T32] r4:00000000 [ 1351.975793][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.975945][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1351.976029][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1351.976136][ T32] r5:00001000 r4:ed35f000 [ 1351.976216][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1351.976305][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.976402][ T32] r5:85c1038c r4:85c10000 [ 1351.976464][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1351.976580][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1351.976640][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1351.976767][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.976825][ T32] r4:84ab5900 [ 1351.976868][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1351.976969][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1351.977024][ T32] r4:00000001 [ 1351.977064][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.977146][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1351.977238][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.977311][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.977393][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.977459][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1351.977513][ T32] r4:84aae040 [ 1351.977577][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.977680][ T32] INFO: task kworker/0:393:6044 blocked for more than 478 seconds. [ 1351.977751][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1351.977809][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.977867][ T32] task:kworker/0:393 state:D stack:0 pid:6044 tgid:6044 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.978032][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.978129][ T32] Call trace: [ 1351.978202][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1351.978349][ T32] r10:8291a684 r9:eca59d84 r8:00000002 r7:60000113 r6:eca59d8c r5:850d6c00 [ 1351.978436][ T32] r4:850d6c00 [ 1351.978492][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1351.978582][ T32] r5:850d6c00 r4:8291a680 [ 1351.978625][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.978714][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.978802][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca59e08 [ 1351.978855][ T32] r4:00000000 [ 1351.978895][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1351.978970][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1351.979043][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1351.979128][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af5940 [ 1351.979178][ T32] r4:00000000 [ 1351.979219][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1351.979382][ T32] r9:83018005 r8:850d6c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0eb000 [ 1352.000445][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.000622][ T32] r5:00001000 r4:eba2f000 [ 1352.000659][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.000712][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.000767][ T32] r5:858fd38c r4:858fd000 [ 1352.000793][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.000876][ T32] r7:dddced80 r6:83018000 r5:858fd38c r4:8429d380 [ 1352.000926][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.001012][ T32] r10:61c88647 r9:850d6c00 r8:8429d3ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.001046][ T32] r4:8429d380 [ 1352.001075][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.001168][ T32] r10:00000000 r9:8429d380 r8:80287e08 r7:eca55e60 r6:8429f480 r5:850d6c00 [ 1352.001229][ T32] r4:00000001 [ 1352.001260][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.001340][ T32] Exception stack(0xeca59fb0 to 0xeca59ff8) [ 1352.001431][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.001485][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.001606][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.001703][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.001780][ T32] r4:84af5280 [ 1352.002337][ T32] INFO: task kworker/0:393:6044 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.002413][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.002499][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.002604][ T32] Call trace: [ 1352.002664][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.002724][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.002748][ T32] r4:00000000 [ 1352.002769][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.002810][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.002839][ T32] 9d20: 85c06000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.002870][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.002922][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.002953][ T32] r5:800d0013 r4:80239bb0 [ 1352.002976][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.003023][ T32] r4:82ac21e4 [ 1352.003045][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.003117][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.003172][ T32] r4:e0459dc0 [ 1352.003198][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.003249][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.003301][ T32] r4:00000000 [ 1352.003384][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.003469][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.003494][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.003540][ T32] r5:00001000 r4:ed35f000 [ 1352.003583][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.003666][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.003715][ T32] r5:85c1038c r4:85c10000 [ 1352.003736][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.003812][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.003880][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.003967][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.004020][ T32] r4:84ab5900 [ 1352.004069][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.004121][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.004151][ T32] r4:00000001 [ 1352.004198][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.004241][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.004269][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.004298][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.004325][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.004354][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.004393][ T32] r4:84aae040 [ 1352.004416][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.004447][ T32] INFO: task kworker/0:394:6047 blocked for more than 478 seconds. [ 1352.004489][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.004560][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.004586][ T32] task:kworker/0:394 state:D stack:0 pid:6047 tgid:6047 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.004642][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.004744][ T32] Call trace: [ 1352.004781][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.004831][ T32] r10:8291a684 r9:eca65d84 r8:00000002 r7:60000113 r6:eca65d8c r5:858cb000 [ 1352.004854][ T32] r4:858cb000 [ 1352.004888][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.004937][ T32] r5:858cb000 r4:8291a680 [ 1352.004958][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.004997][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.005039][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca65e08 [ 1352.005061][ T32] r4:00000000 [ 1352.005080][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.005115][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.005149][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.005189][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af5a40 [ 1352.005212][ T32] r4:00000000 [ 1352.005231][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.005274][ T32] r9:83018005 r8:858cb000 r7:00000000 r6:83018000 r5:00001000 r4:7f0ed000 [ 1352.005296][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.005336][ T32] r5:00001000 r4:eba77000 [ 1352.005356][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.005434][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.005481][ T32] r5:858fd78c r4:858fd400 [ 1352.005503][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.005576][ T32] r7:dddced80 r6:83018000 r5:858fd78c r4:8429d400 [ 1352.005602][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.005663][ T32] r10:61c88647 r9:858cb000 r8:8429d42c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.005740][ T32] r4:8429d400 [ 1352.005768][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.005818][ T32] r10:00000000 r9:8429d400 r8:80287e08 r7:eca59e60 r6:8429f500 r5:858cb000 [ 1352.005846][ T32] r4:00000001 [ 1352.005873][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.005912][ T32] Exception stack(0xeca65fb0 to 0xeca65ff8) [ 1352.005965][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.005998][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.006026][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.006132][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.006160][ T32] r4:84af5740 [ 1352.006399][ T32] INFO: task kworker/0:394:6047 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.006433][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.006547][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.006597][ T32] Call trace: [ 1352.006657][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.006742][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.006821][ T32] r4:00000000 [ 1352.006895][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.006942][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.006973][ T32] 9d20: 85c06000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.007003][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.007078][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.007111][ T32] r5:800d0013 r4:80239bb0 [ 1352.007171][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.007217][ T32] r4:82ac21e4 [ 1352.007238][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.007280][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.007303][ T32] r4:e0459dc0 [ 1352.007321][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.007362][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.007385][ T32] r4:00000000 [ 1352.007404][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.007449][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.007470][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.007512][ T32] r5:00001000 r4:ed35f000 [ 1352.007531][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.007575][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.007620][ T32] r5:85c1038c r4:85c10000 [ 1352.007651][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.007701][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.007723][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.007773][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.007798][ T32] r4:84ab5900 [ 1352.007817][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.007863][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.007911][ T32] r4:00000001 [ 1352.007993][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.008033][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.008060][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.008090][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.008116][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.008145][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.008168][ T32] r4:84aae040 [ 1352.008187][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.008212][ T32] INFO: task kworker/0:395:6048 blocked for more than 478 seconds. [ 1352.008266][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.008295][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.008333][ T32] task:kworker/0:395 state:D stack:0 pid:6048 tgid:6048 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.008390][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.008436][ T32] Call trace: [ 1352.008466][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.008558][ T32] r10:8291a684 r9:eca69d84 r8:00000002 r7:60000113 r6:eca69d8c r5:85868000 [ 1352.008593][ T32] r4:85868000 [ 1352.008617][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.008707][ T32] r5:85868000 r4:8291a680 [ 1352.008756][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.008801][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.008881][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca69e08 [ 1352.008954][ T32] r4:00000000 [ 1352.008989][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.009026][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.009058][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.009098][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af5bc0 [ 1352.009143][ T32] r4:00000000 [ 1352.009193][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.009242][ T32] r9:83018005 r8:85868000 r7:00000000 r6:83018000 r5:00001000 r4:7f0ef000 [ 1352.009314][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.030626][ T32] r5:00001000 r4:ebb2b000 [ 1352.030688][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.030771][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.030848][ T32] r5:858fdb8c r4:858fd800 [ 1352.030879][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.030944][ T32] r7:dddced80 r6:83018000 r5:858fdb8c r4:8429d480 [ 1352.030970][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.031080][ T32] r10:61c88647 r9:85868000 r8:8429d4ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.031137][ T32] r4:8429d480 [ 1352.031189][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.031250][ T32] r10:00000000 r9:8429d480 r8:80287e08 r7:eca65e60 r6:8429f580 r5:85868000 [ 1352.031278][ T32] r4:00000001 [ 1352.031302][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.031347][ T32] Exception stack(0xeca69fb0 to 0xeca69ff8) [ 1352.031409][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.031477][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.031514][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.031552][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.031605][ T32] r4:84af5740 [ 1352.032038][ T32] INFO: task kworker/0:395:6048 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.032078][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.032179][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.032234][ T32] Call trace: [ 1352.032267][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.032325][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.032350][ T32] r4:00000000 [ 1352.032370][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.032437][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.032472][ T32] 9d20: 85fde000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.032536][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.032607][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.032644][ T32] r5:800d0013 r4:80239bb0 [ 1352.032669][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.032714][ T32] r4:82ac21e4 [ 1352.032787][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.032837][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.032861][ T32] r4:e0459dc0 [ 1352.032897][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.032944][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.033017][ T32] r4:00000000 [ 1352.033042][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.033092][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.033121][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.033166][ T32] r5:00001000 r4:ed35f000 [ 1352.033188][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.033228][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.033295][ T32] r5:85c1038c r4:85c10000 [ 1352.033321][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.033423][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.033492][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.033547][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.033570][ T32] r4:84ab5900 [ 1352.033590][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.033646][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.033671][ T32] r4:00000001 [ 1352.033691][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.033746][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.033794][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.033850][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.033910][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.033968][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.033994][ T32] r4:84aae040 [ 1352.034017][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.034065][ T32] INFO: task kworker/0:396:6050 blocked for more than 478 seconds. [ 1352.034130][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.034172][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.034200][ T32] task:kworker/0:396 state:D stack:0 pid:6050 tgid:6050 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.034250][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.034320][ T32] Call trace: [ 1352.034384][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.034449][ T32] r10:8291a684 r9:eca71d84 r8:00000002 r7:60000113 r6:eca71d8c r5:85869800 [ 1352.034479][ T32] r4:85869800 [ 1352.034505][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.034549][ T32] r5:85869800 r4:8291a680 [ 1352.034569][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.034606][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.034672][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca71e08 [ 1352.034706][ T32] r4:00000000 [ 1352.034727][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.034787][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.034826][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.034866][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6ef40 [ 1352.034891][ T32] r4:00000000 [ 1352.034910][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.034953][ T32] r9:83018005 r8:85869800 r7:00000000 r6:83018000 r5:00001000 r4:7f0f7000 [ 1352.034976][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.035016][ T32] r5:00001000 r4:ebc7f000 [ 1352.035035][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.035103][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.035162][ T32] r5:858feb8c r4:858fe800 [ 1352.035186][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.035233][ T32] r7:dddced80 r6:83018000 r5:858feb8c r4:8429d500 [ 1352.035254][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.035301][ T32] r10:61c88647 r9:85869800 r8:8429d52c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.035323][ T32] r4:8429d500 [ 1352.035341][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.035384][ T32] r10:00000000 r9:8429d500 r8:80287e08 r7:eca69e60 r6:8429f600 r5:85869800 [ 1352.035430][ T32] r4:00000001 [ 1352.035503][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.035546][ T32] Exception stack(0xeca71fb0 to 0xeca71ff8) [ 1352.035623][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.035662][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.035740][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.035773][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.035795][ T32] r4:84af59c0 [ 1352.036020][ T32] INFO: task kworker/0:396:6050 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.036054][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.036197][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.036247][ T32] Call trace: [ 1352.036277][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.036328][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.036352][ T32] r4:00000000 [ 1352.036370][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.036432][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.036490][ T32] 9d20: 85fde000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.036563][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.036591][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.036617][ T32] r5:800d0013 r4:80239bb0 [ 1352.036649][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.036692][ T32] r4:82ac21e4 [ 1352.036712][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.036778][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.036810][ T32] r4:e0459dc0 [ 1352.036832][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.036876][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.036948][ T32] r4:00000000 [ 1352.036973][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.037020][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.037042][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.037099][ T32] r5:00001000 r4:ed35f000 [ 1352.037147][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.037211][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.037257][ T32] r5:85c1038c r4:85c10000 [ 1352.037283][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.037330][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.037377][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.037428][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.037477][ T32] r4:84ab5900 [ 1352.037500][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.037577][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.037617][ T32] r4:00000001 [ 1352.037673][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.037728][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.037758][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.037788][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.037840][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.037872][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.037899][ T32] r4:84aae040 [ 1352.037921][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.037959][ T32] INFO: task kworker/0:397:6051 blocked for more than 478 seconds. [ 1352.038013][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.038041][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.038138][ T32] task:kworker/0:397 state:D stack:0 pid:6051 tgid:6051 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.038189][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.038233][ T32] Call trace: [ 1352.038314][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.038368][ T32] r10:8291a684 r9:eca75d84 r8:00000002 r7:60000113 r6:eca75d8c r5:8586a400 [ 1352.038433][ T32] r4:8586a400 [ 1352.038458][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.038527][ T32] r5:8586a400 r4:8291a680 [ 1352.038580][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.038622][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.038670][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca75e08 [ 1352.038695][ T32] r4:00000000 [ 1352.038714][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.038748][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.038795][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.038840][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af5cc0 [ 1352.038921][ T32] r4:00000000 [ 1352.038948][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.038994][ T32] r9:83018005 r8:8586a400 r7:00000000 r6:83018000 r5:00001000 r4:7f0f1000 [ 1352.039015][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.039087][ T32] r5:00001000 r4:ebb6d000 [ 