[ 32.684085][ T30] kauditd_printk_skb: 5 callbacks suppressed [ 32.684133][ T30] audit: type=1400 audit(32.620:67): avc: denied { getattr } for pid=2946 comm="getty" path="/dev/ttyAMA0" dev="devtmpfs" ino=764 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 syzkaller syzkaller login: [ 35.060345][ T30] audit: type=1400 audit(35.000:68): avc: denied { read write } for pid=2967 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 [ 35.065209][ T30] audit: type=1400 audit(35.000:69): avc: denied { open } for pid=2967 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]:39719' (ED25519) to the list of known hosts. [ 987.565217][ T30] audit: type=1400 audit(987.500:70): avc: denied { execute } for pid=2992 comm="sh" name="syz-executor1673502594" dev="vda" ino=682 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 987.565878][ T30] audit: type=1400 audit(987.510:71): avc: denied { execute_no_trans } for pid=2992 comm="sh" path="/syz-executor1673502594" dev="vda" ino=682 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 988.302587][ T30] audit: type=1400 audit(988.240:72): avc: denied { execmem } for pid=2992 comm="syz-executor167" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 executing program [ 988.405189][ T30] audit: type=1400 audit(988.340:73): avc: denied { prog_load } for pid=2994 comm="syz-executor167" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 988.406217][ T30] audit: type=1400 audit(988.340:74): avc: denied { bpf } for pid=2994 comm="syz-executor167" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 988.406988][ T30] audit: type=1400 audit(988.340:75): avc: denied { perfmon } for pid=2994 comm="syz-executor167" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 988.437055][ T30] audit: type=1400 audit(988.380:76): avc: denied { prog_run } for pid=2994 comm="syz-executor167" 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1774.619179][ T31] INFO: task kworker/1:0:22 blocked for more than 450 seconds. [ 1774.621750][ T31] Not tainted 6.8.0-rc1-syzkaller #0 [ 1774.625373][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1774.625958][ T31] task:kworker/1:0 state:D stack:0 pid:22 tgid:22 ppid:2 flags:0x00000000 [ 1774.626622][ T31] Workqueue: events bpf_prog_free_deferred [ 1774.634838][ T31] Backtrace: [ 1774.635211][ T31] [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8) [ 1774.635761][ T31] r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df875dac r5:82e79800 [ 1774.636019][ T31] r4:82e79800 [ 1774.636197][ T31] [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24) [ 1774.636580][ T31] r5:82e79800 r4:8270dd74 [ 1774.636796][ T31] [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0) [ 1774.637082][ T31] [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18) [ 1774.637366][ T31] r10:82c16205 r9:df875e38 r8:00000000 r7:ffffffff r6:00000000 r5:845ef9c0 [ 1774.637583][ T31] r4:00000000 [ 1774.637696][ T31] [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40) [ 1774.638060][ T31] [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4) [ 1774.638400][ T31] [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0) [ 1774.638773][ T31] r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:845ef9c0 [ 1774.639105][ T31] r4:00000000 [ 1774.639256][ T31] [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50) [ 1774.639620][ T31] r9:82e79800 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f033000 [ 1774.639841][ T31] [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14) [ 1774.640094][ T31] r5:00001000 r4:df9db000 [ 1774.640318][ T31] [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4) [ 1774.640588][ T31] [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164) [ 1774.640942][ T31] r5:84c0e350 r4:84c0e000 [ 1774.641104][ T31] [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4) [ 1774.641629][ T31] r7:ddde4280 r6:82c16200 r5:84c0e350 r4:82c0be00 [ 1774.641885][ T31] [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c) [ 1774.642243][ T31] r10:61c88647 r9:82e79800 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:82c0be2c [ 1774.642643][ T31] r4:82c0be00 [ 1774.642840][ T31] [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134) [ 1774.644654][ T31] r10:00000000 r9:df819d68 r8:82cc76c0 r7:82c0be00 r6:8026736c r5:82e79800 [ 1774.644960][ T31] r4:82cc7480 [ 1774.645173][ T31] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1774.645543][ T31] Exception stack(0xdf875fb0 to 0xdf875ff8) [ 1774.645960][ T31] 5fa0: 00000000 00000000 00000000 00000000 [ 1774.646494][ T31] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1774.646934][ T31] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1774.647274][ T31] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:82cc7480 [ 1774.647886][ T31] INFO: task kworker/0:3:113 blocked for more than 450 seconds. [ 1774.648222][ T31] Not tainted 6.8.0-rc1-syzkaller #0 [ 1774.648447][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1774.648778][ T31] task:kworker/0:3 state:D stack:0 pid:113 tgid:113 ppid:2 flags:0x00000000 [ 1774.649076][ T31] Workqueue: events bpf_prog_free_deferred [ 1774.649283][ T31] Backtrace: [ 1774.649419][ T31] [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8) [ 1774.649865][ T31] r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:df9a5dac r5:83613000 [ 1774.650257][ T31] r4:83613000 [ 1774.650419][ T31] [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24) [ 1774.650871][ T31] r5:83613000 r4:8270dd74 [ 1774.651116][ T31] [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0) [ 1774.653462][ T31] [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18) [ 1774.655183][ T31] r10:82c16005 r9:df9a5e38 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a9c0 [ 1774.655504][ T31] r4:00000000 [ 1774.655753][ T31] [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40) [ 1774.656197][ T31] [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4) [ 1774.656649][ T31] [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0) [ 1774.656922][ T31] r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a9c0 [ 1774.657252][ T31] r4:00000000 [ 1774.657494][ T31] [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50) [ 1774.657904][ T31] r9:83613000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f0f7000 [ 1774.658384][ T31] [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14) [ 1774.658786][ T31] r5:00001000 r4:e085b000 [ 1774.658964][ T31] [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4) [ 1774.659317][ T31] [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164) [ 1774.662734][ T31] r5:84dd7750 r4:84dd7400 [ 1774.664715][ T31] [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4) [ 1774.665628][ T31] r7:dddd1280 r6:82c16000 r5:84dd7750 r4:83652400 [ 1774.665829][ T31] [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c) [ 1774.666122][ T31] r10:61c88647 r9:83613000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8365242c [ 1774.666393][ T31] r4:83652400 [ 1774.666742][ T31] [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134) [ 1774.667374][ T31] r10:00000000 r9:df991e90 r8:83448400 r7:83652400 r6:8026736c r5:83613000 [ 1774.667872][ T31] r4:83650c80 [ 1774.668022][ T31] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1774.668603][ T31] Exception stack(0xdf9a5fb0 to 0xdf9a5ff8) [ 1774.669315][ T31] 5fa0: 00000000 00000000 00000000 00000000 [ 1774.670221][ T31] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1774.673902][ T31] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1774.675359][ T31] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:83650c80 [ 1774.676292][ T31] INFO: task kworker/1:3:1553 blocked for more than 450 seconds. [ 1774.676630][ T31] Not tainted 6.8.0-rc1-syzkaller #0 [ 1774.676834][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1774.677143][ T31] task:kworker/1:3 state:D stack:0 pid:1553 tgid:1553 ppid:2 flags:0x00000000 [ 1774.677879][ T31] Workqueue: events bpf_prog_free_deferred [ 1774.678205][ T31] Backtrace: [ 1774.678707][ T31] [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8) [ 1774.679054][ T31] r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:eb0a9dac r5:8368a400 [ 1774.679349][ T31] r4:8368a400 [ 1774.679563][ T31] [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24) [ 1774.679867][ T31] r5:8368a400 r4:8270dd74 [ 1774.679996][ T31] [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0) [ 1774.680567][ T31] [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18) [ 1774.680828][ T31] r10:82c16205 r9:eb0a9e38 r8:00000000 r7:ffffffff r6:00000000 r5:84452680 [ 1774.681055][ T31] r4:00000000 [ 1774.681205][ T31] [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40) [ 1774.681511][ T31] [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4) [ 1774.681948][ T31] [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0) [ 1774.682280][ T31] r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84452680 [ 1774.682605][ T31] r4:00000000 [ 1774.682870][ T31] [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50) [ 1774.684114][ T31] r9:8368a400 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f043000 [ 1774.695292][ T31] [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14) [ 1774.695631][ T31] r5:00001000 r4:dfed7000 [ 1774.695761][ T31] [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4) [ 1774.698319][ T31] [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164) [ 1774.703422][ T31] r5:84d90f50 r4:84d90c00 [ 1774.714944][ T31] [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4) [ 1774.719034][ T31] r7:ddde4280 r6:82c16200 r5:84d90f50 r4:83ff6900 [ 1774.723418][ T31] [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c) [ 1774.740828][ T31] r10:61c88647 r9:8368a400 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:83ff692c [ 1774.743078][ T31] r4:83ff6900 [ 1774.757120][ T31] [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134) [ 1774.761873][ T31] r10:00000000 r9:df891e90 r8:83ec5440 r7:83ff6900 r6:8026736c r5:8368a400 [ 1774.777061][ T31] r4:83ff8580 [ 1774.781572][ T31] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1774.794745][ T31] Exception stack(0xeb0a9fb0 to 0xeb0a9ff8) [ 1774.801608][ T31] 9fa0: 00000000 00000000 00000000 00000000 [ 1774.814943][ T31] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1774.817451][ T31] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1774.822088][ T31] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:83ff8580 [ 1774.835576][ T31] INFO: task kworker/1:1:2988 blocked for more than 450 seconds. [ 1774.836078][ T31] Not tainted 6.8.0-rc1-syzkaller #0 [ 1774.836237][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1774.836448][ T31] task:kworker/1:1 state:D stack:0 pid:2988 tgid:2988 