Extracting prog: 6m36.308929459s Minimizing prog: 1h18m6.642718687s Simplifying prog options: 0s Extracting C: 9m43.459378034s Simplifying C: 1h5m5.109939122s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 45s testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000002c0)={0x18, 0x5, &(0x7f0000000480)=ANY=[@ANYBLOB="1801000021000000000000003b810000850000006d000000850000005000000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x44, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={&(0x7f0000000080)='kfree\x00', r0}, 0x18) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 16m0s testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000002c0)={0x18, 0x5, &(0x7f0000000480)=ANY=[@ANYBLOB="1801000021000000000000003b810000850000006d000000850000005000000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x44, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={&(0x7f0000000080)='kfree\x00', r0}, 0x18) program crashed: lost connection to test machine single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000002c0)={0x18, 0x5, &(0x7f0000000480)=ANY=[@ANYBLOB="1801000021000000000000003b810000850000006d000000850000005000000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x44, '\x00', 0x0, 0x2}, 0x94) program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000002c0)={0x18, 0x5, 0x0, &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x44, '\x00', 0x0, 0x2}, 0x94) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000002c0)={0x18, 0x5, &(0x7f0000000480)=ANY=[@ANYBLOB], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x44, '\x00', 0x0, 0x2}, 0x94) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000002c0)={0x18, 0x5, &(0x7f0000000480)=ANY=[@ANYBLOB="1801000021000000000000003b810000850000006d000000850000005000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x44, '\x00', 0x0, 0x2}, 0x94) program did not crash extracting C reproducer testing compiled C program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases simplifying C reproducer testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000002c0)={0x18, 0x5, &(0x7f0000000480)=ANY=[@ANYBLOB="1801000021000000000000003b810000850000006d000000850000005000000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x44, '\x00', 0x0, 0x2}, 0x94) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000002c0)={0x18, 0x5, &(0x7f0000000480)=ANY=[@ANYBLOB="1801000021000000000000003b810000850000006d000000850000005000000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x44, '\x00', 0x0, 0x2}, 0x94) program did not crash validation run: crashed=false testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000002c0)={0x18, 0x5, &(0x7f0000000480)=ANY=[@ANYBLOB="1801000021000000000000003b810000850000006d000000850000005000000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x44, '\x00', 0x0, 0x2}, 0x94) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000002c0)={0x18, 0x5, &(0x7f0000000480)=ANY=[@ANYBLOB="1801000021000000000000003b810000850000006d000000850000005000000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x44, '\x00', 0x0, 0x2}, 0x94) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true reproducing took 3h38m25.023227247s repro crashed as (corrupted=false): INFO: task kworker/1:10:4153 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:10 state:D stack:0 pid:4153 tgid:4153 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb09d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfb09d8c r5:8382c800 r4:8382c800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8382c800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb09e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856475c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8382c800 r7:00000000 r6:83018600 r5:00001000 r4:7f02f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfbd5000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85428f8c r4:8567ca00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85428f8c r4:8567ca00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8382c800 r8:8567ca2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8567ca00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8567ca00 r8:80278fec r7:ea421e60 r6:8567c980 r5:8382c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb09fb0 to 0xdfb09ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84e86840 INFO: task kworker/1:10:4153 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000002 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d735d000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/0:23:4154 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:23 state:D stack:0 pid:4154 tgid:4154 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb95d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb95d8c r5:8382d400 r4:8382d400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8382d400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb95e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856706c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8382d400 r7:00000000 r6:83018400 r5:00001000 r4:7f035000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfcc5000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c0b8c r4:84e25980 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c0b8c r4:84e25980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8382d400 r8:84e259ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84e25980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e25980 r8:80278fec r7:dfaf9e60 r6:8567c480 r5:8382d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb95fb0 to 0xdfb95ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:855f2a80 INFO: task kworker/0:23:4154 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d7450000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:11:4158 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:11 state:D stack:0 pid:4158 tgid:4158 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb65d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb65d8c r5:83a84800 r4:83a84800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83a84800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb65e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8566c2c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83a84800 r7:00000000 r6:83018600 r5:00001000 r4:7f00d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa9b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85769f8c r4:8567cf80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85769f8c r4:8567cf80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83a84800 r8:8567cfac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8567cf80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8567cf80 r8:80278fec r7:ea421e60 r6:8567c300 r5:83a84800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb65fb0 to 0xdfb65ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854e9e40 INFO: task kworker/1:11:4158 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d7923000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:12:4162 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:12 state:D stack:0 pid:4162 tgid:4162 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfcc1d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfcc1d8c r5:83a86000 r4:83a86000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83a86000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcc1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8566c600 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83a86000 r7:00000000 r6:83018600 r5:00001000 r4:7f00b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa31000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8576978c r4:8567c580 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8576978c r4:8567c580 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83a86000 r8:8567c5ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8567c580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8567c580 r8:80278fec r7:ea421e60 r6:8567c800 r5:83a86000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfcc1fb0 to 0xdfcc1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85694f40 INFO: task kworker/1:12:4162 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8039000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/0:109:4766 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:109 state:D stack:0 pid:4766 tgid:4766 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea835d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea835d8c r5:857fe000 r4:857fe000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857fe000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea835e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8569b900 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857fe000 r7:00000000 r6:83018400 r5:00001000 r4:7f033000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfc75000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c178c r4:85721880 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c178c r4:85721880 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857fe000 r8:857218ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85721880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85721880 r8:80278fec r7:ea831e60 r6:85721600 r5:857fe000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea835fb0 to 0xea835ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858159c0 INFO: task kworker/0:109:4766 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8039000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:213:4779 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:213 state:D stack:0 pid:4779 tgid:4779 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea705d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea705d8c r5:8553bc00 r4:8553bc00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8553bc00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea705e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85630e80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8553bc00 r7:00000000 r6:83018600 r5:00001000 r4:7f04f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea453000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8577df8c r4:85811180 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8577df8c r4:85811180 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8553bc00 r8:858111ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811180 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811180 r8:80278fec r7:ea761e60 r6:85811200 r5:8553bc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea705fb0 to 0xea705ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:857d4380 INFO: task kworker/1:213:4779 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8246000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:215:4785 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:215 state:D stack:0 pid:4785 tgid:4785 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7d1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea7d1d8c r5:8553d400 r4:8553d400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8553d400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7d1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d4880 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8553d400 r7:00000000 r6:83018600 r5:00001000 r4:7f031000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfc15000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8577fb8c r4:85811500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8577fb8c r4:85811500 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8553d400 r8:8581152c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811500 r8:80278fec r7:ea705e60 r6:85811600 r5:8553d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7d1fb0 to 0xea7d1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85723b40 INFO: task kworker/1:215:4785 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8246000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/0:110:4786 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:110 state:D stack:0 pid:4786 tgid:4786 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7e5d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea7e5d8c r5:8553ec00 r4:8553ec00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8553ec00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7e5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85670d00 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8553ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f039000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e006b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c138c r4:85813380 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c138c r4:85813380 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8553ec00 r8:858133ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85813380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85813380 r8:80278fec r7:ea835e60 r6:85811700 r5:8553ec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7e5fb0 to 0xea7e5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85815300 INFO: task kworker/0:110:4786 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d852c000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:216:4788 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:216 state:D stack:0 pid:4788 tgid:4788 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea785d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea785d8c r5:8553e000 r4:8553e000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8553e000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea785e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85647900 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8553e000 r7:00000000 r6:83018600 r5:00001000 r4:7f037000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0025000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8577e38c r4:85811800 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8577e38c r4:85811800 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8553e000 r8:8581182c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811800 r8:80278fec r7:ea705e60 r6:85811880 r5:8553e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea785fb0 to 0xea785ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85723e00 INFO: task kworker/1:216:4788 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d852c000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/0:111:4790 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:111 state:D stack:0 pid:4790 tgid:4790 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7e9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea7e9d8c r5:8553a400 r4:8553a400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8553a400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7e9e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85670900 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8553a400 r7:00000000 r6:83018400 r5:00001000 r4:7f03f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0173000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c1f8c r4:85813680 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c1f8c r4:85813680 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8553a400 r8:858136ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85813680 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85813680 r8:80278fec r7:ea835e60 r6:85811980 r5:8553a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7e9fb0 to 0xea7e9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8570a3c0 INFO: task kworker/0:111:4790 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8884000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:217:4792 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:217 state:D stack:0 pid:4792 tgid:4792 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7edd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea7edd8c r5:8553b000 