1352.039116][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.039220][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.039340][ T32] r5:858fdf8c r4:858fdc00 [ 1352.059905][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.060023][ T32] r7:dddced80 r6:83018000 r5:858fdf8c r4:8429d580 [ 1352.060052][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.060108][ T32] r10:61c88647 r9:8586a400 r8:8429d5ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.060134][ T32] r4:8429d580 [ 1352.060155][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.060207][ T32] r10:00000000 r9:8429d580 r8:80287e08 r7:eca71e60 r6:8429f680 r5:8586a400 [ 1352.060231][ T32] r4:00000001 [ 1352.060254][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.060309][ T32] Exception stack(0xeca75fb0 to 0xeca75ff8) [ 1352.060350][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.060384][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.060412][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.060445][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.060469][ T32] r4:84af59c0 [ 1352.060966][ T32] INFO: task kworker/0:397:6051 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.061016][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.061131][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.061186][ T32] Call trace: [ 1352.061254][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.061313][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.061368][ T32] r4:00000000 [ 1352.061396][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.061471][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.061512][ T32] 9d20: 86134000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.061558][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.061615][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.061650][ T32] r5:800d0013 r4:80239bb0 [ 1352.061674][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.061720][ T32] r4:82ac21e4 [ 1352.061769][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.061820][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.061872][ T32] r4:e0459dc0 [ 1352.061898][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.061947][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.061971][ T32] r4:00000000 [ 1352.061992][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.062055][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.062110][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.062163][ T32] r5:00001000 r4:ed35f000 [ 1352.062187][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.062230][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.062275][ T32] r5:85c1038c r4:85c10000 [ 1352.062297][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.062374][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.062460][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.062568][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.062598][ T32] r4:84ab5900 [ 1352.062620][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.062681][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.062705][ T32] r4:00000001 [ 1352.062725][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.062763][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.062818][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.062855][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.062899][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.062936][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.062984][ T32] r4:84aae040 [ 1352.063032][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.063088][ T32] INFO: task kworker/0:398:6054 blocked for more than 478 seconds. [ 1352.063131][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.063165][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.063190][ T32] task:kworker/0:398 state:D stack:0 pid:6054 tgid:6054 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.063241][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.063342][ T32] Call trace: [ 1352.063427][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.063509][ T32] r10:8291a684 r9:eca81d84 r8:00000002 r7:60000113 r6:eca81d8c r5:85868c00 [ 1352.063539][ T32] r4:85868c00 [ 1352.063562][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.063610][ T32] r5:85868c00 r4:8291a680 [ 1352.063642][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.063707][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.063779][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca81e08 [ 1352.063804][ T32] r4:00000000 [ 1352.063824][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.063860][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.063898][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.063942][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af5e40 [ 1352.063992][ T32] r4:00000000 [ 1352.064046][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.064101][ T32] r9:83018005 r8:85868c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0f3000 [ 1352.064126][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.064171][ T32] r5:00001000 r4:ebbb5000 [ 1352.064220][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.064268][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.064314][ T32] r5:858fe38c r4:858fe000 [ 1352.064336][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.064461][ T32] r7:dddced80 r6:83018000 r5:858fe38c r4:8429d600 [ 1352.064489][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.064583][ T32] r10:61c88647 r9:85868c00 r8:8429d62c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.064609][ T32] r4:8429d600 [ 1352.064635][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.064688][ T32] r10:00000000 r9:8429d600 r8:80287e08 r7:eca71e60 r6:8429f700 r5:85868c00 [ 1352.064713][ T32] r4:00000001 [ 1352.064733][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.064771][ T32] Exception stack(0xeca81fb0 to 0xeca81ff8) [ 1352.064801][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.064832][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.064860][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.064892][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.064915][ T32] r4:84af5ac0 [ 1352.065162][ T32] INFO: task kworker/0:398:6054 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.065199][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.065274][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.065329][ T32] Call trace: [ 1352.065370][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.065456][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.065487][ T32] r4:00000000 [ 1352.065508][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.065577][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.065612][ T32] 9d20: 86134000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.065682][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 ** 3 printk messages dropped ** [ 1352.065825][ T32] r4:82ac21e4 [ 1352.065850][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.065895][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.065963][ T32] r4:e0459dc0 [ 1352.065990][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.066036][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.066060][ T32] r4:00000000 [ 1352.066108][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.066167][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.066194][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.066268][ T32] r5:00001000 r4:ed35f000 [ 1352.066337][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.066445][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.066500][ T32] r5:85c1038c r4:85c10000 [ 1352.066524][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.066621][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.066682][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.066739][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.066790][ T32] r4:84ab5900 [ 1352.066814][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.066893][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.066930][ T32] r4:00000001 [ 1352.066954][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.066993][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.067028][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.067061][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.067116][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.067178][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.067206][ T32] r4:84aae040 [ 1352.067254][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.067287][ T32] INFO: task kworker/0:399:6055 blocked for more than 478 seconds. [ 1352.067318][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.067375][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.067411][ T32] task:kworker/0:399 state:D stack:0 pid:6055 tgid:6055 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.067493][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.067542][ T32] Call trace: [ 1352.067574][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.067624][ T32] r10:8291a684 r9:eca85d84 r8:00000002 r7:60000013 r6:eca85d8c r5:8586c800 [ 1352.067659][ T32] r4:8586c800 [ 1352.067682][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.067745][ T32] r5:8586c800 r4:8291a680 [ 1352.067802][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.067875][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.067953][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca85e08 [ 1352.068028][ T32] r4:00000000 [ 1352.068056][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.068094][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.068131][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.068174][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af5f80 [ 1352.068198][ T32] r4:00000000 [ 1352.068220][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.068291][ T32] r9:83018005 r8:8586c800 r7:00000000 r6:83018000 r5:00001000 r4:7f0f5000 [ 1352.068320][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.068366][ T32] r5:00001000 r4:ebbdd000 [ 1352.068390][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.068459][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.068562][ T32] r5:858fe78c r4:858fe400 [ 1352.068594][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.068655][ T32] r7:dddced80 r6:83018000 r5:858fe78c r4:8429d680 [ 1352.068679][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.068755][ T32] r10:61c88647 r9:8586c800 r8:8429d6ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.068786][ T32] r4:8429d680 [ 1352.068838][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.068891][ T32] r10:00000000 r9:8429d680 r8:80287e08 r7:eca71e60 r6:8429f780 r5:8586c800 [ 1352.068917][ T32] r4:00000001 [ 1352.068937][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.068975][ T32] Exception stack(0xeca85fb0 to 0xeca85ff8) [ 1352.069019][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.069087][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.069123][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.069171][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.069201][ T32] r4:84af5c40 [ 1352.100524][ T32] INFO: task kworker/0:399:6055 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.100741][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.100913][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.101120][ T32] Call trace: [ 1352.101295][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.101371][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.101418][ T32] r4:00000000 [ 1352.101446][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.101496][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.101532][ T32] 9d20: 86724000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.101569][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.101625][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.101661][ T32] r5:800d0013 r4:80239bb0 [ 1352.101708][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.101761][ T32] r4:82ac21e4 [ 1352.101785][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.101835][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.101893][ T32] r4:e0459dc0 [ 1352.101920][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.101969][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.101994][ T32] r4:00000000 [ 1352.102016][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.102067][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.102091][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.102158][ T32] r5:00001000 r4:ed35f000 [ 1352.102192][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.102238][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.102303][ T32] r5:85c1038c r4:85c10000 [ 1352.102330][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.102384][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.102434][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.102490][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.102515][ T32] r4:84ab5900 [ 1352.102538][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.102589][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.102614][ T32] r4:00000001 [ 1352.102640][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.102685][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.102715][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.102748][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.102777][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.102809][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.102860][ T32] r4:84aae040 [ 1352.102904][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.102941][ T32] INFO: task kworker/0:400:6057 blocked for more than 478 seconds. [ 1352.102976][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.103002][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.103036][ T32] task:kworker/0:400 state:D stack:0 pid:6057 tgid:6057 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.103137][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.103225][ T32] Call trace: [ 1352.103296][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.103359][ T32] r10:8291a684 r9:eca8dd84 r8:00000002 r7:60000013 r6:eca8dd8c r5:8586bc00 [ 1352.103410][ T32] r4:8586bc00 [ 1352.103457][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.103540][ T32] r5:8586bc00 r4:8291a680 [ 1352.103607][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.103664][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.103734][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca8de08 [ 1352.103804][ T32] r4:00000000 [ 1352.103844][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.103884][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.103918][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.103959][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84606f40 [ 1352.103983][ T32] r4:00000000 [ 1352.104003][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.104072][ T32] r9:83018005 r8:8586bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f0f9000 [ 1352.104099][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.104144][ T32] r5:00001000 r4:ebcb7000 [ 1352.104165][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.104218][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.104290][ T32] r5:858fef8c r4:858fec00 [ 1352.104340][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.104396][ T32] r7:dddced80 r6:83018000 r5:858fef8c r4:8429d700 [ 1352.104417][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.104464][ T32] r10:61c88647 r9:8586bc00 r8:8429d72c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.104486][ T32] r4:8429d700 [ 1352.104546][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.104623][ T32] r10:00000000 r9:8429d700 r8:80287e08 r7:eca71e60 r6:8429f800 r5:8586bc00 [ 1352.104656][ T32] r4:00000001 [ 1352.104716][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.104759][ T32] Exception stack(0xeca8dfb0 to 0xeca8dff8) [ 1352.104826][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.104872][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.104902][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.104931][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.104955][ T32] r4:84b6ecc0 [ 1352.105275][ T32] INFO: task kworker/0:400:6057 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.105310][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.105410][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.105469][ T32] Call trace: [ 1352.105532][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.105588][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.105631][ T32] r4:00000000 [ 1352.105684][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.105751][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.105796][ T32] 9d20: 86724000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.105830][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.105856][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.105890][ T32] r5:800d0013 r4:80239bb0 [ 1352.105910][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.105951][ T32] r4:82ac21e4 [ 1352.106000][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.106060][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.106105][ T32] r4:e0459dc0 [ 1352.106129][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.106176][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.106202][ T32] r4:00000000 [ 1352.106287][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.106339][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.106392][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.106467][ T32] r5:00001000 r4:ed35f000 [ 1352.106496][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.106619][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.106680][ T32] r5:85c1038c r4:85c10000 [ 1352.106702][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.106783][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.106811][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.106863][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.106886][ T32] r4:84ab5900 [ 1352.106921][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.106985][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.107014][ T32] r4:00000001 [ 1352.107047][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.107088][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.107124][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.107154][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.107202][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.107261][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.107296][ T32] r4:84aae040 [ 1352.107345][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.107374][ T32] INFO: task kworker/0:401:6059 blocked for more than 478 seconds. [ 1352.107414][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.107452][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.107496][ T32] task:kworker/0:401 state:D stack:0 pid:6059 tgid:6059 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.107546][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.107618][ T32] Call trace: [ 1352.107665][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.107740][ T32] r10:8291a684 r9:eca95d84 r8:00000002 r7:60000013 r6:eca95d8c r5:8586e000 [ 1352.107770][ T32] r4:8586e000 [ 1352.107842][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.107936][ T32] r5:8586e000 r4:8291a680 [ 1352.107969][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.108035][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.108081][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca95e08 [ 1352.108104][ T32] r4:00000000 [ 1352.108128][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.108165][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.108199][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.108265][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84466440 [ 1352.108293][ T32] r4:00000000 [ 1352.108314][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.108359][ T32] r9:83018005 r8:8586e000 r7:00000000 r6:83018000 r5:00001000 r4:7f0ff000 [ 1352.108385][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.108428][ T32] r5:00001000 r4:ec6d5000 [ 1352.108447][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.108534][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.108646][ T32] r5:858ffb8c r4:858ff800 [ 1352.108674][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.108733][ T32] r7:dddced80 r6:83018000 r5:858ffb8c r4:8429d780 [ 1352.108757][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.108805][ T32] r10:61c88647 r9:8586e000 r8:8429d7ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.108856][ T32] r4:8429d780 [ 1352.108907][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.108957][ T32] r10:00000000 r9:8429d780 r8:80287e08 r7:eca8de60 r6:8429f880 r5:8586e000 [ 1352.108985][ T32] r4:00000001 [ 1352.109006][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.109042][ T32] Exception stack(0xeca95fb0 to 0xeca95ff8) [ 1352.109083][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.109116][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.109143][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.109174][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.109196][ T32] r4:84b6ecc0 [ 1352.124894][ T32] INFO: task kworker/0:401:6059 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.125061][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.125182][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.125251][ T32] Call trace: [ 1352.125287][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.125406][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.125439][ T32] r4:00000000 [ 1352.125462][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.125511][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.125572][ T32] 9d20: 86799000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.125608][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.125669][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.125703][ T32] r5:800d0013 r4:80239bb0 [ 1352.125752][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 5 printk messages dropped ** [ 1352.126079][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 ** 11 printk messages dropped ** [ 1352.126647][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1352.127031][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 9 printk messages dropped ** [ 1352.127419][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 7 printk messages dropped ** [ 1352.127956][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.128101][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84466100 [ 1352.128192][ T32] r4:00000000 [ 1352.128256][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.128338][ T32] r9:83018005 r8:8586b000 r7:00000000 r6:83018000 r5:00001000 r4:7f0fb000 [ 1352.128369][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.128453][ T32] r5:00001000 r4:ebcd1000 [ 1352.128481][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.128595][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.128658][ T32] r5:858ff38c r4:858ff000 [ 1352.128681][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.128730][ T32] r7:dddced80 r6:83018000 r5:858ff38c