INFO: task kworker/0:10:4170 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:10    state:D stack:0     pid:4170  tgid:4170  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a641c8>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a63234>] (__schedule) from [<81a641c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea421d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea421d8c r5:8566d400
 r4:8566d400
[<81a6419c>] (schedule) from [<81a645b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8566d400 r4:8291719c
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a66e10>] (__mutex_lock.constprop.0) from [<81a67908>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea421e08
 r4:00000000
[<81a678f4>] (__mutex_lock_slowpath) from [<81a67948>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a6790c>] (mutex_lock) from [<804e9e3c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85701540
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8566d400 r7:00000000 r6:83018400 r5:00001000 r4:7f049000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dff30000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:855f0f8c r4:84870580
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:855f0f8c r4:84870580
[<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 r9:8566d400 r8:848705ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:84870580
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84870580 r8:80278fec r7:ea321e60 r6:84870980 r5:8566d400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea421fb0 to 0xea421ff8)
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
 r4:84877d00
INFO: task kworker/0:10:4170 is blocked on a mutex likely owned by task kworker/1:122:4582.
task:kworker/1:122   state:R  running task     stack:0     pid:4582  tgid:4582  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a645fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:857b3000 r8:80200c04 r7:ea4f9d54 r6:ffffffff r5:857b3000
 r4:00000000
[<81a645bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea4f9d20 to 0xea4f9d68)
9d20: cca96000 ebd63000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0
9d40: 7f045000 ebd63000 8280c9b4 ea4f9d9c ea4f9da0 ea4f9d70 80230af0 80239c10
9d60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e9c00>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e997c>] (__purge_vmap_area_lazy) from [<804e9fb8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea4f9dc0 r5:ea4f9e08
 r4:ea4f9dc0
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848aab00
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857b3000 r7:00000000 r6:83018600 r5:00001000 r4:7f07b000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea68f000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857abf8c r4:848ac200
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:857abf8c r4:848ac200
[<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 r9:857b3000 r8:848ac22c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:848ac200
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848ac200 r8:80278fec r7:ea54de60 r6:848b1380 r5:857b3000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea4f9fb0 to 0xea4f9ff8)
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
 r4:848aa2c0
INFO: task kworker/0:87:4556 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:87    state:D stack:0     pid:4556  tgid:4556  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a641c8>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a63234>] (__schedule) from [<81a641c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea48dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea48dd8c r5:8576c800
 r4:8576c800
[<81a6419c>] (schedule) from [<81a645b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:8576c800 r4:8291719c
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a66e10>] (__mutex_lock.constprop.0) from [<81a67908>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea48de08
 r4:00000000
[<81a678f4>] (__mutex_lock_slowpath) from [<81a67948>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a6790c>] (mutex_lock) from [<804e9e3c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848afe40
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8576c800 r7:00000000 r6:83018400 r5:00001000 r4:7f04b000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dffdb000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:855ccf8c r4:848b1080
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:855ccf8c r4:848b1080
[<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 r9:8576c800 r8:848b10ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:848b1080
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848b1080 r8:80278fec r7:ea305e60 r6:848b1100 r5:8576c800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea48dfb0 to 0xea48dff8)
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
 r4:84898a80
INFO: task kworker/0:87:4556 is blocked on a mutex likely owned by task kworker/1:122:4582.