r4:8553b000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8553b000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7ede08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85630c00 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8553b000 r7:00000000 r6:83018600 r5:00001000 r4:7f02d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb85000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8542b38c r4:85811b00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8542b38c r4:85811b00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8553b000 r8:85811b2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811b00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811b00 r8:80278fec r7:ea705e60 r6:85811b80 r5:8553b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7edfb0 to 0xea7edff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85723680 INFO: task kworker/1:217:4792 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8b9b000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:113:4796 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:113 state:D stack:0 pid:4796 tgid:4796 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7f1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea7f1d8c r5:857f3000 r4:857f3000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f3000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7f1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8570dc80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857f3000 r7:00000000 r6:83018400 r5:00001000 r4:7f041000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfaeb000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c078c r4:85813900 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c078c r4:85813900 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f3000 r8:8581392c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85813900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85813900 r8:80278fec r7:ea7e9e60 r6:85813980 r5:857f3000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7f1fb0 to 0xea7f1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:855f2b80 INFO: task kworker/0:113:4796 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8c88000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:114:4798 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:114 state:D stack:0 pid:4798 tgid:4798 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea809d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea809d8c r5:857f3c00 r4:857f3c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f3c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea809e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8569d300 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857f3c00 r7:00000000 r6:83018400 r5:00001000 r4:7f02d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb77000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c3f8c r4:85813a80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c3f8c r4:85813a80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f3c00 r8:85813aac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85813a80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85813a80 r8:80278fec r7:ea7e9e60 r6:85813b00 r5:857f3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea809fb0 to 0xea809ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8571a2c0 INFO: task kworker/0:114:4798 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8c88000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:115:4799 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:115 state:D stack:0 pid:4799 tgid:4799 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea80dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea80dd8c r5:857f4800 r4:857f4800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f4800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea80de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85670200 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857f4800 r7:00000000 r6:83018400 r5:00001000 r4:7f037000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e001b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c278c r4:85813c00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c278c r4:85813c00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f4800 r8:85813c2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85813c00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85813c00 r8:80278fec r7:ea7e9e60 r6:85813c80 r5:857f4800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea80dfb0 to 0xea80dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85815900 INFO: task kworker/0:115:4799 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8fb7000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:218:4804 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:218 state:D stack:0 pid:4804 tgid:4804 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea841d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea841d8c r5:857f6000 r4:857f6000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f6000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea841e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571a5c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:857f6000 r7:00000000 r6:83018600 r5:00001000 r4:7f02b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb2d000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8577e78c r4:85811c80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8577e78c r4:85811c80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f6000 r8:85811cac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811c80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811c80 r8:80278fec r7:ea7ede60 r6:85813e80 r5:857f6000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea841fb0 to 0xea841ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85715c00 INFO: task kworker/1:218:4804 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d91b8000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:219:4805 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:219 state:D stack:0 pid:4805 tgid:4805 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea811d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea811d8c r5:85539800 r4:85539800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85539800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea811e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c53300 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85539800 r7:00000000 r6:83018600 r5:00001000 r4:7f045000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0223000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85724b8c r4:85811d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85724b8c r4:85811d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85539800 r8:85811d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811d00 r8:80278fec r7:ea7ede60 r6:85811d80 r5:85539800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea811fb0 to 0xea811ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8571b180 INFO: task kworker/1:219:4805 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d91b8000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:220:4809 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:220 state:D stack:0 pid:4809 tgid:4809 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea845d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea845d8c r5:857f6c00 r4:857f6c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f6c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea845e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85630700 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:857f6c00 r7:00000000 r6:83018600 r5:00001000 r4:7f04b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e8351000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8542bb8c r4:85811f00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8542bb8c r4:85811f00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f6c00 r8:85811f2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811f00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811f00 r8:80278fec r7:ea7ede60 r6:85813600 r5:857f6c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea845fb0 to 0xea845ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:857d4bc0 INFO: task kworker/1:220:4809 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d955d000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:221:4811 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:221 state:D stack:0 pid:4811 tgid:4811 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea775d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea775d8c r5:85538000 r4:85538000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85538000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea775e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85630440 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85538000 r7:00000000 r6:83018600 r5:00001000 r4:7f04d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea3cb000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8577cf8c r4:85811f80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8577cf8c r4:85811f80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85538000 r8:85811fac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811f80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811f80 r8:80278fec r7:ea845e60 r6:85811e80 r5:85538000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea775fb0 to 0xea775ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85723540 INFO: task kworker/1:221:4811 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d9c27000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:222:4814 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:222 state:D stack:0 pid:4814 tgid:4814 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea851d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea851d8c r5:85530000 r4:85530000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85530000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea851e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c6dac0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85530000 r7:00000000 r6:83018600 r5:00001000 r4:7f049000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e42e9000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8542a78c r4:8581f180 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8542a78c r4:8581f180 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85530000 r8:8581f1ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581f180 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581f180 r8:80278fec r7:ea845e60 r6:8581f280 r5:85530000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea851fb0 to 0xea851ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85715680 INFO: task kworker/1:222:4814 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d9c27000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:223:4815 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:223 state:D stack:0 pid:4815 tgid:4815 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea84dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea84dd8c r5:85530c00 r4:85530c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85530c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea84de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638480 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85530c00 r7:00000000 r6:83018600 r5:00001000 r4:7f031000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfc11000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c378c r4:8581f380 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:858c378c r4:8581f380 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85530c00 r8:8581f3ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581f380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581f380 r8:80278fec r7:ea845e60 r6:8581f400 r5:85530c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea84dfb0 to 0xea84dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84cd7600 INFO: task kworker/1:223:4815 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d9f1e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:224:4819 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:224 state:D stack:0 pid:4819 tgid:4819 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea815d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea815d8c r5:85532400 r4:85532400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85532400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea815e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8566ccc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85532400 r7:00000000 r6:83018600 r5:00001000 r4:7f043000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e01cf000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85725f8c r4:8581f580 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85725f8c r4:8581f580 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85532400 r8:8581f5ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581f580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581f580 r8:80278fec r7:ea84de60 r6:8581f600 r5:85532400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea815fb0 to 0xea815ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85715c00 INFO: task kworker/1:224:4819 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: da1d2000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:117:4820 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:117 state:D stack:0 pid:4820 tgid:4820 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea819d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea819d8c r5:857f2400 r4:857f2400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f2400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea819e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6cb80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857f2400 r7:00000000 r6:83018400 r5:00001000 r4:7f083000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaed3000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fc638c r4:85709500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fc638c r4:85709500 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f2400 r8:8570952c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85709500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85709500 r8:80278fec r7:ea809e60 r6:85821000 r5:857f2400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea819fb0 to 0xea819ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8581a000 INFO: task kworker/0:117:4820 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: da3f2000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:118:4822 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:118 state:D stack:0 pid:4822 tgid:4822 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea871d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea871d8c r5:857f0c00 r4:857f0c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f0c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea871e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85699900 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857f0c00 r7:00000000 r6:83018400 r5:00001000 r4:7f08b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaf67000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fc838c r4:85821200 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fc838c r4:85821200 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f0c00 r8:8582122c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85821200 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85821200 r8:80278fec r7:ea849e60 r6:85821280 r5:857f0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea871fb0 to 0xea871ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8571b080 INFO: task kworker/0:118:4822 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: da47e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:119:4824 