r4:8429d800 [ 1352.128752][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.128802][ T32] r10:61c88647 r9:8586b000 r8:8429d82c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.128828][ T32] r4:8429d800 [ 1352.128915][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.128972][ T32] r10:00000000 r9:8429d800 r8:80287e08 r7:eca95e60 r6:8429f900 r5:8586b000 [ 1352.128998][ T32] r4:00000001 [ 1352.129019][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.129087][ T32] Exception stack(0xeca9dfb0 to 0xeca9dff8) [ 1352.129151][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.129191][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.129270][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.148778][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.148857][ T32] r4:84606280 [ 1352.149984][ T32] INFO: task kworker/0:402:6061 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.150078][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.150197][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.150374][ T32] Call trace: [ 1352.150669][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.150779][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.150811][ T32] r4:00000000 [ 1352.150834][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.150882][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.151213][ T32] 9d20: 86ac6000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.151276][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.151342][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.151374][ T32] r5:800d0013 r4:80239bb0 [ 1352.151404][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.151605][ T32] r4:82ac21e4 [ 1352.151646][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.151749][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.151809][ T32] r4:e0459dc0 [ 1352.151863][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.151923][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.151949][ T32] r4:00000000 [ 1352.151971][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.152022][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.152060][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.152111][ T32] r5:00001000 r4:ed35f000 [ 1352.152139][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.152184][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.152230][ T32] r5:85c1038c r4:85c10000 [ 1352.152466][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.152568][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.152595][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.152651][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.152675][ T32] r4:84ab5900 [ 1352.152695][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.152749][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 1 printk messages dropped ** [ 1352.152855][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1352.153139][ T32] r4:84aae040 ** 4 printk messages dropped ** [ 1352.153583][ T32] task:kworker/0:403 state:D stack:0 pid:6063 tgid:6063 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1352.154093][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1352.154369][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1352.154627][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1352.154799][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1352.155108][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1352.156076][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 ** 8 printk messages dropped ** [ 1352.156429][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1352.156672][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1352.156957][ T32] r5:85c1038c r4:85c10000 ** 5 printk messages dropped ** [ 1352.157261][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1352.157727][ T32] r4:84aae040 ** 5 printk messages dropped ** [ 1352.157943][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1352.158379][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1352.158927][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1352.159061][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1352.181892][ T32] r10:00000000 r9:8429d900 r8:80287e08 r7:eca95e60 r6:8429fa00 r5:8586d400 [ 1352.181920][ T32] r4:00000001 [ 1352.181941][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.181980][ T32] Exception stack(0xecaa5fb0 to 0xecaa5ff8) [ 1352.182011][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.182041][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.182068][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.182098][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.182121][ T32] r4:844660c0 [ 1352.182572][ T32] INFO: task kworker/0:404:6066 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.182618][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.182694][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.182807][ T32] Call trace: [ 1352.182880][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.182965][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.182996][ T32] r4:00000000 [ 1352.183017][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.183058][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.183110][ T32] 9d20: 86e71000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.183146][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.183200][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.183234][ T32] r5:800d0013 r4:80239bb0 [ 1352.183258][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.183334][ T32] r4:82ac21e4 [ 1352.183490][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.183570][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.183601][ T32] r4:e0459dc0 [ 1352.183624][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.183752][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.183780][ T32] r4:00000000 [ 1352.183802][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.183852][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.183875][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.183920][ T32] r5:00001000 r4:ed35f000 [ 1352.183994][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.184041][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.184087][ T32] r5:85c1038c r4:85c10000 [ 1352.184108][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.184164][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 ** 4 printk messages dropped ** [ 1352.184391][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 2 printk messages dropped ** [ 1352.184488][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.184594][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.184633][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.184697][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.184766][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.184820][ T32] r4:84aae040 [ 1352.184874][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.184908][ T32] INFO: task kworker/0:405:6068 blocked for more than 478 seconds. [ 1352.184945][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.184971][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.184993][ T32] task:kworker/0:405 state:D stack:0 pid:6068 tgid:6068 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.185049][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.185110][ T32] Call trace: [ 1352.185147][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.185251][ T32] r10:8291a684 r9:ecaa9d84 r8:00000002 r7:60000113 r6:ecaa9d8c r5:857a5400 [ 1352.185279][ T32] r4:857a5400 [ 1352.185356][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.185411][ T32] r5:857a5400 r4:8291a680 [ 1352.185433][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.185474][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.185518][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecaa9e08 [ 1352.185568][ T32] r4:00000000 [ 1352.185592][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.185636][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.185700][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.185762][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:844666c0 [ 1352.185817][ T32] r4:00000000 [ 1352.185867][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.185951][ T32] r9:83018005 r8:857a5400 r7:00000000 r6:83018000 r5:00001000 r4:7f103000 [ 1352.185978][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.186077][ T32] r5:00001000 r4:ec731000 [ 1352.186104][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.186147][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.186189][ T32] r5:8590038c r4:85900000 [ 1352.186209][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.186282][ T32] r7:dddced80 r6:83018000 r5:8590038c r4:8429d980 [ 1352.186309][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.186361][ T32] r10:61c88647 r9:857a5400 r8:8429d9ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.186402][ T32] r4:8429d980 [ 1352.186427][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.186474][ T32] r10:00000000 r9:8429d980 r8:80287e08 r7:ecaa5e60 r6:8429fa80 r5:857a5400 [ 1352.186533][ T32] r4:00000001 [ 1352.186557][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1352.186683][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1352.187218][ T32] Call trace: ** 4 printk messages dropped ** [ 1352.187476][ T32] Exception stack(0xe0459d28 to 0xe0459d70) ** 7 printk messages dropped ** [ 1352.187740][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 ** 8 printk messages dropped ** [ 1352.188100][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.188146][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.188217][ T32] r5:85c1038c r4:85c10000 [ 1352.188242][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.188292][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.188314][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.188362][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.188411][ T32] r4:84ab5900 [ 1352.188539][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.188614][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.188669][ T32] r4:00000001 [ 1352.188694][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.188731][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.188758][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.188788][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.188821][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.188854][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.188879][ T32] r4:84aae040 [ 1352.188930][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.188960][ T32] INFO: task kworker/0:406:6070 blocked for more than 478 seconds. [ 1352.188989][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.189012][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.189033][ T32] task:kworker/0:406 state:D stack:0 pid:6070 tgid:6070 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1352.210462][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1352.210771][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84466800 ** 5 printk messages dropped ** [ 1352.211043][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.211110][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.211162][ T32] r5:8590078c r4:85900400 [ 1352.211185][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.211237][ T32] r7:dddced80 r6:83018000 r5:8590078c r4:8429da00 [ 1352.211286][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.211390][ T32] r10:61c88647 r9:850d4800 r8:8429da2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.211437][ T32] r4:8429da00 [ 1352.211510][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.211601][ T32] r10:00000000 r9:8429da00 r8:80287e08 r7:ecaa9e60 r6:8429fb00 r5:850d4800 [ 1352.211630][ T32] r4:00000001 [ 1352.211799][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.211877][ T32] Exception stack(0xecaadfb0 to 0xecaadff8) [ 1352.211921][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.211959][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.211994][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.212032][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.212062][ T32] r4:84466540 [ 1352.212607][ T32] INFO: task kworker/0:406:6070 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.212663][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1352.213058][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1352.213263][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1352.213743][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 ** 7 printk messages dropped ** [ 1352.214192][ T32] r5:85c1038c r4:85c10000 ** 5 printk messages dropped ** [ 1352.214524][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1352.214791][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 8 printk messages dropped ** [ 1352.215080][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) ** 7 printk messages dropped ** [ 1352.215420][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.215668][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84466940 ** 6 printk messages dropped ** [ 1352.216044][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.216095][ T32] r5:85900b8c r4:85900800 [ 1352.216120][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.216168][ T32] r7:dddced80 r6:83018000 r5:85900b8c r4:8429da80 [ 1352.216214][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.216293][ T32] r10:61c88647 r9:85870000 r8:8429daac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.216346][ T32] r4:8429da80 [ 1352.216370][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.216428][ T32] r10:00000000 r9:8429da80 r8:80287e08 r7:ecaade60 r6:8429fb80 r5:85870000 [ 1352.216451][ T32] r4:00000001 [ 1352.216471][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.216553][ T32] Exception stack(0xecab1fb0 to 0xecab1ff8) [ 1352.216590][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.216621][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.216656][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.216686][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.216762][ T32] r4:84466680 [ 1352.217008][ T32] INFO: task kworker/0:407:6072 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.217052][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.217178][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.217308][ T32] Call trace: [ 1352.217344][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.217405][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.217430][ T32] r4:00000000 [ 1352.217456][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.217500][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.217533][ T32] 9d20: 871f0000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.217565][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.217591][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.217634][ T32] r5:800d0013 r4:80239bb0 [ 1352.217661][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.217704][ T32] r4:82ac21e4 [ 1352.217725][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.217768][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.217790][ T32] r4:e0459dc0 [ 1352.217810][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.217851][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.217875][ T32] r4:00000000 [ 1352.217894][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.217939][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.217978][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.218027][ T32] r5:00001000 r4:ed35f000 [ 1352.218048][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.218088][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.218133][ T32] r5:85c1038c r4:85c10000 [ 1352.218185][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1352.218492][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 8 printk messages dropped ** [ 1352.218879][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1352.247580][ T32] r4:85871800 ** 4 printk messages dropped ** [ 1352.247868][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecab9e08 ** 5 printk messages dropped ** [ 1352.248157][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1352.248572][ T32] r5:85900f8c r4:85900c00 [ 1352.248598][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1352.248842][ T32] r10:00000000 r9:8429db00 r8:80287e08 r7:ecab1e60 r6:8429fc00 r5:85871800 ** 8 printk messages dropped ** [ 1352.260013][ T32] INFO: task kworker/0:408:6074 is blocked on a mutex likely owned by task kworker/1:173:3617. ** 10 printk messages dropped ** [ 1352.260747][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.260777][ T32] r5:800d0013 r4:80239bb0 [ 1352.260829][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.260922][ T32] r4:82ac21e4 [ 1352.260950][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.260996][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.261022][ T32] r4:e0459dc0 [ 1352.261056][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.261106][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.261130][ T32] r4:00000000 [ 1352.261164][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.261221][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.261245][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.261292][ T32] r5:00001000 r4:ed35f000 [ 1352.261341][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.261423][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.261488][ T32] r5:85c1038c r4:85c10000 [ 1352.261514][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.261567][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.261590][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.261642][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.261693][ T32] r4:84ab5900 [ 1352.261719][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.261772][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.261822][ T32] r4:00000001 [ 1352.261852][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.261895][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.261925][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.261956][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.261983][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.262012][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.262036][ T32] r4:84aae040 [ 1352.262058][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.262100][ T32] INFO: task kworker/0:409:6076 blocked for more than 478 seconds. [ 1352.262137][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.262163][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.262185][ T32] task:kworker/0:409 state:D stack:0 pid:6076 tgid:6076 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.262259][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.262309][ T32] Call trace: [ 1352.262343][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.262398][ T32] r10:8291a684 r9:ecac1d84 r8:00000002 r7:60000113 r6:ecac1d8c r5:85873000 [ 1352.262448][ T32] r4:85873000 [ 1352.262475][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.262527][ T32] r5:85873000 r4:8291a680 [ 1352.262550][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 5 printk messages dropped ** [ 1352.262812][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1352.263219][ T32] r5:8590138c r4:85901000 [ 1352.263270][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1352.263471][ T32] r10:61c88647 r9:85873000 r8:8429dbac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1352.263800][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1352.264356][ T32] Call trace: ** 6 printk messages dropped ** [ 1352.264725][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 ** 9 printk messages dropped ** [ 1352.265115][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1352.265400][ T32] r5:85c1038c r4:85c10000 ** 6 printk messages dropped ** [ 1352.265768][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 7 printk messages dropped ** [ 1352.266229][ T32] r4:84aae040 ** 5 printk messages dropped ** [ 1352.266466][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1352.266753][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1352.267243][ T32] r5:00001000 r4:ec7dd000 ** 2 printk messages dropped ** [ 1352.267365][ T32] r5:8590178c r4:85901400 ** 3 printk messages dropped ** [ 1352.267653][ T32] r10:61c88647 r9:85873c00 r8:8429dc2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1352.268134][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1352.268945][ T32] Exception stack(0xe0459d28 to 0xe0459d70) ** 6 printk messages dropped ** [ 1352.269299][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 9 printk messages dropped ** [ 1352.292531][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 9 printk messages dropped ** [ 1352.292979][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1352.293277][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.293388][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.293460][ T32] r4:84aae040 [ 1352.293522][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.293598][ T32] INFO: task kworker/0:411:6080 blocked for more than 478 seconds. [ 1352.293643][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.293672][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.293715][ T32] task:kworker/0:411 state:D stack:0 pid:6080 tgid:6080 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.293825][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.293937][ T32] Call trace: [ 1352.294025][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.294092][ T32] r10:8291a684 r9:ecad1d84 r8:00000002 r7:60000013 r6:ecad1d8c r5:85872400 [ 1352.294118][ T32] r4:85872400 [ 1352.294168][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.294258][ T32] r5:85872400 r4:8291a680 [ 1352.294292][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.294352][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.294410][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecad1e08 [ 1352.294461][ T32] r4:00000000 [ 1352.294487][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.294552][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.294594][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.294638][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846982c0 [ 1352.294663][ T32] r4:00000000 [ 1352.294711][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.294768][ T32] r9:83018005 r8:85872400 r7:00000000 r6:83018000 r5:00001000 r4:7f117000 [ 1352.294794][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.294838][ T32] r5:00001000 r4:ec841000 [ 1352.294860][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.294917][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.294966][ T32] r5:85902b8c r4:85902800 [ 1352.294988][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.295036][ T32] r7:dddced80 r6:83018000 r5:85902b8c r4:8429dc80 [ 1352.295064][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.295115][ T32] r10:61c88647 r9:85872400 r8:8429dcac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.295140][ T32] r4:8429dc80 [ 1352.295162][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.295209][ T32] r10:00000000 r9:8429dc80 r8:80287e08 r7:ecac9e60 r6:8429fd80 r5:85872400 [ 1352.295233][ T32] r4:00000001 [ 1352.295268][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.295310][ T32] Exception stack(0xecad1fb0 to 0xecad1ff8) [ 1352.295339][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.295369][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.295404][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.295435][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.295486][ T32] r4:844669c0 [ 1352.295910][ T32] INFO: task kworker/0:411:6080 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.296004][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.296133][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.296242][ T32] Call trace: [ 1352.296277][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.296416][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.296448][ T32] r4:00000000 [ 1352.296471][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.296536][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.296581][ T32] 9d20: 87da6000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.296679][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.296736][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.296792][ T32] r5:800d0013 r4:80239bb0 [ 1352.296844][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.296893][ T32] r4:82ac21e4 [ 1352.296917][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.296975][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.297004][ T32] r4:e0459dc0 [ 1352.297037][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.297087][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.297136][ T32] r4:00000000 [ 1352.297166][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.297243][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.297297][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.297391][ T32] r5:00001000 r4:ed35f000 [ 1352.297446][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.297510][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.297559][ T32] r5:85c1038c r4:85c10000 [ 1352.297609][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1352.297762][ T32] r4:84ab5900 ** 4 printk messages dropped ** [ 1352.297985][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) ** 6 printk messages dropped ** [ 1352.298266][ T32] INFO: task kworker/0:412:6081 blocked for more than 478 seconds. ** 7 printk messages dropped ** [ 1352.298734][ T32] r4:85870c00 ** 4 printk messages dropped ** [ 1352.299032][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecad5e08 ** 8 printk messages dropped ** [ 1352.322129][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1352.322389][ T32] r5:85901b8c r4:85901800 ** 3 printk messages dropped ** [ 1352.322610][ T32] r10:61c88647 r9:85870c00 r8:8429dd2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1352.322994][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1352.324038][ T32] Exception stack(0xe0459d28 to 0xe0459d70) ** 2 printk messages dropped ** [ 1352.324215][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1352.324469][ T32] r4:e0459dc0 ** 6 printk messages dropped ** [ 1352.324822][ T32] r5:00001000 r4:ed35f000 ** 6 printk messages dropped ** [ 1352.325163][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1352.325517][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.325578][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.325611][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.325644][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.325668][ T32] r4:84aae040 [ 1352.325716][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.325780][ T32] INFO: task kworker/0:413:6083 blocked for more than 478 seconds. [ 1352.325828][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.325858][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.325881][ T32] task:kworker/0:413 state:D stack:0 pid:6083 tgid:6083 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.325929][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.325982][ T32] Call trace: [ 1352.326048][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.326127][ T32] r10:8291a684 r9:ecaddd84 r8:00000002 r7:60000113 r6:ecaddd8c r5:85874800 [ 1352.326156][ T32] r4:85874800 [ 1352.326179][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.326252][ T32] r5:85874800 r4:8291a680 [ 1352.326280][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.326322][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.326366][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecadde08 [ 1352.326397][ T32] r4:00000000 [ 1352.326418][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.326454][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.326490][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.326536][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84466f80 [ 1352.326560][ T32] r4:00000000 [ 1352.326608][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.326660][ T32] r9:83018005 r8:85874800 r7:00000000 r6:83018000 r5:00001000 r4:7f111000 [ 1352.326684][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.326734][ T32] r5:00001000 r4:ec803000 [ 1352.326757][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.326800][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.326844][ T32] r5:85901f8c r4:85901c00 [ 1352.326867][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.326955][ T32] r7:dddced80 r6:83018000 r5:85901f8c r4:8429dd80 [ 1352.326983][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.327032][ T32] r10:61c88647 r9:85874800 r8:8429ddac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.327073][ T32] r4:8429dd80 [ 1352.327103][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.327153][ T32] r10:00000000 r9:8429dd80 r8:80287e08 r7:ecad1e60 r6:8429fe80 r5:85874800 [ 1352.327203][ T32] r4:00000001 [ 1352.327229][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.327268][ T32] Exception stack(0xecaddfb0 to 0xecaddff8) [ 1352.327296][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.327337][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.327365][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.327403][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.327480][ T32] r4:84466ac0 [ 1352.327758][ T32] INFO: task kworker/0:413:6083 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.327804][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.327870][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.327938][ T32] Call trace: [ 1352.327977][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.328034][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.328059][ T32] r4:00000000 [ 1352.328106][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.328175][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.328239][ T32] 9d20: 88110000 dfe4f000 00000001 80239b98 7f1a1000 00000001 ** 1 printk messages dropped ** [ 1352.328335][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1352.328681][ T32] r4:e0459dc0 ** 6 printk messages dropped ** [ 1352.328959][ T32] r5:00001000 r4:ed35f000 ** 7 printk messages dropped ** [ 1352.352551][ T32] r4:84ab5900 ** 2 printk messages dropped ** [ 1352.352726][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1352.353064][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1352.353515][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1352.353838][ T32] r5:85875400 r4:8291a680 ** 5 printk messages dropped ** [ 1352.354076][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1352.354449][ T32] r5:00001000 r4:ec813000 ** 2 printk messages dropped ** [ 1352.354658][ T32] r5:8590238c r4:85902000 ** 3 printk messages dropped ** [ 1352.354809][ T32] r10:61c88647 r9:85875400 r8:8429de2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1352.355112][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.355195][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.355225][ T32] r4:84606800 [ 1352.355644][ T32] INFO: task kworker/0:414:6085 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.355684][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.355749][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.355810][ T32] Call trace: [ 1352.355880][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.355956][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.355987][ T32] r4:00000000 [ 1352.356009][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.356052][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.356082][ T32] 9d20: 88537000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.356138][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.356172][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.356199][ T32] r5:800d0013 r4:80239bb0 [ 1352.356221][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.356266][ T32] r4:82ac21e4 [ 1352.356287][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.356331][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.356400][ T32] r4:e0459dc0 [ 1352.356433][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.356481][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.356535][ T32] r4:00000000 [ 1352.356559][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.356610][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.356636][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.356680][ T32] r5:00001000 r4:ed35f000 [ 1352.356702][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.356770][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.356850][ T32] r5:85c1038c r4:85c10000 [ 1352.356902][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.356958][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.356983][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.357039][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.357103][ T32] r4:84ab5900 [ 1352.357131][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.357181][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.357206][ T32] r4:00000001 [ 1352.357226][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.357261][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.357288][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.357344][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.357381][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.357585][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.357614][ T32] r4:84aae040 [ 1352.357636][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.357739][ T32] INFO: task kworker/0:415:6087 blocked for more than 478 seconds. [ 1352.357773][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.357849][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.357902][ T32] task:kworker/0:415 state:D stack:0 pid:6087 tgid:6087 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.357985][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.358034][ T32] Call trace: [ 1352.358097][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.358148][ T32] r10:8291a684 r9:ecaedd84 r8:00000002 r7:60000013 r6:ecaedd8c r5:85876000 [ 1352.358171][ T32] r4:85876000 [ 1352.358192][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.358235][ T32] r5:85876000 r4:8291a680 [ 1352.358255][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.358331][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.358411][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecaede08 ** 2 printk messages dropped ** [ 1352.358503][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1352.358976][ T32] r5:8590278c r4:85902400 [ 1352.359051][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1352.359240][ T32] r10:61c88647 r9:85876000 r8:8429deac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1352.368799][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1352.380312][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 ** 8 printk messages dropped ** [ 1352.380705][ T32] r4:82ac21e4 ** 5 printk messages dropped ** [ 1352.380980][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1352.381449][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 ** 5 printk messages dropped ** [ 1352.381681][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1352.381919][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1352.382023][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.382068][ T32] INFO: task kworker/0:416:6089 blocked for more than 478 seconds. [ 1352.382104][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.382129][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.382150][ T32] task:kworker/0:416 state:D stack:0 pid:6089 tgid:6089 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.382197][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.382239][ T32] Call trace: [ 1352.382296][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.382383][ T32] r10:8291a684 r9:ecaf5d84 r8:00000002 r7:60000113 r6:ecaf5d8c r5:85948c00 [ 1352.382411][ T32] r4:85948c00 [ 1352.382434][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.382478][ T32] r5:85948c00 r4:8291a680 [ 1352.382505][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.382546][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.382618][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecaf5e08 [ 1352.382690][ T32] r4:00000000 [ 1352.382780][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.382830][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.382880][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.382933][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84698440 [ 1352.382974][ T32] r4:00000000 [ 1352.382997][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.383048][ T32] r9:83018005 r8:85948c00 r7:00000000 r6:83018000 r5:00001000 r4:7f119000 [ 1352.383099][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.383189][ T32] r5:00001000 r4:ec857000 [ 1352.383214][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.383259][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.383302][ T32] r5:85902f8c r4:85902c00 [ 1352.383322][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.383415][ T32] r7:dddced80 r6:83018000 r5:85902f8c r4:8429df00 [ 1352.383476][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.383541][ T32] r10:61c88647 r9:85948c00 r8:8429df2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.383565][ T32] r4:8429df00 [ 1352.383606][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.383697][ T32] r10:00000000 r9:8429df00 r8:80287e08 r7:ecad1e60 r6:848b7000 r5:85948c00 [ 1352.383724][ T32] r4:00000001 [ 1352.383766][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.383809][ T32] Exception stack(0xecaf5fb0 to 0xecaf5ff8) [ 1352.383837][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.383866][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.383893][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.383925][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.383948][ T32] r4:84698200 [ 1352.384363][ T32] INFO: task kworker/0:416:6089 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.384408][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.384486][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.384580][ T32] Call trace: [ 1352.384614][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.384672][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.384712][ T32] r4:00000000 [ 1352.384738][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 3 printk messages dropped ** [ 1352.384898][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff ** 5 printk messages dropped ** [ 1352.385192][ T32] r4:e0459dc0 ** 6 printk messages dropped ** [ 1352.385551][ T32] r5:00001000 r4:ed35f000 ** 5 printk messages dropped ** [ 1352.385858][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1352.386113][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1352.386637][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1352.386998][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1352.387390][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1352.387594][ T32] r5:8590478c r4:85904400 ** 3 printk messages dropped ** [ 1352.387819][ T32] r10:61c88647 r9:85948000 r8:8429dfac r7:82804d40 r6:dddced80 r5:dddceda0 ** 3 printk messages dropped ** [ 1352.387948][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1352.388205][ T32] r4:84698140 ** 3 printk messages dropped ** [ 1352.388719][ T32] Call trace: ** 4 printk messages dropped ** [ 1352.388920][ T32] Exception stack(0xe0459d28 to 0xe0459d70) ** 6 printk messages dropped ** [ 1352.389145][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1352.415902][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1352.416368][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 6 printk messages dropped ** [ 1352.416798][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 3 printk messages dropped ** [ 1352.416956][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.416995][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.417050][ T32] task:kworker/0:418 state:D stack:0 pid:6093 tgid:6093 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.417149][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.417204][ T32] Call trace: [ 1352.417254][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.417340][ T32] r10:8291a684 r9:ecb09d84 r8:00000002 r7:60000113 r6:ecb09d8c r5:8594b000 [ 1352.417384][ T32] r4:8594b000 [ 1352.417436][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.417523][ T32] r5:8594b000 r4:8291a680 [ 1352.417573][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.417686][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.417763][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb09e08 [ 1352.417809][ T32] r4:00000000 [ 1352.417865][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.417967][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.418013][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.418058][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84698540 [ 1352.418081][ T32] r4:00000000 [ 1352.418100][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.418181][ T32] r9:83018005 r8:8594b000 r7:00000000 r6:83018000 r5:00001000 r4:7f11d000 [ 1352.418210][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.418256][ T32] r5:00001000 r4:eca21000 [ 1352.418278][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.418353][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.418404][ T32] r5:8590338c r4:85903000 [ 1352.418452][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.418529][ T32] r7:dddced80 r6:83018000 r5:8590338c r4:8495c000 [ 1352.418556][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.418659][ T32] r10:61c88647 r9:8594b000 r8:8495c02c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.418715][ T32] r4:8495c000 [ 1352.418744][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.418805][ T32] r10:00000000 r9:8495c000 r8:80287e08 r7:ecafde60 r6:848b7100 r5:8594b000 [ 1352.418883][ T32] r4:00000001 [ 1352.418988][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.419033][ T32] Exception stack(0xecb09fb0 to 0xecb09ff8) [ 1352.419062][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.419092][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.419130][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.419161][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.419203][ T32] r4:84698540 [ 1352.433615][ T32] INFO: task kworker/0:418:6093 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.433747][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.434112][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.434363][ T32] Call trace: [ 1352.434409][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.434513][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.434561][ T32] r4:00000000 [ 1352.434739][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.434792][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.434851][ T32] 9d20: 88d49000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.434914][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.434958][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.434993][ T32] r5:800d0013 r4:80239bb0 [ 1352.435049][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.435108][ T32] r4:82ac21e4 [ 1352.435131][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.435242][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.435276][ T32] r4:e0459dc0 [ 1352.435300][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.435381][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.435410][ T32] r4:00000000 [ 1352.435434][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.435501][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.435609][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.435696][ T32] r5:00001000 r4:ed35f000 [ 1352.435748][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.435802][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.435851][ T32] r5:85c1038c r4:85c10000 [ 1352.435874][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.435926][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.435951][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.436001][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.436025][ T32] r4:84ab5900 [ 1352.436045][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.436093][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 4 printk messages dropped ** [ 1352.436332][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1352.436731][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1352.436917][ T32] r4:8594a400 ** 4 printk messages dropped ** [ 1352.437205][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb15e08 ** 12 printk messages dropped ** [ 1352.437685][ T32] r5:8590378c r4:85903400 [ 1352.437705][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1352.437944][ T32] r10:00000000 r9:8495c080 r8:80287e08 r7:ecafde60 r6:848b7180 r5:8594a400 ** 4 printk messages dropped ** [ 1352.438101][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.438127][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.438162][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.438188][ T32] r4:846985c0 [ 1352.438476][ T32] INFO: task kworker/0:419:6095 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.438513][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.438591][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.438637][ T32] Call trace: [ 1352.438667][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.438718][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.438760][ T32] r4:00000000 [ 1352.438785][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.438826][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.438867][ T32] 9d20: 88d49000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.438901][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.438954][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.438983][ T32] r5:800d0013 r4:80239bb0 [ 1352.439004][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.439052][ T32] r4:82ac21e4 [ 1352.439084][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.439128][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.439152][ T32] r4:e0459dc0 [ 1352.439172][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.439213][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.439262][ T32] r4:00000000 [ 1352.439363][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.451158][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.451206][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.451279][ T32] r5:00001000 r4:ed35f000 [ 1352.451301][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.451343][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.451394][ T32] r5:85c1038c r4:85c10000 [ 1352.451416][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.451467][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.451505][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.451561][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.451585][ T32] r4:84ab5900 [ 1352.451606][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.451688][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.451723][ T32] r4:00000001 [ 1352.451756][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.451797][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.451828][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.451966][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.452025][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.452072][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.452100][ T32] r4:84aae040 [ 1352.452153][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.452188][ T32] INFO: task kworker/0:420:6097 blocked for more than 478 seconds. [ 1352.452241][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.452288][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.452316][ T32] task:kworker/0:420 state:D stack:0 pid:6097 tgid:6097 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.452384][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.452433][ T32] Call trace: [ 1352.452536][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.452635][ T32] r10:8291a684 r9:ecb1dd84 r8:00000002 r7:60000113 r6:ecb1dd8c r5:85949800 [ 1352.452691][ T32] r4:85949800 [ 1352.452743][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.452793][ T32] r5:85949800 r4:8291a680 [ 1352.452815][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.452873][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.452922][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb1de08 [ 1352.452946][ T32] r4:00000000 [ 1352.452966][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.453003][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.453040][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.453082][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846987c0 ** 5 printk messages dropped ** [ 1352.453290][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1352.453464][ T32] r5:85903b8c r4:85903800 ** 2 printk messages dropped ** [ 1352.453567][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1352.453817][ T32] r10:00000000 r9:8495c100 r8:80287e08 r7:ecafde60 r6:848b7200 r5:85949800 ** 9 printk messages dropped ** [ 1352.454674][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1352.455307][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 ** 4 printk messages dropped ** [ 1352.455467][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.455526][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.455555][ T32] r4:e0459dc0 [ 1352.455578][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.455663][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.455693][ T32] r4:00000000 [ 1352.455716][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.455771][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.455823][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.455895][ T32] r5:00001000 r4:ed35f000 [ 1352.455946][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.455995][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.456047][ T32] r5:85c1038c r4:85c10000 [ 1352.456071][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.456121][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.456143][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.456194][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.456246][ T32] r4:84ab5900 [ 1352.456271][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.456321][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.456345][ T32] r4:00000001 [ 1352.456407][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.456484][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.456570][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.456603][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.456635][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.456665][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.456693][ T32] r4:84aae040 [ 1352.456715][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.456743][ T32] INFO: task kworker/0:421:6099 blocked for more than 478 seconds. [ 1352.456772][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.456829][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.456859][ T32] task:kworker/0:421 state:D stack:0 pid:6099 tgid:6099 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.456942][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.457218][ T32] Call trace: [ 1352.457364][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.457447][ T32] r10:8291a684 r9:ecb25d84 r8:00000002 r7:60000013 r6:ecb25d8c r5:8594bc00 [ 1352.457476][ T32] r4:8594bc00 [ 1352.457514][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.457621][ T32] r5:8594bc00 r4:8291a680 [ 1352.457656][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.457698][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.457742][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb25e08 [ 1352.457765][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1352.457820][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1352.458410][ T32] r5:85903f8c r4:85903c00 [ 1352.458531][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.458585][ T32] r7:dddced80 r6:83018000 r5:85903f8c r4:8495c180 ** 2 printk messages dropped ** [ 1352.458710][ T32] r4:8495c180 ** 3 printk messages dropped ** [ 1352.459247][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1352.484260][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1352.485318][ T32] r4:82ac21e4 ** 4 printk messages dropped ** [ 1352.485638][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 ** 9 printk messages dropped ** [ 1352.486412][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 ** 4 printk messages dropped ** [ 1352.486779][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 3 printk messages dropped ** [ 1352.487084][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1352.487377][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 4 printk messages dropped ** [ 1352.487729][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1352.488072][ T32] r4:8594c800 ** 2 printk messages dropped ** [ 1352.488253][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1352.488632][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1352.488994][ T32] r9:83018005 r8:8594c800 r7:00000000 r6:83018000 r5:00001000 r4:7f06f000 ** 4 printk messages dropped ** [ 1352.510166][ T32] r5:8590438c r4:85904000 [ 1352.510234][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.510353][ T32] r7:dddced80 r6:83018000 r5:8590438c r4:8495c200 [ 1352.510401][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.510496][ T32] r10:61c88647 r9:8594c800 r8:8495c22c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.510545][ T32] r4:8495c200 [ 1352.510588][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.510682][ T32] r10:00000000 r9:8495c200 r8:80287e08 r7:ecafde60 r6:848b7300 r5:8594c800 [ 1352.510745][ T32] r4:00000001 [ 1352.510809][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.510905][ T32] Exception stack(0xecb2dfb0 to 0xecb2dff8) [ 1352.511000][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.511065][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.511118][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.511195][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.511248][ T32] r4:84698780 [ 1352.511982][ T32] INFO: task kworker/0:422:6101 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.512052][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.512181][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.512290][ T32] Call trace: [ 1352.512389][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.512517][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.512591][ T32] r4:00000000 [ 1352.512638][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.512744][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.512805][ T32] 9d20: 891fb000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.512898][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.512982][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.513052][ T32] r5:800d0013 r4:80239bb0 [ 1352.513101][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.513184][ T32] r4:82ac21e4 [ 1352.513225][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.513322][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.513370][ T32] r4:e0459dc0 [ 1352.513412][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.513494][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.513539][ T32] r4:00000000 [ 1352.513600][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.513707][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.513754][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.513836][ T32] r5:00001000 r4:ed35f000 [ 1352.513894][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.514001][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.514109][ T32] r5:85c1038c r4:85c10000 [ 1352.514158][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.514250][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.514317][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.514416][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.514476][ T32] r4:84ab5900 [ 1352.514524][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.514619][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.514687][ T32] r4:00000001 [ 1352.514762][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.514847][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.514900][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.514974][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.515038][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.515129][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.515202][ T32] r4:84aae040 [ 1352.515248][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.515347][ T32] INFO: task kworker/0:423:6104 blocked for more than 478 seconds. [ 1352.515436][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.515506][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.515554][ T32] task:kworker/0:423 state:D stack:0 pid:6104 tgid:6104 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.515681][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.515812][ T32] Call trace: [ 1352.515883][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.515991][ T32] r10:8291a684 r9:ecb31d84 r8:00000002 r7:60000113 r6:ecb31d8c r5:8594e000 [ 1352.516039][ T32] r4:8594e000 [ 1352.516089][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.516177][ T32] r5:8594e000 r4:8291a680 [ 1352.516221][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.516322][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.516410][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb31e08 [ 1352.516456][ T32] r4:00000000 [ 1352.516495][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.516593][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.516664][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.516762][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854cb0c0 [ 1352.516813][ T32] r4:00000000 [ 1352.516871][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.516962][ T32] r9:83018005 r8:8594e000 r7:00000000 r6:83018000 r5:00001000 r4:7f07d000 [ 1352.517007][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.517086][ T32] r5:00001000 r4:ebcd7000 [ 1352.517128][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.517201][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.517279][ T32] r5:85905b8c r4:85905800 [ 1352.517347][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.517440][ T32] r7:dddced80 r6:83018000 r5:85905b8c r4:8495c280 [ 1352.517482][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.517573][ T32] r10:61c88647 r9:8594e000 r8:8495c2ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.517619][ T32] r4:8495c280 [ 1352.517675][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.517783][ T32] r10:00000000 r9:8495c280 r8:80287e08 r7:ecafde60 r6:848b7380 r5:8594e000 [ 1352.517833][ T32] r4:00000001 [ 1352.517889][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.517986][ T32] Exception stack(0xecb31fb0 to 0xecb31ff8) [ 1352.518049][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.518112][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.518165][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.518224][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.518285][ T32] r4:846989c0 [ 1352.518732][ T32] INFO: task kworker/0:423:6104 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.518816][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.518929][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.519017][ T32] Call trace: [ 1352.519100][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.519216][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.549939][ T32] r4:00000000 [ 1352.550023][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.550093][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.550127][ T32] 9d20: 89774000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.550159][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.550185][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.550210][ T32] r5:800d0013 r4:80239bb0 [ 1352.550230][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.550274][ T32] r4:82ac21e4 [ 1352.550302][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.550350][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.550390][ T32] r4:e0459dc0 [ 1352.550441][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.550516][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.550568][ T32] r4:00000000 [ 1352.550607][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.550659][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.550706][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.550757][ T32] r5:00001000 r4:ed35f000 [ 1352.550778][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.550843][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.550894][ T32] r5:85c1038c r4:85c10000 [ 1352.550944][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.550997][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.551020][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.551093][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.551146][ T32] r4:84ab5900 [ 1352.551170][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.551220][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.551250][ T32] r4:00000001 [ 1352.551307][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.551348][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.551375][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.551404][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.551432][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.551474][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.551502][ T32] r4:84aae040 [ 1352.551526][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.551556][ T32] INFO: task kworker/0:424:6105 blocked for more than 478 seconds. [ 1352.551590][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.551621][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.551645][ T32] task:kworker/0:424 state:D stack:0 pid:6105 tgid:6105 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.551704][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.551750][ T32] Call trace: [ 1352.551782][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.551831][ T32] r10:8291a684 r9:ecb35d84 r8:00000002 r7:60000013 r6:ecb35d8c r5:8594ec00 [ 1352.551854][ T32] r4:8594ec00 [ 1352.551874][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.551915][ T32] r5:8594ec00 r4:8291a680 [ 1352.551936][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.552000][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.552075][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb35e08 [ 1352.552103][ T32] r4:00000000 [ 1352.552137][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.552176][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.552214][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.552256][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84698d40 [ 1352.552279][ T32] r4:00000000 [ 1352.552308][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.552356][ T32] r9:83018005 r8:8594ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f073000 [ 1352.552378][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.552420][ T32] r5:00001000 r4:eb783000 [ 1352.552439][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.552478][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.552577][ T32] r5:85904b8c r4:85904800 [ 1352.552658][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.552738][ T32] r7:dddced80 r6:83018000 r5:85904b8c r4:8495c300 [ 1352.552764][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.552814][ T32] r10:61c88647 r9:8594ec00 r8:8495c32c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.552839][ T32] r4:8495c300 [ 1352.552858][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.552904][ T32] r10:00000000 r9:8495c300 r8:80287e08 r7:ecb31e60 r6:848b7400 r5:8594ec00 [ 1352.552941][ T32] r4:00000001 [ 1352.552992][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.553034][ T32] Exception stack(0xecb35fb0 to 0xecb35ff8) [ 1352.553088][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.553121][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.553149][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.553192][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.553218][ T32] r4:84698c80 [ 1352.553652][ T32] INFO: task kworker/0:424:6105 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.553751][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.553848][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.553906][ T32] Call trace: [ 1352.553991][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.554048][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.554100][ T32] r4:00000000 [ 1352.554150][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.554245][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.554283][ T32] 9d20: 89774000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.554323][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.554350][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.554376][ T32] r5:800d0013 r4:80239bb0 [ 1352.554422][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.554468][ T32] r4:82ac21e4 [ 1352.554489][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.554583][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.554611][ T32] r4:e0459dc0 [ 1352.554631][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.554698][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.554725][ T32] r4:00000000 [ 1352.554770][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.554853][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.554879][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.554943][ T32] r5:00001000 r4:ed35f000 [ 1352.554967][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.555009][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.555053][ T32] r5:85c1038c r4:85c10000 [ 1352.555085][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.555162][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.555192][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.555242][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.555296][ T32] r4:84ab5900 [ 1352.555323][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.555387][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.555415][ T32] r4:00000001 [ 1352.555436][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.555473][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.555499][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.555527][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.555554][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.555583][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.555632][ T32] r4:84aae040 [ 1352.555682][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.555737][ T32] INFO: task kworker/0:425:6107 blocked for more than 478 seconds. [ 1352.555769][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.555793][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.555829][ T32] task:kworker/0:425 state:D stack:0 pid:6107 tgid:6107 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.555904][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.555953][ T32] Call trace: [ 1352.555984][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.556036][ T32] r10:8291a684 r9:ec9d1d84 r8:00000002 r7:60000013 r6:ec9d1d8c r5:8594d400 [ 1352.556061][ T32] r4:8594d400 [ 1352.556081][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.556125][ T32] r5:8594d400 r4:8291a680 [ 1352.556172][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.556217][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.556286][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec9d1e08 [ 1352.556320][ T32] r4:00000000 [ 1352.556388][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.556428][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.556474][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.556556][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84698f00 [ 1352.556600][ T32] r4:00000000 [ 1352.556630][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.556677][ T32] r9:83018005 r8:8594d400 r7:00000000 r6:83018000 r5:00001000 r4:7f077000 [ 1352.556740][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.556786][ T32] r5:00001000 r4:ebac5000 [ 1352.556806][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.556857][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.556934][ T32] r5:85904f8c r4:85904c00 [ 1352.556962][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.557029][ T32] r7:dddced80 r6:83018000 r5:85904f8c r4:8495c380 [ 1352.557061][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.557111][ T32] r10:61c88647 r9:8594d400 r8:8495c3ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.557176][ T32] r4:8495c380 [ 1352.557200][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.557299][ T32] r10:00000000 r9:8495c380 r8:80287e08 r7:ecb31e60 r6:848b7480 r5:8594d400 [ 1352.557328][ T32] r4:00000001 [ 1352.557348][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.557384][ T32] Exception stack(0xec9d1fb0 to 0xec9d1ff8) [ 1352.557411][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.557442][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.557469][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.557523][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.557552][ T32] r4:84698980 [ 1352.557759][ T32] INFO: task kworker/0:425:6107 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.557793][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.557934][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.557992][ T32] Call trace: [ 1352.558025][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.558076][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.558113][ T32] r4:00000000 [ 1352.558142][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.558185][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.558226][ T32] 9d20: 89774000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.558359][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.558392][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.558419][ T32] r5:800d0013 r4:80239bb0 [ 1352.558459][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.558506][ T32] r4:82ac21e4 [ 1352.558565][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.558613][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.558637][ T32] r4:e0459dc0 [ 1352.558657][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.558699][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.558723][ T32] r4:00000000 [ 1352.558773][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.558826][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.558903][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.558952][ T32] r5:00001000 r4:ed35f000 [ 1352.558999][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.559047][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.559119][ T32] r5:85c1038c r4:85c10000 [ 1352.559148][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.559300][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.584548][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.584685][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.584715][ T32] r4:84ab5900 [ 1352.584788][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.584845][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.584895][ T32] r4:00000001 [ 1352.584921][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.584962][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.584999][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.585056][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.585088][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.585118][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.585158][ T32] r4:84aae040 [ 1352.585186][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.585216][ T32] INFO: task kworker/0:426:6111 blocked for more than 479 seconds. [ 1352.585251][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.585275][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.585332][ T32] task:kworker/0:426 state:D stack:0 pid:6111 tgid:6111 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.585402][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.585451][ T32] Call trace: [ 1352.585510][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.585568][ T32] r10:8291a684 r9:ecb39d84 r8:00000002 r7:60000013 r6:ecb39d8c r5:85876c00 [ 1352.585592][ T32] r4:85876c00 [ 1352.585612][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.585655][ T32] r5:85876c00 r4:8291a680 [ 1352.585676][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.585715][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.585784][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb39e08 [ 1352.585812][ T32] r4:00000000 [ 1352.585832][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.585870][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.585936][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.585983][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84698c80 [ 1352.586006][ T32] r4:00000000 [ 1352.586032][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.586108][ T32] r9:83018005 r8:85876c00 r7:00000000 r6:83018000 r5:00001000 r4:7f079000 [ 1352.586151][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.586200][ T32] r5:00001000 r4:ebc63000 [ 1352.586246][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.586299][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.586345][ T32] r5:8590538c r4:85905000 [ 1352.586367][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.586439][ T32] r7:dddced80 r6:83018000 r5:8590538c r4:8495c400 [ 1352.586467][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.586530][ T32] r10:61c88647 r9:85876c00 r8:8495c42c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.586614][ T32] r4:8495c400 [ 1352.586638][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.586686][ T32] r10:00000000 r9:8495c400 r8:80287e08 r7:ecb31e60 r6:848b7500 r5:85876c00 [ 1352.586711][ T32] r4:00000001 [ 1352.586758][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.586826][ T32] Exception stack(0xecb39fb0 to 0xecb39ff8) [ 1352.586857][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.586886][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.586914][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.586943][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.586966][ T32] r4:84698e00 [ 1352.587356][ T32] INFO: task kworker/0:426:6111 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.587393][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.587478][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.587558][ T32] Call trace: [ 1352.587621][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.587703][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.587737][ T32] r4:00000000 [ 1352.587759][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.587802][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.587855][ T32] 9d20: 89c0e000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.587917][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.587947][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.587997][ T32] r5:800d0013 r4:80239bb0 [ 1352.588023][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.588068][ T32] r4:82ac21e4 [ 1352.588111][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.588187][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.588215][ T32] r4:e0459dc0 [ 1352.588236][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.588298][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.588326][ T32] r4:00000000 [ 1352.588348][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.588420][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.588475][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.588666][ T32] r5:00001000 r4:ed35f000 [ 1352.588726][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.588775][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.588828][ T32] r5:85c1038c r4:85c10000 [ 1352.588903][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.588983][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.589010][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.589086][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.589113][ T32] r4:84ab5900 [ 1352.589134][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.589184][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.589242][ T32] r4:00000001 [ 1352.598183][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.598256][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.598320][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.598355][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.598384][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.598417][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.598496][ T32] r4:84aae040 [ 1352.598527][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.598558][ T32] INFO: task kworker/0:427:6113 blocked for more than 479 seconds. [ 1352.598592][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.598619][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.598643][ T32] task:kworker/0:427 state:D stack:0 pid:6113 tgid:6113 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.598699][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.598798][ T32] Call trace: [ 1352.598839][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.598894][ T32] r10:8291a684 r9:ecb41d84 r8:00000002 r7:60000013 r6:ecb41d8c r5:85950c00 [ 1352.598918][ T32] r4:85950c00 [ 1352.598967][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.599017][ T32] r5:85950c00 r4:8291a680 [ 1352.599040][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.599082][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.599186][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb41e08 [ 1352.602796][ T32] r4:00000000 [ 1352.602863][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.602922][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.602963][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.603007][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84af5fc0 [ 1352.603031][ T32] r4:00000000 [ 1352.603053][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.603102][ T32] r9:83018005 r8:85950c00 r7:00000000 r6:83018000 r5:00001000 r4:7f07b000 [ 1352.603127][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.603175][ T32] r5:00001000 r4:ebcaf000 [ 1352.603224][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.603273][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.603332][ T32] r5:8590578c r4:85905400 [ 1352.603386][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.603442][ T32] r7:dddced80 r6:83018000 r5:8590578c r4:8495c480 [ 1352.603467][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.603516][ T32] r10:61c88647 r9:85950c00 r8:8495c4ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.603540][ T32] r4:8495c480 [ 1352.603560][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.603608][ T32] r10:00000000 r9:8495c480 r8:80287e08 r7:ecb31e60 r6:848b7580 r5:85950c00 [ 1352.603632][ T32] r4:00000001 [ 1352.603652][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.603697][ T32] Exception stack(0xecb41fb0 to 0xecb41ff8) [ 1352.603757][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.603818][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.603851][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.603881][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.603910][ T32] r4:854cb000 [ 1352.604331][ T32] INFO: task kworker/0:427:6113 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.604373][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.604497][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.604592][ T32] Call trace: [ 1352.604625][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.604679][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.604727][ T32] r4:00000000 [ 1352.604760][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.604805][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.604835][ T32] 9d20: 89c0e000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.604918][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.604982][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.605012][ T32] r5:800d0013 r4:80239bb0 [ 1352.605073][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.605148][ T32] r4:82ac21e4 [ 1352.605200][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.605250][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.605301][ T32] r4:e0459dc0 [ 1352.605336][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.605382][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.605405][ T32] r4:00000000 [ 1352.605449][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.605503][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.605527][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.605573][ T32] r5:00001000 r4:ed35f000 [ 1352.605621][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.605670][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.605743][ T32] r5:85c1038c r4:85c10000 [ 1352.605770][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.605819][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.605841][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.605889][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.606020][ T32] r4:84ab5900 [ 1352.606045][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.606095][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.606121][ T32] r4:00000001 [ 1352.606183][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.606226][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.606280][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.606323][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.606356][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.606387][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.606448][ T32] r4:84aae040 [ 1352.606475][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.606531][ T32] INFO: task kworker/0:428:6116 blocked for more than 479 seconds. [ 1352.606596][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.606627][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.606653][ T32] task:kworker/0:428 state:D stack:0 pid:6116 tgid:6116 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.606701][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.606745][ T32] Call trace: [ 1352.606778][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.606827][ T32] r10:8291a684 r9:ecb4dd84 r8:00000002 r7:60000013 r6:ecb4dd8c r5:85950000 [ 1352.606877][ T32] r4:85950000 [ 1352.606904][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.606976][ T32] r5:85950000 r4:8291a680 [ 1352.607005][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.607076][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.607153][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb4de08 [ 1352.607182][ T32] r4:00000000 [ 1352.607209][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.607247][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.607304][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.607353][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854cb5c0 [ 1352.607377][ T32] r4:00000000 [ 1352.607418][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.607468][ T32] r9:83018005 r8:85950000 r7:00000000 r6:83018000 r5:00001000 r4:7f085000 [ 1352.607491][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.607534][ T32] r5:00001000 r4:ec537000 [ 1352.607555][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.607596][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.607641][ T32] r5:8590678c r4:85906400 [ 1352.607662][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.607709][ T32] r7:dddced80 r6:83018000 r5:8590678c r4:8495c500 [ 1352.607731][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.607797][ T32] r10:61c88647 r9:85950000 r8:8495c52c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.607825][ T32] r4:8495c500 [ 1352.607845][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.607961][ T32] r10:00000000 r9:8495c500 r8:80287e08 r7:ecb31e60 r6:848b7600 r5:85950000 [ 1352.607989][ T32] r4:00000001 [ 1352.608010][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.608048][ T32] Exception stack(0xecb4dfb0 to 0xecb4dff8) [ 1352.608100][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.608152][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.608197][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.608256][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.608340][ T32] r4:854cb200 [ 1352.608596][ T32] INFO: task kworker/0:428:6116 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.608637][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.608696][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.608742][ T32] Call trace: [ 1352.608774][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.608826][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.608850][ T32] r4:00000000 [ 1352.608885][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.608931][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.608962][ T32] 9d20: 89c0e000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.609043][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.609074][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.609099][ T32] r5:800d0013 r4:80239bb0 [ 1352.609120][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.609162][ T32] r4:82ac21e4 [ 1352.609196][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.630150][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.630211][ T32] r4:e0459dc0 [ 1352.630238][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.630334][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.630364][ T32] r4:00000000 [ 1352.630386][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.630438][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.630481][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.630586][ T32] r5:00001000 r4:ed35f000 [ 1352.630639][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.630686][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.630732][ T32] r5:85c1038c r4:85c10000 [ 1352.630754][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.630811][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.630836][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.630886][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.630911][ T32] r4:84ab5900 [ 1352.630931][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.630980][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.631003][ T32] r4:00000001 [ 1352.631024][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.631088][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.631150][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.631210][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.631242][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.631276][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.631307][ T32] r4:84aae040 [ 1352.631332][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.631374][ T32] INFO: task kworker/0:429:6117 blocked for more than 479 seconds. [ 1352.631438][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.631476][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.631502][ T32] task:kworker/0:429 state:D stack:0 pid:6117 tgid:6117 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.631588][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.631666][ T32] Call trace: [ 1352.631719][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.631779][ T32] r10:8291a684 r9:ecb51d84 r8:00000002 r7:60000113 r6:ecb51d8c r5:85953000 [ 1352.631832][ T32] r4:85953000 [ 1352.631885][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.631964][ T32] r5:85953000 r4:8291a680 [ 1352.631990][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.632033][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.632104][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb51e08 [ 1352.632132][ T32] r4:00000000 [ 1352.632153][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.632218][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.632260][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.632326][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854cb2c0 [ 1352.632354][ T32] r4:00000000 [ 1352.632377][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.632425][ T32] r9:83018005 r8:85953000 r7:00000000 r6:83018000 r5:00001000 r4:7f081000 [ 1352.632448][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.632493][ T32] r5:00001000 r4:ec501000 [ 1352.632536][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.632579][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.632626][ T32] r5:85905f8c r4:85905c00 [ 1352.632674][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.632726][ T32] r7:dddced80 r6:83018000 r5:85905f8c r4:8495c580 [ 1352.632749][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.632798][ T32] r10:61c88647 r9:85953000 r8:8495c5ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.632823][ T32] r4:8495c580 [ 1352.632844][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.632890][ T32] r10:00000000 r9:8495c580 r8:80287e08 r7:ecb4de60 r6:848b7680 r5:85953000 [ 1352.632914][ T32] r4:00000001 [ 1352.632934][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.632995][ T32] Exception stack(0xecb51fb0 to 0xecb51ff8) [ 1352.633027][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.633058][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.633101][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.633136][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.633160][ T32] r4:854cb200 [ 1352.633612][ T32] INFO: task kworker/0:429:6117 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.633655][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.633718][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.633767][ T32] Call trace: [ 1352.633798][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.633851][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.633876][ T32] r4:00000000 [ 1352.633896][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.633937][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.633967][ T32] 9d20: 89f40000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.633998][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.634077][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.634134][ T32] r5:800d0013 r4:80239bb0 [ 1352.634188][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.634274][ T32] r4:82ac21e4 [ 1352.634338][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.634389][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.634414][ T32] r4:e0459dc0 [ 1352.634435][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.634479][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.634504][ T32] r4:00000000 [ 1352.634524][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.634598][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.634626][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.634673][ T32] r5:00001000 r4:ed35f000 [ 1352.634695][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.634736][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.634779][ T32] r5:85c1038c r4:85c10000 [ 1352.634825][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.634881][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.634932][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.635012][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.635048][ T32] r4:84ab5900 [ 1352.635068][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.635116][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.635152][ T32] r4:00000001 [ 1352.635199][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.635243][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.635302][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.635345][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.635373][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.635403][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.635451][ T32] r4:84aae040 [ 1352.635494][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.635543][ T32] INFO: task kworker/0:430:6119 blocked for more than 479 seconds. [ 1352.635600][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.635648][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.635690][ T32] task:kworker/0:430 state:D stack:0 pid:6119 tgid:6119 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.635813][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.635891][ T32] Call trace: [ 1352.635945][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.636000][ T32] r10:8291a684 r9:ecb59d84 r8:00000002 r7:60000113 r6:ecb59d8c r5:85953c00 [ 1352.636024][ T32] r4:85953c00 [ 