task:kworker/1:122   state:R  running task     stack:0     pid:4582  tgid:4582  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a645fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:857b3000 r8:80200c04 r7:ea4f9d54 r6:ffffffff r5:857b3000
 r4:00000000
[<81a645bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea4f9d20 to 0xea4f9d68)
9d20: cd00e000 ebd63000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0
9d40: 7f045000 ebd63000 8280c9b4 ea4f9d9c ea4f9da0 ea4f9d70 80230af0 80239c10
9d60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e9c00>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e997c>] (__purge_vmap_area_lazy) from [<804e9fb8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea4f9dc0 r5:ea4f9e08
 r4:ea4f9dc0
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848aab00
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857b3000 r7:00000000 r6:83018600 r5:00001000 r4:7f07b000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea68f000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857abf8c r4:848ac200
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:857abf8c r4:848ac200
[<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 r9:857b3000 r8:848ac22c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:848ac200
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848ac200 r8:80278fec r7:ea54de60 r6:848b1380 r5:857b3000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea4f9fb0 to 0xea4f9ff8)
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
 r4:848aa2c0
INFO: task kworker/0:89:4585 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:89    state:D stack:0     pid:4585  tgid:4585  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a641c8>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a63234>] (__schedule) from [<81a641c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea629d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea629d8c r5:85820c00
 r4:85820c00
[<81a6419c>] (schedule) from [<81a645b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:85820c00 r4:8291719c
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a66e10>] (__mutex_lock.constprop.0) from [<81a67908>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea629e08
 r4:00000000
[<81a678f4>] (__mutex_lock_slowpath) from [<81a67948>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a6790c>] (mutex_lock) from [<804e9e3c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848aff80
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85820c00 r7:00000000 r6:83018400 r5:00001000 r4:7f07d000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea6b3000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8579b78c r4:848b1580
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:8579b78c r4:848b1580
[<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 r9:85820c00 r8:848b15ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:848b1580
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848b1580 r8:80278fec r7:ea48de60 r6:848b1600 r5:85820c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea629fb0 to 0xea629ff8)
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
 r4:8488adc0
INFO: task kworker/0:89:4585 is blocked on a mutex likely owned by task kworker/1:122:4582.
task:kworker/1:122   state:R  running task     stack:0     pid:4582  tgid:4582  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a645fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:857b3000 r8:80200c04 r7:ea4f9d54 r6:ffffffff r5:857b3000
 r4:00000000
[<81a645bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea4f9d20 to 0xea4f9d68)
9d20: cd4b6000 ebd63000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0
9d40: 7f045000 ebd63000 8280c9b4 ea4f9d9c ea4f9da0 ea4f9d70 80230af0 80239c10
9d60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e9c00>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e997c>] (__purge_vmap_area_lazy) from [<804e9fb8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea4f9dc0 r5:ea4f9e08
 r4:ea4f9dc0
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848aab00
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857b3000 r7:00000000 r6:83018600 r5:00001000 r4:7f07b000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea68f000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857abf8c r4:848ac200
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:857abf8c r4:848ac200
[<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 r9:857b3000 r8:848ac22c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:848ac200
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848ac200 r8:80278fec r7:ea54de60 r6:848b1380 r5:857b3000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea4f9fb0 to 0xea4f9ff8)
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
 r4:848aa2c0
INFO: task kworker/1:125:4591 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:125   state:D stack:0     pid:4591  tgid:4591  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a641c8>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a63234>] (__schedule) from [<81a641c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea651d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea651d8c r5:857c1800
 r4:857c1800
[<81a6419c>] (schedule) from [<81a645b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857c1800 r4:8291719c
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a66e10>] (__mutex_lock.constprop.0) from [<81a67908>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea651e08
 r4:00000000
[<81a678f4>] (__mutex_lock_slowpath) from [<81a67948>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a6790c>] (mutex_lock) from [<804e9e3c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8489ce80
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857c1800 r7:00000000 r6:83018600 r5:00001000 r4:7f047000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:dfbdf000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857a878c r4:848ac380
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:857a878c r4:848ac380
[<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 r9:857c1800 r8:848ac3ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:848ac380
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848ac380 r8:80278fec r7:ea681e60 r6:848ac400 r5:857c1800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea651fb0 to 0xea651ff8)
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
 r4:848aa840
INFO: task kworker/1:125:4591 is blocked on a mutex likely owned by task kworker/1:122:4582.