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:119 state:D stack:0 pid:4824 tgid:4824 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea829d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea829d8c r5:857f9800 r4:857f9800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f9800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea829e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85670780 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857f9800 r7:00000000 r6:83018400 r5:00001000 r4:7f033000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfc67000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c2b8c r4:85821400 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c2b8c r4:85821400 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f9800 r8:8582142c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85821400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85821400 r8:80278fec r7:ea849e60 r6:85821480 r5:857f9800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea829fb0 to 0xea829ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858241c0 INFO: task kworker/0:119:4824 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: da77b000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:120:4826 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:120 state:D stack:0 pid:4826 tgid:4826 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea81dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea81dd8c r5:857e5400 r4:857e5400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857e5400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea81de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6cec0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857e5400 r7:00000000 r6:83018400 r5:00001000 r4:7f081000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaeb7000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fc6f8c r4:85821380 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fc6f8c r4:85821380 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857e5400 r8:858213ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85821380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85821380 r8:80278fec r7:ea849e60 r6:85821580 r5:857e5400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea81dfb0 to 0xea81dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858248c0 INFO: task kworker/0:120:4826 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: daa05000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:225:4831 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:225 state:D stack:0 pid:4831 tgid:4831 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea899d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea899d8c r5:85533000 r4:85533000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85533000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea899e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855f2c40 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85533000 r7:00000000 r6:83018600 r5:00001000 r4:7f047000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4289000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8542b78c r4:8581f700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8542b78c r4:8581f700 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85533000 r8:8581f72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581f700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581f700 r8:80278fec r7:ea84de60 r6:8581f780 r5:85533000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea899fb0 to 0xea899ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8570df40 INFO: task kworker/1:225:4831 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: daa05000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:226:4833 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:226 state:D stack:0 pid:4833 tgid:4833 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8a5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8a5d8c r5:85533c00 r4:85533c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85533c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8a5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85700900 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85533c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e011f000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586438c r4:8581f880 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586438c r4:8581f880 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85533c00 r8:8581f8ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581f880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581f880 r8:80278fec r7:ea84de60 r6:8581f900 r5:85533c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8a5fb0 to 0xea8a5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84e86040 INFO: task kworker/1:226:4833 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dadb2000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:123:4836 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:123 state:D stack:0 pid:4836 tgid:4836 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8a1d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea8a1d8c r5:84cab000 r4:84cab000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84cab000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8a1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6c140 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84cab000 r7:00000000 r6:83018400 r5:00001000 r4:7f07b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eae4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fc578c r4:85821b00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fc578c r4:85821b00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84cab000 r8:85821b2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85821b00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85821b00 r8:80278fec r7:ea849e60 r6:85821b80 r5:84cab000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8a1fb0 to 0xea8a1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85815c40 INFO: task kworker/0:123:4836 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: db073000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:124:4838 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:124 state:D stack:0 pid:4838 tgid:4838 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea791d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea791d8c r5:84cac800 r4:84cac800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84cac800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea791e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8583be40 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84cac800 r7:00000000 r6:83018400 r5:00001000 r4:7f075000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eadf7000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fd7f8c r4:85821d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fd7f8c r4:85821d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84cac800 r8:85821d2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85821d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85821d00 r8:80278fec r7:ea849e60 r6:85821d80 r5:84cac800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea791fb0 to 0xea791ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824600 INFO: task kworker/0:124:4838 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: db073000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:126:4842 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:126 state:D stack:0 pid:4842 tgid:4842 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea859d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea859d8c r5:84cae000 r4:84cae000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84cae000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea859e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84dde400 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84cae000 r7:00000000 r6:83018400 r5:00001000 r4:7f079000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eae2f000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fd638c r4:85821700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fd638c r4:85821700 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84cae000 r8:8582172c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85821700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85821700 r8:80278fec r7:ea849e60 r6:85821100 r5:84cae000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea859fb0 to 0xea859ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8571ae80 INFO: task kworker/0:126:4842 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: db073000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:127:4844 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:127 state:D stack:0 pid:4844 tgid:4844 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea85dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea85dd8c r5:84caec00 r4:84caec00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84caec00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea85de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854cfd40 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84caec00 r7:00000000 r6:83018400 r5:00001000 r4:7f06f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead85000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85768f8c r4:8582b080 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85768f8c r4:8582b080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84caec00 r8:8582b0ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8582b080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8582b080 r8:80278fec r7:ea849e60 r6:8582b100 r5:84caec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea85dfb0 to 0xea85dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8582a840 INFO: task kworker/0:127:4844 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: db073000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:227:4860 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:227 state:D stack:0 pid:4860 tgid:4860 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea939d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea939d8c r5:85536c00 r4:85536c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85536c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea939e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85700fc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85536c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e009d000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85865f8c r4:8581fc00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85865f8c r4:8581fc00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85536c00 r8:8581fc2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581fc00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581fc00 r8:80278fec r7:ea84de60 r6:8581fc80 r5:85536c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819240 INFO: task kworker/1:227:4860 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: db793000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:228:4861 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:228 state:D stack:0 pid:4861 tgid:4861 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8b1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8b1d8c r5:85536000 r4:85536000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85536000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8b1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8563fb40 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85536000 r7:00000000 r6:83018600 r5:00001000 r4:7f08f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eafb3000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85867b8c r4:8581fd80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85867b8c r4:8581fd80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85536000 r8:8581fdac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581fd80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581fd80 r8:80278fec r7:ea84de60 r6:8581fe00 r5:85536000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8b1fb0 to 0xea8b1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819440 INFO: task kworker/1:228:4861 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dba24000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:229:4863 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:229 state:D stack:0 pid:4863 tgid:4863 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8b9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8b9d8c r5:85531800 r4:85531800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85531800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8b9e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855f3ec0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85531800 r7:00000000 r6:83018600 r5:00001000 r4:7f093000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eafff000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8587478c r4:8581fb80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8587478c r4:8581fb80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85531800 r8:8581fbac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581fb80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581fb80 r8:80278fec r7:ea84de60 r6:8581fa00 r5:85531800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8b9fb0 to 0xea8b9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819740 INFO: task kworker/1:229:4863 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dbd55000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:231:4867 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:231 state:D stack:0 pid:4867 tgid:4867 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea93dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea93dd8c r5:8580b000 r4:8580b000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8580b000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea93de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638080 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580b000 r7:00000000 r6:83018600 r5:00001000 r4:7f02f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfbd3000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85874b8c r4:85813f80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85874b8c r4:85813f80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580b000 r8:85813fac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85813f80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85813f80 r8:80278fec r7:ea8b5e60 r6:8582bb00 r5:8580b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819dc0 INFO: task kworker/1:231:4867 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dbed4000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:232:4869 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:232 state:D stack:0 pid:4869 tgid:4869 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea945d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea945d8c r5:8580bc00 r4:8580bc00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8580bc00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea945e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571b180 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580bc00 r7:00000000 r6:83018600 r5:00001000 r4:7f091000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eafd7000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586778c r4:85831000 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586778c r4:85831000 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580bc00 r8:8583102c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831000 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831000 r8:80278fec r7:ea8b5e60 r6:8582bc00 r5:8580bc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea945fb0 to 0xea945ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819c00 INFO: task kworker/1:232:4869 