1352.636045][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.636100][ T32] r5:85953c00 r4:8291a680 [ 1352.636130][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.636210][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.636258][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb59e08 [ 1352.636300][ T32] r4:00000000 [ 1352.636334][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.636420][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.636461][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.636566][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854cb440 [ 1352.636625][ T32] r4:00000000 [ 1352.636652][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1352.636944][ T32] r5:8590638c r4:85906000 ** 1 printk messages dropped ** [ 1352.637018][ T32] r7:dddced80 r6:83018000 r5:8590638c r4:8495c600 ** 6 printk messages dropped ** [ 1352.637413][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1352.637930][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1352.638145][ T32] r4:00000000 [ 1352.638165][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.638232][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.638267][ T32] 9d20: 89f40000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.638326][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.638386][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.638416][ T32] r5:800d0013 r4:80239bb0 [ 1352.638445][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.638519][ T32] r4:82ac21e4 [ 1352.638572][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.638621][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.638651][ T32] r4:e0459dc0 [ 1352.638700][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.638776][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.638832][ T32] r4:00000000 [ 1352.638857][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.638909][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.638932][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.638975][ T32] r5:00001000 r4:ed35f000 [ 1352.639024][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.639095][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.639146][ T32] r5:85c1038c r4:85c10000 [ 1352.639184][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.668855][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.668969][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.669049][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.669075][ T32] r4:84ab5900 [ 1352.669123][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.669184][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.669243][ T32] r4:00000001 [ 1352.669327][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.669824][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.669871][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.669930][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.669967][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.670002][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.670026][ T32] r4:84aae040 [ 1352.670052][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.670112][ T32] INFO: task kworker/0:431:6120 blocked for more than 479 seconds. [ 1352.670154][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.670207][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.670240][ T32] task:kworker/0:431 state:D stack:0 pid:6120 tgid:6120 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.670318][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.670378][ T32] Call trace: [ 1352.670413][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.670469][ T32] r10:8291a684 r9:ecb5dd84 r8:00000002 r7:60000013 r6:ecb5dd8c r5:85954800 [ 1352.670492][ T32] r4:85954800 [ 1352.670539][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.670590][ T32] r5:85954800 r4:8291a680 [ 1352.670617][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.670661][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.670705][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb5de08 [ 1352.670728][ T32] r4:00000000 [ 1352.670748][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.670797][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.670842][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.670886][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854cb700 [ 1352.670936][ T32] r4:00000000 [ 1352.670970][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.671023][ T32] r9:83018005 r8:85954800 r7:00000000 r6:83018000 r5:00001000 r4:7f08d000 [ 1352.671046][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.671091][ T32] r5:00001000 r4:ec55b000 [ 1352.671130][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.671178][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.671224][ T32] r5:85906b8c r4:85906800 [ 1352.671245][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.671299][ T32] r7:dddced80 r6:83018000 r5:85906b8c r4:8495c680 [ 1352.671323][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.671375][ T32] r10:61c88647 r9:85954800 r8:8495c6ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.671415][ T32] r4:8495c680 [ 1352.671441][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.671490][ T32] r10:00000000 r9:8495c680 r8:80287e08 r7:ecb4de60 r6:848b7780 r5:85954800 [ 1352.671514][ T32] r4:00000001 [ 1352.671534][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.671598][ T32] Exception stack(0xecb5dfb0 to 0xecb5dff8) [ 1352.671636][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.671669][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.671698][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.671728][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.671779][ T32] r4:854cb240 [ 1352.672192][ T32] INFO: task kworker/0:431:6120 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.672228][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.672366][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.672447][ T32] Call trace: [ 1352.672564][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.672624][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.672677][ T32] r4:00000000 [ 1352.672702][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.672771][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.672825][ T32] 9d20: 8a34b000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.672892][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.672927][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.672952][ T32] r5:800d0013 r4:80239bb0 [ 1352.672975][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.673033][ T32] r4:82ac21e4 [ 1352.673059][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.673104][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.673129][ T32] r4:e0459dc0 [ 1352.673162][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.673235][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.673261][ T32] r4:00000000 [ 1352.673282][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.673342][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.673390][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.673497][ T32] r5:00001000 r4:ed35f000 [ 1352.673523][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.673623][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.673691][ T32] r5:85c1038c r4:85c10000 [ 1352.673717][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.673766][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.673790][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.673865][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.673919][ T32] r4:84ab5900 [ 1352.673944][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.674003][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.674031][ T32] r4:00000001 [ 1352.674050][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.674087][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.674114][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.674152][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.674245][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.674282][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.674328][ T32] r4:84aae040 [ 1352.674353][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.674380][ T32] INFO: task kworker/0:432:6123 blocked for more than 479 seconds. [ 1352.674410][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.674475][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.674528][ T32] task:kworker/0:432 state:D stack:0 pid:6123 tgid:6123 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.674582][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.674626][ T32] Call trace: [ 1352.674659][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.674706][ T32] r10:8291a684 r9:ecb29d84 r8:00000002 r7:60000013 r6:ecb29d8c r5:85053c00 [ 1352.674747][ T32] r4:85053c00 [ 1352.674799][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.674860][ T32] r5:85053c00 r4:8291a680 [ 1352.674912][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.674982][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.675029][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb29e08 [ 1352.675079][ T32] r4:00000000 [ 1352.675102][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.675141][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.675203][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.675252][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854cb840 [ 1352.675275][ T32] r4:00000000 [ 1352.675300][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.675377][ T32] r9:83018005 r8:85053c00 r7:00000000 r6:83018000 r5:00001000 r4:7f091000 [ 1352.675404][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.675447][ T32] r5:00001000 r4:ec5c3000 [ 1352.675494][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.675540][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.675591][ T32] r5:85906f8c r4:85906c00 [ 1352.675614][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.675663][ T32] r7:dddced80 r6:83018000 r5:85906f8c r4:8495c700 [ 1352.675724][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.675791][ T32] r10:61c88647 r9:85053c00 r8:8495c72c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.675823][ T32] r4:8495c700 [ 1352.675871][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.675923][ T32] r10:00000000 r9:8495c700 r8:80287e08 r7:ecb5de60 r6:8495c780 r5:85053c00 [ 1352.675973][ T32] r4:00000001 [ 1352.676015][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.676093][ T32] Exception stack(0xecb29fb0 to 0xecb29ff8) [ 1352.676155][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.676228][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.676260][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.676368][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.676440][ T32] r4:854cb240 [ 1352.676741][ T32] INFO: task kworker/0:432:6123 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.676886][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.677040][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.677087][ T32] Call trace: [ 1352.677301][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.677362][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.677386][ T32] r4:00000000 [ 1352.677475][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.677520][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.677578][ T32] 9d20: 8a34b000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.677613][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.677640][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.677669][ T32] r5:800d0013 r4:80239bb0 [ 1352.677718][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.677765][ T32] r4:82ac21e4 [ 1352.677786][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.677852][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.677880][ T32] r4:e0459dc0 [ 1352.677927][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.677974][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.678000][ T32] r4:00000000 [ 1352.678047][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.678098][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.678122][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.678176][ T32] r5:00001000 r4:ed35f000 [ 1352.678224][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1352.678687][ T32] r4:84ab5900 ** 5 printk messages dropped ** [ 1352.679002][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1352.710355][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1352.711260][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1352.712218][ T32] r5:00001000 r4:ec6b1000 ** 2 printk messages dropped ** [ 1352.712497][ T32] r5:85907f8c r4:85907c00 [ 1352.712725][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.712862][ T32] r7:dddced80 r6:83018000 r5:85907f8c r4:8495c800 [ 1352.712913][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.713003][ T32] r10:61c88647 r9:85056c00 r8:8495c82c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.713071][ T32] r4:8495c800 [ 1352.713111][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.713252][ T32] r10:00000000 r9:8495c800 r8:80287e08 r7:ecb29e60 r6:8495c880 r5:85056c00 [ 1352.713321][ T32] r4:00000001 [ 1352.713359][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.713428][ T32] Exception stack(0xecb61fb0 to 0xecb61ff8) [ 1352.713481][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.713548][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.713599][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.713682][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.713730][ T32] r4:854cb6c0 [ 1352.714246][ T32] INFO: task kworker/0:433:6125 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.714293][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.714376][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.714462][ T32] Call trace: [ 1352.714509][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.714607][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.714649][ T32] r4:00000000 [ 1352.714677][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.714731][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.714797][ T32] 9d20: 8a6c8000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.714865][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.714902][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.714960][ T32] r5:800d0013 r4:80239bb0 [ 1352.714986][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.715032][ T32] r4:82ac21e4 [ 1352.715055][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.715103][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.715128][ T32] r4:e0459dc0 [ 1352.715151][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.715224][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.715254][ T32] r4:00000000 [ 1352.715277][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.715357][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.715384][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.715433][ T32] r5:00001000 r4:ed35f000 [ 1352.715462][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.715508][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1352.715706][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 ** 7 printk messages dropped ** [ 1352.716056][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) ** 6 printk messages dropped ** [ 1352.716327][ T32] INFO: task kworker/0:434:6127 blocked for more than 479 seconds. ** 9 printk messages dropped ** [ 1352.716866][ T32] r5:85055400 r4:8291a680 ** 5 printk messages dropped ** [ 1352.717186][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1352.717641][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.717712][ T32] r5:8590738c r4:85907000 [ 1352.717738][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.717785][ T32] r7:dddced80 r6:83018000 r5:8590738c r4:8495c900 [ 1352.717807][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.717854][ T32] r10:61c88647 r9:85055400 r8:8495c92c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.717878][ T32] r4:8495c900 [ 1352.717925][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.717990][ T32] r10:00000000 r9:8495c900 r8:80287e08 r7:ecb61e60 r6:8495c980 r5:85055400 [ 1352.718017][ T32] r4:00000001 [ 1352.718063][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.718131][ T32] Exception stack(0xecb69fb0 to 0xecb69ff8) [ 1352.718162][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.718192][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.718219][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.718274][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.718324][ T32] r4:854cb800 [ 1352.718597][ T32] INFO: task kworker/0:434:6127 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.718640][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.718708][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.718810][ T32] Call trace: [ 1352.718846][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.718900][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.718929][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1352.719022][ T32] Exception stack(0xe0459d28 to 0xe0459d70) ** 11 printk messages dropped ** [ 1352.741737][ T32] r4:00000000 ** 9 printk messages dropped ** [ 1352.742152][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 11 printk messages dropped ** [ 1352.742751][ T32] r4:84aae040 ** 5 printk messages dropped ** [ 1352.743051][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1352.743307][ T32] r5:85053000 r4:8291a680 ** 3 printk messages dropped ** [ 1352.743497][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.743650][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854cbbc0 ** 7 printk messages dropped ** [ 1352.744098][ T32] r5:8590778c r4:85907400 [ 1352.744123][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1352.744281][ T32] r10:61c88647 r9:85053000 r8:8495ca2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1352.744670][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1352.745440][ T32] Call trace: ** 7 printk messages dropped ** [ 1352.745832][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff ** 7 printk messages dropped ** [ 1352.746569][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 ** 10 printk messages dropped ** [ 1352.747445][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1352.747722][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) ** 7 printk messages dropped ** [ 1352.747937][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 6 printk messages dropped ** [ 1352.748231][ T32] r4:85955400 ** 4 printk messages dropped ** [ 1352.748408][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb71e08 ** 3 printk messages dropped ** [ 1352.748603][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.748651][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854cbdc0 [ 1352.748674][ T32] r4:00000000 [ 1352.748695][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.748801][ T32] r9:83018005 r8:85955400 r7:00000000 r6:83018000 r5:00001000 r4:7f0ad000 [ 1352.748829][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.748875][ T32] r5:00001000 r4:ec683000 [ 1352.748896][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.748938][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.748982][ T32] r5:85907b8c r4:85907800 [ 1352.749001][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.749045][ T32] r7:dddced80 r6:83018000 r5:85907b8c r4:8495cb00 [ 1352.749096][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.749164][ T32] r10:61c88647 r9:85955400 r8:8495cb2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.777081][ T32] r4:8495cb00 [ 1352.777233][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.777369][ T32] r10:00000000 r9:8495cb00 r8:80287e08 r7:ecb61e60 r6:848b7800 r5:85955400 [ 1352.777428][ T32] r4:00000001 [ 1352.777499][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.777589][ T32] Exception stack(0xecb71fb0 to 0xecb71ff8) [ 1352.777706][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.777921][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.778014][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.778080][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.778131][ T32] r4:854cbb00 [ 1352.778767][ T32] INFO: task kworker/0:436:6130 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.778817][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.778928][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.779026][ T32] Call trace: [ 1352.779098][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.779205][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.779312][ T32] r4:00000000 [ 1352.790487][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.790677][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.790761][ T32] 9d20: 8b002000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.790839][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.790903][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.790984][ T32] r5:800d0013 r4:80239bb0 [ 1352.791041][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.791144][ T32] r4:82ac21e4 [ 1352.791196][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.791324][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.791429][ T32] r4:e0459dc0 [ 1352.791495][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.791635][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.791726][ T32] r4:00000000 [ 1352.791786][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.791897][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.791953][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.792073][ T32] r5:00001000 r4:ed35f000 [ 1352.792134][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.792230][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.792333][ T32] r5:85c1038c r4:85c10000 [ 1352.792392][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.792531][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.792607][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.792734][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.792820][ T32] r4:84ab5900 [ 1352.792883][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.792996][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.793055][ T32] r4:00000001 [ 1352.793128][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.793242][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.793311][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.793383][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.793475][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.793567][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.793635][ T32] r4:84aae040 [ 1352.793699][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.793787][ T32] INFO: task kworker/0:437:6133 blocked for more than 479 seconds. [ 1352.793871][ T32] Not tainted 6.15.0-rc6-syzkaller #0 ** 5 printk messages dropped ** [ 1352.794459][ T32] r10:8291a684 r9:ecb75d84 r8:00000002 r7:60000113 r6:ecb75d8c r5:85952400 ** 4 printk messages dropped ** [ 1352.794842][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 11 printk messages dropped ** [ 1352.795792][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1352.796179][ T32] r7:dddced80 r6:83018000 r5:859b838c r4:8495cb80 ** 1 printk messages