task:kworker/1:122   state:R  running task     stack:0     pid:4582  tgid:4582  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a645fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:857b3000 r8:80200c04 r7:ea4f9d54 r6:ffffffff r5:857b3000
 r4:00000000
[<81a645bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea4f9d20 to 0xea4f9d68)
9d20: cd4b6000 ebd63000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0
9d40: 7f045000 ebd63000 8280c9b4 ea4f9d9c ea4f9da0 ea4f9d70 80230af0 80239c10
9d60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e9c00>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e997c>] (__purge_vmap_area_lazy) from [<804e9fb8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea4f9dc0 r5:ea4f9e08
 r4:ea4f9dc0
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848aab00
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857b3000 r7:00000000 r6:83018600 r5:00001000 r4:7f07b000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea68f000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857abf8c r4:848ac200
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:857abf8c r4:848ac200
[<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 r9:857b3000 r8:848ac22c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:848ac200
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848ac200 r8:80278fec r7:ea54de60 r6:848b1380 r5:857b3000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea4f9fb0 to 0xea4f9ff8)
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
 r4:848aa2c0
INFO: task kworker/1:126:4592 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:126   state:D stack:0     pid:4592  tgid:4592  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a641c8>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a63234>] (__schedule) from [<81a641c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea6b1d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea6b1d8c r5:857c8000
 r4:857c8000
[<81a6419c>] (schedule) from [<81a645b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857c8000 r4:8291719c
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a66e10>] (__mutex_lock.constprop.0) from [<81a67908>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6b1e08
 r4:00000000
[<81a678f4>] (__mutex_lock_slowpath) from [<81a67948>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a6790c>] (mutex_lock) from [<804e9e3c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848833c0
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857c8000 r7:00000000 r6:83018600 r5:00001000 r4:7f07f000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea6e3000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857aa78c r4:848ac480
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:857aa78c r4:848ac480
[<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 r9:857c8000 r8:848ac4ac r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:848ac480
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848ac480 r8:80278fec r7:ea681e60 r6:848ac580 r5:857c8000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6b1fb0 to 0xea6b1ff8)
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
 r4:848aac00
INFO: task kworker/1:126:4592 is blocked on a mutex likely owned by task kworker/1:122:4582.
task:kworker/1:122   state:R  running task     stack:0     pid:4582  tgid:4582  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a645fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:857b3000 r8:80200c04 r7:ea4f9d54 r6:ffffffff r5:857b3000
 r4:00000000
[<81a645bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea4f9d20 to 0xea4f9d68)
9d20: cd6a2000 ebd63000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0
9d40: 7f045000 ebd63000 8280c9b4 ea4f9d9c ea4f9da0 ea4f9d70 80230af0 80239c10
9d60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e9c00>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e997c>] (__purge_vmap_area_lazy) from [<804e9fb8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea4f9dc0 r5:ea4f9e08
 r4:ea4f9dc0
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848aab00
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857b3000 r7:00000000 r6:83018600 r5:00001000 r4:7f07b000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea68f000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857abf8c r4:848ac200
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:857abf8c r4:848ac200
[<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 r9:857b3000 r8:848ac22c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:848ac200
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848ac200 r8:80278fec r7:ea54de60 r6:848b1380 r5:857b3000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea4f9fb0 to 0xea4f9ff8)
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
 r4:848aa2c0
INFO: task kworker/0:91:4595 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:91    state:D stack:0     pid:4595  tgid:4595  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a641c8>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a63234>] (__schedule) from [<81a641c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea6c1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea6c1d8c r5:857c9800
 r4:857c9800
[<81a6419c>] (schedule) from [<81a645b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857c9800 r4:8291719c
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a66e10>] (__mutex_lock.constprop.0) from [<81a67908>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6c1e08
 r4:00000000
[<81a678f4>] (__mutex_lock_slowpath) from [<81a67948>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a6790c>] (mutex_lock) from [<804e9e3c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848aff00
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857c9800 r7:00000000 r6:83018400 r5:00001000 r4:7f081000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea717000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:8579938c r4:848b1800
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:8579938c r4:848b1800
[<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 r9:857c9800 r8:848b182c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:848b1800
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848b1800 r8:80278fec r7:ea48de60 r6:848ac680 r5:857c9800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6c1fb0 to 0xea6c1ff8)
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
 r4:848affc0
INFO: task kworker/0:91:4595 is blocked on a mutex likely owned by task kworker/1:122:4582.