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dbed4000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:233:4871 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:233 state:D stack:0 pid:4871 tgid:4871 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8c1d84 r9:00000002 r8:60010113 r7:829171a0 r6:ea8c1d8c r5:85528000 r4:85528000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85528000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8c1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571a400 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85528000 r7:00000000 r6:83018600 r5:00001000 r4:7f089000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaf3b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85864f8c r4:85831080 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85864f8c r4:85831080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85528000 r8:858310ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831080 r8:80278fec r7:ea8b5e60 r6:85831180 r5:85528000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8c1fb0 to 0xea8c1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819900 INFO: task kworker/1:233:4871 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dbed4000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:234:4873 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:234 state:D stack:0 pid:4873 tgid:4873 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea94dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea94dd8c r5:85528c00 r4:85528c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85528c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea94de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85647ac0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85528c00 r7:00000000 r6:83018600 r5:00001000 r4:7f08d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaf83000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586738c r4:85831280 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586738c r4:85831280 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85528c00 r8:858312ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831280 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831280 r8:80278fec r7:ea8b5e60 r6:85831300 r5:85528c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea94dfb0 to 0xea94dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819380 INFO: task kworker/1:234:4873 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dc173000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:235:4876 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:235 state:D stack:0 pid:4876 tgid:4876 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea97dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea97dd8c r5:8552a400 r4:8552a400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8552a400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea97de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b62ec0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8552a400 r7:00000000 r6:83018600 r5:00001000 r4:7f085000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaef7000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586478c r4:85831480 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586478c r4:85831480 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8552a400 r8:858314ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831480 r8:80278fec r7:ea8b5e60 r6:85831500 r5:8552a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea97dfb0 to 0xea97dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85696c80 INFO: task kworker/1:235:4876 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dc173000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:236:4877 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:236 state:D stack:0 pid:4877 tgid:4877 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8bdd84 r9:00000002 r8:600b0113 r7:829171a0 r6:ea8bdd8c r5:85529800 r4:85529800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85529800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8bde08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8401c0c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85529800 r7:00000000 r6:83018600 r5:00001000 r4:7f087000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaf13000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586578c r4:85831400 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586578c r4:85831400 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85529800 r8:8583142c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831400 r8:80278fec r7:ea8b5e60 r6:85831600 r5:85529800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8bdfb0 to 0xea8bdff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85723340 INFO: task kworker/1:236:4877 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dc2b6000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:237:4880 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:237 state:D stack:0 pid:4880 tgid:4880 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9a5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9a5d8c r5:8552b000 r4:8552b000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8552b000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9a5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638c00 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8552b000 r7:00000000 r6:83018600 r5:00001000 r4:7f073000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eadd3000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84d11b8c r4:85831700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:84d11b8c r4:85831700 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8552b000 r8:8583172c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831700 r8:80278fec r7:ea8b5e60 r6:85831780 r5:8552b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9a5fb0 to 0xea9a5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8581a240 INFO: task kworker/1:237:4880 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dc646000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:238:4883 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:238 state:D stack:0 pid:4883 tgid:4883 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea88dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea88dd8c r5:8552c800 r4:8552c800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8552c800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea88de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599e540 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8552c800 r7:00000000 r6:83018600 r5:00001000 r4:7f07f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eae97000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586538c r4:85831900 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586538c r4:85831900 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8552c800 r8:8583192c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831900 r8:80278fec r7:ea8b5e60 r6:85831980 r5:8552c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea88dfb0 to 0xea88dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8581ae40 INFO: task kworker/1:238:4883 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dc646000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:239:4887 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:239 state:D stack:0 pid:4887 tgid:4887 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8d1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8d1d8c r5:8580e000 r4:8580e000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8580e000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8d1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638400 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580e000 r7:00000000 r6:83018600 r5:00001000 r4:7f071000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eadb1000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85876b8c r4:85831a80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85876b8c r4:85831a80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580e000 r8:85831aac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831a80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831a80 r8:80278fec r7:ea8b5e60 r6:8582bf00 r5:8580e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8d1fb0 to 0xea8d1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:239:4887 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dc820000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:240:4888 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:240 state:D stack:0 pid:4888 tgid:4888 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8d5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8d5d8c r5:8580ec00 r4:8580ec00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8580ec00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8d5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84cd4740 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580ec00 r7:00000000 r6:83018600 r5:00001000 r4:7f07d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eae6f000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586678c r4:85831b00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586678c r4:85831b00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580ec00 r8:85831b2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831b00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831b00 r8:80278fec r7:ea8d1e60 r6:8582bd00 r5:8580ec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8d5fb0 to 0xea8d5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:240:4888 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dcc9e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:241:4890 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:241 state:D stack:0 pid:4890 tgid:4890 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8ddd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8ddd8c r5:8580d400 r4:8580d400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8580d400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8dde08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff7500 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580d400 r7:00000000 r6:83018600 r5:00001000 r4:7f077000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eae13000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85422b8c r4:85831c00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85422b8c r4:85831c00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580d400 r8:85831c2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831c00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831c00 r8:80278fec r7:ea8b5e60 r6:8582d000 r5:8580d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8ddfb0 to 0xea8ddff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:855f25c0 INFO: task kworker/1:241:4890 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dcc9e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:259:4934 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:259 state:D stack:0 pid:4934 tgid:4934 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea99dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea99dd8c r5:85525400 r4:85525400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85525400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea99de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854f0580 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85525400 r7:00000000 r6:83018600 r5:00001000 r4:7f003000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df973000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858ccb8c r4:85828e00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:858ccb8c r4:85828e00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85525400 r8:85828e2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85828e00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85828e00 r8:80278fec r7:ea9d1e60 r6:85828e80 r5:85525400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea99dfb0 to 0xea99dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8581d2c0 INFO: task kworker/1:259:4934 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dcc9e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:138:4949 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:138 state:D stack:0 pid:4949 tgid:4949 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea979d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea979d8c r5:85522400 r4:85522400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85522400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea979e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815b00 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85522400 r7:00000000 r6:83018400 r5:00001000 r4:7f02b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb1f000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fc7f8c r4:85839480 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fc7f8c r4:85839480 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85522400 r8:858394ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85839480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85839480 r8:80278fec r7:ea8c5e60 r6:8582e200 r5:85522400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea979fb0 to 0xea979ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8581a800 INFO: task kworker/0:138:4949 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dd2c0000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:139:4953 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:139 state:D stack:0 pid:4953 tgid:4953 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9d5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9d5d8c r5:85894800 r4:85894800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85894800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9d5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8569ba80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85894800 r7:00000000 r6:83018400 r5:00001000 r4:7f035000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfce1000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c2f8c r4:85839580 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c2f8c r4:85839580 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85894800 r8:858395ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85839580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85839580 r8:80278fec r7:ea8c5e60 r6:85839600 r5:85894800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9d5fb0 to 0xea9d5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856a06c0 INFO: task kworker/0:139:4953 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dda0d000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:000e0013 r5:600e0093 r4:8225282c [<80201b08>] (show_stack) from [<8021f8f8>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021f8f8>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021f888>] (dump_stack_lvl) from [<8021f91c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000001 r4:00000001 [<8021f904>] (dump_stack) from [<81a4e454>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4e2f4>] (nmi_cpu_backtrace) from [<81a4e5a0>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4e470>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:000220ae r6:00007bf0 r5:82abf7d4 r4:85c9c80c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495) [<8037f528>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037f528 r7:832a1500 r6:832a1500 r5:832e8c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8d9fb0 to 0xdf8d9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8333f640 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2823 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:194 LR is at spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline] LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603 pc : [<81a6e6a4>] lr : [<80a8f60c>] psr: 60000113 sp : eae85eb0 ip : eae85ec0 fp : eae85ebc r10: 82959594 r9 : 00000000 r8 : 00000000 r7 : 00000117 r6 : 829594f8 r5 : 00000000 r4 : 00000001 r3 : 0000115c r2 : 00000000 r1 : 60000113 r0 : 846e2c40 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 85c139c0 DAC: fffffffd Call trace: [<81a6e67c>] (_raw_spin_unlock_irqrestore) from [<80a8f60c>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6e67c>] (_raw_spin_unlock_irqrestore) from [<80a8f60c>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6e67c>] (_raw_spin_unlock_irqrestore) from [<80a8f60c>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8f5ec>] (pl011_console_device_unlock) from [<802e3750>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e36c8>] (nbcon_emit_one) from [<802e3970>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:84834800 r4:829594f8 [<802e37c8>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594f8 r8:802e37c8 r7:84814800 r6:84814800 r5:84834800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeae85fb0 to 0xeae85ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84872f80 final repro crashed as (corrupted=false): INFO: task kworker/1:10:4153 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:10 state:D stack:0 pid:4153 tgid:4153 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb09d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfb09d8c r5:8382c800 r4:8382c800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8382c800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb09e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856475c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8382c800 r7:00000000 r6:83018600 r5:00001000 r4:7f02f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfbd5000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85428f8c r4:8567ca00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85428f8c r4:8567ca00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8382c800 r8:8567ca2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8567ca00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8567ca00 r8:80278fec r7:ea421e60 r6:8567c980 r5:8382c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb09fb0 to 0xdfb09ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84e86840 INFO: task kworker/1:10:4153 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000002 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d735d000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/0:23:4154 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:23 state:D stack:0 pid:4154 tgid:4154 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb95d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb95d8c r5:8382d400 r4:8382d400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8382d400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb95e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856706c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8382d400 r7:00000000 r6:83018400 r5:00001000 r4:7f035000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfcc5000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c0b8c r4:84e25980 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c0b8c r4:84e25980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8382d400 r8:84e259ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84e25980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84e25980 r8:80278fec r7:dfaf9e60 r6:8567c480 r5:8382d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb95fb0 to 0xdfb95ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:855f2a80 INFO: task kworker/0:23:4154 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d7450000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:11:4158 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:11 state:D stack:0 pid:4158 tgid:4158 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb65d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfb65d8c r5:83a84800 r4:83a84800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83a84800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb65e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8566c2c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83a84800 r7:00000000 r6:83018600 r5:00001000 r4:7f00d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa9b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85769f8c r4:8567cf80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85769f8c r4:8567cf80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83a84800 r8:8567cfac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8567cf80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8567cf80 r8:80278fec r7:ea421e60 r6:8567c300 r5:83a84800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb65fb0 to 0xdfb65ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854e9e40 INFO: task kworker/1:11:4158 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d7923000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:12:4162 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:12 state:D stack:0 pid:4162 tgid:4162 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfcc1d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfcc1d8c r5:83a86000 r4:83a86000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83a86000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcc1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8566c600 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83a86000 r7:00000000 r6:83018600 r5:00001000 r4:7f00b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa31000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8576978c r4:8567c580 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8576978c r4:8567c580 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83a86000 r8:8567c5ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8567c580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8567c580 r8:80278fec r7:ea421e60 r6:8567c800 r5:83a86000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfcc1fb0 to 0xdfcc1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85694f40 INFO: task kworker/1:12:4162 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8039000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/0:109:4766 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:109 state:D stack:0 pid:4766 tgid:4766 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea835d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea835d8c r5:857fe000 r4:857fe000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857fe000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea835e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8569b900 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857fe000 r7:00000000 r6:83018400 r5:00001000 r4:7f033000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfc75000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c178c r4:85721880 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c178c r4:85721880 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857fe000 r8:857218ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85721880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85721880 r8:80278fec r7:ea831e60 r6:85721600 r5:857fe000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea835fb0 to 0xea835ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858159c0 INFO: task kworker/0:109:4766 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8039000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:213:4779 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:213 state:D stack:0 pid:4779 tgid:4779 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea705d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea705d8c r5:8553bc00 r4:8553bc00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8553bc00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea705e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85630e80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8553bc00 r7:00000000 r6:83018600 r5:00001000 r4:7f04f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea453000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8577df8c r4:85811180 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8577df8c r4:85811180 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8553bc00 r8:858111ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811180 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811180 r8:80278fec r7:ea761e60 r6:85811200 r5:8553bc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea705fb0 to 0xea705ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:857d4380 INFO: task kworker/1:213:4779 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8246000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:215:4785 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:215 state:D stack:0 pid:4785 tgid:4785 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7d1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea7d1d8c r5:8553d400 r4:8553d400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8553d400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7d1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d4880 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8553d400 r7:00000000 r6:83018600 r5:00001000 r4:7f031000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfc15000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8577fb8c r4:85811500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8577fb8c r4:85811500 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8553d400 r8:8581152c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811500 r8:80278fec r7:ea705e60 r6:85811600 r5:8553d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7d1fb0 to 0xea7d1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85723b40 INFO: task kworker/1:215:4785 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8246000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/0:110:4786 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:110 state:D stack:0 pid:4786 tgid:4786 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7e5d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea7e5d8c r5:8553ec00 r4:8553ec00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8553ec00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7e5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85670d00 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8553ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f039000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e006b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c138c r4:85813380 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c138c r4:85813380 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8553ec00 r8:858133ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85813380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85813380 r8:80278fec r7:ea835e60 r6:85811700 r5:8553ec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7e5fb0 to 0xea7e5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85815300 INFO: task kworker/0:110:4786 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d852c000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:216:4788 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:216 state:D stack:0 pid:4788 tgid:4788 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea785d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea785d8c r5:8553e000 r4:8553e000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8553e000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea785e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85647900 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8553e000 r7:00000000 r6:83018600 r5:00001000 r4:7f037000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0025000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8577e38c r4:85811800 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8577e38c r4:85811800 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8553e000 r8:8581182c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811800 r8:80278fec r7:ea705e60 r6:85811880 r5:8553e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea785fb0 to 0xea785ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85723e00 INFO: task kworker/1:216:4788 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d852c000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/0:111:4790 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:111 state:D stack:0 pid:4790 tgid:4790 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7e9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea7e9d8c r5:8553a400 r4:8553a400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8553a400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7e9e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85670900 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8553a400 r7:00000000 r6:83018400 r5:00001000 r4:7f03f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0173000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c1f8c r4:85813680 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c1f8c r4:85813680 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8553a400 r8:858136ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85813680 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85813680 r8:80278fec r7:ea835e60 r6:85811980 r5:8553a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7e9fb0 to 0xea7e9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8570a3c0 INFO: task kworker/0:111:4790 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8884000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:217:4792 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:217 state:D stack:0 pid:4792 tgid:4792 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7edd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea7edd8c r5:8553b000 r4:8553b000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8553b000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7ede08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85630c00 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8553b000 r7:00000000 r6:83018600 r5:00001000 r4:7f02d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb85000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8542b38c r4:85811b00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8542b38c r4:85811b00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8553b000 r8:85811b2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811b00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811b00 r8:80278fec r7:ea705e60 r6:85811b80 r5:8553b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7edfb0 to 0xea7edff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85723680 INFO: task kworker/1:217:4792 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8b9b000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:113:4796 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:113 state:D stack:0 pid:4796 tgid:4796 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7f1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea7f1d8c r5:857f3000 r4:857f3000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f3000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7f1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8570dc80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857f3000 r7:00000000 r6:83018400 r5:00001000 r4:7f041000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfaeb000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c078c r4:85813900 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c078c r4:85813900 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f3000 r8:8581392c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85813900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85813900 r8:80278fec r7:ea7e9e60 r6:85813980 r5:857f3000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7f1fb0 to 0xea7f1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:855f2b80 INFO: task kworker/0:113:4796 