ppid:2 flags:0x00000000 [ 1774.836802][ T31] Workqueue: events bpf_prog_free_deferred [ 1774.837015][ T31] Backtrace: [ 1774.837187][ T31] [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8) [ 1774.837538][ T31] r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df959dac r5:82f59800 [ 1774.838003][ T31] r4:82f59800 [ 1774.838202][ T31] [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24) [ 1774.838524][ T31] r5:82f59800 r4:8270dd74 [ 1774.842234][ T31] [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0) [ 1774.860285][ T31] [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18) [ 1774.874884][ T31] r10:82c16205 r9:df959e38 r8:00000000 r7:ffffffff r6:00000000 r5:846d6c80 [ 1774.878892][ T31] r4:00000000 [ 1774.883105][ T31] [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40) [ 1774.885312][ T31] [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4) [ 1774.885670][ T31] [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0) [ 1774.886077][ T31] r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846d6c80 [ 1774.886377][ T31] r4:00000000 [ 1774.886513][ T31] [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50) [ 1774.886953][ T31] r9:82f59800 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0ad000 [ 1774.887294][ T31] [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14) [ 1774.887620][ T31] r5:00001000 r4:dfdc5000 [ 1774.887776][ T31] [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4) [ 1774.888028][ T31] [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164) [ 1774.888508][ T31] r5:84c1eb50 r4:84c1e800 [ 1774.889102][ T31] [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4) [ 1774.889537][ T31] r7:ddde4280 r6:82c16200 r5:84c1eb50 r4:84617d00 [ 1774.889725][ T31] [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c) [ 1774.890130][ T31] r10:61c88647 r9:82f59800 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84617d2c [ 1774.890452][ T31] r4:84617d00 [ 1774.890588][ T31] [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134) [ 1774.891028][ T31] r10:00000000 r9:eb0a9e90 r8:83ec0e80 r7:84617d00 r6:8026736c r5:82f59800 [ 1774.891471][ T31] r4:84628e00 [ 1774.891618][ T31] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1774.891954][ T31] Exception stack(0xdf959fb0 to 0xdf959ff8) [ 1774.892360][ T31] 9fa0: 00000000 00000000 00000000 00000000 [ 1774.892819][ T31] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1774.893033][ T31] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1774.893250][ T31] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:84628e00 [ 1774.893715][ T31] INFO: task kworker/0:0:2993 blocked for more than 450 seconds. [ 1774.893985][ T31] Not tainted 6.8.0-rc1-syzkaller #0 [ 1774.894177][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1774.898906][ T31] task:kworker/0:0 state:D stack:0 pid:2993 tgid:2993 ppid:2 flags:0x00000000 [ 1774.899458][ T31] Workqueue: events bpf_prog_free_deferred [ 1774.899763][ T31] Backtrace: [ 1774.899910][ T31] [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8) [ 1774.900313][ T31] r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:df95ddac r5:82e6d400 [ 1774.900591][ T31] r4:82e6d400 [ 1774.900745][ T31] [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24) [ 1774.901104][ T31] r5:82e6d400 r4:8270dd74 [ 1774.901259][ T31] [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0) [ 1774.904297][ T31] [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18) [ 1774.911027][ T31] r10:82c16005 r9:df95de38 r8:00000000 r7:ffffffff r6:00000000 r5:84c49840 [ 1774.928251][ T31] r4:00000000 [ 1774.932463][ T31] [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40) [ 1774.950317][ T31] [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4) [ 1774.957342][ T31] [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0) [ 1774.957782][ T31] r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c49840 [ 1774.957986][ T31] r4:00000000 [ 1774.958129][ T31] [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50) [ 1774.958548][ T31] r9:82e6d400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f075000 [ 1774.963310][ T31] [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14) [ 1774.979572][ T31] r5:00001000 r4:dfb3b000 [ 1774.984123][ T31] [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4) [ 1774.993094][ T31] [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164) [ 1774.993612][ T31] r5:845deb50 r4:845de800 [ 1774.995463][ T31] [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4) [ 1775.000809][ T31] r7:dddd1280 r6:82c16000 r5:845deb50 r4:83ecd880 [ 1775.015763][ T31] [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c) [ 1775.024279][ T31] r10:61c88647 r9:82e6d400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:83ecd8ac [ 1775.037014][ T31] r4:83ecd880 [ 1775.037182][ T31] [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134) [ 1775.037488][ T31] r10:00000000 r9:df991e90 r8:82cb6640 r7:83ecd880 r6:8026736c r5:82e6d400 [ 1775.037737][ T31] r4:84628f00 [ 1775.037871][ T31] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1775.038158][ T31] Exception stack(0xdf95dfb0 to 0xdf95dff8) [ 1775.038403][ T31] dfa0: 00000000 00000000 00000000 00000000 [ 1775.038686][ T31] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1775.038920][ T31] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1775.039122][ T31] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:84628f00 [ 1775.039375][ T31] INFO: task kworker/0:1:2997 blocked for more than 450 seconds. [ 1775.039602][ T31] Not tainted 6.8.0-rc1-syzkaller #0 [ 1775.039769][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1775.039990][ T31] task:kworker/0:1 state:D stack:0 pid:2997 tgid:2997 ppid:2 flags:0x00000000 [ 1775.040299][ T31] Workqueue: events bpf_prog_free_deferred [ 1775.040522][ T31] Backtrace: [ 1775.041205][ T31] [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8) [ 1775.041482][ T31] r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:df83ddac r5:84282400 [ 1775.041728][ T31] r4:84282400 [ 1775.041859][ T31] [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24) [ 1775.042142][ T31] r5:84282400 r4:8270dd74 [ 1775.042277][ T31] [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0) [ 1775.042626][ T31] [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18) [ 1775.042924][ T31] r10:82c16005 r9:df83de38 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a5c0 [ 1775.043170][ T31] r4:00000000 [ 1775.043288][ T31] [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40) [ 1775.043578][ T31] [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4) [ 1775.043858][ T31] [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0) [ 1775.044134][ T31] r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a5c0 [ 1775.054846][ T31] r4:00000000 [ 1775.055049][ T31] [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50) [ 1775.055400][ T31] r9:84282400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f0ef000 [ 1775.059040][ T31] [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14) [ 1775.059659][ T31] r5:00001000 r4:e0733000 [ 1775.059886][ T31] [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4) [ 1775.060194][ T31] [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164) [ 1775.060540][ T31] r5:84dd6750 r4:84dd6400 [ 1775.060734][ T31] [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4) [ 1775.061144][ T31] r7:dddd1280 r6:82c16000 r5:84dd6750 r4:83ecd780 [ 1775.061359][ T31] [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c) [ 1775.061701][ T31] r10:61c88647 r9:84282400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:83ecd7ac [ 1775.064120][ T31] r4:83ecd780 [ 1775.075112][ T31] [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134) [ 1775.075524][ T31] r10:00000000 r9:df95de90 r8:841dce80 r7:83ecd780 r6:8026736c r5:84282400 [ 1775.077633][ T31] r4:84003bc0 [ 1775.081047][ T31] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1775.099919][ T31] Exception stack(0xdf83dfb0 to 0xdf83dff8) [ 1775.100361][ T31] dfa0: 00000000 00000000 00000000 00000000 [ 1775.100684][ T31] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1775.101033][ T31] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1775.101304][ T31] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:84003bc0 [ 1775.101681][ T31] INFO: task kworker/0:4:2999 blocked for more than 451 seconds. [ 1775.101949][ T31] Not tainted 6.8.0-rc1-syzkaller #0 [ 1775.102135][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1775.108235][ T31] task:kworker/0:4 state:D stack:0 pid:2999 tgid:2999 ppid:2 flags:0x00000000 [ 1775.113724][ T31] Workqueue: events bpf_prog_free_deferred [ 1775.130288][ T31] Backtrace: [ 1775.136760][ T31] [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8) [ 1775.137255][ T31] r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:df97ddac r5:83fb5400 [ 1775.137596][ T31] r4:83fb5400 [ 1775.137721][ T31] [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24) [ 1775.138150][ T31] r5:83fb5400 r4:8270dd74 [ 1775.141365][ T31] [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0) [ 1775.157000][ T31] [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18) [ 1775.184111][ T31] r10:82c16005 r9:df97de38 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a4c0 [ 1775.185285][ T31] r4:00000000 [ 1775.185420][ T31] [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40) [ 1775.185857][ T31] [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4) [ 1775.186229][ T31] [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0) [ 1775.186586][ T31] r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a4c0 [ 1775.187239][ T31] r4:00000000 [ 1775.187451][ T31] [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50) [ 1775.188102][ T31] r9:83fb5400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f0ed000 [ 1775.188464][ T31] [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14) [ 1775.188853][ T31] r5:00001000 r4:e0705000 [ 1775.189067][ T31] [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4) [ 1775.189695][ T31] [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164) [ 1775.189965][ T31] r5:84dd6350 r4:84dd6000 [ 1775.190094][ T31] [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4) [ 1775.190389][ T31] r7:dddd1280 r6:82c16000 r5:84dd6350 r4:83ecd800 [ 1775.190566][ T31] [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c) [ 1775.190841][ T31] r10:61c88647 r9:83fb5400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:83ecd82c [ 1775.191049][ T31] r4:83ecd800 [ 1775.191172][ T31] [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134) [ 1775.191423][ T31] r10:00000000 r9:df83de90 r8:841b78c0 r7:83ecd800 r6:8026736c r5:83fb5400 [ 1775.191625][ T31] r4:841e1d40 [ 1775.191761][ T31] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1775.191994][ T31] Exception stack(0xdf97dfb0 to 0xdf97dff8) [ 1775.192181][ T31] dfa0: 00000000 00000000 00000000 00000000 [ 1775.192503][ T31] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1775.192723][ T31] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1775.192933][ T31] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:841e1d40 [ 1775.193179][ T31] INFO: task kworker/1:2:3002 blocked for more than 451 seconds. [ 1775.193384][ T31] Not tainted 6.8.0-rc1-syzkaller #0 [ 1775.193556][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1775.193798][ T31] task:kworker/1:2 state:D stack:0 pid:3002 tgid:3002 ppid:2 flags:0x00000000 [ 1775.194080][ T31] Workqueue: events bpf_prog_free_deferred [ 1775.214930][ T31] Backtrace: [ 1775.215272][ T31] [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8) [ 1775.215567][ T31] r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df9a9dac r5:83fb6000 [ 1775.215785][ T31] r4:83fb6000 [ 1775.215958][ T31] [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24) [ 1775.216217][ T31] r5:83fb6000 r4:8270dd74 [ 1775.216361][ T31] [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0) [ 1775.216629][ T31] [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18) [ 1775.216912][ T31] r10:82c16205 r9:df9a9e38 r8:00000000 r7:ffffffff r6:00000000 r5:84e53200 [ 1775.217114][ T31] r4:00000000 [ 1775.217238][ T31] [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40) [ 1775.217483][ T31] [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4) [ 1775.217728][ T31] [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0) [ 1775.217986][ T31] r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e53200 [ 1775.218190][ T31] r4:00000000 [ 1775.218351][ T31] [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50) [ 1775.218600][ T31] r9:83fb6000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0bb000 [ 1775.218821][ T31] [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14) [ 1775.219068][ T31] r5:00001000 r4:eabc7000 [ 1775.219210][ T31] [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4) [ 1775.219445][ T31] [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164) [ 1775.219699][ T31] r5:84dabf50 r4:84dabc00 [ 1775.219845][ T31] [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4) [ 1775.220117][ T31] r7:ddde4280 r6:82c16200 r5:84dabf50 r4:84617e80 [ 1775.220290][ T31] [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c) [ 1775.220554][ T31] r10:61c88647 r9:83fb6000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84617eac [ 1775.220766][ T31] r4:84617e80 [ 1775.220890][ T31] [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134) [ 1775.221141][ T31] r10:00000000 r9:eb0a9e90 r8:8460d500 r7:84617e80 r6:8026736c r5:83fb6000 [ 1775.221346][ T31] r4:84624400 [ 1775.221474][ T31] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1775.221700][ T31] Exception stack(0xdf9a9fb0 to 0xdf9a9ff8) [ 1775.221890][ T31] 9fa0: 00000000 00000000 00000000 00000000 [ 1775.222116][ T31] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1775.222376][ T31] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1775.222581][ T31] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:84624400 [ 1775.222821][ T31] INFO: task kworker/1:4:3003 blocked for more than 451 seconds. [ 1775.223026][ T31] Not tainted 6.8.0-rc1-syzkaller #0 [ 1775.223197][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1775.223402][ T31] task:kworker/1:4 state:D stack:0 pid:3003 tgid:3003 ppid:2 flags:0x00000000 [ 1775.223688][ T31] Workqueue: events bpf_prog_free_deferred [ 1775.223882][ T31] Backtrace: [ 1775.224022][ T31] [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8) [ 1775.234869][ T31] r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df9addac r5:83fb0c00 [ 1775.237707][ T31] r4:83fb0c00 [ 1775.238902][ T31] [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24) [ 1775.241814][ T31] r5:83fb0c00 r4:8270dd74 [ 1775.243277][ T31] [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0) [ 1775.251167][ T31] [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18) [ 1775.264039][ T31] r10:82c16205 r9:df9ade38 r8:00000000 r7:ffffffff r6:00000000 r5:84e96f00 [ 1775.264829][ T31] r4:00000000 [ 1775.264950][ T31] [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40) [ 1775.265902][ T31] [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4) [ 1775.266146][ T31] [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0) [ 1775.266429][ T31] r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e96f00 [ 1775.266661][ T31] r4:00000000 [ 1775.266803][ T31] [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50) [ 1775.267341][ T31] r9:83fb0c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f00b000 [ 1775.267946][ T31] [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14) [ 1775.268226][ T31] r5:00001000 r4:eaf89000 [ 1775.268400][ T31] [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4) [ 1775.268709][ T31] [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164) [ 1775.269372][ T31] r5:84de8f50 r4:84de8c00 [ 1775.269768][ T31] [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4) [ 1775.269997][ T31] r7:ddde4280 r6:82c16200 r5:84de8f50 r4:84617f00 [ 1775.272261][ T31] [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c) [ 1775.284672][ T31] r10:61c88647 