task:kworker/1:122   state:R  running task     stack:0     pid:4582  tgid:4582  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a645fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:857b3000 r8:80200c04 r7:ea4f9d54 r6:ffffffff r5:857b3000
 r4:00000000
[<81a645bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea4f9d20 to 0xea4f9d68)
9d20: cd6a2000 ebd63000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0
9d40: 7f045000 ebd63000 8280c9b4 ea4f9d9c ea4f9da0 ea4f9d70 80230af0 80239c10
9d60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e9c00>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e997c>] (__purge_vmap_area_lazy) from [<804e9fb8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea4f9dc0 r5:ea4f9e08
 r4:ea4f9dc0
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848aab00
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857b3000 r7:00000000 r6:83018600 r5:00001000 r4:7f07b000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea68f000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857abf8c r4:848ac200
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:857abf8c r4:848ac200
[<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 r9:857b3000 r8:848ac22c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:848ac200
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848ac200 r8:80278fec r7:ea54de60 r6:848b1380 r5:857b3000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea4f9fb0 to 0xea4f9ff8)
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
 r4:848aa2c0
INFO: task kworker/0:92:4602 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:92    state:D stack:0     pid:4602  tgid:4602  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a641c8>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a63234>] (__schedule) from [<81a641c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea6add84 r9:00000002 r8:60000013 r7:829171a0 r6:ea6add8c r5:857cbc00
 r4:857cbc00
[<81a6419c>] (schedule) from [<81a645b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857cbc00 r4:8291719c
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a66e10>] (__mutex_lock.constprop.0) from [<81a67908>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6ade08
 r4:00000000
[<81a678f4>] (__mutex_lock_slowpath) from [<81a67948>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a6790c>] (mutex_lock) from [<804e9e3c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848a3740
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857cbc00 r7:00000000 r6:83018400 r5:00001000 r4:7f04f000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e41bd000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:855f178c r4:848b1980
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:855f178c r4:848b1980
[<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 r9:857cbc00 r8:848b19ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:848b1980
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848b1980 r8:80278fec r7:ea6bde60 r6:848ac800 r5:857cbc00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6adfb0 to 0xea6adff8)
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
 r4:848affc0
INFO: task kworker/0:92:4602 is blocked on a mutex likely owned by task kworker/1:122:4582.
task:kworker/1:122   state:R  running task     stack:0     pid:4582  tgid:4582  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a645fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:857b3000 r8:80200c04 r7:ea4f9d54 r6:ffffffff r5:857b3000
 r4:00000000
[<81a645bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea4f9d20 to 0xea4f9d68)
9d20: cd7eb000 ebd63000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0
9d40: 7f045000 ebd63000 8280c9b4 ea4f9d9c ea4f9da0 ea4f9d70 80230af0 80239c10
9d60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e9c00>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e997c>] (__purge_vmap_area_lazy) from [<804e9fb8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea4f9dc0 r5:ea4f9e08
 r4:ea4f9dc0
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848aab00
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857b3000 r7:00000000 r6:83018600 r5:00001000 r4:7f07b000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea68f000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857abf8c r4:848ac200
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:857abf8c r4:848ac200
[<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 r9:857b3000 r8:848ac22c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:848ac200
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848ac200 r8:80278fec r7:ea54de60 r6:848b1380 r5:857b3000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea4f9fb0 to 0xea4f9ff8)
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
 r4:848aa2c0
INFO: task kworker/0:93:4604 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:93    state:D stack:0     pid:4604  tgid:4604  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a641c8>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a63234>] (__schedule) from [<81a641c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea3f9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea3f9d8c r5:857cc800
 r4:857cc800
[<81a6419c>] (schedule) from [<81a645b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857cc800 r4:8291719c
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a66e10>] (__mutex_lock.constprop.0) from [<81a67908>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea3f9e08
 r4:00000000
[<81a678f4>] (__mutex_lock_slowpath) from [<81a67948>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a6790c>] (mutex_lock) from [<804e9e3c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848a3080
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857cc800 r7:00000000 r6:83018400 r5:00001000 r4:7f04d000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:e0089000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:855bd78c r4:848b1880
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:855bd78c r4:848b1880
[<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 r9:857cc800 r8:848b18ac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:848b1880
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848b1880 r8:80278fec r7:ea6ade60 r6:848ac880 r5:857cc800
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea3f9fb0 to 0xea3f9ff8)
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
 r4:848a3040
INFO: task kworker/0:93:4604 is blocked on a mutex likely owned by task kworker/1:122:4582.