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8c88000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:114:4798 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:114 state:D stack:0 pid:4798 tgid:4798 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea809d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea809d8c r5:857f3c00 r4:857f3c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f3c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea809e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8569d300 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857f3c00 r7:00000000 r6:83018400 r5:00001000 r4:7f02d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb77000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c3f8c r4:85813a80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c3f8c r4:85813a80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f3c00 r8:85813aac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85813a80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85813a80 r8:80278fec r7:ea7e9e60 r6:85813b00 r5:857f3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea809fb0 to 0xea809ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8571a2c0 INFO: task kworker/0:114:4798 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8c88000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:115:4799 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:115 state:D stack:0 pid:4799 tgid:4799 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea80dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea80dd8c r5:857f4800 r4:857f4800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f4800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea80de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85670200 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857f4800 r7:00000000 r6:83018400 r5:00001000 r4:7f037000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e001b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c278c r4:85813c00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c278c r4:85813c00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f4800 r8:85813c2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85813c00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85813c00 r8:80278fec r7:ea7e9e60 r6:85813c80 r5:857f4800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea80dfb0 to 0xea80dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85815900 INFO: task kworker/0:115:4799 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d8fb7000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:218:4804 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:218 state:D stack:0 pid:4804 tgid:4804 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea841d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea841d8c r5:857f6000 r4:857f6000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f6000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea841e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571a5c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:857f6000 r7:00000000 r6:83018600 r5:00001000 r4:7f02b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb2d000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8577e78c r4:85811c80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8577e78c r4:85811c80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f6000 r8:85811cac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811c80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811c80 r8:80278fec r7:ea7ede60 r6:85813e80 r5:857f6000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea841fb0 to 0xea841ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85715c00 INFO: task kworker/1:218:4804 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d91b8000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:219:4805 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:219 state:D stack:0 pid:4805 tgid:4805 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea811d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea811d8c r5:85539800 r4:85539800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85539800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea811e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c53300 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85539800 r7:00000000 r6:83018600 r5:00001000 r4:7f045000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0223000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85724b8c r4:85811d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85724b8c r4:85811d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85539800 r8:85811d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811d00 r8:80278fec r7:ea7ede60 r6:85811d80 r5:85539800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea811fb0 to 0xea811ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8571b180 INFO: task kworker/1:219:4805 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d91b8000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:220:4809 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:220 state:D stack:0 pid:4809 tgid:4809 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea845d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea845d8c r5:857f6c00 r4:857f6c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f6c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea845e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85630700 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:857f6c00 r7:00000000 r6:83018600 r5:00001000 r4:7f04b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e8351000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8542bb8c r4:85811f00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8542bb8c r4:85811f00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f6c00 r8:85811f2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811f00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811f00 r8:80278fec r7:ea7ede60 r6:85813600 r5:857f6c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea845fb0 to 0xea845ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:857d4bc0 INFO: task kworker/1:220:4809 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d955d000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:221:4811 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:221 state:D stack:0 pid:4811 tgid:4811 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea775d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea775d8c r5:85538000 r4:85538000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85538000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea775e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85630440 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85538000 r7:00000000 r6:83018600 r5:00001000 r4:7f04d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea3cb000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8577cf8c r4:85811f80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8577cf8c r4:85811f80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85538000 r8:85811fac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85811f80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85811f80 r8:80278fec r7:ea845e60 r6:85811e80 r5:85538000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea775fb0 to 0xea775ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85723540 INFO: task kworker/1:221:4811 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d9c27000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:222:4814 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:222 state:D stack:0 pid:4814 tgid:4814 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea851d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea851d8c r5:85530000 r4:85530000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85530000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea851e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c6dac0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85530000 r7:00000000 r6:83018600 r5:00001000 r4:7f049000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e42e9000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8542a78c r4:8581f180 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8542a78c r4:8581f180 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85530000 r8:8581f1ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581f180 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581f180 r8:80278fec r7:ea845e60 r6:8581f280 r5:85530000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea851fb0 to 0xea851ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85715680 INFO: task kworker/1:222:4814 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d9c27000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:223:4815 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:223 state:D stack:0 pid:4815 tgid:4815 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea84dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea84dd8c r5:85530c00 r4:85530c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85530c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea84de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638480 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85530c00 r7:00000000 r6:83018600 r5:00001000 r4:7f031000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfc11000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c378c r4:8581f380 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:858c378c r4:8581f380 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85530c00 r8:8581f3ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581f380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581f380 r8:80278fec r7:ea845e60 r6:8581f400 r5:85530c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea84dfb0 to 0xea84dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84cd7600 INFO: task kworker/1:223:4815 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: d9f1e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:224:4819 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:224 state:D stack:0 pid:4819 tgid:4819 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea815d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea815d8c r5:85532400 r4:85532400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85532400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea815e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8566ccc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85532400 r7:00000000 r6:83018600 r5:00001000 r4:7f043000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e01cf000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85725f8c r4:8581f580 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85725f8c r4:8581f580 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85532400 r8:8581f5ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581f580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581f580 r8:80278fec r7:ea84de60 r6:8581f600 r5:85532400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea815fb0 to 0xea815ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85715c00 INFO: task kworker/1:224:4819 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: da1d2000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:117:4820 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:117 state:D stack:0 pid:4820 tgid:4820 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea819d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea819d8c r5:857f2400 r4:857f2400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f2400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea819e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6cb80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857f2400 r7:00000000 r6:83018400 r5:00001000 r4:7f083000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaed3000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fc638c r4:85709500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fc638c r4:85709500 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f2400 r8:8570952c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85709500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85709500 r8:80278fec r7:ea809e60 r6:85821000 r5:857f2400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea819fb0 to 0xea819ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8581a000 INFO: task kworker/0:117:4820 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: da3f2000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:118:4822 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:118 state:D stack:0 pid:4822 tgid:4822 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea871d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea871d8c r5:857f0c00 r4:857f0c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f0c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea871e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85699900 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857f0c00 r7:00000000 r6:83018400 r5:00001000 r4:7f08b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaf67000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fc838c r4:85821200 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fc838c r4:85821200 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f0c00 r8:8582122c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85821200 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85821200 r8:80278fec r7:ea849e60 r6:85821280 r5:857f0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea871fb0 to 0xea871ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8571b080 INFO: task kworker/0:118:4822 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: da47e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:119:4824 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:119 state:D stack:0 pid:4824 tgid:4824 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea829d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea829d8c r5:857f9800 r4:857f9800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f9800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea829e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85670780 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857f9800 r7:00000000 r6:83018400 r5:00001000 r4:7f033000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfc67000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c2b8c r4:85821400 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c2b8c r4:85821400 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857f9800 r8:8582142c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85821400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85821400 r8:80278fec r7:ea849e60 r6:85821480 r5:857f9800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea829fb0 to 0xea829ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858241c0 INFO: task kworker/0:119:4824 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: da77b000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:120:4826 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:120 state:D stack:0 pid:4826 tgid:4826 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea81dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea81dd8c r5:857e5400 r4:857e5400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857e5400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea81de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6cec0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857e5400 r7:00000000 r6:83018400 r5:00001000 r4:7f081000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaeb7000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fc6f8c r4:85821380 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fc6f8c r4:85821380 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857e5400 r8:858213ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85821380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85821380 