r9:83fb0c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84617f2c [ 1775.284970][ T31] r4:84617f00 [ 1775.285142][ T31] [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134) [ 1775.285950][ T31] r10:00000000 r9:df9a9e90 r8:8460df00 r7:84617f00 r6:8026736c r5:83fb0c00 [ 1775.286397][ T31] r4:84624400 [ 1775.286556][ T31] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1775.286850][ T31] Exception stack(0xdf9adfb0 to 0xdf9adff8) [ 1775.287057][ T31] dfa0: 00000000 00000000 00000000 00000000 [ 1775.288412][ T31] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1775.291213][ T31] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1775.293538][ T31] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:84624400 [ 1775.303302][ T31] INFO: task kworker/1:5:3005 blocked for more than 451 seconds. [ 1775.304100][ T31] Not tainted 6.8.0-rc1-syzkaller #0 [ 1775.304412][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1775.304590][ T31] task:kworker/1:5 state:D stack:0 pid:3005 tgid:3005 ppid:2 flags:0x00000000 [ 1775.305341][ T31] Workqueue: events bpf_prog_free_deferred [ 1775.306399][ T31] Backtrace: [ 1775.307057][ T31] [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8) [ 1775.308325][ T31] r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df9b1dac r5:83fb6c00 [ 1775.309120][ T31] r4:83fb6c00 [ 1775.309828][ T31] [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24) [ 1775.310875][ T31] r5:83fb6c00 r4:8270dd74 [ 1775.311059][ T31] [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0) [ 1775.311840][ T31] [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18) [ 1775.312293][ T31] r10:82c16205 r9:df9b1e38 r8:00000000 r7:ffffffff r6:00000000 r5:84e53340 [ 1775.312536][ T31] r4:00000000 [ 1775.312642][ T31] [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40) [ 1775.312920][ T31] [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4) [ 1775.313218][ T31] [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0) [ 1775.313934][ T31] r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e53340 [ 1775.324719][ T31] r4:00000000 [ 1775.324989][ T31] [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50) [ 1775.325347][ T31] r9:83fb6c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0bd000 [ 1775.325824][ T31] [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14) [ 1775.326148][ T31] r5:00001000 r4:eabcf000 [ 1775.326410][ T31] [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4) [ 1775.326798][ T31] [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164) [ 1775.327229][ T31] r5:84db0350 r4:84db0000 [ 1775.330274][ T31] [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4) [ 1775.346619][ T31] r7:ddde4280 r6:82c16200 r5:84db0350 r4:84617f80 [ 1775.346858][ T31] [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c) [ 1775.347305][ T31] r10:61c88647 r9:83fb6c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84617fac [ 1775.347607][ T31] r4:84617f80 [ 1775.347726][ T31] [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134) [ 1775.351990][ T31] r10:00000000 r9:df9a9e90 r8:84431040 r7:84617f80 r6:8026736c r5:83fb6c00 [ 1775.354028][ T31] r4:84003bc0 [ 1775.355917][ T31] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1775.357206][ T31] Exception stack(0xdf9b1fb0 to 0xdf9b1ff8) [ 1775.358222][ T31] 1fa0: 00000000 00000000 00000000 00000000 [ 1775.359627][ T31] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1775.360968][ T31] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1775.362252][ T31] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:84003bc0 [ 1775.363385][ T31] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1775.377920][ T31] NMI backtrace for cpu 0 [ 1775.384479][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted 6.8.0-rc1-syzkaller #0 [ 1775.385136][ T31] Hardware name: ARM-Versatile Express [ 1775.392012][ T31] Backtrace: [ 1775.394165][ T31] [<818365ac>] (dump_backtrace) from [<818366a8>] (show_stack+0x18/0x1c) [ 1775.394627][ T31] r7:00000000 r6:00000013 r5:60000093 r4:81fbd200 [ 1775.394874][ T31] [<81836690>] (show_stack) from [<81853b9c>] (dump_stack_lvl+0x48/0x54) [ 1775.397569][ T31] [<81853b54>] (dump_stack_lvl) from [<81853bc0>] (dump_stack+0x18/0x1c) [ 1775.404318][ T31] r5:00000000 r4:00000001 [ 1775.407663][ T31] [<81853ba8>] (dump_stack) from [<818239d8>] (nmi_cpu_backtrace+0x160/0x17c) [ 1775.414430][ T31] [<81823878>] (nmi_cpu_backtrace) from [<81823b24>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8) [ 1775.420551][ T31] r7:00000000 r6:8260c494 r5:8261a7d8 r4:ffffffff [ 1775.424346][ T31] [<818239f4>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c) [ 1775.431034][ T31] r9:827d8cdf r8:82894eb8 r7:8260c5ec r6:00007d6b r5:8261adc8 r4:84df542c [ 1775.434703][ T31] [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e2c>] (watchdog+0x48c/0x59c) [ 1775.442552][ T31] [<803479a0>] (watchdog) from [<8026e888>] (kthread+0x104/0x134) [ 1775.444700][ T31] r10:00000000 r9:df819e58 r8:82cce580 r7:00000000 r6:803479a0 r5:82e7e000 [ 1775.445316][ T31] r4:82fa3980 [ 1775.447321][ T31] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1775.450487][ T31] Exception stack(0xdf8ddfb0 to 0xdf8ddff8) [ 1775.453117][ T31] dfa0: 00000000 00000000 00000000 00000000 [ 1775.454696][ T31] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1775.454976][ T31] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1775.457438][ T31] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:82fa3980 [ 1775.464725][ T31] Sending NMI from CPU 0 to CPUs 1: [ 1775.470353][ C1] NMI backtrace for cpu 1 [ 1775.470535][ C1] CPU: 1 PID: 3399 Comm: kworker/1:172 Not tainted 6.8.0-rc1-syzkaller #0 [ 1775.470569][ C1] Hardware name: ARM-Versatile Express [ 1775.470585][ C1] Workqueue: events bpf_prog_free_deferred [ 1775.470641][ C1] PC is at v7wbi_flush_kern_tlb_range+0x18/0x4c [ 1775.470670][ C1] LR is at flush_tlb_kernel_range+0x64/0xb8 [ 1775.470696][ C1] pc : [<8021b36c>] lr : [<80210b30>] psr: 80000013 [ 1775.470734][ C1] sp : dfc5dd58 ip : dfc5dd88 fp : dfc5dd84 [ 1775.470778][ C1] r10: 00000000 r9 : 8270dd58 r8 : 8289fc68 [ 1775.470813][ C1] r7 : 00000000 r6 : 7f753000 r5 : 8466ec00 r4 : 7f753000 [ 1775.470834][ C1] r3 : 8021b354 r2 : 00000001 r1 : dfb1f000 r0 : a905b000 [ 1775.470908][ C1] Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 1775.470942][ C1] Control: 30c5387d Table: 843cd640 DAC: 00000000 [ 1775.470971][ C1] Backtrace: [ 1775.470984][ C1] [<80210acc>] (flush_tlb_kernel_range) from [<8048d6f0>] (__purge_vmap_area_lazy+0xc4/0x850) [ 1775.471018][ C1] r4:dfb1f000 [ 1775.471025][ C1] [<8048d62c>] (__purge_vmap_area_lazy) from [<8048e104>] (_vm_unmap_aliases+0x288/0x2e4) [ 1775.471056][ C1] r10:00000000 r9:dfc5de38 r8:00000000 r7:dfc5ddf0 r6:00000008 r5:ddde2340 [ 1775.471064][ C1] r4:dfc5ddf0 [ 1775.471070][ C1] [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0) [ 1775.471100][ C1] r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8500b380 [ 1775.471108][ C1] r4:00000000 [ 1775.471114][ C1] [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50) [ 1775.471146][ C1] r9:8466ec00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f753000 [ 1775.471153][ C1] [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14) [ 1775.471177][ C1] r5:00001000 r4:ec989000 [ 1775.471182][ C1] [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4) [ 1775.471203][ C1] [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164) [ 1775.471227][ C1] r5:84f4cb50 r4:84f4c800 [ 1775.471240][ C1] [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4) [ 1775.471272][ C1] r7:ddde4280 r6:82c16200 r5:84f4cb50 r4:847e7a00 [ 1775.471278][ C1] [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c) [ 1775.471313][ C1] r10:61c88647 r9:8466ec00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:847e7a2c [ 1775.471321][ C1] r4:847e7a00 [ 1775.471326][ C1] [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134) [ 1775.471361][ C1] r10:00000000 r9:e0741e90 r8:84c40980 r7:847e7a00 r6:8026736c r5:8466ec00 [ 1775.471368][ C1] r4:84c40880 [ 1775.471373][ C1] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1775.471396][ C1] Exception stack(0xdfc5dfb0 to 0xdfc5dff8) [ 1775.471412][ C1] dfa0: 00000000 00000000 00000000 00000000 [ 1775.471428][ C1] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1775.471442][ C1] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1775.471460][ C1] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:84c40880 [ 1775.528032][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 1775.531449][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted 6.8.0-rc1-syzkaller #0 [ 1775.533985][ T31] Hardware name: ARM-Versatile Express [ 1775.534696][ T31] Backtrace: [ 1775.534832][ T31] [<818365ac>] (dump_backtrace) from [<818366a8>] (show_stack+0x18/0x1c) [ 1775.536645][ T31] r7:00000000 r6:82622dc4 r5:60000193 r4:81fbd200 [ 1775.539138][ T31] [<81836690>] (show_stack) from [<81853b9c>] (dump_stack_lvl+0x48/0x54) [ 1775.543377][ T31] [<81853b54>] (dump_stack_lvl) from [<81853bc0>] (dump_stack+0x18/0x1c) [ 1775.544668][ T31] r5:00000000 r4:8284fd18 [ 1775.544768][ T31] [<81853ba8>] (dump_stack) from [<81837150>] (panic+0x120/0x378) [ 1775.547713][ T31] [<81837030>] (panic) from [<80347cb8>] (watchdog+0x318/0x59c) [ 1775.551035][ T31] r3:00000000 r2:00000000 r1:00000001 r0:81fbdcbc [ 1775.553400][ T31] r7:8260c5ec [ 1775.554541][ T31] [<803479a0>] (watchdog) from [<8026e888>] (kthread+0x104/0x134) [ 1775.555192][ T31] r10:00000000 r9:df819e58 r8:82cce580 r7:00000000 r6:803479a0 r5:82e7e000 [ 1775.558580][ T31] r4:82fa3980 [ 1775.561095][ T31] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1775.564530][ T31] Exception stack(0xdf8ddfb0 to 0xdf8ddff8) [ 1775.564703][ T31] dfa0: 00000000 00000000 00000000 00000000 [ 1775.565145][ T31] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1775.565680][ T31] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1775.568805][ T31] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:82fa3980 [ 1775.573143][ C1] CPU1: stopping [ 1775.573216][ C1] CPU: 1 PID: 3399 Comm: kworker/1:172 Not tainted 6.8.0-rc1-syzkaller #0 [ 1775.573262][ C1] Hardware name: ARM-Versatile Express [ 1775.573290][ C1] Workqueue: events bpf_prog_free_deferred [ 1775.573365][ C1] Backtrace: frame pointer underflow [ 1775.573423][ C1] [<818365ac>] (dump_backtrace) from [<818366a8>] (show_stack+0x18/0x1c) [ 1775.573501][ C1] r7:00000014 r6:81b0f95c r5:600001d3 r4:81fbd200 [ 1775.573515][ C1] [<81836690>] (show_stack) from [<81853b9c>] (dump_stack_lvl+0x48/0x54) [ 1775.573566][ C1] [<81853b54>] (dump_stack_lvl) from [<81853bc0>] (dump_stack+0x18/0x1c) [ 1775.573619][ C1] r5:00000001 r4:00000004 [ 1775.573629][ C1] [<81853ba8>] (dump_stack) from [<8020fb78>] (do_handle_IPI+0x2ac/0x2d8) [ 1775.573679][ C1] [<8020f8cc>] (do_handle_IPI) from [<8020fbc4>] (ipi_handler+0x20/0x28) [ 1775.573745][ C1] r9:8466ec00 r8:df805f78 r7:00000014 r6:81b0f95c r5:82c0cc80 r4:82c96d00 [ 1775.573759][ C1] [<8020fba4>] (ipi_handler) from [<802c5004>] (handle_percpu_devid_irq+0x9c/0x2cc) [ 1775.573836][ C1] [<802c4f68>] (handle_percpu_devid_irq) from [<802be790>] (generic_handle_domain_irq+0x30/0x40) [ 1775.573906][ C1] r10:00000000 r9:8466ec00 r8:00000000 r7:df80a00c r6:824b0bc0 r5:df80a000 [ 1775.573935][ C1] r4:8260cd28 r3:00010000 [ 1775.573954][ C1] [<802be760>] (generic_handle_domain_irq) from [<802011c4>] (gic_handle_irq+0x68/0x7c) [ 1775.574002][ C1] [<8020115c>] (gic_handle_irq) from [<81854460>] (generic_handle_arch_irq+0x60/0x80) [ 1775.574064][ C1] r7:dfc5dd08 r6:8213c638 r5:821781bc r4:824b2224 [ 1775.574075][ C1] [<81854400>] (generic_handle_arch_irq) from [<81806680>] (call_with_stack+0x1c/0x20) [ 1775.574127][ C1] r9:8466ec00 r8:8289fc68 r7:dfc5dd3c r6:ffffffff r5:80000013 r4:8021b36c [ 1775.574138][ C1] [<81806664>] (call_with_stack) from [<80200b84>] (__irq_svc+0x84/0xac) [ 1775.574175][ C1] Exception stack(0xdfc5dd08 to 0xdfc5dd50) [ 1775.574250][ C1] dd00: ab237000 dfb1f000 00000001 8021b354 7f753000 8466ec00 [ 1775.574284][ C1] dd20: 7f753000 00000000 8289fc68 8270dd58 00000000 dfc5dd84 dfc5dd88 dfc5dd58 [ 1775.574302][ C1] dd40: 80210b30 8021b36c 80000013 ffffffff [ 1775.574316][ C1] [<80210acc>] (flush_tlb_kernel_range) from [<8048d6f0>] (__purge_vmap_area_lazy+0xc4/0x850) [ 1775.574400][ C1] r4:dfb1f000 [ 1775.574420][ C1] [<8048d62c>] (__purge_vmap_area_lazy) from [<8048e104>] (_vm_unmap_aliases+0x288/0x2e4) [ 1775.574473][ C1] r10:00000000 r9:dfc5de38 r8:00000000 r7:dfc5ddf0 r6:00000008 r5:ddde2340 [ 1775.574487][ C1] r4:dfc5ddf0 [ 1775.574500][ C1] [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0) [ 1775.574550][ C1] r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8500b380 [ 1775.574565][ C1] r4:00000000 [ 1775.574574][ C1] [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50) [ 1775.574628][ C1] r9:8466ec00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f753000 [ 1775.574642][ C1] [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14) [ 1775.574688][ C1] r5:00001000 r4:ec989000 [ 1775.574698][ C1] [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4) [ 1775.574743][ C1] [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164) [ 1775.574786][ C1] r5:84f4cb50 r4:84f4c800 [ 1775.574796][ C1] [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4) [ 1775.574847][ C1] r7:ddde4280 r6:82c16200 r5:84f4cb50 r4:847e7a00 [ 1775.574857][ C1] [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c) [ 1775.574912][ C1] r10:61c88647 r9:8466ec00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:847e7a2c [ 1775.574939][ C1] r4:847e7a00 [ 1775.574951][ C1] [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134) [ 1775.575007][ C1] r10:00000000 r9:e0741e90 r8:84c40980 r7:847e7a00 r6:8026736c r5:8466ec00 [ 1775.575022][ C1] r4:84c40880 [ 1775.575033][ C1] [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30) [ 1775.575069][ C1] Exception stack(0xdfc5dfb0 to 0xdfc5dff8) [ 1775.575091][ C1] dfa0: 00000000 00000000 00000000 00000000 [ 1775.575114][ C1] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1775.575137][ C1] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1775.575163][ C1] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:84c40880 [ 1775.584607][ T31] Rebooting in 86400 seconds.. VM DIAGNOSIS: 11:46:15 Registers: info registers vcpu 0 CPU#0 R00=8422cc40 R01=00000020 R02=ebd5f000 R03=ebd5f018 R04=828521c4 R05=8422cc40 R06=809787ac R07=828521eb R08=828521ac R09=00000040 R10=60000013 R11=df8ddd84 R12=00000002 R13=df8ddd78 R14=82749388 R15=809787bc PSR=80000093 N--- A S svc32 s00=00000000 s01=00000000 d00=0000000000000000 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=00000000 s15=00000000 d07=0000000000000000 s16=004d27e9 s17=00000000 d08=00000000004d27e9 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=8b63dd32 s33=520a2334 d16=520a23348b63dd32 s34=dacacafc s35=94e8ac97 d17=94e8ac97dacacafc s36=60dcfba1 s37=87f1a114 d18=87f1a11460dcfba1 s38=613a854b s39=ec251785 d19=ec251785613a854b s40=9538e6ea s41=35ed1794 d20=35ed17949538e6ea s42=bd234514 s43=099ea70b d21=099ea70bbd234514 s44=4eb18b5c s45=9a03e54f d22=9a03e54f4eb18b5c s46=aec53f74 s47=39b1a740 d23=39b1a740aec53f74 s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=5e43d1bb s53=b716fd61 d26=b716fd615e43d1bb s54=0b9270b8 s55=99f61d1f d27=99f61d1f0b9270b8 s56=0a0d51e3 s57=c8e64fe2 d28=c8e64fe20a0d51e3 s58=0ef66732 s59=0c98f770 d29=0c98f7700ef66732 s60=ac7d73fe s61=479d34fd d30=479d34fdac7d73fe s62=00000069 s63=00000068 d31=0000006800000069 FPSCR: 00000000 info registers vcpu 1 CPU#1 R00=82c9d518 R01=ddde7b40 R02=0008fd9e R03=df80a000 R04=82c9d518 R05=0000001b R06=81b0f95c R07=0000001c R08=00000001 R09=8466ec00 R10=00000000 R11=df805f74 R12=df805f78 R13=df805f60 R14=802c5020 R15=8088feb0 PSR=20000193 --C- A S svc32 s00=c0000000 s01=404f93f7 d00=404f93f7c0000000 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=ffffffff s13=7fefffff d06=7fefffffffffffff s14=c0000000 s15=404f93f7 d07=404f93f7c0000000 s16=00000003 s17=7e920af0 d08=7e920af000000003 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