task:kworker/1:122   state:R  running task     stack:0     pid:4582  tgid:4582  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a645fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:857b3000 r8:80200c04 r7:ea4f9d54 r6:ffffffff r5:857b3000
 r4:00000000
[<81a645bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea4f9d20 to 0xea4f9d68)
9d20: cd8e1000 ebd63000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0
9d40: 7f045000 ebd63000 8280c9b4 ea4f9d9c ea4f9da0 ea4f9d70 80230af0 80239c10
9d60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e9c00>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e997c>] (__purge_vmap_area_lazy) from [<804e9fb8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea4f9dc0 r5:ea4f9e08
 r4:ea4f9dc0
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848aab00
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857b3000 r7:00000000 r6:83018600 r5:00001000 r4:7f07b000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea68f000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857abf8c r4:848ac200
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:857abf8c r4:848ac200
[<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 r9:857b3000 r8:848ac22c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:848ac200
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848ac200 r8:80278fec r7:ea54de60 r6:848b1380 r5:857b3000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea4f9fb0 to 0xea4f9ff8)
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
 r4:848aa2c0
INFO: task kworker/0:94:4606 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:94    state:D stack:0     pid:4606  tgid:4606  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a641c8>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a63234>] (__schedule) from [<81a641c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea3fdd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea3fdd8c r5:857cd400
 r4:857cd400
[<81a6419c>] (schedule) from [<81a645b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857cd400 r4:8291719c
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a66e10>] (__mutex_lock.constprop.0) from [<81a67908>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea3fde08
 r4:00000000
[<81a678f4>] (__mutex_lock_slowpath) from [<81a67948>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a6790c>] (mutex_lock) from [<804e9e3c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848a3c80
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f051000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea299000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857f9b8c r4:848b1900
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:857f9b8c r4:848b1900
[<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 r9:857cd400 r8:848b192c r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:848b1900
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848b1900 r8:80278fec r7:ea6bde60 r6:848ac900 r5:857cd400
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea3fdfb0 to 0xea3fdff8)
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
 r4:848a36c0
INFO: task kworker/0:94:4606 is blocked on a mutex likely owned by task kworker/1:122:4582.
task:kworker/1:122   state:R  running task     stack:0     pid:4582  tgid:4582  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a645fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:857b3000 r8:80200c04 r7:ea4f9d54 r6:ffffffff r5:857b3000
 r4:00000000
[<81a645bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea4f9d20 to 0xea4f9d68)
9d20: cd8e1000 ebd63000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0
9d40: 7f045000 ebd63000 8280c9b4 ea4f9d9c ea4f9da0 ea4f9d70 80230af0 80239c10
9d60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e9c00>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e997c>] (__purge_vmap_area_lazy) from [<804e9fb8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea4f9dc0 r5:ea4f9e08
 r4:ea4f9dc0
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848aab00
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857b3000 r7:00000000 r6:83018600 r5:00001000 r4:7f07b000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea68f000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857abf8c r4:848ac200
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:857abf8c r4:848ac200
[<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 r9:857b3000 r8:848ac22c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:848ac200
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848ac200 r8:80278fec r7:ea54de60 r6:848b1380 r5:857b3000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea4f9fb0 to 0xea4f9ff8)
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
 r4:848aa2c0
INFO: task kworker/0:95:4608 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:95    state:D stack:0     pid:4608  tgid:4608  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a641c8>] (__schedule_loop kernel/sched/core.c:7011 [inline])
[<81a63234>] (__schedule) from [<81a641c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026)
 r10:ea401d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea401d8c r5:857ce000
 r4:857ce000
[<81a6419c>] (schedule) from [<81a645b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083)
 r5:857ce000 r4:8291719c
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a64598>] (schedule_preempt_disabled) from [<81a67160>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a66e10>] (__mutex_lock.constprop.0) from [<81a67908>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea401e08
 r4:00000000
[<81a678f4>] (__mutex_lock_slowpath) from [<81a67948>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a6790c>] (mutex_lock) from [<804e9e3c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918)
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848a3f00
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:857ce000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea3eb000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857f9f8c r4:848b1a80
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:dddcfd80 r6:83018400 r5:857f9f8c r4:848b1a80
[<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 r9:857ce000 r8:848b1aac r7:82804d40 r6:dddcfd80 r5:dddcfda0
 r4:848b1a80
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848b1a80 r8:80278fec r7:ea6bde60 r6:848aca00 r5:857ce000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea401fb0 to 0xea401ff8)
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
 r4:848a3c00
INFO: task kworker/0:95:4608 is blocked on a mutex likely owned by task kworker/1:122:4582.