r8:80278fec r7:ea849e60 r6:85821580 r5:857e5400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea81dfb0 to 0xea81dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858248c0 INFO: task kworker/0:120:4826 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: daa05000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:225:4831 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:225 state:D stack:0 pid:4831 tgid:4831 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea899d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea899d8c r5:85533000 r4:85533000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85533000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea899e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855f2c40 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85533000 r7:00000000 r6:83018600 r5:00001000 r4:7f047000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4289000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8542b78c r4:8581f700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8542b78c r4:8581f700 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85533000 r8:8581f72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581f700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581f700 r8:80278fec r7:ea84de60 r6:8581f780 r5:85533000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea899fb0 to 0xea899ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8570df40 INFO: task kworker/1:225:4831 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: daa05000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:226:4833 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:226 state:D stack:0 pid:4833 tgid:4833 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8a5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8a5d8c r5:85533c00 r4:85533c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85533c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8a5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85700900 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85533c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e011f000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586438c r4:8581f880 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586438c r4:8581f880 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85533c00 r8:8581f8ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581f880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581f880 r8:80278fec r7:ea84de60 r6:8581f900 r5:85533c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8a5fb0 to 0xea8a5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84e86040 INFO: task kworker/1:226:4833 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dadb2000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:123:4836 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:123 state:D stack:0 pid:4836 tgid:4836 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8a1d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea8a1d8c r5:84cab000 r4:84cab000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84cab000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8a1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b6c140 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84cab000 r7:00000000 r6:83018400 r5:00001000 r4:7f07b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eae4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fc578c r4:85821b00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fc578c r4:85821b00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84cab000 r8:85821b2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85821b00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85821b00 r8:80278fec r7:ea849e60 r6:85821b80 r5:84cab000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8a1fb0 to 0xea8a1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85815c40 INFO: task kworker/0:123:4836 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: db073000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:124:4838 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:124 state:D stack:0 pid:4838 tgid:4838 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea791d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea791d8c r5:84cac800 r4:84cac800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84cac800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea791e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8583be40 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84cac800 r7:00000000 r6:83018400 r5:00001000 r4:7f075000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eadf7000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fd7f8c r4:85821d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fd7f8c r4:85821d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84cac800 r8:85821d2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85821d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85821d00 r8:80278fec r7:ea849e60 r6:85821d80 r5:84cac800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea791fb0 to 0xea791ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824600 INFO: task kworker/0:124:4838 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: db073000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:126:4842 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:126 state:D stack:0 pid:4842 tgid:4842 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea859d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea859d8c r5:84cae000 r4:84cae000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84cae000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea859e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84dde400 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84cae000 r7:00000000 r6:83018400 r5:00001000 r4:7f079000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eae2f000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fd638c r4:85821700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fd638c r4:85821700 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84cae000 r8:8582172c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85821700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85821700 r8:80278fec r7:ea849e60 r6:85821100 r5:84cae000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea859fb0 to 0xea859ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8571ae80 INFO: task kworker/0:126:4842 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: db073000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:127:4844 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:127 state:D stack:0 pid:4844 tgid:4844 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea85dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea85dd8c r5:84caec00 r4:84caec00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84caec00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea85de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854cfd40 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84caec00 r7:00000000 r6:83018400 r5:00001000 r4:7f06f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead85000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85768f8c r4:8582b080 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85768f8c r4:8582b080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84caec00 r8:8582b0ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8582b080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8582b080 r8:80278fec r7:ea849e60 r6:8582b100 r5:84caec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea85dfb0 to 0xea85dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8582a840 INFO: task kworker/0:127:4844 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: db073000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:227:4860 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:227 state:D stack:0 pid:4860 tgid:4860 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea939d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea939d8c r5:85536c00 r4:85536c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85536c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea939e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85700fc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85536c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e009d000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85865f8c r4:8581fc00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85865f8c r4:8581fc00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85536c00 r8:8581fc2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581fc00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581fc00 r8:80278fec r7:ea84de60 r6:8581fc80 r5:85536c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819240 INFO: task kworker/1:227:4860 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: db793000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:228:4861 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:228 state:D stack:0 pid:4861 tgid:4861 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8b1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8b1d8c r5:85536000 r4:85536000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85536000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8b1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8563fb40 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85536000 r7:00000000 r6:83018600 r5:00001000 r4:7f08f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eafb3000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85867b8c r4:8581fd80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85867b8c r4:8581fd80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85536000 r8:8581fdac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581fd80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581fd80 r8:80278fec r7:ea84de60 r6:8581fe00 r5:85536000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8b1fb0 to 0xea8b1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819440 INFO: task kworker/1:228:4861 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dba24000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:229:4863 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:229 state:D stack:0 pid:4863 tgid:4863 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8b9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8b9d8c r5:85531800 r4:85531800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85531800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8b9e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855f3ec0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85531800 r7:00000000 r6:83018600 r5:00001000 r4:7f093000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eafff000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8587478c r4:8581fb80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8587478c r4:8581fb80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85531800 r8:8581fbac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8581fb80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8581fb80 r8:80278fec r7:ea84de60 r6:8581fa00 r5:85531800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8b9fb0 to 0xea8b9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819740 INFO: task kworker/1:229:4863 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dbd55000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:231:4867 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:231 state:D stack:0 pid:4867 tgid:4867 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea93dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea93dd8c r5:8580b000 r4:8580b000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8580b000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea93de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638080 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580b000 r7:00000000 r6:83018600 r5:00001000 r4:7f02f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfbd3000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85874b8c r4:85813f80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85874b8c r4:85813f80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580b000 r8:85813fac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85813f80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85813f80 r8:80278fec r7:ea8b5e60 r6:8582bb00 r5:8580b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819dc0 INFO: task kworker/1:231:4867 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dbed4000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:232:4869 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:232 state:D stack:0 pid:4869 tgid:4869 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea945d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea945d8c r5:8580bc00 r4:8580bc00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8580bc00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea945e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571b180 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580bc00 r7:00000000 r6:83018600 r5:00001000 r4:7f091000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eafd7000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586778c r4:85831000 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586778c r4:85831000 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580bc00 r8:8583102c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831000 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831000 r8:80278fec r7:ea8b5e60 r6:8582bc00 r5:8580bc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea945fb0 to 0xea945ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819c00 INFO: task kworker/1:232:4869 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dbed4000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:233:4871 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:233 state:D stack:0 pid:4871 tgid:4871 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8c1d84 r9:00000002 r8:60010113 r7:829171a0 r6:ea8c1d8c r5:85528000 r4:85528000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85528000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8c1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8571a400 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85528000 r7:00000000 r6:83018600 r5:00001000 r4:7f089000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaf3b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85864f8c r4:85831080 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85864f8c r4:85831080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85528000 r8:858310ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831080 r8:80278fec r7:ea8b5e60 r6:85831180 r5:85528000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8c1fb0 to 0xea8c1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819900 INFO: task kworker/1:233:4871 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dbed4000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:234:4873 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:234 state:D stack:0 pid:4873 tgid:4873 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea94dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea94dd8c r5:85528c00 r4:85528c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85528c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea94de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85647ac0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85528c00 r7:00000000 r6:83018600 r5:00001000 r4:7f08d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaf83000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586738c r4:85831280 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586738c r4:85831280 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85528c00 r8:858312ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831280 