dropped ** [ 1352.796367][ T32] r10:61c88647 r9:85952400 r8:8495cbac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.796433][ T32] r4:8495cb80 [ 1352.796484][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.796632][ T32] r10:00000000 r9:8495cb80 r8:80287e08 r7:ecb61e60 r6:848b7880 r5:85952400 [ 1352.796693][ T32] r4:00000001 [ 1352.796745][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.796908][ T32] Exception stack(0xecb75fb0 to 0xecb75ff8) [ 1352.796987][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.797060][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.797130][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.797201][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.797283][ T32] r4:854cbb00 [ 1352.798036][ T32] INFO: task kworker/0:437:6133 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.798132][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.798372][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.798502][ T32] Call trace: [ 1352.798586][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.798708][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.798788][ T32] r4:00000000 [ 1352.798848][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.798942][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.799048][ T32] 9d20: 8b002000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.799121][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.799185][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.820097][ T32] r5:800d0013 r4:80239bb0 [ 1352.820264][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.820619][ T32] r4:82ac21e4 [ 1352.820700][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.820819][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.820892][ T32] r4:e0459dc0 [ 1352.820944][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.821041][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.821114][ T32] r4:00000000 [ 1352.821180][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.821287][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.821364][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.821471][ T32] r5:00001000 r4:ed35f000 [ 1352.821524][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.821616][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.821740][ T32] r5:85c1038c r4:85c10000 [ 1352.821794][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.821896][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.821950][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.822053][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.822105][ T32] r4:84ab5900 [ 1352.822148][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.822240][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.822293][ T32] r4:00000001 [ 1352.822335][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.822439][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.822510][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.822572][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.822639][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.822702][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.822750][ T32] r4:84aae040 [ 1352.822800][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.822859][ T32] INFO: task kworker/0:438:6135 blocked for more than 479 seconds. [ 1352.822929][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.822988][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.823076][ T32] task:kworker/0:438 state:D stack:0 pid:6135 tgid:6135 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.823225][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.823348][ T32] Call trace: ** 1 printk messages dropped ** [ 1352.823554][ T32] r10:8291a684 r9:ecb79d84 r8:00000002 r7:60000013 r6:ecb79d8c r5:85956000 ** 6 printk messages dropped ** [ 1352.824132][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1352.824591][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1352.825083][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.825187][ T32] r5:859b8b8c r4:859b8800 [ 1352.825236][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1352.825570][ T32] r4:8495cc00 ** 5 printk messages dropped ** [ 1352.825975][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1352.827383][ T32] Call trace: ** 6 printk messages dropped ** [ 1352.827952][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 ** 14 printk messages dropped ** [ 1352.829243][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) ** 18 printk messages dropped ** [ 1352.853944][ T32] INFO: task kworker/0:439:6138 blocked for more than 479 seconds. ** 9 printk messages dropped ** [ 1352.854942][ T32] r5:85958000 r4:8291a680 [ 1352.855000][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.855117][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.855225][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb85e08 [ 1352.855299][ T32] r4:00000000 [ 1352.855354][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.855439][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.855531][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.855661][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848d1200 [ 1352.855729][ T32] r4:00000000 [ 1352.855798][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.855926][ T32] r9:83018005 r8:85958000 r7:00000000 r6:83018000 r5:00001000 r4:7f0cf000 [ 1352.855985][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.856083][ T32] r5:00001000 r4:ec99b000 [ 1352.856134][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.856230][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.856346][ T32] r5:859b878c r4:859b8400 [ 1352.856408][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.856538][ T32] r7:dddced80 r6:83018000 r5:859b878c r4:8495cc80 [ 1352.856618][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.856772][ T32] r10:61c88647 r9:85958000 r8:8495ccac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.856854][ T32] r4:8495cc80 [ 1352.856910][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.857294][ T32] r10:00000000 r9:8495cc80 r8:80287e08 r7:ecb79e60 r6:848b7980 r5:85958000 [ 1352.857418][ T32] r4:00000001 [ 1352.857481][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.857573][ T32] Exception stack(0xecb85fb0 to 0xecb85ff8) [ 1352.857681][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.857750][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.857815][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.857878][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.857963][ T32] r4:854b5080 [ 1352.858825][ T32] INFO: task kworker/0:439:6138 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.858932][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.859147][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.888309][ T32] Call trace: [ 1352.888439][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.888619][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.888682][ T32] r4:00000000 [ 1352.888729][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.888808][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.888868][ T32] 9d20: 8b4a9000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.888925][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.889010][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff ** 2 printk messages dropped ** [ 1352.889207][ T32] r4:82ac21e4 ** 2 printk messages dropped ** [ 1352.890134][ T32] r4:e0459dc0 ** 4 printk messages dropped ** [ 1352.890444][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 ** 8 printk messages dropped ** [ 1352.891116][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1352.891305][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.891348][ T32] r4:00000001 [ 1352.891389][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.891474][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.891535][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.891590][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.891650][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.891720][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.891783][ T32] r4:84aae040 [ 1352.891832][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.891916][ T32] INFO: task kworker/0:440:6140 blocked for more than 479 seconds. [ 1352.892013][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.892065][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.892140][ T32] task:kworker/0:440 state:D stack:0 pid:6140 tgid:6140 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.892256][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.892360][ T32] Call trace: [ 1352.892423][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.892541][ T32] r10:8291a684 r9:ecb8dd84 r8:00000002 r7:60000113 r6:ecb8dd8c r5:85959800 [ 1352.892588][ T32] r4:85959800 [ 1352.892635][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.892713][ T32] r5:85959800 r4:8291a680 [ 1352.892781][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.892860][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.892954][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb8de08 [ 1352.893002][ T32] r4:00000000 [ 1352.893040][ T32] [<81a5704c>] (__mutex_lock_slowpath) from [<81a570a0>] (mutex_lock+0x3c/0x40) [ 1352.893111][ T32] [<81a57064>] (mutex_lock) from [<804e77f0>] (_vm_unmap_aliases+0x68/0x240) [ 1352.893180][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.893257][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b52c0 [ 1352.893301][ T32] r4:00000000 [ 1352.893339][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.893438][ T32] r9:83018005 r8:85959800 r7:00000000 r6:83018000 r5:00001000 r4:7f0d5000 [ 1352.893485][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.893578][ T32] r5:00001000 r4:ec9bd000 [ 1352.893643][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.893749][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.893858][ T32] r5:859b8f8c r4:859b8c00 [ 1352.893903][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.893990][ T32] r7:dddced80 r6:83018000 r5:859b8f8c r4:8495cd00 [ 1352.894030][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.894132][ T32] r10:61c88647 r9:85959800 r8:8495cd2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.894181][ T32] r4:8495cd00 [ 1352.894218][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.894301][ T32] r10:00000000 r9:8495cd00 r8:80287e08 r7:ecb79e60 r6:848b7a00 r5:85959800 [ 1352.894360][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1352.894582][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1352.895859][ T32] Call trace: ** 8 printk messages dropped ** [ 1352.896577][ T32] r5:800d0013 r4:80239bb0 ** 6 printk messages dropped ** [ 1352.897074][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 ** 9 printk messages dropped ** [ 1352.897689][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 ** 4 printk messages dropped ** [ 1352.898022][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 ** 6 printk messages dropped ** [ 1352.898448][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 ** 9 printk messages dropped ** [ 1352.899198][ T32] r10:8291a684 r9:ecb95d84 r8:00000002 r7:60000013 r6:ecb95d8c r5:8595b000 ** 6 printk messages dropped ** [ 1352.921166][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.921473][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b5440 ** 10 printk messages dropped ** [ 1352.922378][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1352.922524][ T32] r4:8495cd80 [ 1352.922567][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.922664][ T32] r10:00000000 r9:8495cd80 r8:80287e08 r7:ecb8de60 r6:848b7a80 r5:8595b000 [ 1352.922709][ T32] r4:00000001 [ 1352.922753][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.922829][ T32] Exception stack(0xecb95fb0 to 0xecb95ff8) [ 1352.922890][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.922979][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.923149][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.923301][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.923378][ T32] r4:854b5140 [ 1352.924263][ T32] INFO: task kworker/0:441:6142 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.924356][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.924544][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.924659][ T32] Call trace: [ 1352.924753][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.924887][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.924944][ T32] r4:00000000 [ 1352.925002][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.925087][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.925146][ T32] 9d20: 8b604000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.925205][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 [ 1352.925305][ T32] 9d60: 80230ad0 80239bb0 800d0013 ffffffff [ 1352.925433][ T32] r5:800d0013 r4:80239bb0 [ 1352.925487][ T32] [<80230a6c>] (flush_tlb_kernel_range) from [<804e75c4>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.925570][ T32] r4:82ac21e4 [ 1352.925623][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.925728][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e0459dc0 r5:e0459e08 [ 1352.925787][ T32] r4:e0459dc0 [ 1352.925833][ T32] [<804e7788>] (_vm_unmap_aliases) from [<804eb6d0>] (vfree+0x168/0x204) [ 1352.925924][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b22380 [ 1352.925977][ T32] r4:00000000 [ 1352.926042][ T32] [<804eb568>] (vfree) from [<8054b11c>] (execmem_free+0x30/0x50) [ 1352.926142][ T32] r9:83018205 r8:845e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f1a1000 [ 1352.926191][ T32] [<8054b0ec>] (execmem_free) from [<803cc268>] (bpf_jit_free_exec+0x10/0x14) [ 1352.926278][ T32] r5:00001000 r4:ed35f000 [ 1352.926324][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.926434][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.926561][ T32] r5:85c1038c r4:85c10000 [ 1352.926642][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.926752][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.926808][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.926911][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.926961][ T32] r4:84ab5900 [ 1352.927004][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.927106][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.927160][ T32] r4:00000001 [ 1352.927207][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.927284][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.927342][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.927435][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.927514][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.927580][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.927655][ T32] r4:84aae040 [ 1352.927710][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.927777][ T32] INFO: task kworker/0:442:6143 blocked for more than 479 seconds. [ 1352.927857][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.927944][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.928000][ T32] task:kworker/0:442 state:D stack:0 pid:6143 tgid:6143 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.928126][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.928234][ T32] Call trace: [ 1352.928324][ T32] [<81a53144>] (__schedule) from [<81a540c8>] (schedule+0x2c/0x130) [ 1352.928446][ T32] r10:8291a684 r9:ecb99d84 r8:00000002 r7:60000113 r6:ecb99d8c r5:8595bc00 [ 1352.928568][ T32] r4:8595bc00 [ 1352.928676][ T32] [<81a5409c>] (schedule) from [<81a544b0>] (schedule_preempt_disabled+0x18/0x24) [ 1352.928779][ T32] r5:8595bc00 r4:8291a680 [ 1352.928870][ T32] [<81a54498>] (schedule_preempt_disabled) from [<81a56b94>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.928998][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.929098][ T32] r10:8280c8d4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb99e08 ** 7 printk messages dropped ** [ 1352.967287][ T32] r9:83018005 r8:8595bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f0db000 ** 1 printk messages dropped ** [ 1352.967460][ T32] r5:00001000 r4:ec9e7000 [ 1352.967516][ T32] [<803cc258>] (bpf_jit_free_exec) from [<803cc648>] (bpf_jit_free+0x68/0xe4) [ 1352.967618][ T32] [<803cc5e0>] (bpf_jit_free) from [<803cd7a4>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.967720][ T32] r5:859b978c r4:859b9400 [ 1352.967768][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.967874][ T32] r7:dddced80 r6:83018000 r5:859b978c r4:8495ce00 [ 1352.967924][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.968014][ T32] r10:61c88647 r9:8595bc00 r8:8495ce2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.968074][ T32] r4:8495ce00 [ 1352.968171][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.968283][ T32] r10:00000000 r9:8495ce00 r8:80287e08 r7:ecb95e60 r6:848b7b00 r5:8595bc00 [ 1352.968333][ T32] r4:00000001 [ 1352.968400][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.968529][ T32] Exception stack(0xecb99fb0 to 0xecb99ff8) [ 1352.968624][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.968688][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.968756][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.968830][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.968880][ T32] r4:854b5140 [ 1352.970348][ T32] INFO: task kworker/0:442:6143 is blocked on a mutex likely owned by task kworker/1:173:3617. [ 1352.970482][ T32] task:kworker/1:173 state:R running task stack:0 pid:3617 tgid:3617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.970626][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.970728][ T32] Call trace: [ 1352.970792][ T32] [<81a53144>] (__schedule) from [<81a544fc>] (preempt_schedule_irq+0x40/0xa8) [ 1352.970891][ T32] r10:82ac21c4 r9:845e8c00 r8:80200be4 r7:e0459d5c r6:ffffffff r5:845e8c00 [ 1352.970936][ T32] r4:00000000 [ 1352.970977][ T32] [<81a544bc>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.971048][ T32] Exception stack(0xe0459d28 to 0xe0459d70) [ 1352.971102][ T32] 9d20: 8b9dd000 dfe4f000 00000001 80239b98 7f1a1000 00000001 [ 1352.971157][ T32] 9d40: 82ac15a0 7f1a1000 dfe4f000 8280c928 82ac21c4 e0459da4 e0459da8 e0459d78 ** 4 printk messages dropped ** [ 1352.971413][ T32] [<804e73b4>] (__purge_vmap_area_lazy) from [<804e796c>] (_vm_unmap_aliases+0x1e4/0x240) ** 11 printk messages dropped ** [ 1352.972244][ T32] r5:85c1038c r4:85c10000 [ 1352.972285][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) [ 1352.972388][ T32] r7:ddde2d80 r6:83018200 r5:85c1038c r4:84ab5900 [ 1352.972436][ T32] [<80287208>] (process_one_work) from [<80288004>] (worker_thread+0x1fc/0x3d8) [ 1352.972563][ T32] r10:61c88647 r9:845e8c00 r8:84ab592c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.972615][ T32] r4:84ab5900 [ 1352.972670][ T32] [<80287e08>] (worker_thread) from [<8028f07c>] (kthread+0x12c/0x280) [ 1352.972776][ T32] r10:00000000 r9:84ab5900 r8:80287e08 r7:e0445e60 r6:84aaf280 r5:845e8c00 [ 1352.972829][ T32] r4:00000001 [ 1352.972868][ T32] [<8028ef50>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.972936][ T32] Exception stack(0xe0459fb0 to 0xe0459ff8) [ 1352.972986][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.973041][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.973120][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.973200][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8028ef50 [ 1352.973249][ T32] r4:84aae040 [ 1352.973309][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.973397][ T32] INFO: task kworker/0:443:6145 blocked for more than 479 seconds. [ 1352.973481][ T32] Not tainted 6.15.0-rc6-syzkaller #0 [ 1352.973534][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.973643][ T32] task:kworker/0:443 state:D stack:0 pid:6145 tgid:6145 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.973777][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1352.974092][ T32] r4:8595a400 ** 3 printk messages dropped ** [ 1352.974359][ T32] [<81a56894>] (__mutex_lock.constprop.0) from [<81a57060>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1352.974993][ T32] r9:83018005 r8:8595a400 r7:00000000 r6:83018000 r5:00001000 r4:7f0dd000 ** 4 printk messages dropped ** [ 1352.975362][ T32] r5:859b9b8c r4:859b9800 [ 1352.975427][ T32] [<803cd658>] (bpf_prog_free_deferred) from [<802873bc>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** VM DIAGNOSIS: 20:40:05 Registers: info registers vcpu 0 CPU#0 R00=00000000 R01=00000002 R02=eb12d030 R03=00000030 R04=840fe840 R05=ebc51f08 R06=8295b320 R07=00000000 R08=8282a2b8 R09=00000000 R10=0000032e R11=ebc51e6c R12=ebc51e08 R13=ebc51e48 R14=81a5c4d4 R15=80a62c88 PSR=800d0093 N--- A S svc32 s00=000000ff s01=00000000 d00=00000000000000ff s02=00000000 s03=00000000 d01=0000000000000000 s04=00000000 s05=00000000 d02=0000000000000000 s06=00000000 s07=00000000 d03=0000000000000000 s08=00000000 s09=00000000 d04=0000000000000000 s10=63538263 s11=37010135 d05=3701013563538263 s12=0379010e s13=1a0f0c06 d06=1a0f0c060379010e s14=3633211c s15=39773b3a d07=39773b3a3633211c s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=00000000 s33=00000000 d16=0000000000000000 s34=00000000 s35=00000000 d17=0000000000000000 s36=00000000 s37=00000000 d18=0000000000000000 s38=00000000 s39=00000000 d19=0000000000000000 s40=00000000 s41=00000000 d20=0000000000000000 s42=00000000 s43=00000000 d21=0000000000000000 s44=00000000 s45=00000000 d22=0000000000000000 s46=00000000 s47=00000000 d23=0000000000000000 s48=00000000 s49=00000000 d24=0000000000000000 s50=00000000 s51=00000000 d25=0000000000000000 s52=00000000 s53=00000000 d26=0000000000000000 s54=00000000 s55=00000000 d27=0000000000000000 s56=00000000 s57=00000000 d28=0000000000000000 s58=00000000 s59=00000000 d29=0000000000000000 s60=00000000 s61=00000000 d30=0000000000000000 s62=00000000 s63=00000000 d31=0000000000000000 FPSCR: 80000010 info registers vcpu 1 CPU#1 R00=00000001 R01=82257e84 R02=00000000 R03=81a50e28 R04=00000006 R05=828fac48 R06=00000000 R07=828fac40 R08=832e2400 R09=00000028 R10=828fac48 R11=df8e1c98 R12=df8e1c9c R13=df8e1c8c R14=803480f4 R15=81a50e38 PSR=800d0193 N--- A S svc32 s00=6374652f s01=636f6c2f d00=636f6c2f6374652f s02=00000000 s03=00000000 d01=0000000000000000 s04=00000000 s05=00000000 d02=0000000000000000 s06=00000000 s07=00000000 d03=0000000000000000 s08=00000000 s09=00000000 d04=0000000000000000 s10=00000000 s11=00000000 d05=0000000000000000 s12=00000000 s13=00000000 d06=0000000000000000 s14=ffffffff s15=ffffffff d07=ffffffffffffffff s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=00000000 s33=00000000 d16=0000000000000000 s34=00000000 s35=00000000 d17=0000000000000000 s36=00000000 s37=00000000 d18=0000000000000000 s38=00000000 s39=00000000 d19=0000000000000000 s40=00000000 s41=00000000 d20=0000000000000000 s42=00000000 s43=00000000 d21=0000000000000000 s44=00000000 s45=00000000 d22=0000000000000000 s46=00000000 s47=00000000 d23=0000000000000000 s48=00000000 s49=00000000 d24=0000000000000000 s50=00000000 s51=00000000 d25=0000000000000000 s52=00000000 s53=00000000 d26=0000000000000000 s54=00000000 s55=00000000 d27=0000000000000000 s56=00000000 s57=00000000 d28=0000000000000000 s58=00000000 s59=00000000 d29=0000000000000000 s60=00000000 s61=00000000 d30=0000000000000000 s62=00000000 s63=00000000 d31=0000000000000000 FPSCR: 00000000