task:kworker/1:122   state:R  running task     stack:0     pid:4582  tgid:4582  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a63234>] (__schedule) from [<81a645fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256)
 r10:8280c9b4 r9:857b3000 r8:80200c04 r7:ea4f9d54 r6:ffffffff r5:857b3000
 r4:00000000
[<81a645bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea4f9d20 to 0xea4f9d68)
9d20: cdb63000 ebd63000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0
9d40: 7f045000 ebd63000 8280c9b4 ea4f9d9c ea4f9da0 ea4f9d70 80230af0 80239c10
9d60: 80000013 ffffffff
 r5:80000013 r4:80239c10
[<80230a8c>] (flush_tlb_kernel_range) from [<804e9c00>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342)
 r4:82acb1e4
[<804e997c>] (__purge_vmap_area_lazy) from [<804e9fb8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea4f9dc0 r5:ea4f9e08
 r4:ea4f9dc0
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vm_reset_perms mm/vmalloc.c:3349 [inline])
[<804e9dd4>] (_vm_unmap_aliases) from [<804edc1c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848aab00
 r4:00000000
[<804edab0>] (vfree) from [<80558908>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:857b3000 r7:00000000 r6:83018600 r5:00001000 r4:7f07b000
[<805588d8>] (execmem_free) from [<803c5e38>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052)
 r5:00001000 r4:ea68f000
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline])
[<803c5e28>] (bpf_jit_free_exec) from [<803c6218>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221)
[<803c61b0>] (bpf_jit_free) from [<803c72c0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898)
 r5:857abf8c r4:848ac200
[<803c7180>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r7:ddde3d80 r6:83018600 r5:857abf8c r4:848ac200
[<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 r9:857b3000 r8:848ac22c r7:82804d40 r6:ddde3d80 r5:ddde3da0
 r4:848ac200
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:848ac200 r8:80278fec r7:ea54de60 r6:848b1380 r5:857b3000
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea4f9fb0 to 0xea4f9ff8)
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
 r4:848aa2c0
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 r6:00000013 r5:60000093 r4:82252488
[<80201b08>] (show_stack) from [<8021f93c>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b08>] (show_stack) from [<8021f93c>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120)
[<8021f8cc>] (dump_stack_lvl) from [<8021f960>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000001 r4:00000001
[<8021f948>] (dump_stack) from [<81a4ce4c>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<81a4ccec>] (nmi_cpu_backtrace) from [<81a4cf98>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000001 r6:8280c690 r5:8281ae34 r4:ffffffff
[<81a4ce68>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852)
 r9:8281ba28 r8:8280c810 r7:0002061d r6:00007c00 r5:82abf7d4 r4:85c7d10c
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037f9a8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037f9a8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline])
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037f9a8>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495)
[<8037f3d8>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:00000000 r8:8037f3d8 r7:8332a300 r6:8332a300 r5:8321e000
 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
 r4:832c0b00
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 2819 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 : [<81a6d09c>]    lr : [<80a8eea8>]    psr: 60000013
sp : eacf5eb0  ip : eacf5ec0  fp : eacf5ebc
r10: 82959554  r9 : 00000000  r8 : 00000000
r7 : 00000117  r6 : 829594b8  r5 : 00000000  r4 : 00000001
r3 : 000007ee  r2 : 00000000  r1 : 60000013  r0 : 84005440
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 8572fc40  DAC: fffffffd
Call trace: 
[<81a6d074>] (_raw_spin_unlock_irqrestore) from [<80a8eea8>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline])
[<81a6d074>] (_raw_spin_unlock_irqrestore) from [<80a8eea8>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline])
[<81a6d074>] (_raw_spin_unlock_irqrestore) from [<80a8eea8>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603)
[<80a8ee88>] (pl011_console_device_unlock) from [<802e3660>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142)
[<802e35d8>] (nbcon_emit_one) from [<802e3880>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229)
 r6:8280c690 r5:83aa6c00 r4:829594b8
[<802e36d8>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:829594b8 r8:802e36d8 r7:846ef980 r6:846ef980 r5:83aa6c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeacf5fb0 to 0xeacf5ff8)
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
 r4:8410f000