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831280 r8:80278fec r7:ea8b5e60 r6:85831300 r5:85528c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea94dfb0 to 0xea94dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85819380 INFO: task kworker/1:234:4873 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dc173000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:235:4876 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:235 state:D stack:0 pid:4876 tgid:4876 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea97dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea97dd8c r5:8552a400 r4:8552a400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8552a400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea97de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b62ec0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8552a400 r7:00000000 r6:83018600 r5:00001000 r4:7f085000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaef7000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586478c r4:85831480 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586478c r4:85831480 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8552a400 r8:858314ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831480 r8:80278fec r7:ea8b5e60 r6:85831500 r5:8552a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea97dfb0 to 0xea97dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85696c80 INFO: task kworker/1:235:4876 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dc173000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:236:4877 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:236 state:D stack:0 pid:4877 tgid:4877 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8bdd84 r9:00000002 r8:600b0113 r7:829171a0 r6:ea8bdd8c r5:85529800 r4:85529800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85529800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8bde08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8401c0c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85529800 r7:00000000 r6:83018600 r5:00001000 r4:7f087000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaf13000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586578c r4:85831400 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586578c r4:85831400 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85529800 r8:8583142c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831400 r8:80278fec r7:ea8b5e60 r6:85831600 r5:85529800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8bdfb0 to 0xea8bdff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85723340 INFO: task kworker/1:236:4877 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dc2b6000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:237:4880 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:237 state:D stack:0 pid:4880 tgid:4880 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9a5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9a5d8c r5:8552b000 r4:8552b000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8552b000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9a5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638c00 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8552b000 r7:00000000 r6:83018600 r5:00001000 r4:7f073000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eadd3000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84d11b8c r4:85831700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:84d11b8c r4:85831700 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8552b000 r8:8583172c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831700 r8:80278fec r7:ea8b5e60 r6:85831780 r5:8552b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9a5fb0 to 0xea9a5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8581a240 INFO: task kworker/1:237:4880 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dc646000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:238:4883 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:238 state:D stack:0 pid:4883 tgid:4883 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea88dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea88dd8c r5:8552c800 r4:8552c800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8552c800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea88de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599e540 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8552c800 r7:00000000 r6:83018600 r5:00001000 r4:7f07f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eae97000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586538c r4:85831900 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586538c r4:85831900 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8552c800 r8:8583192c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831900 r8:80278fec r7:ea8b5e60 r6:85831980 r5:8552c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea88dfb0 to 0xea88dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8581ae40 INFO: task kworker/1:238:4883 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dc646000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:239:4887 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:239 state:D stack:0 pid:4887 tgid:4887 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8d1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8d1d8c r5:8580e000 r4:8580e000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8580e000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8d1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638400 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580e000 r7:00000000 r6:83018600 r5:00001000 r4:7f071000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eadb1000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85876b8c r4:85831a80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85876b8c r4:85831a80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580e000 r8:85831aac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831a80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831a80 r8:80278fec r7:ea8b5e60 r6:8582bf00 r5:8580e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8d1fb0 to 0xea8d1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:239:4887 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dc820000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:240:4888 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:240 state:D stack:0 pid:4888 tgid:4888 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8d5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8d5d8c r5:8580ec00 r4:8580ec00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8580ec00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8d5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84cd4740 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580ec00 r7:00000000 r6:83018600 r5:00001000 r4:7f07d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eae6f000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8586678c r4:85831b00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8586678c r4:85831b00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580ec00 r8:85831b2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831b00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831b00 r8:80278fec r7:ea8d1e60 r6:8582bd00 r5:8580ec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8d5fb0 to 0xea8d5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 INFO: task kworker/1:240:4888 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dcc9e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:241:4890 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:241 state:D stack:0 pid:4890 tgid:4890 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8ddd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8ddd8c r5:8580d400 r4:8580d400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8580d400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8dde08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff7500 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580d400 r7:00000000 r6:83018600 r5:00001000 r4:7f077000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eae13000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85422b8c r4:85831c00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85422b8c r4:85831c00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580d400 r8:85831c2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831c00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831c00 r8:80278fec r7:ea8b5e60 r6:8582d000 r5:8580d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8ddfb0 to 0xea8ddff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:855f25c0 INFO: task kworker/1:241:4890 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dcc9e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:259:4934 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:259 state:D stack:0 pid:4934 tgid:4934 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea99dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea99dd8c r5:85525400 r4:85525400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85525400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea99de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854f0580 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85525400 r7:00000000 r6:83018600 r5:00001000 r4:7f003000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df973000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858ccb8c r4:85828e00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:858ccb8c r4:85828e00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85525400 r8:85828e2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85828e00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85828e00 r8:80278fec r7:ea9d1e60 r6:85828e80 r5:85525400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea99dfb0 to 0xea99dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8581d2c0 INFO: task kworker/1:259:4934 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dcc9e000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:138:4949 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:138 state:D stack:0 pid:4949 tgid:4949 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea979d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea979d8c r5:85522400 r4:85522400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85522400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea979e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85815b00 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85522400 r7:00000000 r6:83018400 r5:00001000 r4:7f02b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb1f000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fc7f8c r4:85839480 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fc7f8c r4:85839480 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85522400 r8:858394ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85839480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85839480 r8:80278fec r7:ea8c5e60 r6:8582e200 r5:85522400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea979fb0 to 0xea979ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8581a800 INFO: task kworker/0:138:4949 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dd2c0000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:139:4953 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:139 state:D stack:0 pid:4953 tgid:4953 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9d5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9d5d8c r5:85894800 r4:85894800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85894800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9d5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8569ba80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85894800 r7:00000000 r6:83018400 r5:00001000 r4:7f035000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfce1000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858c2f8c r4:85839580 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858c2f8c r4:85839580 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85894800 r8:858395ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85839580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85839580 r8:80278fec r7:ea8c5e60 r6:85839600 r5:85894800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9d5fb0 to 0xea9d5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856a06c0 INFO: task kworker/0:139:4953 is blocked on a mutex likely owned by task kworker/1:243:4894. task:kworker/1:243 state:R running task stack:0 pid:4894 tgid:4894 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8580c800 r8:80200c04 r7:ea891d54 r6:ffffffff r5:8580c800 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea891d20 to 0xea891d68) 1d20: dda0d000 ebdb1000 00000001 80239bf8 7f02d000 00000001 82acb1c4 82aca5a0 1d40: 7f02d000 ebdb1000 8280c9b4 ea891d9c ea891da0 ea891d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea891dc0 r5:ea891e08 r4:ea891dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85638b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8580c800 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead4b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85875f8c r4:85831d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85875f8c r4:85831d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8580c800 r8:85831d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85831d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85831d00 r8:80278fec r7:ea8b5e60 r6:8582d100 r5:8580c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85824340 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:000e0013 r5:600e0093 r4:8225282c [<80201b08>] (show_stack) from [<8021f8f8>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021f8f8>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021f888>] (dump_stack_lvl) from [<8021f91c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000001 r4:00000001 [<8021f904>] (dump_stack) from [<81a4e454>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4e2f4>] (nmi_cpu_backtrace) from [<81a4e5a0>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4e470>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:000220ae r6:00007bf0 r5:82abf7d4 r4:85c9c80c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495) [<8037f528>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037f528 r7:832a1500 r6:832a1500 r5:832e8c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8d9fb0 to 0xdf8d9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8333f640 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2823 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:194 LR is at spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline] LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603 pc : [<81a6e6a4>] lr : [<80a8f60c>] psr: 60000113 sp : eae85eb0 ip : eae85ec0 fp : eae85ebc r10: 82959594 r9 : 00000000 r8 : 00000000 r7 : 00000117 r6 : 829594f8 r5 : 00000000 r4 : 00000001 r3 : 0000115c r2 : 00000000 r1 : 60000113 r0 : 846e2c40 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 85c139c0 DAC: fffffffd Call trace: [<81a6e67c>] (_raw_spin_unlock_irqrestore) from [<80a8f60c>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6e67c>] (_raw_spin_unlock_irqrestore) from [<80a8f60c>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6e67c>] (_raw_spin_unlock_irqrestore) from [<80a8f60c>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8f5ec>] (pl011_console_device_unlock) from [<802e3750>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e36c8>] (nbcon_emit_one) from [<802e3970>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:84834800 r4:829594f8 [<802e37c8>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594f8 r8:802e37c8 r7:84814800 r6:84814800 r5:84834800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeae85fb0 to 0xeae85ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84872f80